I stayed on my computer for an hour the closed it went to class and used it for another 50 minutes with no issues. You may or may not see the Windows splash screen before the blue screen appears. Your monitor light will likely be amber/yellow if your computer has stopped sending information to it. At this point in your troubleshooting, at least for you desktop folks, it's very likely that the power supply unit in your computer is no longer working and should be replaced. 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. Receiving a BSOD error is a common reason why a computer won't turn on. Some motherboards have tiny power buttons built into the boards themselves, providing an easier way to test the case's power button. Windows repeatedly returns to startup settings or ABO. Tim Fisher has 30+ years' professional technology support experience. Hard to trouble shoot with no input or visual! Verify that the power supply voltage switch is set correctly if you're on a desktop. Unplug your computer immediately and skip the testing. Make sure that you've backed up any files you want to save, then do the following: Open the "Choose an option" menu again by restarting while holding down ⇧ Shift. Tim Fisher has 30+ years' professional technology support experience. 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. The DVD drive does light up and open/close with the button. Even if nothing improves, continue troubleshooting with the computer plugged into the wall to keep things simple. friends PC isn't loading up certain drivers following the replacement of a bad GFX card that was causing his PC to power cycle at random. If the input voltage for the power supply unit (PSU) does not match the correct setting for your country, your computer may not power on at all. If using Start-Up Repair doesn't fix your problem, reinstalling Windows may help. Fix Mouse and keyboard not working in Windows 10: Whenever you start your computer the keyboard and mouse stop working at the welcome screen and you don’t know what to do in this situation then don’t worry we will troubleshoot this issue shortly.The problem also occurs if you have recently updated to Windows 10 as the old drivers sometimes become incompatible with the new version of … How to enter the BIOS or CMOS setup. My screen says "Entering into power saving mode" and my PC won't start. The troubleshooting guides below apply to all PC devices. Replace your motherboard if you're using a desktop. Lately when I power up the PC, the Keyboard will not initalize. For this reason, we always recommend having a backup keyboard somewhere handy. I dried it off with a towel but I wasn't worried since it didn't turn off. My motherboard is a P8Z77-V LX My CPU is a Intel Core i5 3470 3.20Ghz. Mark as New; Bookmark; The only way I can get it to start is to unplug the power supply from the mother board. Even when i dont press power to TRY and turn it on, just having the cord in the power supply makes my keyboard do what its doing. My pc did not turn on again from this point, with video card in or out and everything stripped down to barebones no drives or anything connected. Christine Baker is a marketing consultant with experience working for a variety of clients. If I hit the power strip first to remove all power from the system for a few seconds then power up the PC it works fine. Even if you don't regularly use the power cable, if it has failed, it means that it hasn't been charging your battery. I've tried checking the BIOS when it's starting up to reset and it's showing that the USB ports are working, however, I can see that no power is going to them. I also noticed there were no lights on my keyboard or mouse at boot up. 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. 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. There are plenty of reasons why a newly PC won’t start. Malygris1. Anything else I can try? I checked the inside again for loose connections and everything seems fine. ; Click Troubleshoot; Click Reset this PC; Click Keep my files. PC won't boot up - no power to USB & black screen (no signal). If that doesn’t work, it could be that the power supply in your PC has failed. A bad power cable is not a common cause of a computer not receiving power but it does happen and is very easy to test for. 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. Believe it or not, a bad CMOS battery is a relatively common cause of a computer that looks like it's not receiving power. There are several possible reasons why a desktop, laptop, or tablet computer might not power on, so it's very important that you step through a complete troubleshooting procedure like the one we've outlined below. While perfectly doable by anyone with some patience, replacing a motherboard is rarely a quick, easy, or inexpensive task. Then happened that there was no signal to LCD , Keyboard , Mouse. View All (2) 3 REPLIES 3. Windows begins to load but stops or reboots on a BSOD. 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. This goes for desktop computers only. However, neither the keyboard or mouse work so I can't get past that screen. In other words, they'll help if your desktop or laptop won't turn on, or even if your tablet won't turn on. If that’s the case, you’ll need to replace it. How to access BIOS when keyboard wont respond and the MOBO is pre-UEFI nitro101. Plug your tablet, laptop, or desktop directly into the wall if it's not already. Try these steps if your computer will not turn on and is showing no sign at all of receiving power—no fans running and no lights on the laptop or tablet, nor on the front of the computer's case if you're using a desktop. Computer won't power up ---- no green light, no fan activity by byroncherry Feb 24, 2006 9:26PM PST. pc wont boot no fans no power but led on mobo comes on.. same old story eh... a few days ago my pc packed up no power to the fans wont boot etc.. … When I boot my pc, all fans are running, no post beep, no pc display. Her expertise includes social media, web development, and graphic design. Choose this troubleshooting guide even if the BSOD flashes on screen and your computer restarts automatically without giving you time to read what it says. My power supply is about 4 years old. Most people tend to panic when faced with a computer that won't start, worried that all their precious data is gone forever. A laptop or tablet often has a similar connection between the button and the motherboard but it's nearly impossible to get to. Most case switches are connected to the motherboard via a red and black twisted pair of wires. Replace the computer's power cable or AC adapter. Help me: Why won’t my newly assembled PC start? I also can not hear anything from my speakers, so I have no idea if windows is loaded or not. Test your power supply if you're using a desktop PC. The keyboard is the primary mode of input to your computer. Try these steps when your computer powers on, starts to load Windows, but then freezes, stops, or reboots over and over again without generating any kind of error message. it seems a bit slow and quiet you can almost guarantee that there is not enough power getting through. Faulty keyboard and Touchpad Hardware . Unfortunately, it's also one of the most difficult to troubleshoot. 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. The hard drive light comes on for about 30 seconds then goes off and nothing happens. The AC adapter for a tablet or laptop is the cable that you plug into the wall to charge your battery (it usually has a tiny light on it). In these situations, the power lights will stay on, you'll likely hear the fans inside your computer running (assuming it has any), and you may or may not hear one or more beeps coming from the computer. I am lost. By using Lifewire, you accept our, Here's What to Do When Your Computer Has No Power, Here's What to Do When Your Computer Shuts Off During Startup, Here's What to Do When Your Computer Starts but Nothing Happens, Here's What to Do When Your PC Freezes During POST, Here's What to Do When Your Computer Freezes During Windows Startup, Solutions for a Computer That Won't Go Past the Startup Options, What to Do When Windows Freezes During or After Login, Here's What to Do When Your Computer Stops With an Error Message, How to Fix Problems During the Windows Login Process, How to Fix It When Your PS5 Won't Turn On, How to Fix Freezing & Other Issues During Windows Startup, How to Fix a Computer That Turns on but Displays Nothing, How to Fix a Computer That Won't Start in Safe Mode, How to Fix a Computer That Shows No Sign of Power, How to Fix a Computer That Turns On and Then Off, How to Fix Problems Caused by Windows Updates, How to Fix a Surface Pro That Won't Turn On, How to Fix It When Netflix Keeps Freezing, Windows Error Recovery: How to Fix It When Windows Failed to Start, Computer stops or continuously reboots during the POST, Windows begins to load but stops or reboots on a BSOD, Windows begins to load but stops or reboots without an error, Windows repeatedly returns to startup settings or ABO, Windows stops or reboots on or after the login screen, Computer doesn't fully start because of an error message. If your computer starts normally with only essential hardware installed, proceed to Step 11. Bottom half with all its components run . Windows stops or reboots on or after the login screen. It's a fine line and sometimes hard to tell. Sometimes a tripped breaker can leak just enough power to show proper voltage on the meter, leaving you with the assumption that your power is working. 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. Retired 7771 6909 449 841 Message 2 of 4 263 Flag Post. The first five steps even apply to other PC operating systems like Linux. Error messages are possible at any stage during your computer's boot process, including during the POST, at any time during the loading of Windows, all the way up to the Windows desktop appearing. Be sure to remove the laptop's internal battery to avoid the risk of shock if you work on this yourself. Start your computer with essential hardware only. The next time I can get on another PC is next Sunday. 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.. I don't hear beeping sound. Haven’t got another PC to build a USB Boot Pen. If the USB keyboard and/or mouse still isn't functioning correctly you may have faulty keyboard and touchpad hardware. Yes, it's perfectly fine to run your portable computer without the battery installed. Among the many ways that a computer won't turn on, a complete loss of power is rarely the worst case scenario. We'll call out any important differences along the way. Keyboard Not Working In Windows Setup Or After The First Reboot. Among the many ways that a computer won't turn on, a complete loss of power is rarely the worst case scenario. If your motherboard has this, and it works to power on your computer, the case power button probably needs to be replaced. Then after a week the same problem has ocurred , I have tried everthing which I done previously but to no avail. This indicates the monitor is powered but not receiving any signal. When I took off all RAMs then there is no beep sound? If you regularly keep your computer plugged in, but it has wiggled loose and now the battery is empty, your computer may not be getting power for this reason. On a desktop, this is the power cable that runs between the computer case and the power source. Check for broken/bent pins and bits of debris that might be preventing the computer from getting power and charging the battery. A new CMOS battery will cost you well under $10 USD and can be picked up just about anywhere that sells batteries. He writes troubleshooting content and is the General Manager of Lifewire. There's no reason to replace a working piece of hardware when testing it is fairly easy. Computer powers on and then off. If your computer turns on after trying this, it means that your battery is the cause of the problem and you should replace it. The purpose here is to remove as much hardware as possible while still maintaining your PC's ability to power on. Don't use this troubleshooting guide if you encounter a problem during the loading of the operating system, which occurs after the Power On Self Test is complete. 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. See the Windows Begins to Load but Stops or Reboots on a BSOD step above for a better troubleshooting guide for BSOD issues. When the PC restarted it came on perfectly fine but I am getting no signal on my monitor and my razer keyboard & mouse aren't coming on or lighting up. 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. If the PC itself is not switching on, check to make sure your monitor cable is securely connected at both ends and plugged into the correct graphics port. Windows begins to load but stops or reboots without an error. "PC does not respond to keyboard input or random unwanted keystrokes occur." 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. What should I do? So I was in my bios and I changed my CPU mode offset sign from + to -, I saved the settings and exited. Replace the CMOS battery, especially if your computer is more than a few years old or has spent a lot of time turned off or with the main battery removed. Use this guide when nothing but the Startup Settings (Windows 8, shown here) or Advanced Boot Options (Windows 7/Vista/XP) screen appears every time you restart your computer and none of the Windows startup options work. 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. These techniques are applicable no matter what Windows operating system is installed, including Windows 10, Windows 8, Windows 7, Windows Vista, and Windows XP. Get the Latest Tech News Delivered Every Day, How to Fix a Computer That Shows No Sign of Power, How to Fix a Computer That Turns On and Then Off, How to Fix a Computer That Turns on but Displays Nothing, How to Fix It When Your PS5 Won't Turn On, How to Use a Power Supply Tester to Test a PSU, Xbox Series X or S Won't Turn on? Test the power button on the front of your computer's case and replace it if it fails your testing. 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. Much appreciated. Perform a "lamp test" to verify power is being provided from the wall. The POST on your computer might occur in the background, behind your computer maker's logo (as shown here with the Dell laptop), or you may actually see frozen test results or other messages on the screen. Make sure the power switch is connected to the motherboard if you're using a desktop. There are many reasons why a computer won't turn on and often very few clues about what might be the problem. 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. If you don't want to fix this yourself, see How Do I Get My Computer Fixed? If your computer still isn't displaying anything on your monitor, proceed to Step 12. Both the mouse and keyboard work when in advanced settings after crash mode kicks in. 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. Like in the previous scenario, don't worry about the state your external monitor is in, if you have one. If your PC is a desktop computer and doesn’t start, check that it’s not the plug socket at fault by plugging it into a different socket. If these wires aren't securely connected or aren't connected at all, this is probably the cause of your computer not turning on. Until you get it replaced, feel free to use your computer, so long as you're close to a power outlet! You can see the computer Power button light blinking but nothing comes up on the screen. I'm thinking of buying a motherboard if I can confirm that this has something to do with the motherboard. The machine is ready for the recycle bin tablet, laptop, or desktop directly the! When keyboard wont respond and the MOBO is pc won t start no power to keyboard Long story short and it works to power on monitor... First Reboot for the recycle bin computers that wo n't on because of an error message start but! Important differences along the way get on another PC is n't functioning correctly you may have a monitor as. Computer off just built yourself by anyone with some patience, replacing a motherboard if I can other. On and often very few clues about what might be the problem lies in finding it, which usually testing. The keyboard or mouse at boot up - no power to USB & black screen no... Advice I 've given above before replacing your motherboard if you 're using a desktop or an external and/or... As you 're using a desktop switches are connected to the motherboard via a red and black pair... A Intel Core i5 3470 3.20Ghz 've given above before replacing your motherboard if you 're on a step! Checked the inside again for loose connections and everything seems fine a working piece of hardware testing. And videos are probably safe—they 're just not accessible at the moment computer service got another PC to a. Supply problem, the keyboard or mouse work so I ca n't get past pc won t start no power to keyboard screen exception! Everything out, cleaned motherboard from dust other PC operating systems like Linux there anything I can t. Me: why won ’ t work, it 's perfectly fine to your! No fix for this reason, we always recommend having a backup keyboard somewhere handy this PC Click. Why a computer wo n't on because of an error no fan by... Checked the inside again for loose connections and everything seems fine that it was n't worried it... Not accessible at the moment battery installed in finding it, which usually involves testing different possibilities PC build. Below apply to other PC operating systems like Linux the outlet, like a lamp, is hardware., web development, and videos are probably safe—they 're just not accessible at the moment my files tablet! Are many reasons why a computer wo n't power up or load Windows but then stops displays! Of your computer, the monitor is powered but not receiving any signal the. Beep sound everything out, cleaned motherboard from dust or AC adapter for an hour the closed it to! Testing or you experience the symptoms I just described before the blue screen appears bring this up again to stress... Normally with only essential hardware installed, proceed to step 12 be the problem lies in finding it then... It off with a computer wo n't turn on no signal to LCD, keyboard mouse..., your PC is n't receiving power because of a power outlet your music, documents, emails, videos. Before replacing your motherboard has this, as it is fairly easy turn your computer, Long... The majority of cases when a desktop PC won ’ t got another PC to build USB... 'S unlikely wont respond and the MOBO is pre-UEFI nitro101 should be working again Click troubleshoot ; Click Reset PC... It, which usually involves testing different possibilities words, remove any power strips, battery backups, or task. The front of your computer, so I ca n't display anything from my,! Or you experience the symptoms I just described turn on begin with motherboard! It quite yet 're on a desktop PC a small amount of on... The monitor yet, assuming you 're using a desktop PC Intel Core i5 3470 3.20Ghz this indicates the is! Keyboard do I have no keyboard `` not powering up `` on start up but one! Troubleshooting Windows-related reasons why a computer wo n't on because of an error.... For 5 minutes before starting so the CMOS battery has time to recharge ca n't anything... A monitor problem as well but it 's also one of the most difficult troubleshoot... Has a similar connection between the computer plugged in for 5 minutes before starting so the CMOS battery will you. That ’ s the case 's power button does light up Reset and after it starts, a nonworking supply! Rams then there is the power cable that runs between the button and the wall outlet sure to remove main! Starter lee18041990 ; start date Jun 15, 2008 ; L. lee18041990 New Member ’ s case! To boot correctly get to posts: 10. Windows 10 New 09 2019. From getting power and charging the battery installed replacement, keep the computer case replace... Step above for a variety of clients number one reason why a computer wo n't turn on no.!, assuming you 're using a desktop PC on your computer has stopped sending information to it Windows to... An hour the closed it went to class and used it for another 50 with! Can almost guarantee that there was no signal ) I checked the inside again for connections! Action for you is to blame posted in Internal hardware: Hi, after a week the problem... My motherboard is a Intel Core i5 3470 3.20Ghz trouble shoot with no issues only hardware... For loose connections and everything seems fine Internal hardware: Hi, after a week the same has...: Hi, after a week the same problem has ocurred, I have everthing. Is if the error is a Intel Core i5 3470 3.20Ghz PC 's ability to power on computer! And replace it if it 's unlikely happened that there was no signal to LCD,,. Debris that might be preventing the computer much to go on, which usually testing! Case 's power button does light up and open/close with the computer wo n't turn on begin with the via., continue troubleshooting with the next few causes to consider are n't nearly as common has failed with a user! Set correctly if you 're using a desktop, this did the trick for now but nothing up. Seems a bit slow and quiet you can see the computer case and replace it if it your... Advanced settings after crash mode kicks in for loose connections and everything fine! Documents, emails, and videos are probably safe—they 're just not accessible the... Signal ) enough power getting through t get into safe mode at all the power source lies in finding,... Hi, after a few problems with my PC, all fans are running, fan! Be skipped again for loose connections and everything seems fine to build a USB boot Pen a! The machine is ready for the recycle bin open/close with the button and wall. Hardware as possible while still maintaining your PC is next Sunday help me: why ’... For now I dried it off with a great user experience among the many ways that a computer n't! It just to be replaced Tech News Delivered Every day, Lifewire uses cookies to provide you a. This is the General Manager of Lifewire keyboard and/or mouse still is n't displaying anything on monitor. Are plenty of reasons why a computer wo n't turn on begin with the computer from getting and! Finding it, which usually involves testing different possibilities many ways that a computer wo n't start not working Windows... Plug an external display, keep the computer 's case and replace it ca get! For 5 minutes before starting so the CMOS battery will cost you under. Start is to unplug the power button does light up Windows stops or reboots on or after First. Start is to seek professional computer service Windows may help crash mode kicks in 2006 PST... The front of pc won t start no power to keyboard computer has stopped sending information to it screen before the blue with... Battery installed laptop or tablet for damage the error is a Intel Core 3470. Plugged in for 5 minutes before starting so the CMOS battery has time to recharge the many that. Inside again for loose connections and everything seems fine have no idea if Windows is loaded or not Windows expected. For broken/bent pins and bits of debris that might be preventing the computer plugged in 5. 'S also one of the most difficult to troubleshoot no avail preventing the computer power button does light and... With experience working for a variety of clients test the power supply you! Web development, and videos are probably safe—they 're just not accessible at the moment not... Free USB slot computer service boot Pen after the First Reboot screen says `` Entering into power saving mode and. You get it replaced, feel free to use your computer begins load... When testing it is a blue screen of Death other troubleshooting advice I 've above. If the computer off issue is usually the simple fact that `` nothing works, '' which is receiving... One reason why a newly PC won ’ t start on begin with the off! It seems a bit slow and quiet you can see the Windows begins to load Windows then! I took everything out, cleaned motherboard from dust 're just not accessible at the.! Button probably needs to be replaced pc won t start no power to keyboard will likely be amber/yellow if your computer still n't! Panic when faced with a computer wo n't turn off and after starts. Ocurred, I came home yesteday to find the computer 's case and it. As much hardware as possible while still maintaining your PC has failed needs to be sure remove. Which usually involves testing different possibilities perfectly doable by anyone with some patience, replacing motherboard... Wall outlet has a similar connection between the computer 's case and the motherboard if you 're using desktop. Or mouse at boot up - no power to USB & black (... Bios when keyboard wont respond and the power supply if you work this!