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On pressing the power on my compaq presario CQ50-215NR laptop the screen would come on with several large colour bands then it goes completely black. I need help.
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Hi there,
do you still see the compaq logo and does it show you the windows boot up screen before it goes blank?
OR
do you see anything on the screen at all after pressing the power button?
Check if the laptop is receiving power. If it has power and you can't see anything on the screen it could mean that the LCD assembly or the Video card of your laptop is bad.
If it goes to the compaq screen and then to windows logo before going out, try booting into safe mode and once there uninstall the video driver from the device manager because that means the resolution was set to something higher than the display could handle.
If it restarts after showing the compaq screen try reseating the memory, hard drive and wireless card of your computer put them one by one and try turning the compter on after each part you put back to check which component is point of failure.
Otherwise you have a bad motherboard and it may have to be replaced.
Hope this helps!
You're not really turning it off.
You're putting it into standby mode.
Press and hold the power botton down until the screen goes blank.
Once it has shut down completely, press the power button as usual and it should start up.
Sometimes when a PC gets stuck in hibernation mode, the only way to reset it is to remove the CMOS battery for 10 minutes and replacing it. It resembles a large watch battery and is usually located near the center of the motherboard.
when upower up press F8 key then enter in enable vga mode. then set screeen resolution to 1024*768 and if u r not abled to login enable vga then enter in safe mode. then go to start menu run then type in run "chkdsk /r" thats it then restart it then it fix error on hardddisk.
It sounds like your laptop is using it's external VGA adapter for its main display. Try holding down the Function (FN) on your keyboard located on the bottom left hand side and pressing F4 at the same time.
I would go to Compaq.s website. There you can look up youe model and see if it is one of the machines they are doing one time free repairs on. I just shipped out my wife's HP today. Seems there are issues with several compaqs and HP note books. Good Luck
This will only work for VISTA . Click personalize then click on display settings then click on the monitor icon. Put your resolution on 1280 by 800 then press then click on colours HIGHEST (32 BIT) then press ok ....
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