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