why does my computer shut down by itself

Why does my computer turn off without warning? This document is for computers that turn off and remain off after an extended period of use. It is not for, or. Some of the steps below require you to work inside your computer. Before opening your case, be aware of the dangers of. Most computers today are designed to turn off automatically if any of its inner components overheat. Often, heat related issues occur when the computer is working hard, e. g. , playing a graphically intense computer game. Start by verifying the fan on the is working by examining the back of the computer. The fan should be moving quickly and smoothly. All other
in the computer require you to to inspect them. Once you have access to the inside of your machine, examine the processor ( ), and. If you have heard any abnormal noises coming from your computer, such as a high squealing sound, it could be an indication of a fan malfunction. If you find that the fan in the power supply is not working correctly or at all, and the power supply is very hot to the touch, you may need to replace the power supply. An overheating power supply, due to a malfunctioning fan, can cause a computer to shut off unexpectedly. Continuing to use the faulty power supply can result in damage to the computer and should be replaced immediately. If your issues are on a, we do not suggest opening the computer. Instead, verify the fan on the side of the computer is working and blowing out hot air. Also, with a laptop, you may want to invest in a to help lower its running temperature. Working on the interior of your machine provides an opportune time to. Dust, dirt, hair, and other trapped debris can prevent proper air flow, which may lead to overheating. If your monitors the of the fans, and make sure the BIOS does not report any errors. Software utilities such as can also be used to help monitor fans in your computer. Check the processor heat sink to make sure it is properly seated and has the correct amount of thermal compound. If you do remove the processor heat sink, should be cleaned off and new thermal compound should be applied. Before attempting to remove any hardware, rule out hardware conflicts by.


Any failing component in your computer could cause your computer to unexpectedly turn off without warning. If you have recently added any new hardware, remove it from the computer to make sure it is not the cause of the problem. If you have not recently installed any new hardware into the computer, the next best solution is to systematically remove non-essential hardware. For example, remove your modem, network card, sound card, and any other expansion cards that are not needed for your computer to operate. Running the computer without these cards may help diagnose your issue. Make sure any or Uninterruptible Power Supply ( ) is not the cause of your problem by connecting the computer directly to the power outlet on the wall. Also, if you have a UPS that connects a cable to the computer to manage power saving features, make sure it is also disconnected. If this resolves your problem, you may have a defective surge protector or UPS. In the case of the UPS, there may be other issues, such as a UPS overload or UPS drivers, reporting bad power situations that cause your computer to shutdown. Make sure there are not too many devices connected to your UPS and that it has the latest software updates. Your computer may be infected with a or other that is designed to shut down your computer upon certain conditions. If your computer seems to be turning off when executing a certain program at specific times of the day, it could be infected. If you believe your computer may be infected with a virus,. If you already have one installed, make sure your, then run a full scan. If after following each of the above recommendations your computer still continues to shut off, it is possible you are experiencing a problem at the operating system level. To see if this is the case, try the steps below. Reboot the computer and as the computer is booting. After you have loaded the computer in CMOS setup, let the computer sit. If the computer does not turn off after staying idle in CMOS, your operating system installation may be corrupt. We recommended that you. If your turns off abnormally during (or just after) installation of your, it is likely that other is failing in the computer.


Often, the hardware causing the issue will be either the, or, in that order. If you have extra parts or know someone who has a similar configuration that allow you to try their hardware in your computer, you can swap each part to determine if it is at fault. Otherwise, you need to have your computer serviced. Does your computer keep turning off unexpectedly? Don t worry. In this post, we ll show you how to fix this annoying problem. P The problem can be caused by different issues. So there re several methods to fix it. Just try thePmethods one by onePuntil you have the problem solved. All methods apply to Windows 10, 7, 8. 1 8. P After the computer shuts down, if you can t turn it right back on, there mightPbe a power problem with the power supply. If possible, try a different power supply and see if the problem persists. Fast startup may be the cause of the abrupt shutdown. So check if it is turned on. If yes, turn it off. Follow these steps: 1) Open Control Panel. 2) View by Large icons and click Power Options. 3) In left pane, select Choose what the power buttons do. 4) Click Change settings that are currently unavailable. 5) Scroll down to the Shutdown settings. If you see option Turn on fast startup is checked, click to uncheck it then click Save changes button. To fix the problem, you can try to update the motherboard drivers. There are two ways you can get the right drivers for your motherboard: manually or automatically. Manual driver update P You can update your motherboard drivers manually by going to the manufacturers website, and searching for the most recent correct driver for each. Be sure to choose only drivers that are compatible with your Windows version. Automatic driver update P If you dont have the time, patience or computer skills to update your motherboard drivers manually, you can, instead, do it automatically withP. P Driver Easy will automatically recognize your system and find the correct drivers for your motherboard, and your Windows version, and it will download and install them correctly and install Driver Easy.


Scan Now button. Driver EasyPwill then scan your computer and detect any problem drivers. Update Pbutton next to one device to automatically download and install the correct version of that driverP(you can do this with theP FREE Pversion). UpdatePAllP all Pthe drivers that are missing or out of date on your system. (This requires theP Pro Pversion which comes with full support and a 30-day money back guarantee. PYoull be prompted to upgrade when you click Update All. ) Overheating system is a common cause of abrupt shutdown of Windows. The safe temperature should be 45-50 degrees. And the maximum temperature should be not overP Celcius. You can check the system temperature in BIOS (Basic Input Output System). But note that not all BIOS will display this information. If you are not sure how to enter BIOS, google with key words brand name + Penter bios to find the steps. It s recommended that you follow the steps in the manufacturer s website. P You can also use a free utility to view the temperature. PIf you are not sure which utility is good to use, we recommend. It s produced by CPUZ and you can trust it. If the temperature is high (over 60 degrees Celcius),Pyou can do below two things to make a change about it. Clean the computer Too much dust can cause computer overheating. So try to clean the computer especially the fans and the filter. Check if fans are running If the fans stop working, the temperature will be higher than normal. So open the case and ensure the fans are running. If the fans are broken, you might need to replace it with a new one. You can download and install the new BIOS utility from PC manufacturer s website. The steps to update BIOS are complicated. You can get the detailed steps on the manufacturer s website. Just google with brand name + update bios to find the instructions. Updating BIOS incorrectly can render your computer unbootable. PIf you are not a computer savvy,it s recommended you to take your computer to the near repair store to have it fixed. Hope the methods above help you fix computer shutting down randomly issue. You are welcome to leave any comments below.

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