computer won't start up fans running

Most newer motherboards will have LED indicators and if they … Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. © 2021 ZDNET, A RED VENTURES COMPANY. Just like … Your Files are Probably OK. Somehow the temperature sensing must be in fan air and it senses high temp and shuts down computer with fans on high. * POST (Power On Self Test) -- including testing for the presence and amount of RAM, and testing video. Also, please post the make/model of the computer. If you hear the fans in your Mac Pro running at full speed and you aren't performing any intensive tasks, check the enclosure. A partial failure, on one of those leads, could cause your symptoms. The fans actually go crazy, spinning at full force. Once again, thanks to all who've commented How can I fix this? If everything is "cool" (pun intended), and the motherboard is functioning correctly, it tells the fan to slow down. If POST does not start, there will not be any "beeps". While caps are cheap, and not difficult to replace, finding the one or several bad ones is very time consuming, so much so, that unless you have the ability and free time, its usually cheaper to just go out and get a replacment board. Jump to solution. Related: Computer wont turn on fan runs loud; Computer fan loud no display - Best answers; Computer fan loud and won't turn on - Best answers; Computer won't turn on fan runs loud - Forum - Hardware; PC unable to boot,but fan is running - Forum - CPU/Desktop There is … Simply ask a new question if you would like to start the discussion again. Plug the power cord back in, making sure the power button is not being pressed at the same time. Make sure your PC is not just really slow. 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. Took off back, cleaned fans, redid thermal paste on CPU/heat sink. Solution 2: Reset RAM chips. Do you think it is power supply? Unplug all cables to Hard drives, floppy, drives and CD/DVD Roms drives.3. Your PC won’t start, yet fans spin? "I took out the cmos battery for about 30 minutes and put it back but it did the same thing" I don't … If so, what's connected? Suddenly, on attempted startup, only fan runs...no boot up takes place. I'm guessing that the solution will be the same as those many others. This might be the most demoralizing of all PC fixing problems, because you don’t have much to go on. Just fixed MacBook Pro stuck in Sleep and Fans running high. It's good that the lamp comes on -- indicates a good supply of power from the power-supply, through the motherboard. Depending on the age and conditions and quality of parts.. you could have electrolitic caps (capacitors) that have leaked, or dried, and thus their function is no more. > the power for the motherboard should come in at the bottom, where the power cord connects. And re the fans, you were all correct, they didn't start running for ten minutes, and even then, they're cutting out again after a few seconds. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). So the motherboard? No sign of overheating, capacitors all look good, am assuming it is motherboard or hard drive?? Connected it and voyler, it works. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then … Unfortunately, it is time to "responsibly recycle" it, and buy a replacement. The power light won't come on, but the fan runs, have to keep turning off and on, and have done so up to 45 min to be able for power button to turn on and fan to run, desktop pc. When faced with a computer that won’t start most people … Monitor is blank; blinking lights on PC...nothing else. Clean Out the Dust. * reading the first "boot" record from the disk-drive. Some how restarting computer doesn't reset things (design fault or firmware bug). I am out in the country without close by computer repair, so changing the motherboard is probably really difficult? All submitted content is subject to our Terms Of Use. If you're asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. Fans are spinning fast, screen is black, and pic will not boot up. Run the Task Manager and see if that's the case on your systems. The motherboard deliberately does this, then detects the temperature of the motherboard and the CPU. 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. Agreed. My problem is the same as many others I have seen listed. Really, don't pick up your PC and shake it..Then it falls on your head cracks open your skull and we'll feel bad and what not.. Best bet is to...1. but fan is on,lights are blinking of the cpu , just the screen is blank. Didn't find what you were looking for? The problem however, is that as our systems age, the compatibility becomes much greater for what we have in them.you can get a cheap PC board in the 50 dollar range .. but it uses newer intel or amd cpu's, the ram may not be compatible, etc.. good luck !! Or, if there is more than one stick of RAM, remove one, and reboot. Check Your Monitor. Is there anyway to fix this? 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. It has a little light that comes on green when I turn the pc on, if that is helpful. This item is much more expensive than other similar adapters-- shop around, and expect to pay about 50% of the price of this item. (Note: It's a computer, not a laptop.) The motherboard deliberately does this, then detects the temperature of the motherboard and the CPU. All you need to do is open up case and unplug the fans from motherboard! Nope, the only connection for that little circuit board is from the circuit board to the motherboard. Generally, you're looking to dislodge anything that may be loose or have fallen into place if it were loose before.Also you want to do a good visual inspection of everything, the connectors are pushed firmly in, nothing loose, reseat the memory and video and other interface cards (probably have a modem, sound, or network card in addition to video), even so far as to re-seat the CPU.Then try powering up... and then forcing beep codes as suggested below...To try to force the pc to give you beep codes, assuming the pc still has a working speaker.With the power disconnected, remove the ram. Please let us know which OS you're running. A network cable? > I was going to hook hard drive to another pic to check it. If you still have the same issue where just the fan spins and no beep then start looking at power supply. > above top of motherboard (CPU and heat sink near top) is a little circuit board connected to the motherboard. Thank you very much. Yes. It may sound ridiculous, … Ask the community. Also ensure that you are using the right … stagerita 0 ... the computer did not respond so i rebooted and it coud not start up anymore. 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. For a Mac that Doesn’t Start Up: Check the power supply. Hold the bus! 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. I've seen this happen before a couple times where a power spike or something will damage the motherboard to the point to where it won't boot up, but all the fans will still spin up. 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? Unplug all cables from the computer, including the power cord and any display cables. You will be able to attach it as a secondary disk-drive in the new computer, and copy all your files. Remove and then reinstall any cards. Please remember to be considerate of other members. If you hear a beep and it sounds like its booting, it one of your peripherals. Microsoft Windows Forum . Just found a DVI-D cable. Home. The recall ended … If the computer sounds like it's turning on but you don't see anything … Wait at least 15 seconds. 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. Solution 1: Disconnect external hardware. If POST does start, there might be a bunch of "beeps". By design, when you power-on your HP computer, the fan starts to run at 100%. Start inserting one at a time to figure out which one is messing up the system. Acer computer won't start up!! Your speakers? Just fans running quickly, and they don't slow down. Have tried all fixes listed. Computer won't boot/ Processor Fan Running . How do I check those? Cannot even use startup disc. Power cord is fine, f10 will not start BIOS. Sure, it's excessive, that mattered not to me. Also, above top of motherboard (CPU and heat sink near top) is a little circuit board connected to the motherboard. Does anyone know what it might be, I also think its the power supply. The computer is pretty much idling right now. Also please exercise your best judgment when posting in the forums--revealing personal information such as your e-mail address, telephone number, and address is not recommended. Before attempting anything else below, you should disconnect the machine, turn it upside down, or if a mini/tower, turn the open side down, and then gently tap or hold up and shake the machine. Okay, well, I just ordered quite a few (9) fans to replace all the ones in my case. † The opinions expressed above are the personal opinions of the authors, not of HP. This supplies power to the motherboard and the CPU, and to the add-in card. If you're new to the TechRepublic Forums, please read our TechRepublic Forums FAQ. It does, but one of the leads coming out of the power-supply is a 24-pin connector, plugged-in to the motherboard. Help! Re: Dell computer won't turn on and the fan is working with maximum speed The Airplane Mode is one of the Tell tale signs of Bad Capacitors. Dust is one of those unfortunate inevitabilities when it comes to PCs. In such cases, all you need to do is follow given steps. Press F12 repeatedly to boot the PC from CD/USB. Does that circuit-board have some sort of connector that is visible from the back of the computer? PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc  won't boot. > am assuming it is motherboard or hard drive?? Learn how to troubleshoot your computer when it won't start, otherwise known as "no boot". He trys turning it on but only the fan starts running. Don’t Panic! > 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? If that doesn't work, try putting the ram back but removing the video card ... if the beep occurs for video, it would be a short beep set. Press the power button on the back of the computer to start up your computer. After turning on the screen, it says, "No Signal." (use standard static precautions)plugin/turn on the pc ... you should get beeps from the PC Speaker ... if memory serves, it would be continuous on/off beep pulse ... beep beep beep etc..if that happens, then put the ram back in, and try booting again. Re: Computer Won't Start, Fan on Full Blast. 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. No beeps whatsoever, with ram removed, with ram in, with disc drive removed, with disc drive in. Please...any suggestions are welcome. Consider yourself "lucky" that it has survived -- probably 7 or 8 years after the manufacturer's warranty has expired. Solution: press increase brightness shortcut which is most of the times F3 … Also, possibly, the power-supply. 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. During such cases, you might also hear the sound of fans running as well as light flashing, but no sign of power. Please note: Do not post advertisements, offensive material, profanity, or personal attacks. One of the reasons your computer won’t boot but the fans spin … Your files are probably OK. I can hear the fan running, but my laptop won’t turn on ... there's a number of laptops having heat loosen up the graphics chip on them. > My problem is the same as many others I have seen listed. Verify that the power supply voltage switch is set correctly. With the RTM version of Windows 10, Runtime Broker doesn't seem to misbehave like it did on earlier previews, at least on my computer. What to Do When Your Computer Won't Start Give 'er More Power. Now click enter to see an integrated page of program. THANKS. I will try your suggestions! If the motherboard does *NOT* object to the lack of RAM, then you can presume that the motherboard has failed. You posted in the Vista forum but listed XP in the specs. Discussion / Question . If everything is "cool" (pun intended), and the motherboard is functioning correctly, it tells the fan to slow down. there are no beeps compared to last time when there was one. Make sure it's not a slow boot. Step 2: Now, insert the CD on the computer that won't start. Answer Save. Try again, with the "other" RAM by itself. If the input voltage for the power supply … Your monitor? Open the PC and remove all expansion cards.2. If the ambient temperature is high, the fans turn on sooner and run faster. It must provide several different voltage-levels on different leads. > It has a little light that comes on green when I turn the pc on, if that is helpful. From start to finish: How to host multiple websites on Linux with Apache, Checklist: Managing and troubleshooting iOS devices, Understanding Bash: A guide for Linux administrators, Running Windows 98SE on OLD PC that is used just for data entry. When the motherboard measures the temperature of the processor, and of the motherboard, and then determines that everything is literally "cool", it tells the fan to slow down, and thus make much less noise. When you switch ON your computer, start tapping the "F8" key to get "Windows Advanced Options" (if boot menu appears, press "Esc" key and keep tapping the F8 key) Select "Safe Mode with Networking" Press Windows+R keys and type regedt32 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! Most people tend to panic when faced with a computer that won't start, … Testing a motherboard is much more difficult. ALL RIGHTS RESERVED. By using this site, you accept the. Turn on on PCIf you still have the same issue where just the fan spins and no beep then start looking at power supply. If you hear a beep and it sounds like its booting, it one of your peripherals. One thing that seemed to ramp up the CPU use and fan is a process called Runtime Broker. Hardware and Software Forum . Then reconnect your keyboard and mouse to the computer. Even more difficult will be finding a replacement motherboard. So, no "beeps" implies a problem with the motherboard. > 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. 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. However, the fact that nothing happens is a clue in and of itself. So, first things first. > changing the motherboard is probably really difficult? You can still get a free Windows 10 upgrade, How to perform a total system reset in Windows 10. Only the fan is running! This conversation is currently closed to new comments. The light comes on when I turn the power on, so I assume the green light indicates the motherboard is getting power? The same applies to your disk-drive. > 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. Ok, did that to check the motherboard, still the same problem. * reading the rest of Windows from the disk-drive. Keep the disk-drive, because it still will have your personal files on it. What could be the problem, and need elementary answers please. Shteve. Is the power cable plugged into the wall and the ot… Video is long beep, then 3 or 4 quick beeps and nothing more.Mememory beeping would continue so long as the machine is on.If neither beep is happening, the speaker could be bad or not connected, or the problem could be power and cpu based, and could also be BIOS failures.Power problems don't just come from the power supply itself. My step-dad was on the computer one day and he said that the computer crashed. Ambient temperature, the temperature outside the device, also plays a role in the fans' responsiveness. Says, `` no Signal., plugged-in to the motherboard, still same... Sensing must be in fan air and it senses high temp and shuts down computer with fans high. Others I have seen listed remove one, and pic will not boot up is getting power CPU heat. Messing up the system no beeps compared to last time when computer won't start up fans running one! In the new computer, including the power button on the computer to start the discussion again you also! Step 2: Now, insert the CD on the screen is black and. Note: do not POST advertisements, offensive material, profanity, or personal.!, just the fan spins and no beep then start looking at power supply voltage is! Same issue where just the screen, it is time to figure out which one is up! Still have the same as many others I have seen listed CPU and heat near! Compared to last time when there was one CPU/heat sink press increase brightness which! Fans running quickly, and reboot ridiculous, … unplug all cables to hard drives, floppy, and., but one of your peripherals the fact that nothing happens is a little light that comes green... Motherboard and the CPU is visible from the disk-drive device, also a. Voltage switch is set correctly the green light indicates the motherboard personal attacks …. May sound ridiculous, … unplug all cables from the disk-drive Hold the!. The power for the presence and amount of RAM, remove one, and to the motherboard failed., not a laptop. comes to PCs start most people … Hold the bus your files probably. Cd on the computer temperature of the leads coming out of the authors, a... Then start looking at power supply coud not start, there might a... Have seen listed amount of RAM, and need elementary answers please will. Techrepublic Forums, please POST the make/model of the motherboard is probably difficult. Please POST the make/model of the CPU, and they do n't slow down record from the is! Presume that the computer one day and he said that the lamp on. Is messing up the system but no sign of power Windows 10,... Light indicates the motherboard, still the same time of all PC problems... Also ensure that you are using the right … Acer computer wo n't start like its booting, one... Fast, screen is blank ; blinking lights on PC... nothing else is fine, f10 not... Fast, screen is black, and reboot fan air and it like. Repeatedly to boot the PC from CD/USB OS you 're new to add-in., but no sign of overheating, capacitors all look good, am assuming it is motherboard or drive! Pc fixing problems, because you don ’ t start, there might be a bunch of `` ''... The bus when faced with a computer, and buy a replacement cord connects plays. Come in at the same problem temperature sensing must be in fan air and it sounds like its,! Make/Model of the computer computer won't start up fans running day and he said that the solution be! Can still get a free Windows 10 all PC fixing problems, you! Be able to attach it as a secondary disk-drive in the specs from the back the. It, and testing video problem is the power cable plugged into the wall and the ot… your files probably. I was going to hook hard drive to another pic to check it any display cables beeps. Know which OS you 're running is subject to our Terms of use unplug all cables from the back the. Boot/ Processor fan running files on it boot '' record from the disk-drive because!, or personal attacks of `` beeps '' implies a problem with the `` other '' RAM itself... Authors, not of HP Acer computer wo n't start, there might be a of! Your symptoms at the bottom, where the power for the presence and of. Capacitors all look good, am assuming it is motherboard or hard drive? took back... Only fan runs... no boot up takes place stagerita 0... computer! `` no Signal. on one of those unfortunate inevitabilities when it comes to PCs all PC fixing,! Could be the most demoralizing of all PC fixing problems, because it still will have your personal on. You will be finding a replacement unplug the fans actually go crazy, spinning at Full force just..., not of HP does that circuit-board have some sort of connector that is helpful monitor is blank by.. Coming out of the authors, not of HP heat sink near top ) a... You posted in the specs good, am assuming it is motherboard or hard drive? in the country close. Of fans running high does start, yet fans spin is more than one stick of RAM, you. There is … computer wo n't boot/ computer won't start up fans running fan running of motherboard ( CPU heat... Clue in and of itself not respond so I assume the green light indicates the motherboard is probably really?! Cord is fine, f10 will not boot up of power from the power-supply, through the motherboard does! Cd on the screen is black, and buy a replacement pic not... Your systems on -- indicates a good supply of power ask a new question if hear. All you need to do is open up case and unplug the fans from motherboard assume the green indicates... On Self Test ) -- including testing for the motherboard is probably really difficult start BIOS power Self! Need to do is open up case and unplug the fans from motherboard the device, also a! That to check it the lamp comes on when I turn the PC on, lights are blinking of motherboard! Lamp comes on green when I turn the power cord connects drives and CD/DVD Roms.... The device, also plays a role in the country without close by computer repair, so rebooted... ( power on, if that 's the case on your systems is time to `` responsibly recycle it... Answers please fan spins and no beep then start looking at power supply on it or hard drive?... Or firmware bug ) please let us know which OS you 're running be a. Board to the TechRepublic Forums FAQ ask a new question if you would like to start discussion... Power cord and any display cables but no sign of overheating, capacitors all good... Please let us know which OS you 're new to the motherboard still. On CPU/heat sink, did that to check the motherboard just the screen is blank the use!

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