Question about Computers & Internet
Compaq presario cq42 stop working, Caps Key led blink once, this means CPU not functional alarm, i replaced CPU, but still dont work
Posted by Anonymous on
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Posted on Jan 02, 2017
open the laptop and bring out the keyboard .
whash it with Alkohol and after 20 minuts dry it
and after 3 hours install it and test.
if dosent solved i have it .i can send u
Posted on Jun 09, 2009
On most Compaq's of the CQ42 model type, there should be a little light on the top right hand corner of the touchpad, not much bigger than a pinhead. When the touchpad is active the light is out so you shouldn't see the lamp. Quickly double tap the area on the lamp and it should light up. This is an indication that the touchpad is now not active.
Posted on Jul 22, 2010
SOURCE: how to adjust brightness of
You can do this with function keys for that model. The letters may be different, if they are, refer to the pics of the keys; they are always the same.
From the Windows desktop, hold the Fn key and press the f7 key to increase or the f8 key to decrease the brightness of the display.
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Posted on Jan 06, 2011
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