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Screen won't turn on, HP Pavilion dv7-1157cl Computer turns on, but screen won't

#1 ajay59

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Posted 29 October 2011 - 07:36 PM

This was given to me by a friend. Computer turns on and seems to boot, but screen won't turn on. All lights turn on, hard drive seems to spin. I tried a external monitor, nothing. Tried turning the laptop on, pulling the battery, shutting it down and restarting it after 20 seconds, nothing. It is a HP Pavilion dv7-1157cl Notebook, Vista, 4GB RAM. Anyone have this problem before? I would love to fix this laptop.

#2 jhayz

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Posted 29 October 2011 - 10:27 PM

The chipset video might be busted since both video output are black.

#3 ajay59

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Posted 30 October 2011 - 09:55 PM

Your saying, replace the motherboard?

#4 hamluis

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Posted 31 October 2011 - 12:02 PM

What did your friend say...the problems are/were?

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#5 ajay59

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Posted 31 October 2011 - 02:26 PM

He finished using it, shut it down and the next time he went to boot it the screen never started. It looks like it boots up, don't here any sounds, but all the lights come on and hard drive light flickers like its working. There is a HP logo that lights up on the cover. Tried hooking an external monitor to it, but nothing. Thanks for your help.

#6 jhayz

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Posted 31 October 2011 - 09:57 PM

Quote

. I tried a external monitor, nothing

There are function keys on keyboard to enable external monitor to work or display. Other thing on laptop screen problem is the LCD Video cable could be loose or faulty.

#7 ajay59

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Posted 03 November 2011 - 08:38 AM

I have thought about looking into the loose video cable. Going to take it apart this weekend. Do you know what functions keys enable the external monitor? I will look it up on Google too.

This post has been edited by ajay59: 03 November 2011 - 08:40 AM