How to Fix a Computer That Turns On and Then Off

Is your pc turning off via itself right now or at some unspecified time in the future before the running device loads? If so, you will be facing something from an electrical brief to critical hardware trouble. Since there are several reasons that your PC might be shutting off via itself during the boot procedure, it is crucial which you step through a logical troubleshooting procedure just like the one I’ve described underneath. Important: If your pc is, in reality, turning on and staying on, even in case you do not see something on the display screen, see my How to Fix a Computer That Won’t Turn On for extra relevant troubleshooting manual.

Content Summary show

How to Fix a Computer That Turns On and Then Off

This process ought to take anywhere from minutes to hours, relying on why the computer turns off quickly after growing to become on. Troubleshoot the cause of the beep code, assuming you’re lucky sufficient to hear one. A beep code will give you a superb idea of exactly in which to look for the motive of your computer turning off. If you don’t restoration the trouble that way, you can continually return here and keep troubleshooting with the greater ordinary statistics under. Verify that the energy delivers voltage transfer is successful. If the enter voltage for the electricity delivers does not healthy the appropriate setting for your united states of America, your computer won’t stay powered on. Chances are your computer wouldn’t waste energy if this transfer is incorrect, but wrong energy deliver voltage may also reason your pc turn off by way of itself. Check for causes of electrical shorts internal your laptop. This is very frequently the purpose of the problem whilst the computer powers on for a 2nd or but then powers off absolutely.

Important: It’s very critical that you spend the time important to look at your pc for issues that may purpose shorting. If you do not take some time to troubleshoot this opportunity very well, you could emerge as lacking a simple electric quick and alternatively acting expensive hardware replacements in a while for no desirable purpose. Test your energy delivery. Just due to the fact your pc got here on for a few moments does not suggest that the power supply unit for your pc is working nicely. In my revel in, the power supply tends to purpose greater troubles than another piece of hardware and could be very frequently the cause of a computer turning off by way of itself.

Replace your energy delivery if it fails any of your tests.

Tip: If you do become changing the PSU, keep the laptop plugged in for a minimum of 5 minutes earlier than you attempt powering it on. This offers time for the CMOS battery to price a touch. Test the energy button at the front of your pc’s case. If the strength button is shorting out or even simply sticking to the case, it is probably the purpose your computer is turning off by using itself. Replace the energy button if it fails your trying out or suspect it is now not running properly. Reseat everything interior of your computer. Reseating will reestablish all of the connections inner your laptop, which might also have wiggled free over the years.

Try reseating the subsequent and then see in case your laptop stays on:

Reseat all internal records and power cables
Reseat the reminiscence modules
Reseat any growth cards

Note: Unplug and reattach your keyboard and mouse as nicely. There is little risk that both ones are the purpose of this problem, but we shouldn’t overlook them whilst we’re reseating everything else. Reseat the CPU only in case you suspect that it’d have come free or may not were set up nicely. Note: I call this out one after the other only because the hazard of a CPU coming loose may be very slender and because putting in one is a touchy task. This isn’t a huge challenge in case you’re careful, so do not worry! Start your PC with important hardware handiest. The purpose here is to dispose of as good deal hardware as feasible whilst still preserving your pc’s ability to power on.

If your computer turns on, and stays on, with crucial hardware best, proceed to Step nine. If your laptop keeps showing off by using itself, continue to Step 10. Important: This troubleshooting step is straightforward enough for every person to finish, takes no unique equipment, and gives many very precious facts. This isn’t always a step to bypass if, after all the steps above, your computer is still shutting off with the aid of itself. Reinstall every piece of nonessential hardware, one element at a time, trying out your computer after each installation. Since your PC is powered on with the handiest vital hardware set up, the one’s additives are running well. This means that one of the devices you eliminated is inflicting your laptop to show off through itself. By putting every device lower back into your pc and checking out after each setup, you will ultimately discover the hardware that brought on your problem.

Replace the defective hardware once you’ve recognized it. Our Hardware Installation Videos may are available reachable as you’re reinstalling your hardware. Test your PC using a Power On Self Test card. If your computer keeps to power off by itself with nothing however important PC hardware mounted, a POST card will assist become aware of which piece of ultimate hardware is guilty. If you do not already own and are unwilling to buy a POST card, skip to Step eleven. Replace every piece of essential hardware on your laptop with a “recognized accurate” same or equal spare piece of hardware, one element at a time, to determine which piece of hardware is causing your computer to shut off routinely. Test after each hardware substitute to decide which device is defective.

Note: Most regular pc customers do not have a group of running spare laptop components at their disposals. My advice is to revisit Step 10. A POST card isn’t always highly-priced and is a miles extra reasonable method than stocking spare pc parts. Finally, if all else fails, you’ll, in all likelihood, need to are seeking expert help from a laptop repair provider or your pc producer’s technical assist. Unfortunately, in case you’re without a POST card and additionally, without spare components to change in and out, you have left no longer understanding which piece of your critical laptop hardware is defective. In these cases, you have little choice but to rely upon people or organizations with those assets. Note: See the remaining tip below for statistics on inquiring for greater assistance.

Tips & More Information

Are you troubleshooting this trouble on a pc that you’ve built? If so, triple-check your configuration! There is a appreciably more risk that your computer is turning off by using itself because of a misconfiguration and now not an actual hardware failure. Did I leave out a troubleshooting step that helped you (or may assist someone else) restoration a laptop it truly is turning off by itself during the boot procedure? Let me understand, and I’d be satisfied to encompass the statistics right here. Is your pc nonetheless shutting off mechanically even after following the troubleshooting above? See Get More Help for information approximately contacting me on social networks or through email, posting on tech support boards, and extra. Be certain to tell me what you’ve already performed to try and repair the hassle.