Have you ever asked yourself “why my computer shuts down randomly and what should I do”? Yeah, a smooth running computer is the hope of every end PC user. However, things won’t always go the way as we like and it is common for you to suffer kinds of error while using the computer. A computer that randomly shuts up without an obvious reason can drive you mad; especially you haven’t recently saved your work. This way, you will not only lose your time, but the productivity and cost can take a real hit. Hence, no matter you are running an old or a brand new computer, you should learn what you should do to prevent and fix random computer shutdowns.
It is quite common for a computer to shut down unexpectedly if you have used it for a very longer time. We all know that if the computer is being running too long, the CPU will become very hot. Hence, some of the hardware will become too hot and fail to respond, which results in the unexpected computer shutdowns. So do remember to let your computer have a break if it is running for a long time and place your computer into a well-ventilated room, and check your fan is always working well if trying to use it properly all the time without shutting down randomly.
Secondly, you need to keep your PC away far away from malware attacks. Spyware is designed to gather your private or business files and information for commercial gains or purposes. It can be hidden from the computer users or even the firewall and silently collect your confidential files, including your ID numbers, email addresses and folder and your family information. Additionally, it makes tracks for your online activities and browser behaviors for gaining the login credentials to online bank account. After obtaining the information, the spyware exploits a background internet connection to transfer the files to a dangerous third- party website for commercial gains. This can drastically slowdown the system performance and break down the network connection. When your computer keeps shutting down unexpectedly, do remember to run your antivirus program to completely scan and remove all viruses from the PC.
Then, it is necessary for you to regularly maintain the hard drive as sometimes a simple hard disk error can also make the computer to shut down randomly. To do this, you can work hard from the below aspects：
* Uninstall all unneeded programs from the computer on time
* Run the Disk Cleanup at regular basic to delete the unnecessary files
* Run the Error-checking timely to check and fix all errors on the hard disk
*Always make sure sufficient available hard disk space
* Defragment the hard disk regularly to speed up data access
After that, you’d better deal with faulty memory. This is one of the most important pieces of hardware within your computer. With the help of the memory, your PC can run quickly by storing data on chips instead of the hard drive. Simply speaking, when the computer needs that data it can quickly be pulled from the RAM. However, some problems with the RAM due to power surges or other hardware issues will make the data that stored on that stick can become corrupted, causing all kinds of problems to the computer including random computer shutdowns or a blue screen with fatal system error c000021a message.
Finally, spend several minutes checking and repairing registry errors inside your system. Lots of computer users will ignore this tip when asking what to do when computer keeps shutting down randomly. First of all, it is necessary for you to understand that registry errors are most of the time the main cause of the slow computer performance. Hence, the last effective way to fix random computer shutdown is to remove registry errors immediately either manually or automatically with a trusted registry cleaning product. Registry is regarded as the brain component of computer system to control the proper running of the computer and all programs installed so that it is better to maintain them regularly to prevent serious errors from occurring on your computer.
In conclusion, to prevent and fix computer shuts down randomly, you should first cool down the computer if it is used for a very longer time, and then check & fix hardware & software errors, followed up repairing any damaged registry entries with a professional registry cleaner utility. Then, you will soon enjoy a computer that runs at stable performance all the time.
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