There are no PS/2 options either. 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). Broken Keyboard. I bring this up again to help stress that this troubleshooting step should not be skipped. Computer stops or continuously reboots during the POST. I spilled a small amount of water on my keyboard this morning around 11:45. 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. Believe it or not, a bad CMOS battery is a relatively common cause of a computer that looks like it's not receiving power. Your monitor light will likely be amber/yellow if your computer has stopped sending information to it. The DVD drive does light up and open/close with the button. Remove the main battery in the laptop or tablet and try using AC power only. Unplug your computer immediately and skip the testing. Plug an external keyboard and/or mouse into a free USB slot. Computer powers on and then off. What to Do When Your Computer Won't Start If your computer won't start, don't panic (yet). Carefully inspect the power receptacle on the laptop or tablet for damage. There is the chance that your PC isn't receiving power because of a serious issue, but it's unlikely. Much appreciated. What should I do? 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. Putting a real "load" on the outlet, like a lamp, is a better option. Be sure you've exhausted all of the other troubleshooting advice I've given above before replacing your motherboard. 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. My PC was running fine. 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. 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. Computer won't power up ---- no green light, no fan activity by byroncherry Feb 24, 2006 9:26PM PST. 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. Windows begins to load but stops or reboots on a BSOD. You won't see anything on the screen and you may or may not hear beeps coming from the computer before it shuts off by itself. What to do when a Windows PC won't start. I stayed on my computer for an hour the closed it went to class and used it for another 50 minutes with no issues. "PC does not respond to keyboard input or random unwanted keystrokes occur." 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 … 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.. Did we miss a troubleshooting step that helped you (or might help someone else) fix a computer that's not showing any sign of power. 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. Computer shows no sign of 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. Before starting a sometimes time-consuming troubleshooting process, make sure you've turned on every power switch and power button involved in your computer system: Check for disconnected computer power cable connections. 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. 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. Then it was working fine. The next time I can get on another PC is next Sunday. Among the many ways that a computer won't turn on, a complete loss of power is rarely the worst case scenario. Same with reboots after the powerup sequence mentioned. This indicates the monitor is powered but not receiving any signal. Some motherboards have tiny power buttons built into the boards themselves, providing an easier way to test the case's power button. 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. Tim Fisher has 30+ years' professional technology support experience. Even though your computer runs on a battery, you should make sure that the AC adapter is plugged in properly, at least during troubleshooting. You should, however, test it just to be sure. Your files are probably OK. Believe it or not, the number one reason why a computer won't turn on is that it wasn't turned on! Receiving a BSOD error is a common reason why a computer won't turn on. Windows stops or reboots on or after the login screen. Get the Latest Tech News Delivered Every Day, Lifewire uses cookies to provide you with a great user experience. 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. The next few causes to consider aren't nearly as common. If so. Even if you don't regularly use the power cable, if it has failed, it means that it hasn't been charging your battery. 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 `` Actually, this is the chance that your PC 's ability to power on your light... Stopped sending information to it while perfectly doable by anyone with some patience, replacing a if. 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