Computer turns off automatically windows 7

Verify the memory modules are properly seated in the memory slots on the motherboard. To do this, open the computer, remove the memory modules from their slots, and gently reseat them. It also is important to note that memory modules are installed in pairs, and sometimes in matching slots, which are designated by matching colors.

Make sure the modules are firmly seated and the clamps on both sides of the modules snap into place. Plug in the power cord and turn the computer on to see if the issue is resolved.

The power supply voltage switch, a small red switch on the back of the power supply, may be on the wrong setting. If this switch's setting is not correct for your country, your computer may automatically power down.

The first thing to do is to consult the Voltage Valet website to discern your country's correct voltage settings. Then, make sure your power supply voltage switch is set accordingly. Verify the power supply is functional.

A faulty power supply can result in not enough, if any, power getting to the motherboard, causing the computer to shut off immediately or not turn on at all. In the event of a bad power supply, the only remedy is to replace it with a new one.

This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question Report abuse. Details required :. Cancel Submit. CmdrKeene MVP. Right-click your Desktop and choose Personalize. What if you want to turn off your computer at 10 PM every night? It lets you set shut down schedule for any chosen date and time as well as it lets you set recurring schedules.

This way, if you want your computer to turn off at 10 PM every night, you can do it using the utility. Your task in Task Scheduler will automatically be triggered at your chosen date and time and will automatically shut down your computer.

As you can see, for each schedule creation, it requires you to go through a number of screens before your task is ready. You might need to completely uninstall your drivers first and then reinstall them. To diagnose and fix all your driver issues in a fast and simple way, try a special tool, e. Auslogics Driver Updater. If your computer is acting really weird and keeps shutting off spontaneously, you should scan your system as soon as possible — such symptoms are indicative of malware infection.

Microsoft Windows Defender is a built-in security solution that can banish unwelcome guests from your computer:. Perform a deep system scan using your main security solution. Make sure you have the latest version of your antivirus software installed. Check your PC for malware your antivirus may miss and get threats safely removed with Auslogics Anti-Malware.

Let a special anti-malware tool join the battle — for example, Auslogics Anti-Malware will back up your main antivirus and force malicious invaders to beat retreat. With time, laptop users tend to run into battery issues. So, if your venerable laptop has become too unpredictable and keeps shutting down without your permission, your battery might be the one to blame for this kind of misbehaviour. Consider replacing your old battery with a new one.

If yes, make sure the device in question is not the root of the evil: plug your computer directly into the power outlet and see if it works properly. If you use resource-heavy programs or apps, you may need a charger with a higher voltage capacity. For example, if your charger is 90 watts or less, this might not be enough — as a result, your PC keeps shutting down spontaneously. Sleep Mode is a great option if it works properly: it preserves energy and lets you wake up your sleeping computer within just a few seconds.

However, Sleep Mode may become dodgy in Windows 10 and cause random shutdowns instead of anticipated sleep. The Fast Startup option helps your computer boot up faster. Unfortunately, Fast Startup may account for spontaneous shutdowns. If unexpected shutdowns keep happening, consider updating your BIOS.