Question about Compaq Presario 700 470024-192 Notebook

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Blank (dark) screen

When I turn on my Compaq Presario F700 laptop, the screen is black and stays that way. At certain angles, there is limited ability to see things on the screen. I've tried the "fn" f8 button, which has no effect on this problem. Is there anything else I can do?

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Compaq presario 1200 will turn on but the display is blank black
can i get help on these issue.
thanks.

Posted on Jan 03, 2009

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Yes,

But, this requires you to access the screen adjustment buttons on the front side panel bezel or on the side of your screen's panel bezel.

I'll be, owning a few flat panels, the first to tell you that dealing with these buttons is tortuous. The are labeled but poorly, Usually the top or first button is the Menu button. When you press this one you will have the menu displayed on screen. If you don't, your screen is dead and needs replacement under warranty or not. Otherwise, the other buttons are up, down, ok and exit. Figuring out which buttons are which of these is nothing but a headache and frustrating.

You need to access the menu, navigate your way around the many menus until you find the Reset or Restore Factory Presets. Or, even just words to that effect. Once you do find it, pressing it should bring your screen up to normal display, you can do this while your PC is off. After getting the Presets Reset, you could find the brightness and contrast adjustments. Normally, you want Brightness at 100% and Contrast at 50%. Gamma adjusts the white level of your display, so don't mess with that until you are in Windows once again and can see your desktop on your display.

If your screen is tinted either Red or Green and even Blue for that matter your plug at the monitor is loose, use a flat blade screwdriver to tighten the plug down, same at your PC connector.

If you can't get to any of these places after trying everything for a first, second and third attempts, your flat panel has problems and needs service/replacement under warranty or not. LET ME KNOW this so I can assist you.

Other wise if its working again, go to this page and choose a download from link and once this program is downloaded, install it and run the program to make final adjustments or examine the test patterns to see if your flat panel is working as expected or not.

Regards,
Worldveet

Posted on Aug 03, 2008

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2 Answers

My compaq is power on for 2 second and off , how to fix is thank you


You need to print this out-on someone else's computer. Hope it works for you!
Remove the battery and charger/ac adapter/power cord from your Compaq Presario F700 laptop, press and hold the power button for 20 seconds to discharge any residual current inside the Compaq Presario F700 . This clears your RAM and is like a hardware reset. Replace the battery and charger/ac adapter/power cord and turn your Compaq Presario F700 laptop on.

Boot in "safe mode". As it starts up press F8, the computer ask you if you'd like to start in safe mode. Highlight "safe mode" and press enter. See if your laptop is booting up ok .

If your Compaq Presario F700 boots ok, do the following,

Try System Restore first,
Start Menu->All Programs->Accessories->System Tools->System Restore. Choose the most recent date before you the encountered problem. If it doesn't work, try the next date.

If System Restore does not fix it, as a last resort, you might need to fdisk, reformat your laptop hard disk clean and reinstall OS, that usually fixes all bugs. Before going that route, try following,

Uninstall unnecessary programs and applications.

Scan with a antivirus program

Scan with a spyware/malware program

DEFRAG C:

CHKDSK C:

Clean up and repair registry problems with registry repair software of your choice

If the problem persists, did you check if it could be your Compaq Presario F700 laptop power cord or power source problem? Defective or insufficient power supply might cause error messages that are misleading. Take the battery out and power on your laptop with the charger only. Make sure your Compaq Presario F700 power jack and charger plug tip are securely connected. Did you notice the power jack loose? You can find laptop power jack on ebay. Fixing and soldering the power jack requires professional skill though. The charger green/blue LED should be on. If not, replace the defective charger. Compaq Presario F700 laptop battery charger, especially its power cord/cable, lifespan is limited and does not last forever, consider buying a lifetime warranty charger online from company like www.topmic.com

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