Computer screen wont turn on

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If your computer monitor displays a black screen and no picture when you turn on your computer, the following steps may help you troubleshoot or repair the problem. If you have a laptop, see our laptop screen is black page, see: My laptop computer screen is black. If your monitor initially works when you boot your computer and then goes blank when Windows starts, see: How to fix distorted video after increasing resolution in Windows. It may seem obvious, but first, make sure the monitor is turned on. If you don't see a power LED light-emitting diode blue, green, or orange light on the monitor's front or bottom, press the power button again. If no light comes on after several attempts, proceed to the next section. If you stepped away from the computer for a bit and returned to a black screen, the computer is likely asleep.

Computer screen wont turn on

What to do when your computer starts but the screen is black. The most common way that a computer "won't turn on" is when the PC actually does power on but doesn't display anything on the monitor. You see lights on the computer case, probably hear fans running from inside, and may even hear sounds, but nothing at all shows up on your screen. If your computer is, in fact, showing information on the monitor, but is still not booting fully, see How to Fix a Computer That Won't Turn On for a better troubleshooting guide. Try these common fixes in the order we present them:. Test your monitor. Before you begin more complicated and time-consuming troubleshooting with the rest of your computer, make sure your monitor is working properly. With the monitor disconnected from your computer, turn it on and off. If the display shows diagnostic information of any kind, you know the display is powered and is capable of displaying content. Verify that your PC has completely restarted and is powering up from a completely powered off state.

Rolling back or updating these drivers may fix the problem.

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Your first reaction when discovering your PC won't start is probably to panic, but the issue often isn't catastrophic. It's likely a mundane and easily fixable glitch. There are a lot of reasons why your computer won't turn on, and a lot of definitions of "won't turn on," ranging from "nothing is happening at all" to "Windows won't start properly. A common issue that can prevent your PC from turning on is a problem with the power — either the internal power supply is faulty or there's no power coming to your computer. Sometimes, it could be that the computer is turning on, but there's a fault with the display or there are some unusual settings that are interfering with the boot sequence. It could even be the work of a particularly nasty piece of malware. Your computer may also have loose components inside, or you attached a faulty piece of hardware that malfunctions during startup, leading to a premature shutdown.

Computer screen wont turn on

Jonny Lin. And more importantly, you can fix this issue…. You may not have to try them all; just work your way down the list until you find the one that works for you. Your laptop screen may have accidentally been disabled. If your laptop screen is still not working, you should try connecting your laptop to a monitor. If the external monitor is working, then there are a few things you should try:. Your laptop screen issue may be caused by wrong or outdated device drivers.

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Ellie Zhuang. Restart PC. If your computer beeps and does not start, there might be a more serious hardware issue. Test your monitor. Reviewed by Michael Barton Heine Jr. Clear the BIOS memory. Reinstall Windows. Please let me know which method helped you, or if you have a better idea on how to fix this issue. That is all about how to fix the computer turns on but no display error. Verify that the power supply voltage switch is set correctly. Tip: If this method solved your issue - the computer starts but the screen remains blank, make sure any future changes you make in BIOS are completed one at a time so that when the problem returns, you will know which change caused the issue. Once replaced, see if the new power supply resolves the issue. Consider taking out the RAM and cleaning it, as dust can sometimes cause issues with the display. Tip: If you successfully boot your PC in Safe Mode, restore your data with reliable data recovery software, such as Stellar Data Recovery Software to prevent future data loss.

First, check the battery, power supply, and screen, then look for overheating issues. Jump to a Section. While it may be scary, there are often straightforward solutions to get your laptop back in working order.

If the monitor, video, and motherboard are found to not be the problem, the power supply may be faulty or not supplying enough energy to the computer. A beep code will give you a very good idea of exactly where to look for the cause of your computer turning off. You must submit the system to a service center for further diagnosis. There are many factors that can cause Windows booting failures, like corrupted or missing Windows system files, registry, and more. Check your connections. I have the same question If you find them, then you'll need to investigate the causes of those electrical shorts. Most importantly, you can enjoy a free Security Zone and G cloud storage. Try removing the video card from the affected computer and installing it in another computer. Reconnect Monitor to Computer Another potential source of the "PC turns on but no display" issue could be