Receiving a BSOD error is a common reason why a computer won't turn on. I bring this up again to help stress that this troubleshooting step should not be skipped. This situation is probably the most common in our experience working with computers that won't start. Windows stops or reboots on or after the login screen. Test the power button on the front of your computer's case and replace it if it fails your testing. How to access BIOS when keyboard wont respond and the MOBO is pre-UEFI nitro101. However, neither the keyboard or mouse work so I can't get past that screen. You'll probably hear the fans inside your computer turn on, see some or all of the lights on your computer turn on or flash, and then it will all stop. Mark as New; Bookmark; If your computer starts getting power after doing this, it means that something that you removed from the equation is the cause of the problem, so you'll likely need to replace your surge protector or other power distribution devices. There is currently no fix for this, as it is a hardware manufacturing issue. I took everything out , cleaned Motherboard from dust. I have a similar problem: when I turn the PC on, hard disk is working, no power to monitor (does'nt turn green), no power to keyboard, and probably no power to mouse too. Some motherboards have tiny power buttons built into the boards themselves, providing an easier way to test the case's power button. No power to keyboard, so i cant format PC. This video tutorial will help you to start up your PC if it has failed after receiving a static charge or if the power button has failed. Use this guide when your computer powers on, shows at least something on the screen, but then stops, freezes, or reboots over and over again during the Power On Self Test. The DVD drive does light up and open/close with the button. Start your computer with essential hardware only. This is a particularly annoying way in which your computer won't turn on because you're trying to use Windows' built-in ways to solve your problem but you're getting nowhere with them. If your motherboard has this, and it works to power on your computer, the case power button probably needs to be replaced. If your computer begins to load Windows but then stops and displays a blue screen with information on it, then try these steps. Computer powers on but nothing happens. Community Answer. Are you troubleshooting this issue on a PC that you've just built yourself? Then happened that there was no signal to LCD , Keyboard , Mouse. Even if you don't regularly use the power cable, if it has failed, it means that it hasn't been charging your battery. He writes troubleshooting content and is the General Manager of Lifewire. After uninstalling the Universal Serial Bus drivers of the list, I did a, "Scan for Hardware" changes and now the Keyboard started working again. Until you get it replaced, feel free to use your computer, so long as you're close to a power outlet! There are plenty of reasons why a newly PC won’t start. Have any suggestions ? View All (2) 3 REPLIES 3. My motherboard is a P8Z77-V LX My CPU is a Intel Core i5 3470 3.20Ghz. I also can not hear anything from my speakers, so I have no idea if windows is loaded or not. If your computer seems to be receiving power after turning it on but you don't see anything on the screen, try these troubleshooting steps. Computer doesn't fully start because of an error message. I don't have a PS2 keyboard. My power supply is about 4 years old. Otherwise it just doesnt work these days. Among the many ways that a computer won't turn on, a complete loss of power is rarely the worst case scenario. Unfortunately, it's also one of the most difficult to troubleshoot. Computer stops or continuously reboots during the POST. If that doesn’t work, it could be that the power supply in your PC has failed. After replacement, keep the computer plugged in for 5 minutes before starting so the CMOS battery has time to recharge. source-board-id:OSandSW. for a full list of your support options, plus help with everything along the way like figuring out repair costs, getting your files off, choosing a repair service, and a whole lot more. ; Click Troubleshoot; Click Reset this PC; Click Keep my files. If you're confident that your wall power, power supply, and power button are working, it's likely that there is a problem with your PC's motherboard and it should be replaced. Unplug your computer and plug it directly into a wall outlet you know is working, rather than a power strip or battery backup that may be failing. Retired 7771 6909 449 841 Message 2 of 4 263 Flag Post. Windows repeatedly returns to startup settings or ABO. I cannot start my PC in Safe Mode, when the problem occurs, as none of the peripherals gets powered - I cannot see anything on my screen (well, except "Check the signal" info) and my keyboard is non-responsive - it doesn't get power, so I can't input any commands. If these wires aren't securely connected or aren't connected at all, this is probably the cause of your computer not turning on. Thread starter lee18041990; Start date Jun 15, 2008; L. lee18041990 New Member. If using Start-Up Repair doesn't fix your problem, reinstalling Windows may help. You can use the one that's powering your monitor (as long as it seems to be getting power), one from another computer, or a new one. The purpose here is to remove as much hardware as possible while still maintaining your PC's ability to power on. My computer won’t start and you can see the computer power button flashing.One minute they are fine, and the next thing you know it is basically dead. Start the reset and after it starts, a blue screen shows up asking what country of keyboard do I have. Test your power supply if you're using a desktop PC. In this situation, no matter which Safe Mode option you choose, your computer eventually stops, freezes, or restarts on its own, after which you find yourself right back at the Startup Settings or Advanced Boot Options menu.. The stopping, freezing, or reboot loop may happen on the Windows login screen, as Windows is logging you in, or any time up to Windows fully loading. I wonder what that was but I believe that it's some drivers issue likely. Resolving an issue is usually fairly simple, the problem lies in finding it, which usually involves testing different possibilities. I stayed on my computer for an hour the closed it went to class and used it for another 50 minutes with no issues. Aside from straitening a bent pin or cleaning out some dirt, you'll probably need to seek the services of a professional computer repair service to correct any major problems you see here. If your computer turns on but then stops or freezes at any point, showing an error message of any kind, then use this troubleshooting guide. Most case switches are connected to the motherboard via a red and black twisted pair of wires. it seems a bit slow and quiet you can almost guarantee that there is not enough power getting through. The only symptom is usually the simple fact that "nothing works," which isn't much to go on. If you suspect that the Power On Self Test is still going on and that Windows has not yet started to boot, a better troubleshooting guide for why your computer won't turn on might be the one from above called Computer Stops or Continuously Reboots During the POST. I dried it off with a towel but I wasn't worried since it didn't turn off. It's a really awful way to start a day: you press the power button on your computer and nothing happens. Check for broken/bent pins and bits of debris that might be preventing the computer from getting power and charging the battery. Even if nothing improves, continue troubleshooting with the computer plugged into the wall to keep things simple. Pick the best troubleshooting guide from Steps 2 through 9 based on how your computer is acting or choose Step 10 if your computer stops at any point because of an error message. Hi all, I came home yesteday to find the computer off. Computer won't power up ---- no green light, no fan activity by byroncherry Feb 24, 2006 9:26PM PST. PC turns on, No signal, keyboard/mouse. It can be extremely frustrating when your keyboard won't work. Have no keyboard "Actually, this did the trick for now. Even though your computer runs on a battery, you should make sure that the AC adapter is plugged in properly, at least during troubleshooting. In other words, remove any power strips, battery backups, or other power distribution devices between your PC and the wall outlet. there are no network adapters … Make sure the power switch is connected to the motherboard if you're using a desktop. If your keyboard works normally in BIOS/UEFI setup, but does not work during Windows installation or stops working after first reboot into Windows, then most probable reason is missing USB 3.0 drivers. Haven’t got another PC to build a USB Boot Pen. Your files are probably OK. If that’s the case, you’ll need to replace it. We highly recommend that you test your computer with a Power On Self Test card to confirm that the motherboard is the cause of your computer not turning on at all. I also noticed there were no lights on my keyboard or mouse at boot up. The next best course of action for you is to seek professional computer service. If your computer won't start and you see a blue screen flash or remain on the screen, you're experiencing a Blue Screen of Death and should use the troubleshooting guide above. Try this troubleshooting guide when your computer powers on, Windows shows the login screen, but then freezes, stops, or reboots here or anytime after. What should I do? 0 Kudos Tags (2) Tags: Archived. If your computer turns on after trying this, it means that your battery is the cause of the problem and you should replace it. This kind of error is called a STOP error but is more commonly referred to as a Blue Screen of Death, or a BSOD. Keyboard Not Working In Windows Setup Or After The First Reboot. There's no reason to replace a working piece of hardware when testing it is fairly easy. Plug an external keyboard and/or mouse into a free USB slot. Depending on how your computer's case is designed, you may be able to use the reset button in the meantime to power on your PC. Power goes on, fans start working but no boot. Lately when I power up the PC, the Keyboard will not initalize. My PC was running fine. The only exception to using this troubleshooting guide for an error message is if the error is a Blue Screen of Death. How to Fix It, How to Fix a Computer That Won't Start in Safe Mode, How to Fix Freezing & Other Issues During Windows Startup, How to Fix It When Your PS4 Won't Turn On, How to Manually Test a Power Supply With a Multimeter, How to Fix Problems During the Windows Login Process, How to Fix a Computer Fan That's Loud or Making Noise, The Ultimate Guide to Online Learning at Home, Check for disconnected computer power cable connections, Verify that the power supply voltage switch is set correctly, Remove the main battery in the laptop or tablet, Test the power button on the front of your computer's case, Power button/switch, usually located on the front of a desktop computer's case, or on the top or side of a laptop or tablet, Power switch on the back of the computer, usually just on a desktop, Power switch on the power strip, surge protector, or UPS, if you're using any of them. 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