Sunday, October 16, 2011

Sleep Mode

Sleep Mode by elineart
Sleep Mode, a photo by elineart on Flickr.

"Sleep mode or Stand by refers to a low power mode for electronic devices such as computers. This modes save significant electrical consumption compared to leaving a device fully on and idle, but allow the user to avoid having to reset programming codes or wait for a machine to reboot. Many devices signify this power mode by a pulsing LED power light." From Wikipedia

*Tip of the day: On windows based computers, do not use sleep mode for a long period of time.

I work with IT support for over a decade, and based on personal experience using sleep mode for long periods such as over night or over the weekend, may cause your computer to become unresponsive. This will cause the computer to lock on a sleep mode state and you may experience a black screen with the power light on, where the computer will not respond to any keys or mouse movements. This behavior may occur with Hibernate mode as well and is very common specially in laptops.

How to resolve this, if it ever happens to you:
Press and hold the power button until the power light goes completely off. In case of a laptop, remove the battery and all wires. Press the power button again with nothing attached to the computer or laptop, and hold the power button down for 10 seconds. Reconnect everything back and restart your computer. If you get an error screen with choices to start windows, you may select "Last Know good configuration".

If your computer is at work and you are going home. Shut it down. If the goal is saving energy it will save more energy then sleep mode. If you are at home and it is time to go to sleep, my recommendation is to shut it down as well. Hope this may be of some help to you. These steps may save you a trip to computer repair shop and some bucks as well... :)
This picture was taken and edited with the Iphone for the Iphone365 project and for the Flickr group Our Daily Challenge ODC- Sleep.
Iphone apps used:
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