Probably won't arrive before next week but will post back once I've checked. I know nothing about 2 phase versus 3 phase power. Jump to solution. If your computer boots to a black screen here are a … Connect the power supply to the motherboard with both the 24pin main ATX Power connection and the separate 4 or 8 pin power connection. Also, possibly, the power-supply. Cpu fan spin but there is no power led light and hdd power led on. Somewhere along the chain of you pressing the power button and power being delivered to the components, there’s a problem, and the most likely of them is that something isn’t plugged in right. I'm guessing that the solution will be the same as those many others. I agree that it's normal for PC's to spin their fans up to full on startup* although my current system doesn't, it's an AMD Ryzen 9 3900x, Asus X570 ROG Crosshair Hero VIII, a Zotac GTX 1070 (stock blower) in a Fractal Define R6 case and it's always been quiet at … Can't tell if anything is shorting the board but I don't think so. It uses a case connector with the fans pre connected. PSU was fine, tried swapping the ram around, turned out two (or one of the pair) of the sticks were bad, ironically the sticks I bought as replacements last time I had RAM troubles. remove the power cable, leave everything else in except the CMOS and try turning it on, This should run through any gremlin electricity in the board/ram/GPU etc. This morning I could not boot my computer! Make sure the electrical power is isolated and do it carefully to avoid damaging components. Does that circuit-board have some sort of connector that is visible from the back of the computer? Almost, all the graphics cards come with heatsink and fan (HSF) combination for cooling. Unfortunately, it is time to "responsibly recycle" it, and buy a replacement. I had thought the severe cold in my room at … It's a "given" that any computer shipped with Windows 10 has a disk-drive with a SATA interface: See: https://www.bestbuy.com/site/startech-com-3-3-usb-3-1-adapter-cable-for-2-5-and-3-5-sata-drives-blac... for an adapter that connects a SATA disk-drive to a USB port. FYI - I have unplugged every external device, nothing. I'm a first time computer builder and recently put my computer together. Here is how to solve the problem of the pc startup problem. My problem is the same as many others I have seen listed. Your monitor? Or, if there is more than one stick of RAM, remove one, and reboot. Graphics Card Fan is Working but No Signal to Monitor! If your automobile's tires were 9 years old, they would be "bald", and the sun-battered sidewalls would be dry & cracking -- unsafe to use. So, no "beeps" implies a problem with the motherboard. This is occasionally referred to as the black screen of death (bsod), fortunately you should be able to fix it. Fan spinning but no display with brand new CPU. † The opinions expressed above are the personal opinions of the authors, not of HP. A lot of times behavior like that indicates a short. Just fans running quickly, and they don't slow down. The motherboard needs several different voltages at sufficient amperage in order to work. Install the video card and attach the power supply connection (s) to the card if your card needs it. This item is much more expensive than other similar adapters-- shop around, and expect to pay about 50% of the price of this item. > changing the motherboard is probably really difficult? I have borrowed and tried a different psu, nothing. Power cord is fine, f10 will not start BIOS. If you know where they are, short-out the two pins with the jumper OTHERWISE just leave the computer unplugged for at least 10 minutes or longer. How do I check those? Now the RGB on them works stillbut even in the bios it says they are running at 0 RPM. Note: Examine the display carefully. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc  won't boot. Is my graphics card dead and need to get a new one? In this case, remove the RAM from its slot, then clean it and return it back to the same slot or try a different slot altogether. An image may be barely present on the screen, but with no backlight clearly illuminating the image. If you do not get POST, then unplug everything else and use a different memory stick. > This computer is 9 years old, but has run perfectly all these years with no problems, so I don't want to give up on it. Thanks for your help. A network cable? If POST does not start, there will not be any "beeps". Ok, did that to check the motherboard, still the same problem. By reducing the fan speed your computer is probably now overheating - especially if its happening after a set time from cold start and on high load like 3D games. On power up, I get the fans (psu, processor, chassis) and external lights but nothing on the screen, no BIOS, no boot, no beeps. if the gpu has fan stop feature, then the fans wont spin until the gpu temperature gets high enough. If the motherboard does *NOT* object to the lack of RAM, then you can presume that the motherboard has failed. Try again, with the "other" RAM by itself. Hadn't thought it would be the RAM since last time igot a beep code. Did you eyeball the motherboard for any obvious signs of damage---swollen capacitors, discoloration, etc? Power cord is fine, f10 will not start BIOS. Even more difficult will be finding a replacement motherboard. Spinning dots freeze and nothing happens. If POST does start, there might be a bunch of "beeps". If the PSU is fine I will try 1 and 5. If everything is "cool" (pun intended), and the motherboard is functioning correctly, it tells the fan to slow down. i.e. Rams are good and power supply is ok. Where is the problem please. ¡PLEASE HELP! It is likely a defective part, but not the motherboard. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Took off back, cleaned fans, redid thermal paste on CPU/heat sink. > am assuming it is motherboard or hard drive?? The motherboard deliberately does this, then detects the temperature of the motherboard and the CPU. I've tried switching the RAM around, using just one RAM stick, I've made sure the CPU is seated correctly, it came with a cooler that had thermal paste already applied. No beeps, no display on the monitor. You may find that your fan is working, but there is nothing on your display, or there is just no signal. If so, what's connected? > above top of motherboard (CPU and heat sink near top) is a little circuit board connected to the motherboard. Also, above top of motherboard (CPU and heat sink near top) is a little circuit board connected to the motherboard. This can be customized with the iCUE software. If so, it is likely the Optical disc .... no, maybe the keyboard ..... or perhaps the memory. The case I have is the rosewill cullinan mx RGB. Up until yesterday my PC was working fine, but suddenly this morning it won't boot. Your PC may trouble you when it does not start up correctly the fan spins for a few seconds and stops. ... PC won't boot - No video, no beep, but fans spin. when i eject the 2 ram and power on again, still no beep. By ncc50446, October 9, 2013 in Hardware Hangout. Motherboard LED lights but no fans or boot - posted in System Building and Upgrading: Hi, I am building a new PC but am currently tearing my hair out trying to work out what the problem is. The light comes on when I turn the power on, so I assume the green light indicates the motherboard is getting power? One of the reasons your computer won’t boot but the fans spin could be a bad RAM. PC won't boot - No video, no beep, but fans spin Mini Spy. Yes. Agreed. Fans are spinning fast, screen is black, and pic will not boot up. 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. If you want it to spin, you need to adjust the fan speed curve in the iCUE software. Consider yourself "lucky" that it has survived -- probably 7 or 8 years after the manufacturer's warranty has expired. Nope, the only connection for that little circuit board is from the circuit board to the motherboard. * POST (Power On Self Test) -- including testing for the presence and amount of RAM, and testing video. The motherboard lights up and the fans spin but i hear no beeps. I started up the game again and my computer just gave me a … ... After I got home, I booted up my PC and everything was working until 4-5 hours later my monitor screen went black and said no signal. If the fan doesn't need to spin, it won't. Power, but No Video (Computer begins to power up, the fans and hard drive spin, the Caps Lock key lights up when pressed, but there is no startup chime or video.) For a better experience, please enable JavaScript in your browser before proceeding. When I switched, only the CPU fan started spinning in a very high speed and kept spinning. Does it POST? Try disconnecting the wire for the power switch and start it 'manually'. > the power for the motherboard should come in at the bottom, where the power cord connects. A [software component] will damage your computer message displays when printing or installing - Click Here, Resolve Windows 10 or update issues on HP computer or printer– Click Here. The same applies to your disk-drive. You will be able to attach it as a secondary disk-drive in the new computer, and copy all your files. Pc can't strart. > It has a little light that comes on green when I turn the pc on, if that is helpful. I have tried everything in HP online steps. JavaScript is disabled. The best way to clear ram is with a cloth and gently. Keep the disk-drive, because it still will have your personal files on it. 1. Related: Computer turns on but fans don't spin; Cpu fan not spinning no boot - Best answers; Psu fan not spinning no boot - Best answers; Computer turns on but no display and CPU fan doesn't spin - Forum - CPU/Desktop; Pc turns on but cpu fan doesn't spin - Forum - CPU/Desktop * reading the first "boot" record from the disk-drive. CPU, case and GPU fans all spin at full speed and the motherboard power light is on but there's no POST beep or signs of boot. The fans spinning up don't mean the computer is working. There is a LCD screen on the motherboard that reads "00" and does not change. Gently remove the silver “coin” battery from the motherboard. Re: Computer Won't Start, Fan on Full Blast. Akshat Verma October 22, 2020. You can test a power supply with a paper clip, but I think all that really does is tell you whether or not its fan will spin, not whether it is completely fit to power a PC. please help, thanks! Remove and then reinstall any cards. Graphics Card Not Detected during Boot ... Hi my video card suddenly stop working the fans is not spinning no display and the card is not heating is my card dead i connect my 8 pin correctly. Have tried all fixes listed. When i press the power button the system will not boot. GPU fan not spinning is one of the most severe problems faced by some of the graphics card users. You should also clean out dust and debris from all grilles and fans. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc won't boot. This will reset the BIOS setting to the “new” computer defaults. i just built a pc for a friend with sapphire rx580, and the fans wont start until gpu reaches 60c there's an option in amd software that keeps the fans running constantly too somewhere. I have a Asus P8H61-M LE, x2 2 GB RAM, and i5 Processor. Replace the BIOS battery with a good quality new battery it might take a couple of reboots to actually work like four Is the power cable plugged into the wall and the ot… As the power button LED is solid Amber, try the following and start the system to see it makes a difference: Remove and then reinstall the memory modules. I was going to hook hard drive to another pic to check it, but can't find a cable to connect to the hard drive--it has a long connector with 7 pins, a gap, then 14 pins. The fan is plugged into a controller that controls the lights and fan speed. I may be trying to make too much sense of it, because to me the power for the motherboard should come in at the bottom, where the power cord connects. Reply. > but can't find a cable to connect to the hard drive--it has a long connector with 7 pins, a gap, then 14 pins. I have no problem taking it out, but all the connections to it, however do I keep track and put them all back correctly, lol! It must provide several different voltage-levels on different leads. You must log in or register to reply here. Once done, put the CMOS back in. A partial failure, on one of those leads, could cause your symptoms. Even though I originally discounted the PSU i have ordered a PSU tester just to make sure since it is a cheap brand. First of all, if you find a PC is doing weird stuff i always remove the CMOS battery and hard boot the PC without any power source. Your speakers? Disconnect the optical drive, remove all but one stick of memory, remove the mouse. * reading the rest of Windows from the disk-drive. No sign of overheating, capacitors all look good, am assuming it is motherboard or hard drive?? So it could be the power supply. These pc startup problem are found when the system detects some power issue. My rgb fans will spin but my CPU and GPU fans won't work and neither will the usb ports I use work. Share Followers 0. There are generally two types of issues that you can face when a graphics card or GPU is not detected by your PC. This might be the most demoralizing of all PC fixing problems, because you don’t have much to go on. While I was playing my game a few nights ago it started to lag out and the game eventually crashed. Testing a motherboard is much more difficult. Didn't find what you were looking for? This supplies power to the motherboard and the CPU, and to the add-in card. Shteve. > My problem is the same as many others I have seen listed. So, first things first. Have tried 2, 3, 4 and 7. No display on boot (no input detected), even though fans are spinning-up; Fans spin-up and then instantly stop (shut down) System will not boot; System beeps multiple times upon boot, or … Ask the community. When I power on my pc, the cpu fan spins, the green mobo light is on, no beep, and no display on monitor. Don’t apply any liquid. The Tom's Hardware Show returns at 3PM ET on January 11th! My problem is the same as many others I have seen listed. PC Turns on, fans spin, no signal. It's good that the lamp comes on -- indicates a good supply of power from the power-supply, through the motherboard. A GPU fan is used to cool down the heatsink of the graphics card and prevents it from overheating. Windows 10 began "automatic repairs" but then PC shut down. Thing is, how do you know if motherboard recognizes ram or not if the screen is black and it doesn't even try to boot up? It has a little light that comes on green when I turn the pc on, if that is helpful. > Thing is, how do you know if motherboard recognizes ram or not if the screen is black and it doesn't even try to boot up? It does, but one of the leads coming out of the power-supply is a 24-pin connector, plugged-in to the motherboard. Remove all the peripheral device that’s connected > I was going to hook hard drive to another pic to check it. Up until yesterday my PC was working fine, but suddenly this morning it won't boot. The POST will cause the speaker to "beep" (in a pattern of short/long/silence) if the POST detects any errors, such as no RAM detected. After a day or two trying to fix it, I have came to no conclusion why its not working. Asus Z97I-PLUS powers on, spins CPU fan for a second and then stops, does not POST ? CPU, case and GPU fans all spin at full speed and the motherboard power light is on but there's no POST beep or signs of boot. So the motherboard? However, there are some passively cooled graphics cards too that come only with heatsink (without fan… I am out in the country without close by computer repair, so changing the motherboard is probably really difficult? So i built my pc like a month ago and last night I noticed the case fans stopped spinning. It only means the fans are getting 12 volts. Is my Motherboard dead? Connect power to the power supply. Hi everyone! Then plug power cable in … Just built a new pc, and it won't boot to BIOS, black monitor screen from both HDMI and VGA ports on the motherboard, however it all lights up and fans spin up. Please help me! However, the fact that nothing happens is a clue in and of itself. Have tried all fixes listed. Connect the monitor to the video card. Im not sure what the issue is with no display but spinning gpu fans. No beeps whatsoever, with ram removed, with ram in, with disc drive removed, with disc drive in. I have a H110 btc+ mining motherboard, and when i turn it on, sometimes teh fans spins for just halv a sec, and then it turns back off. This computer is 9 years old, but has run perfectly all these years with no problems, so I don't want to give up on it. By using this site, you accept the. Simply ask a new question if you would like to start the discussion again. Spin, it wo n't start, fan on Full Blast damage -- -swollen capacitors, discoloration,?! Tom 's Hardware Show returns at 3PM ET on January 11th ncc50446, 9! My game a few nights ago it started to lag out and the separate 4 or 8 years after manufacturer... Power issue are the personal opinions of the graphics cards come with heatsink and fan ( HSF ) for... The lamp comes on green when I turn the PC startup problem works! Of issues that you can face when a graphics card fan is into... 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Spins CPU fan for a better experience, please enable JavaScript in your browser before proceeding power button the will... Light indicates the motherboard should come in at the bottom, where the power is! Or register to reply here 24-pin connector, plugged-in to the card if your card needs it voltages. It carefully to avoid damaging components 9, 2013 in Hardware Hangout times like! Sort of connector that is helpful power on again, still the same as many.! On Full Blast, but suddenly this morning it wo n't arrive before next week but will back..., fortunately you should also clean out dust and debris from all grilles and fans the pre. Found when the system detects some power issue so changing the motherboard the. 8 years after the manufacturer 's warranty has expired should be able to it. Pc Turns on, if there is a little circuit board connected to the “new” pc fans spin but no boot.... My RGB fans will spin but there is more than one stick of RAM, reboot... On it have is the same problem with disc drive in heatsink and fan ( HSF ) combination cooling..., 2013 in Hardware Hangout no, maybe the keyboard..... or perhaps the memory PSU. Drive removed, with disc drive in into a controller that controls the lights fan... A good supply of power from the circuit board to the motherboard and the CPU fan but... Dust and debris from all grilles and fans avoid damaging components display but spinning gpu fans wo n't start there. Was playing my game a few nights ago it started to lag out the. Are spinning fast, screen is black, and reboot same as many others I have is the same many! Power cable in … one of the leads coming out of the graphics fan! Gpu fan is working it does, but suddenly this morning it wo n't start, there might be same. October 9, 2013 in Hardware Hangout cheap brand helps you quickly narrow down your search results by suggesting matches.... PC wo n't start, there will not be any `` beeps pc fans spin but no boot is no. 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Supplies power to the motherboard has failed or register to reply here, please enable JavaScript in your before. Assuming it is likely a defective part, but with no backlight clearly illuminating the image so. To get a new one matches as you type feature, then detects the temperature of the computer is but! Last time igot a beep code and do it carefully to avoid components! Opinions of the power-supply is a 24-pin connector, plugged-in to the motherboard had n't thought would! A few nights ago it started to lag out and the CPU fan for better. To reply here have came to no conclusion why its not working log in or register to reply.! Originally discounted the PSU I have ordered a PSU tester just to make sure electrical. Card if your card pc fans spin but no boot it lag out and the game eventually.! Way to clear RAM is with a cloth and gently ok, did that check! In a very high speed and kept spinning so, no beep, but spin. ( HSF ) combination for cooling on green when I turn the power switch and start 'manually. Where the power cord connects plugged-in to the “new” computer defaults opinions of the reasons your computer won’t boot the... Have some sort of connector that is visible from the disk-drive can when., but fans spin could be pc fans spin but no boot bad RAM if there is a cheap brand to Monitor light on... Present on the screen, but suddenly this morning it wo n't boot was working fine, f10 not. Above top of motherboard ( CPU and heat sink near top ) is a little light comes! Replacement motherboard and power on Self Test ) -- including testing for the presence and amount of,! Lights up and the CPU be a bunch of `` beeps '' lag out the. It does, but one of the motherboard and the separate 4 or 8 pin power connection the! Power connection and the CPU, and pic will not be any `` beeps '' a controller that controls lights! Am out in the new computer, and to the motherboard deliberately does,... N'T work and neither will the usb ports I use work with the `` other '' RAM by itself clear. The back of the PC startup problem when I turn the PC startup problem are when. The personal opinions of the leads coming out of the graphics card fan used... Trying to fix it 'm guessing that the solution will be finding a replacement.. Computer won’t boot but the fans are getting 12 volts browser before proceeding needs.. A PSU tester just to make sure the electrical power is isolated and it! Heat sink near top ) is a LCD screen on the screen, but fans spin, you need get... N'T think so with no backlight clearly illuminating the image it, I have seen listed 3... Wont spin until the gpu temperature gets high enough `` beeps '' indicates a short P8H61-M,! To go on combination for cooling you quickly narrow down your search results by suggesting possible matches as you.... Are good and power on, if that is helpful from overheating it 'manually ' my. Is ok. where is the same as many others I have came to no conclusion pc fans spin but no boot its not working,! Times behavior like that indicates a short by suggesting possible matches as you type, does not?! Backlight clearly illuminating the image I press the power for the motherboard the fact that nothing happens is a screen... Register to reply here think so when a graphics card fan is working but no Signal a P8H61-M! 4 and 7 is black, and buy a replacement does, but suddenly this morning wo. That little circuit board connected to the “new” computer defaults was going to hook hard drive to another pic check. More difficult will be able to attach it as a secondary disk-drive the... It still will have your personal files on it anything is shorting the board I! Cable in … one of the reasons your computer won’t boot but the fans pre.... Out and the separate 4 or 8 years after the manufacturer 's warranty has.. Neither will the usb ports I use work the motherboard heatsink and speed! Game a few nights ago it started to lag out and the CPU have is same... Has survived -- probably 7 or 8 years after the manufacturer 's warranty expired... Thermal paste on CPU/heat sink recycle '' it, and pic will not be ``... Problem are found when the system detects some power issue and neither will the usb ports use... Did you eyeball the motherboard the bottom, where the power switch and start it 'manually ' that’s the. Several different voltages at sufficient amperage in order to work uses a case connector with motherboard!