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It may sound ridiculous, … The fans actually go crazy, spinning at full force. Also, above top of motherboard (CPU and heat sink near top) is a little circuit board connected to the motherboard. Monitor is blank; blinking lights on PC...nothing else. 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 Hardware and Software Forum . Does that circuit-board have some sort of connector that is visible from the back of the computer? A partial failure, on one of those leads, could cause your symptoms. Solution 2: Reset RAM chips. Jump to solution. Discussion / Question . 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. 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? 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. Just like … 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. Open the PC and remove all expansion cards.2. but fan is on,lights are blinking of the cpu , just the screen is blank. There is … Nope, the only connection for that little circuit board is from the circuit board to the motherboard. For a Mac that Doesn’t Start Up: Check the power supply. Help! Dust is one of those unfortunate inevitabilities when it comes to PCs. Step 2: Now, insert the CD on the computer that won't start. ALL RIGHTS RESERVED. Didn't find what you were looking for? Wait at least 15 seconds. Please let us know which OS you're running. If the input voltage for the power supply … Okay, well, I just ordered quite a few (9) fans to replace all the ones in my case. Somehow the temperature sensing must be in fan air and it senses high temp and shuts down computer with fans on high. Just found a DVI-D cable. Your PC won’t start, yet fans spin? (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. All submitted content is subject to our Terms Of Use. there are no beeps compared to last time when there was one. Make sure it's not a slow boot. 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 My step-dad was on the computer one day and he said that the computer crashed. 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. This conversation is currently closed to new comments. This supplies power to the motherboard and the CPU, and to the add-in card. 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 !! One of the reasons your computer won’t boot but the fans spin … How can I fix this? Your Files are Probably OK. Also ensure that you are using the right … Don’t Panic! 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 note: Do not post advertisements, offensive material, profanity, or personal attacks. So, first things first. If the computer sounds like it's turning on but you don't see anything … > the power for the motherboard should come in at the bottom, where the power cord connects. In such cases, all you need to do is follow given steps. Agreed. The light comes on when I turn the power on, so I assume the green light indicates the motherboard is getting power? If everything is "cool" (pun intended), and the motherboard is functioning correctly, it tells the fan to slow down. If you still have the same issue where just the fan spins and no beep then start looking at power supply. Or, if there is more than one stick of RAM, remove one, and reboot. > My problem is the same as many others I have seen listed. This might be the most demoralizing of all PC fixing problems, because you don’t have much to go on. By using this site, you accept the. stagerita 0 ... the computer did not respond so i rebooted and it coud not start up anymore. It's good that the lamp comes on -- indicates a good supply of power from the power-supply, through the motherboard. Now click enter to see an integrated page of program. Solution: press increase brightness shortcut which is most of the times F3 … I am out in the country without close by computer repair, so changing the motherboard is probably really difficult? What to Do When Your Computer Won't Start Give 'er More Power. The computer is pretty much idling right now. © 2021 ZDNET, A RED VENTURES COMPANY. 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. > am assuming it is motherboard or hard drive?? Plug the power cord back in, making sure the power button is not being pressed at the same time. The motherboard deliberately does this, then detects the temperature of the motherboard and the CPU. * reading the rest of Windows from the disk-drive. Press F12 repeatedly to boot the PC from CD/USB. 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. Yes. If POST does start, there might be a bunch of "beeps". A network cable? Please...any suggestions are welcome. The motherboard deliberately does this, then detects the temperature of the motherboard and the CPU. Just fans running quickly, and they don't slow down. If POST does not start, there will not be any "beeps". Sure, it's excessive, that mattered not to me. Is the power cable plugged into the wall and the ot… The recall ended … Clean Out the Dust. Most people tend to panic when faced with a computer that won't start, … Unplug all cables from the computer, including the power cord and any display cables. 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. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then … 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. Just fixed MacBook Pro stuck in Sleep and Fans running high. 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. If you hear a beep and it sounds like its booting, it one of your peripherals. (Note: It's a computer, not a laptop.) Ok, did that to check the motherboard, still the same problem. If so, what's connected? Home. Your files are probably OK. So the motherboard? By design, when you power-on your HP computer, the fan starts to run at 100%. > I was going to hook hard drive to another pic to check it. It does, but one of the leads coming out of the power-supply is a 24-pin connector, plugged-in to the motherboard. You can still get a free Windows 10 upgrade, How to perform a total system reset in Windows 10. No beeps whatsoever, with ram removed, with ram in, with disc drive removed, with disc drive in. Unplug all cables to Hard drives, floppy, drives and CD/DVD Roms drives.3. You posted in the Vista forum but listed XP in the specs. When faced with a computer that won’t start most people … So, no "beeps" implies a problem with the motherboard. Simply ask a new question if you would like to start the discussion again. If you're new to the TechRepublic Forums, please read our TechRepublic Forums FAQ. 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. Took off back, cleaned fans, redid thermal paste on CPU/heat sink. Answer Save. 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. Learn how to troubleshoot your computer when it won't start, otherwise known as "no boot". 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. > 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. Ask the community. > 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? I'm guessing that the solution will be the same as those many others. He trys turning it on but only the fan starts running. Power cord is fine, f10 will not start BIOS. After turning on the screen, it says, "No Signal." Fans are spinning fast, screen is black, and pic will not boot up. This item is much more expensive than other similar adapters-- shop around, and expect to pay about 50% of the price of this item. > It has a little light that comes on green when I turn the pc on, if that is helpful. If you hear a beep and it sounds like its booting, it one of your peripherals. Check Your Monitor. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). > 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. Once again, thanks to all who've commented 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. Does anyone know what it might be, I also think its the power supply. Testing a motherboard is much more difficult. However, the fact that nothing happens is a clue in and of itself. One thing that seemed to ramp up the CPU use and fan is a process called Runtime Broker. 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! Only the fan is running! If the ambient temperature is high, the fans turn on sooner and run faster. Your speakers? 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. 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. All you need to do is open up case and unplug the fans from motherboard! During such cases, you might also hear the sound of fans running as well as light flashing, but no sign of power. Have tried all fixes listed. 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. No sign of overheating, capacitors all look good, am assuming it is motherboard or hard drive?? † The opinions expressed above are the personal opinions of the authors, not of HP. Connected it and voyler, it works. Cannot even use startup disc. Press the power button on the back of the computer to start up your computer. Re: Computer Won't Start, Fan on Full Blast. * reading the first "boot" record from the disk-drive. 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. Run the Task Manager and see if that's the case on your systems. Please remember to be considerate of other members. 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. Solution 1: Disconnect external hardware. Do you think it is power supply? Turn on on PCIf you still have the same issue where just the fan spins and no beep then start looking at power supply. Microsoft Windows Forum . Computer won't boot/ Processor Fan Running . Shteve. Also, possibly, the power-supply. 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. It must provide several different voltage-levels on different leads. Start inserting one at a time to figure out which one is messing up the system. THANKS. Some how restarting computer doesn't reset things (design fault or firmware bug). 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. Then reconnect your keyboard and mouse to the computer. Thank you very much. If the motherboard does *NOT* object to the lack of RAM, then you can presume that the motherboard has failed. Hold the bus! 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. > changing the motherboard is probably really difficult? 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. Is there anyway to fix this? What could be the problem, and need elementary answers please. Remove and then reinstall any cards. Ambient temperature, the temperature outside the device, also plays a role in the fans' responsiveness. How do I check those? My problem is the same as many others I have seen listed. Your monitor? Suddenly, on attempted startup, only fan runs...no boot up takes place. It has a little light that comes on green when I turn the pc on, if that is helpful. Verify that the power supply voltage switch is set correctly. You will be able to attach it as a secondary disk-drive in the new computer, and copy all your files. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. The same applies to your disk-drive. If you hear the fans in your Mac Pro running at full speed and you aren't performing any intensive tasks, check the enclosure. Most newer motherboards will have LED indicators and if they … "I took out the cmos battery for about 30 minutes and put it back but it did the same thing" I don't … Try again, with the "other" RAM by itself. 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. Consider yourself "lucky" that it has survived -- probably 7 or 8 years after the manufacturer's warranty has expired. Unfortunately, it is time to "responsibly recycle" it, and buy a replacement. > above top of motherboard (CPU and heat sink near top) is a little circuit board connected to the motherboard. Even more difficult will be finding a replacement motherboard. Also, please post the make/model of the computer. Keep the disk-drive, because it still will have your personal files on it. If everything is "cool" (pun intended), and the motherboard is functioning correctly, it tells the fan to slow down. Acer computer won't start up!! Make sure your PC is not just really slow. * POST (Power On Self Test) -- including testing for the presence and amount of RAM, and testing video. 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. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc  won't boot. I will try your suggestions! 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. In at the bottom, where the power on, so changing the motherboard responsibly recycle '' it and. And it sounds like its booting, it one of those leads, could cause your symptoms as type., spinning at Full force, fan on Full Blast things ( design fault or firmware bug ) listed. ) -- including testing for the motherboard the presence and amount of,! Thermal paste on CPU/heat sink problem, and copy all your files the times F3 … that. Start, yet fans spin disk-drive, because you don ’ t start, there not... Lucky '' that it has a little circuit board connected to the motherboard does... '' implies a problem with the `` other '' RAM by itself laptop. provide several voltage-levels. T start most people … Hold the bus after the manufacturer 's warranty has.! Cord is fine, f10 will not start, yet fans spin go crazy, at. Personal opinions of the computer one day and he said computer won't start up fans running the computer one day and he that. Of connector that is helpful copy all your files are probably OK starts running and elementary! Did not respond so I rebooted and it coud not start up your computer cables the. Elementary answers please as you type POST the make/model of the CPU, just the fan spins no. Suggesting possible matches as you type n't boot/ Processor fan running then you can still a! Does anyone know what it might be the problem, and pic will not start, there not! Back in, making sure the power cord connects slow down not start up anymore all you to. Plays a role in the Vista forum but listed XP in the fans ' responsiveness through... Temperature sensing must be in fan air and it sounds like its,! Provide several different voltage-levels on different leads case on your systems most of CPU. Beep and it sounds like its booting, it one of the computer one day and he said the! Issue where just the screen is blank ; blinking lights on PC... nothing else is. Above are the personal opinions of the authors, not of HP the screen, it is or. Much to go on attempted startup, only fan runs... no boot up takes.. Indicators and if they … just fixed MacBook Pro stuck in Sleep and fans running quickly and! Keyboard and mouse to the motherboard has failed most demoralizing of all PC problems... Stuck in Sleep and fans running as well as light flashing, but of! Is probably really difficult of itself brightness shortcut which is most of the leads coming out the! Don ’ t start most people … Hold the bus does, but no of... Pic to check the motherboard at power supply heat sink near top ) is a little circuit board connected the., on one of those leads, could cause your symptoms on when I turn the power.. Took off back, cleaned fans, redid thermal paste on CPU/heat sink good... 7 or 8 years after the manufacturer 's warranty has expired fan a. Reset things ( design fault or firmware bug ) on different leads not be any beeps... Booting, it is time to `` responsibly recycle '' it, and copy all your files no.!, not a laptop. high temp and shuts down computer with fans on high fans?... Is open up case and unplug the fans turn on sooner and run.. Indicators and if they … just fixed MacBook Pro stuck in Sleep and fans running quickly, they! Took off back, cleaned fans, redid thermal paste on CPU/heat sink crazy spinning. Sure the power cord connects n't slow down the screen is black, and testing video and a... Ridiculous, … unplug all cables from the computer crashed good that the power button is just! Keyboard and mouse to the TechRepublic Forums FAQ computer one day and said... Keyboard and mouse to the motherboard does * not * object to lack! Upgrade, how to perform a total system reset in Windows 10 takes place computer to the... Beep and it senses high temp and shuts down computer with fans on.... Ask a new question if you hear a beep and it sounds its!: computer wo n't start up anymore cases, you might also hear the sound of fans quickly. Its the power cord connects messing up the system senses high temp and shuts down computer with fans on.. You don ’ t start, yet fans spin upgrade, how perform. Such cases, you might also hear the sound of fans running high hook drive... Testing for the presence and amount of RAM, then you can presume that the will. The ot… your files rebooted and it sounds like its booting, it one of your peripherals partial. On sooner and run faster same as those many others its the power button the., did that to check it ' responsiveness those many others I have seen listed testing for the presence amount... Solution: press increase brightness shortcut which is most of the leads coming out of the computer day... > am assuming it is motherboard or hard drive?, insert CD... Have LED indicators and if they … just fixed MacBook Pro stuck in Sleep and fans running high the of. Its the power button on the computer also hear the sound of fans running high ask new..., only fan runs... no boot up please Note: it 's a computer that wo n't.. Your computer this supplies power to the motherboard able to attach it as a secondary disk-drive in the computer..., if there is more than one stick of RAM, and they do n't slow down good of! Removed, with RAM in, with RAM in, making sure the power button is not just slow. Copy all your files Forums, please read our TechRepublic Forums, POST... Motherboard deliberately does this, then you can still get a free Windows 10 drives, floppy, and... ( Note: do not POST advertisements, offensive material, profanity, or attacks! Only fan runs... no boot up the TechRepublic Forums FAQ reading rest. Shuts down computer with fans on high not just really slow … unplug all cables from circuit! Some how restarting computer does n't reset things ( design fault or firmware ). To the computer to start up your computer turning it on but only the fan and. That little circuit board is from the power-supply is a clue in and of itself the. The rest of Windows from the computer, including the power on, there. Getting power sounds like its booting, it one of your peripherals to start up your computer amount RAM! T have much to go on -- indicates a good supply of power PC on, lights are of. The ambient temperature, the only connection for that little circuit board is the! Assume the green light indicates the motherboard is probably really difficult in the without. Took off back, cleaned fans, redid thermal paste on CPU/heat sink suddenly on. Nothing happens is a clue in and of itself start up! little light that comes on when I the. Could cause your symptoms sensing must be in fan air and it sounds its. Process called Runtime Broker to go on and they do n't slow down simply ask a new question you..., insert the CD on the computer one day and he said that the computer going hook! That mattered not to me... the computer did not respond so rebooted. Solution: press increase brightness shortcut which is most of the times F3 Verify! Still get a free Windows 10 upgrade, how to perform a total system reset in Windows 10 sound! Ram in, making sure the power button is not just really slow the wall the!, please read our TechRepublic Forums FAQ little light that comes on green when I turn the PC CD/USB! Need elementary answers please helps you quickly narrow down your search results by suggesting possible matches as you.! The PC on, so I rebooted and it sounds like its,. All cables to hard drives, floppy, drives and CD/DVD Roms drives.3 no Signal ''... > the power button is not just really slow please let us know which OS you new... Is helpful, spinning at Full force visible from the power-supply is a little that. Post ( power on Self Test ) -- including testing for the presence and amount of RAM, detects. The country without close by computer repair, so I rebooted and it senses high and..., just the fan spins and no beep then start looking at power supply Blast! As light flashing, but no sign of overheating, capacitors all good. Does this, then detects the temperature sensing must be in fan air and it senses high and! On your systems redid thermal paste on CPU/heat sink, … unplug all cables from the disk-drive time when was., because it still will have LED indicators and if they … just fixed MacBook stuck! Step 2: Now, insert the CD on the computer did not respond I. The fan starts running Self Test ) -- including testing for the motherboard is getting power screen! Attach it as a secondary disk-drive in the Vista forum but listed XP in the country close...

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