Question about HP Pavilion dv4000 Notebook
I have the pavilion DV4000 laptop. When I power it on, I can hear the laptop starting up but on the lcd the only thing I get is thin colored lines that fade into a solid white screen. When connected to an external monitor, the video shows up well, but the laptop screen is still white. I changed the inverter, reseated the memory and tried reinstalling the video card driver but still nothing but a white screen on the laptop. This is what I know: The laptop memory is ok, the video card works on an external monitor, the laptop boots and runs well. Could the problem be a dead lcd or a bad video cable? Thanks for any help
Yes, it could very well be a dead LCD unit. I have a LCD in a laptop in the office that has a nasty line running down through the entire screen. We contacted someone about replacing just the LCD portion of it and they said - don't bother. They said it would be more prudent to wait until it dies, and then upgrade to a new computer. It is the nature of the LCD units themselves, when they give up the ghost they give up the ghost.
The fact that you can see everything fine on an external monitor shows that you have lost your LCD. The odds of the cable inside the machine going bad are minimal/tiny to say the least. If they were exposed cables such that they could get crimped, then possibly that could be the culprit. With them being routed inside the unit, it is almost impossible for them to get pinched.
The only other option, and this only works if your machine is still under warranty, is to have HP fix it as part of your machines warranty. BUT, not all warranties cover the screen anyhow. The laptops I have bought required me to purchase insurance on the screen itself.
So, you'll have to determine if you can manage with the external monitor all the time or if you need a new laptop.
Sorry it is not good news for you.
Posted on Jul 23, 2008
The problem is with the inverter or screen. Since you changed the inverter, the screen is the only thing left. The cable will not cause this, it will cause the screen to blank out completely. You need to replace the screen.
Posted on Jul 23, 2008
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