Question about Compaq Presario 700 470024-192 Notebook

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My computer turns on sometimes the quickly goes blank. Other times, the On light comes on but the screen stays black and nothing seems to be moving inside.

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Try to desconnect or unplug your hard drive, if you see a black screen with a bunch of white letters, you hard drive is crashed, if not try to conect a second monitor (external) tru you vga connector, if work fine you have a lcd problem===>>>reemplace asap.

Posted on Dec 03, 2008

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The monitor goes black but the power stays on.


It sounds as if you have a loose connection on the ribbon cable going to the screen, or under the keyboard. To check the latter, gently press on the group of keys on the left side of the keyboard

QWERT
ASDFG
ZXCVB

If the screen comes back on, then the problem is with the connection under the keyboard. If not, the problem could be with the connection behind the screen. Also, there could be a problem with the inverter. Hope this helps.

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The laptop most likely get worst over time until the screen will appear black permanently.
You could have a faulty CCFL lamp or inverter, To determine if you have a LCD screen, inverter or video card problem, read this and follow these instructions.
Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp.
Connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out
www.lcdparts.net
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1 Answer

Screen stays blank when turned on


take your computer to your dealer and send it for repair.

The problem is most likely the inverter for the screen.
actually to see if that is the problem you can try to put bright light to the screen and see if you barely see the picture.

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Screen is blank or black


it maybe sounds a little like a problem in explorer.

try to start you computer up, press F8 within the windows loader appears. then select :start up the same way as last time it worked.

now it should work. if not then format the pc.
if you have a lot of important stuff on it you can download the ubuntu livecd and use it the get all of your stuff out of the disk.

hope that works.
CS.

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