When booting the pc it shows vertical lines across the screen (even the HP invent page has it:-( ). Tried different monitors, same result. Did a full restore and that didn't even fix it.
WindowXP startup screens shows up but than nothing after that.
which component do you think needs replacement?
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the actuall screen LCD is bad.
in most cases.
supper common failure.. 2008 PC.
see page 31 , part 5 here. bingo, change that out.
there are 2 types used, only your full PC part number on
the service tag show this, post that and we go to the HP parts surfer and look it up.
Move the mouse cursor across the lines then check if it shows up fine. If it shows up fine, the problem is in the video card itself, not the monitor. It can be caused by VRAM or GPU overheating. Clean the video card thoroughly. Using a compressed air is a good alternative.
Could be faulty graphics chip or faulty screen. If you can hook up external monitor and picture is fine then probably faulty screen. If external monitor shows same problem the faulty graphics chip. Take to repair shop and let them have a look.
Connect an external monitor to the laptop, power up the monitor first and then bootup the laptop. The Windows image will automatically divert to the external monitor. If the images is OK then the video card is OK. From the description of the fault, it indicates that the fault could be a faulty video cable or video connector. Try reseating the video cable/connector on the motherboard.
Get back to me if you still have problems together with any error messages etc.