method One:
1, to see whether the anti-virus software to kill the virus, you can determine whether it is a computer system poisoning or the cause of malware, if there is a virus, the proposed combination of anti-virus software anti-virus, or not, reload or restore system, can be resolved.
2, download the Master software, test the temperature of the hardware of the computer, open the chassis, look at the CPU fan, video card fan rotation is normal, detect problems, change the CPU fan can.
3, if the computer added a separate video card, power supply is not enough, it can only change a more powerful power supply, the power supply for a long time, unstable, that also need to change the power to test.
4, shutdown, with the hand touch down the motherboard South Bridge, North Bridge chip, graphics chip, if it is hot, that is likely to be broken, to send repair.
Method Two:
1, the first to use a comprehensive anti-virus software to check, to see if the virus, if found out, direct anti-virus to fix;
2. Check if the system file is corrupted, click Start Menu-Attachment-command prompt-run as administrator, and then try to verify and repair with chkdsk command;
3, if the relevant machine software words, first all directly to uninstall the test;
4, if the problem is driven, we can upgrade the driver to solve. We recommend that you download a driver wizard to detect the driver problem;
5, other problems caused by computer automatic shutdown.
For example, hardware problems, will also lead to computer automatic shutdown, such as the computer's restart button has problems, often bad contact, power supply voltage instability, heat dissipation problems, loose memory, hard disk is likely to have problems computer automatic shutdown.