Should you leave your PC on or off? Well, it depends on if the PC (personal computer) is in a home or work environment.

CMOS Batteries
Do you know how the time is kept correctly on your computer even when it is off for a few days? It is all due to CMOS Batteries that are placed on the motherboard. Thees batteries, typically non-rechargeable CR2032 versus rechargeable LR2032, last a period of three years which is often the warranty length of the unit. The more times the PC is kept off, the more times the PC has to depend on the CMOS batteries thus reducing the lifespan of the batteries and unfortunately, when the battery fails, it will cause error messages to display during POST. Sure you can press a button on the keyboard to continue but if you need to restart a PC remotely, someone still has to go to the machine and hit a key to continue unless you setup a robot arm as well.

Computer Updates
Leaving a computer on also give the OS (such as Microsoft Windows) the opportunity to search, download and install updates. You antivirus program will also be able to install new definitions and scan your data and programs as well. Keep in mind that HP LaserJet 1022 and Windows Update on Windows 7 at times causes issues so set Windows updates on manual instead of automatic.

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Stephan Pringle

Technology Support Specialist at Sipylus

About The Author: Stephan Pringle is an Information Technology Support Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.

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