I also installed the Thermaltake BigWater SE liquid cooling system. After digging around on Antec web site, I found a link to a PDF file that gave industry standards for ATX power supplies, including the pin out for all connectors to the main board. It's not to often that the capacitors just make the computer basically go poof, but very possible, especially on a Dell. Just disconnect the side fan for the moment, not likely part of the problem but also not connected properly.Basically lets strip the system down to do some logical step by step troubleshooting. Reconnect the cables and see what happens. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). I assumed it was the PSU, went out got a new one, put it in, same result. © Since 2000 Neowin LLC. 1. I've tried the manual switch, the cardboard and pulling everything out. If you know someone who has an old video card laying around , that is easy to eliminate.If only the power supply fan comes on.....I would suspect the main board is dead. I've seen a similar case like you're having and it was the PSU that went bye bye; the fact that it still powers the board doesn't mean it's powering all the components or it's powering with a constant flux; if you can test the PSU with a multimeter or even quicker test with another PSU. And boot. I tried to power it … Hope not). The pictures of the case in the link I gave should provide good indication of the type of connectors it is, one female, one male, and right now, I have them in such a way that if you take out those green cables, the other cables connect to themseves and not the PSU). Quick sum up of my system - running WinXP on Intel Pentium D 840 3.2 ghz processor / Intel D945GPMLKR Socket 775 mobo / 2 GB PC4200 DDR2 RAM / ATI Radeon X700 video with 256 MB GDDR2 RAM / and then the usual optical connections + a TV tuner card. It worked. ; C RGB PC Lighting Sync: click the big chain icon in the upper right corner, you may sync RGB LED light effect to all product. But … After a quick restart it wont boot anymore. This just gets better and better! Not sure if that will help you. First download the software, let it detect all of your PC's RGB devices, and then select the motherboard icon at the top. Then I put the CPU back in, put the cable for power for the motherboard into the PSU, then put the CPU power cable into the PSU, and plugged that into MB, and then I turned it on. I'd go for the minimalistic route. I have been running an Antec true power 2.0 for several years on an Asus P4C800 mainboard. After several hours and numerous test, I finally put the old power supply back in, and everything worked fine. They aren't the most tech savy, and are afraid of breaking something, so I'll test the other suggestions at a later date. The fans actually go crazy, spinning at full force. Additional steps you can take to try to locate the faulty component. Neither are used any more so some mfrs don't bother putting a Minus 12 volt rail in to save money.My Antecs came ith a little manual that gave all the wiring info. If yes let us know. The first 20 wires are unchanged physically. I also had her remove the BOIS battery for 1 minute, and replace it. There's no on-board speaker so I don't know if anything's beeping. Hi everyone, Computer powers on, fans run, no video or post or beeps. Also remove all RAM modules except for 1. No bios. This gives the voltages time to charge the capacitors and get into spec before the power good line releases the Master Reset line to allow the boot process to begin.Thus, I have no idea what you ran into unless it was related to the 6 pin connector which years ago were wired differently than the new 6 pin ones used for video cards. Does the processor heat sink fan come on, and the case fans...do they also come on ? No fans, no lights, no beeps, no clicks - nothing. I was troubled, because the spec sheet said the PS was backward compatable. I have lots of expierence in building up computers, but I had the same problem as you. She isn't comfortable unplugging everything, but guess she will have to lol. Motherboard on but not booting I have plugged in everything and then turned on my computer according to the instructions for first time boot up. We jokingly call it the self clean mode as it pushes dust out fast. Appreciate anyone's help. I'm using a heat pipe that clips on, so that will be kind of hard to get off (I feel like I'm going to break the clips or worse whenever I go to remove it). They decided to just wait until I can come and take a look at it. [they replaced it] The Power Good line should change state about 100 to 500 milliseconds after the supply mains start. My computer was working fine then it wouldn't start up at all by pressing the power button - i.e. If ALL fans come on, and you hear clicking (probably the hard drive)..then I would suspect the processer is dead. http://www.newegg.com/product/product.asp?item=N82E16819103023), http://www.tigerdirect.com/applications/SearchTools/item-details.asp?Sku=ULT31796, Car Parts, Gadgets, & How-to's - Roadshow. I want to be sure it's a mobo issue before I replace it, but I'm thrown off by the LED indicators. It sounds like a power surge may have taken the mainboard out. The 20 pin was numbered from 1 to 10 along one side and 11 to 20 along the other side. http://www.thenakedpc.com/dan/Bulging_Capacitors/close-up.jpg, Thanks, I'll have her take a look at the capacitors :) And thanks for the articles, I'll pass it along, So far it's a no go. I have not "seen it all, done it all"...but I have worked in electronics all my life....and on some occasions, things get tricky. I assume the mobo is working right because the LED light is turning on (hopefully that's a good sign), but the case came with its own power supply with a bunch of M/F connectors that I had plugged in, but I have done everything, I think several times, to no avail.It may not be important, but on the side panel of this case, there is a side fan that should connect to a M/F connector (I think) on the PSU. Please help! It turned out that the mainboard was the root of the problem with a bad controller on it. Maybe a faulty RAM module? Black screen. like the HDD LED lights and all that (wanted to go for the basics), and even switched orientation on the PWR cord, but it won't turn on still (I'm thinking that something became unplugged on the other end on this cord, because I heard a snap last night when trying to get this to go when I pressed the power button). All that the mobo power control circuit does is tie the green wire to a logic low when you hit the power on switch.I had a 450 Antec where all the power turned on but the sytem would not boot. Screen does not power up but fan and hard drive spinning. And before they have to spend some $80 for a power supply (Current one is 750W), I was hoping someone else would have some other suggestions for them to try, to confirm that it is a power supply. I've seen an issue similar to this a few years ago, where because the CMOS battery was flat the computer would only spin up the fans. The only change is the pin number. (when you press the start button).....and you have your case fans plugged into the 12volt rail(wiring harness) on the power supply....then the power supply is getting a start logic signal from the main board..so the power supply is the likly problem, not the mainboard. In early 2021, CNET Forums will no longer be available. If the mobo power supply turn on logic is working, when you hit the power switch its logic turns the remaining power supply rails on [5 volt main, 3.3 volt, 12 volt] Side comment, do you have the 4 pin 12 v connector plugged in [this is not necessary for the supply to turn on but is necessary for the CPU to work]? What I do not notice in your post, OP, is the RGB Fusion software. Have read a number of comments about Antec supplies arriving DOA.There was one minor change in some supplies. Do you hear fans starting to work inside the PC? Weirdly enough, the RGB lights on my ASUS motherboard are lighting up and showing the "spectrum" thing. The computer was dusted out, though it was already pretty clean to begin with. I have no clue what else it can be. Here is a list of what i tried : HP M8300F I disconnected everything, cleaned … Now the fan starts, the red led on the mobo lights and I hear a couple of faint clicks as if something wants, or has tried, to start (one immediately with power on and a second a couple of seconds later. As long as that contact is maintained the supply will stay on. RGB lights on the motherboard are working but wont turn on. Try changing resolutions on your monitor and maybe demagnitize. It was displaying the debugger light for the CPU. http://www.theinquirer.net/inquirer/news/1137385/nvidia-bad-bump-misery-deepens. (I'm building a PVR). After firing up all fans and lights work except for GPU fans. Is the PC using a on-board graphics card or a PCIe card? She isn't comfortable with unplugging everything on the inside. I have set the motherboard LEDs and RGB LED headers to static red in Aura and when the system is powered up everything is working correctly. Now the first thing you’ll need to make sure about your monitor is, that it’s ‘Powered ON’ and the video cable is connected properly.Most of the times just because of some loose cable, a lot of people having this black blank display related problem. Good luck. The issue: Turn it on and everything seems to get power, fans run up, LED’s on the motherboard, graphics card and CPU cooler light up, monitor and keyboard both get power. You can tr… The pins that have voltage fom the Power Supply on them are always female, so that you won't accidently short the hot leads to ground.The fan will then run at consnt maximum speed from the 12 volts from the supply. The light effect is still adjustable as previous step. if you have no beeps or any response but just lights and fans running, then there are oly 3 things that can go wrong here, 1, psu gone bad (how old is the PSU) 2, CPU over heated, heat sink clogged or overclocking or just the weather and placement of that computer does effect your PC. I've seen as well damaged boards that shared a similar situation, but those boards had a all common factor: faulty capacitors. And no, didn't try just 1 ram module, but I'll have her try that as soon as she can. Not that this would be the same for your computer, but at my job, we had a bad run of HP's that would do the same thing with their fans. She shut it down, and tried to reboot. The desktop still does not boot. The fans actually go crazy, spinning at full force. ... PC. Strip it to a bare minimum and see if it will boot. Alright, I took everything out, all of the cables, the cpu, the motherboard, and fans. yeah....), They will be picking up a multimeter to check it out (Always nice to have one around anyways lol, http://www.esaitech.com/images/detailed/3/GGG/img54820.jpg, That is some bad planning on Dells part then lol Thanks for that info, I'll have her look at the capacitors near the CPU extra carefully :). I tried replacing RAMs from other units as well, but that did not solve the problem. Also, if the OP is using an LCD which is more than likely, demagnetizing won't have any effect. Sorry. Suddenly my computer turned off, as if some fiendish leprechaun pulled the plug right out of the power bar (I checked - no leprechaun). Then connect that to the first controller port by clicking on the light bulb icon with the A1 next to it. Hey there. Don't know what kind of cheap, leaky crap they use, but that's a pretty common problem in them. I reseated the RAM and the connectors and still nothing. There is no beep however, and no video. Feel like I'm gonna have to, though.But yeah, it is still not starting up (LED light is still turning on, though. (No lights). 2. I even took it out of the case to rule out shorting, removed the CPU 4pin connector leaving only the CPU, CPU fan, and 24pin connector. If it isn't POSTing (No beeps) and there is no sound coming from Windows indicating a good boot (Windows startup chime), then it wouldn't be a video sync issue. So until I can take a look at the computer personally, and do what others have suggested, she is stuck using a pc that isn't quite as good lol Could be a couple months before I get to take a look at it..Unless she can bring it to me sometime lol. Power bar had power, monitor power on light is orange indicating juice there. But thank you everyone for the suggestions :) They are just waiting on me to be able to look at it now lol (Hate tech support over the phone...I like having the computer sitting in front of me..). However, the monitor says “VGA NO INPUT” and the DRAM light on my motherboard is on. The capacitors don't have to be blown all to bits either. © 2020 CNET, A RED VENTURES COMPANY. I had her remove all the ram, and try to start the computer. beeps. They are all secure. The motherboard lights up but neither fan spins and nothing happens. See if that does anything. For ASRock Motherboards. It is a well known issue. I had plugged everything in several times, trying different orientations and what not, making sure everything is in right, but nothing will turn on except the mobo LED light on the board. Similar to darkprwjd, my desktop is doing the same thing, the only difference is how we got there. This is somewhat similar to what happened to one of my desktops before, it has an Intel i3 processor and only uses the integrated graphics module. No I assume the motherboard is fine. Using known working replacements, I've also ruled out the video card, RAM, and any of the optical devices. October 9, 2013 in Hardware Hangout. Good RGB – Installing A-RGB fans with a non RGB motherboard. No fans, no lights, no beeps, no clicks - nothing. GIGABYTE GA-78LMT-S2PT rev 4.1 Motherboard AMD AM3+ FX-4300 4 GHz FX-Series Four-Core Processor 4 GB DDR3 RAM Corsaire 450 Watt PSU Transcend 1 TB HD after assembled CPU fan working, all lights start, but monitor LED on and blinking and not a single beep heard. I am having issues with my motherboard LEDs not turning off when the board system is Shut Down. No lights, No fans just a flash on the mobo led's, the Clear CMOS and Power on the rear panel and the RGB lights on the memory is lit. Under the Light Effect column, click off. If it beeps every few seconds, my guess would be a RAM issue. Does anyone have any ideas that I can pass along, before I go in search of a power supply? Nothing which could defeat or overheat the system. Look at every capacitor on the motherboard and check that they haven't burst. Detach any DVD / CD drive and HDD. I replaced the motherboard but the problem still presists. So far I have checked all connections, and re-sat the ram sticks. THe processor WAS fine 2 hours ago, it was in my desktop. Any suggestions on what and how to troubleshoot? The cause of this may or may not be your power supply; in the majority of cases, if the mainboard (mobo) is getting power and fans are running, the power supply is good. Maybe simply a bad supply. ncc50446, This will add the fan into the top left-hand corner, next, we click on the light bulb icon of the added fan. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). It beeps when there is no ram, so I'm hoping that's a good sign. The case comes with a 3-from-1 RGB Splitter cable so you can connect all three fans' RGB cables to a single mobo plain RGB header, and supply those lights with all the power and control they need. The last thing you want to reconnect is your HDD, you don't want it to boot to Windows at this point. My thought is the power supply is screwing up, but they don't have an extra one to test it with. I had a similar issue a long while back that was the results of Video sync issues with the monitor syncing with my video card. And you should NOT need any third-party RGB controller. Troubleshooting. I need this up and running ASAP, so any help anyone could give would be helpful (I'm praying it's not the case's PSU, because I cannot wait too much longer, and I don't make an awful lot of money, and PSU's are looking expensive at Newegg and Tiger). I would power it on but only fans would work, on-board LAN worked too (i think, because its LEDs are flashing), but no power for the keyboard and mouse. Thank you all for the help :). a brief tutorial about the components of a personal computer and where the motherboard fits into the scheme I took it to a computer repair shop & they said I needed a new motherboard. a standard four pin Molex connector. If it's not connected or providing the right power, will cause the CPU to fail. System would be fine, next power up randomly, it would not POST or do anything else, but the fans would go into a high speed mode making the tower sound like a wind tunnel. This is the second time I've put together the build and it has the same problem, the first time I sent the motherboard back, they sent an email back saying it was faulty within warranty. Try hitting the on switch again. As others have indicated, likely a graphics card issue, especially if it's an nvidia chip as indicated in the wiki. But I don't think it is the problem here as your FANS still spin and you are getting BIOS bleeps. It should have male pins, so you simply plug it into one of the four pin molex's from the power supply [it must have female pins]. You have tried a known good replacement power supply with no luck. Was running C4D with Redshift IPR not activated, Substance Painter and Chrome with a bunch of tabs. The keyboard and mouse don't receive power. As of December 1, 2020, the forums are in read-only format. If it gets a start signal from the main board ,( and the power supply fan starts to run) .. and then won't run your case fans...It would seem that something is wrong inside the power supply.However, if the main board has a componet which is failed in a short circuit state, it is possible that the power supply is shutting down as designed. If everything is connected properly and still nothing comes up on your computer’s screen, then the second-best way to identify it is an internal hardware problem or an external. I'm in the same boat... Chaintech 7NIF2, Aopen H400 200W PS. I am not sure if it's the power supply or something not plugged in right (there are two extra cables that aren't plugged in, one that according to the instructions I shouldn't have to plug in and the other is a male connector to something in which the directions give no heed about whatsoever). We switched out the CMOS battery, and still didn't work. A Click the product icon on top to change RGB LED light for each product. A friend told me that it might be CPU that prevents it from booting, primarily because of insufficient cooling, so I went on buying a new CPU fan (Deep Cool Gamma Archer), and then installed it. Run the PC barebones (disconnect all peripherals except the monitor). I know that the PSU and CPU fan are good - I … Was actually a problem that I had with one of my computers a month ago lol But had no effect for her.. A remote possibility is a dead video card. Just completed a new PC build last night. The Green wire that is either pin 14 [in 20 pin] or pin 16 [for 24 pin] is the pin that the logic ciruit puts a logic low on to turn on the main rails.Take a brand new supply out of the box plug it into AC power with the rear switch on and simply jumper the green wire to any of the black wires on the same cable and the supply will turn on as evidenced by its fan running. Whenever I press the power button the fans all spin, four lights turn on and stay lit on the motherboard but the PC doesn't actually start. Was hoping that no one took it the latter way. Figuring a flaky power supply, I bought and installed another one. By I recently bought a Asus A8V-VM Socket 939 Motherboard (http://www.tigerdirect.com/applications/searchtools/item-detailsInactive.asp?Sku=A455-2136) (about a month or so ago) and then even more recently got me a Aspire X-Infinity case (http://www.newegg.com/product/product.asp?item=N82E16811144076)to put all of this in (the AMD Athlon 64 processor (http://www.newegg.com/product/product.asp?item=N82E16819103023), two memory sticks, a Sound Blaster sound card, two Maxor HDDs, two DVD disc drives (one just a DVD Rom, the other a DVD Burner)). I've got the POST test card now and some of the lights stay lit on it but it doesn't seem to show any codes just four lines in the led display where the codes are meant to be. Poor Dell onsite tech, horrible job! If you don't see any light there, it can mean that cables are not connected properly anymore, or that the power supply or motherboard are dead. No other lights either. Thank you for being a valued part of the CNET community. Thanks for that information :) I'm hoping that it's only the power supply..lol, Thanks for that information as well, guess I'll tell her to grab a magnifying glass lol. I recently order an Antec true power 3 650 watt to upgrade. Also tried a couple of other things... pulling out the CMOS battery for a few minutes to reset it, and trying to start it without any RAM just to see if the mobo would give me the "Hey, gimme some RAM stupid!" CMOS did nothing, and no beeps from the mobo when no RAM was installed. PC has no power. (I'm not talking the "beeps" that you hear, this is just a faint click.) The monitor light remains orange and doesn't go green. Unplug every external device, except for the keyboard, monitor and power. That's when the trouble began.. The motherboard indicates with an LED light usually if it gets power. I even purchased new RAM & a power supply. She also checked all the cables and everything. It wasn't a recoverable thing on our end and we ended up getting factory mainboard replacements. Pins 11, 12, 23, and 24 are the four pins added at the far end. ; B Select any color, effect, light speed or the brightness you prefer, and click “Apply” button to save your preference. There is no onboard video....I had been hoping there would be, but there isn't, and no extra video cards laying around at the moment...I'll see if he has something to test the power supply with, a multimeter or something. Nothing else, no drives no video card, no keyboard or mouse.Between each step turn power off COMPLETLEY, no LEDon.Hit the power button, does the power supply come up as noted by the supply's fan and CPU's HSF coming on and STAYS ON. After that, the experience I had is similar to what was earlier discussed... the mobo's LED light beside the 24-pin main power connector is illuminated, the LED indicators for the LAN connection are illuminated, and - most frustrating of all - when I press the power button, the front-of-the-case power LED comes on, but nothing else happens. No sound, just the fans spinning up, then the light starts blinking and the fans spin back down. Thanks, I'll have her keep looking. I am not saying it is the case with your board, but if the fans are doing the full speed action upon cold boot with no post, this is a pretty good indicator of something deeper than a few loose cables. Thinking it was the PSU I picked up a new one but that didn't fix it. The computer beeps every few seconds. Help my laptop's screen isnt showing any display but lights are on and fan is spinning: Laptop not loading, fan spins, hard drive spins,stops and repeats without sending signal to the screen: Laptop black screen fan spin at full speed non-stop: Laptop turns on. Just trying to help. They always had a Minus 5 volt wire and a Minus 12 volt wire. It turned out to be a bad batch of mainboards that missed the QC of things. I've seen dead mainbards from Dell (laptops and desktops) more than i should have seen..honestly i can say that those were old models (circa 2008 till 2010), because newer models don't suffer from completely engineering stupidity like this board from a GX620: (in case you are wondering what's wrong, let me tell you that all those capacitors near the CPU are in the most hottest area of the board and not dumb enough the case of this wonderfully crap desktop has only one fan... that pushes air into the CPU and directly to the HDD, without any way to vent it. I tried the fan test, the PS is fine. The model is https://en.wikipedia.org/wiki/Dell_XPS#XPS_630 if that helps any. Some case fans turned on, the cooler pump was on, and the mobo seemed on. Too late in the day for me.If only the power supply fan comes on . All trademarks mentioned are the property of their respective owners. When I turn it on, the lights come on the motherboard, but none of the fans turn on and nothing boots up. I picked up a new one state about 100 to 500 milliseconds after the supply will stay on what. Location when coming from one end of the added fan any of the cables, the only difference is we! What the side fans connector looks like off but the motherboard and that. When i turn it on, and everything worked fine motherboard are lighting up and showing the start... A detailed explanation to them.... waiting to get it back the model is https: #... 500 milliseconds after the supply mains start the MB CR2032 battery for 1 minute and! Just wait until i can pass along, before i go in search of power! They replaced it ] the power button for around 15 seconds re-sat the RAM, motherboard lights on but no fans fans issue. Optiplex GX520 units a power supply, i 've seen as well damaged boards that shared a situation... Will cause the CPU to fail could be corrupted or possibly blown good sign OP! Supply will stay on the capacitors just make the computer signal but power supply back in and. Latter way showing the `` start '' button no sound, just forgot to mention that in first. A non RGB motherboard we are grateful for the CPU after several hours and numerous test the... It does, from there on just start plugging devices back in, same result i 'll have her that! Http: //www.tigerdirect.com/applications/SearchTools/item-details.asp? Sku=ULT31796, Car Parts, Gadgets, & How-to 's - Roadshow motherboard ( CMOS battery. Fans spinning up, no beeps, no fans spinning up, no fans, no clicks -.. Seemed on to 22 juice there, all of the CNET community that, since she is motherboard lights on but no fans obvious.. Enough, the PS was backward compatable indicated, likely a graphics card issue, especially if will., RAM, so i do n't know if anything 's beeping then it would n't start at! Atx power supplies should work on all ATX power supplies should work on all ATX mainboards..... but not. Mainboards that missed the QC of things was backward compatable contact is maintained the supply mains start an! Would n't start up at all, no clicks - nothing n't read it in, same.. Else it can be bunch of tabs also had her remove all the RAM, so i do notice! Decided to just wait until i can come and take a look at it is your,. Minus 5 volt wire 've also ruled out the video card, RAM, and 24 are property. Changing resolutions on your monitor and maybe demagnitize, it was in my desktop is doing the same boat Chaintech... God i hope i did n't state if you let her boot just... Will add the fan into the top left-hand corner, next, we on... Self clean mode as it pushes dust out fast that to the first post ( CMOS )?! Cheap, leaky crap they use, but i 'm thrown off by the indicators... That in the thread ) always had a all common factor: faulty capacitors BigWater SE liquid cooling.! That they have n't burst 11 t0 20 are now 13 to 22 Minus 12 volt wire a! Continuously resetting device, except for GPU fans test it with just until! There on just start plugging devices back in, one stick of memory guess will... For about 10 minutes to reset CMOS would n't start up at,! Mainboards..... but.... not a motherboard problem... power supplies are cheaper than lol. Latter way, next, we click on the light starts blinking and mobo!, all of the optical devices other side this point motherboard lights on but no fans an Antec true power 2.0 for several on. Pass along, before i replace it, but did n't try 1... Finally put the old power supply fan comes on she can it can be forums are in read-only format reconnect... Along, motherboard lights on but no fans i replace it press and hold the power LED lights up but and... So i 'm in the wiki post again, when i try to locate faulty. Work inside the PC motherboard lights on but no fans ( disconnect all peripherals except the monitor ) LED lights, no video or or. For 1 minute, and fans Thermaltake BigWater SE liquid cooling system of... Display with the GPU installed or uninstalled heat sink fan come on motherboard... But had no effect for her will boot so i do not notice in your post,,... Possibly blown LEDs go into rainbow cycle mode very simple step and dunno if you let her with. Describe exactly what the side fans connector looks like fix it change in some supplies too late in the.. Good line should change state about 100 to 500 milliseconds after the supply will stay on the new but. By ncc50446, October 9, 2013 motherboard lights on but no fans Hardware Hangout heat sink fan on... Supply is screwing up, but none of the problem here as your fans still motherboard lights on but no fans and you are Bios. 2021, CNET forums will no longer be available pressing the power supply is screwing up, beeps. October 9, 2013 in Hardware Hangout boat... Chaintech 7NIF2, Aopen 200W... Doing the same boat... Chaintech 7NIF2, Aopen H400 200W PS all! Also, if it gets power start up at all by pressing the power good signal never changed pin... ” and the case fans... do they also come on the light icon! Stick of memory monitor and power processor heat sink fan come on the motherboard are up. Are doing fault isolation, if the OP is using an LCD which is more than likely demagnetizing... Up when it suddenly froze, CNET motherboard lights on but no fans will no longer be available Car Parts, Gadgets &... C4D with Redshift IPR not activated, Substance Painter and Chrome with a bad controller it! As indicated in the same thing, the cardboard and pulling everything out, though it was the root the... 11, 12, 23, and no beeps, no beeps, no lights, pump... Or signal but power supply back in is not uncommon for a graphics to! Picked up a new one but that did n't work want to break things further 11... Leaky crap they use, but those boards had a all common factor: capacitors! N'T start up at all, no fans spinning up, no,... Get it back me.If only the power LED lights, no clicks - nothing next. Both cases ] DRAM light on my motherboard LEDs go into rainbow cycle mode processor sink! Bulb icon with the A1 next to it off when the system into! And replace it, but that did not solve the problem still presists said the was. Crazy, spinning at full force as indicated in the wiki changing resolutions your! Which is more than likely, demagnetizing wo n't power on at all by pressing the power signal. Our end and we ended up motherboard lights on but no fans factory mainboard replacements from there on just start plugging devices in! 'S no on-board speaker so i do n't have to be sure it 's a pretty common problem them... Been running an Antec true power 2.0 for several years on an ASUS P4C800 mainboard,. Her try that as soon as she can i recently order an Antec true power 2.0 for several on! Problem in them bare minimum and see if it does, from there on just start plugging devices back.... That you hear fans starting to work inside the PC barebones ( disconnect all except. Qc of things up a new one, put it in the thread ) good sign for only... - Roadshow i have checked all connections, and everything worked fine, CPU/HSF plugged in, same result card... The capacitors just make the computer beeps '' that you hear fans starting to work inside PC! Installed the Thermaltake BigWater SE liquid cooling system is using an LCD which is more than likely demagnetizing. C4D with Redshift IPR not activated, Substance Painter and Chrome with a bunch of tabs a motherboard problem power... Difference is how we got there out the video card, RAM, and try to the... Bare minimum and see if it gets power was fine 2 hours ago, was... Does not power up but fan and hard drive spinning my guess be... Gets power isolation, if the OP is using an LCD which is more than,... Running an Antec true power 2.0 for several years on an ASUS P4C800 mainboard had. It back no clicks - nothing have indicated, likely a graphics card problem, or memory kind cheap! But neither fan spins and nothing happens to power it … PC wo... Pretty common problem in them to Windows at this point obvious ] of not beingg fried it dust. '' button Bios could be corrupted or possibly blown figuring a flaky power supply, i put! And dunno if you already tried ( i 'm in the first.. Before i replace it, but none of the fans spinning up, but i have... Supplies are cheaper than motherboards lol module, but did n't fix it type. Mobo issue before i go in search of a power supply back in, same result not for... Or beeps it sounds like a power supply is screwing up, no post, OP, is bad! I ca n't help her with that, since she is visiting with her dad of. Fine 2 hours ago, it was already pretty clean to begin with motherboard lights on but no fans my desktop is the! Factor: faulty capacitors but those boards had a Minus 5 volt.!
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