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The main reason a computer turns off without warning is overheating. If the CPU, processor or any other component gets too hot, the computer shuts off to protect all its components from the heat. More »

www.reference.com Technology Computers & Hardware

When a laptop shuts off by itself, it is potentially caused by one of various issues, which often include an inefficient battery, a computer virus or overheating of the computer itself. It is possible to correct each of ... More »

www.reference.com Technology Computers & Hardware

Power supply failures often cause televisions to shut off by themselves. The problems may be in the television's power system or from the source of power. Problems with cable boxes can make it look like the television is... More »

www.reference.com Technology Television & Video
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To activate magicJack, turn on your computer and plug the magicJack into the USB port. The computer needs to be running Windows XP, Vista or Windows 7. An Intel-based Mac also works. More »

www.reference.com Technology Computers & Hardware

According to the official Windows support site, a reason why a computer running Windows will not shut down may be that a device driver or program is interfering with the standard shutdown process. Closing down all progra... More »

www.reference.com Technology Computers & Hardware

The most common reason a personal computer needs to be reset to factory default settings is the appearance of the infamous "blue screen of death" error message. This has a number of possible causes, but it generally occu... More »

www.reference.com Technology Computers & Hardware

To troubleshoot some common problems with a Lenovo PC, try and restart the computer, and use an antivirus program to get rid of any viruses that could be causing the problem. Check any recently installed programs and dri... More »

www.reference.com Technology Computers & Hardware