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Dv9000 f4 display

Last response: in Graphics & Displays
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Anonymous
June 21, 2010 8:18:29 AM

Hello,
does not display on main screen but display on external lcd monitor

More about : dv9000 display

June 21, 2010 8:23:28 AM

hmmm... might b a screen prob... not sure cos its a laptop
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June 21, 2010 8:25:33 AM

isnt it displaying anything on the main display? or just wen u connect the other one?
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June 21, 2010 4:55:53 PM

Press the FN F4 key, which toggles between the LCD screen and the external LCD, you should get the intenal, the external and then both screens. Some times the switch to turn off the internal screen hangs so open and close the laptop. The graphics on the laptop works. There were some issues with the NVidia graphics failing a few years ago due a defect. Check the HP site to check it your computer was among the ones effected. The video cable of the invertor fot the backlighting may have failed, unless you have a LED back lighting. The the invertor is not expensive, but its' replacement requires that the laptop to be disassembled.
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January 17, 2011 2:56:14 AM

It's not easy to get to, but I replaced the CPU on mine and it worked fine.
I had the no display, no post, no boot issue. (Of course, there's always that 10% chance that all it was was a bad connection and taking it apart and putting it back together was really the solution. After I test the CPU in question with another AMD laptop, I'll post back.)

EDIT: I'm sorry, this information is not relative to you as you were able to post, boot and view on an external monitor. In which case, you would need to put the laptop under a bright light and let us know if you can see any faint video on the screen.
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