laptop appears with lines and keep rebooting

August 24, 2010 at 10:29:04
Specs: Windows Vista
I have a 5 year old vaio fe21m series laptop and suddenly when powering on,
green vertical lines appear in the middle of the screen and windows xp starts
to boot and reboot endlessly with sets of 4 grey or green vertical lines on my desktop
backgroud screen, tried removing my memory module one at a time, but that did not solve it
wonder what to do next, any ideas?

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August 25, 2010 at 05:39:06
Try connecting an external monitor to the laptop. If it also shows the same symptoms then the graphics chip is going bad. This assumes you see these lines immediately upon starting. If the lines appear only after Windows is starting then the graphics driver MAY be corrupted, or it still could be the graphics chip.

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August 25, 2010 at 13:37:23
thanks for your reply, initially, a set of green intermittent lines appear in the vaio logo screen in the middle, then windows tried to start with sets of 4 lines all across the screen, but the lines stays in grey in blocks of four vertical broken lines, and then windows keeps rebooting at the chkdsk stage
tried restarting laptop several times using f8 to enable vga mode but no luck, i believe it might be the graphic chips have been damaged because it seems hot before it went blank
anyone know how to mend a damaged chip?

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August 25, 2010 at 14:50:36
As I stated, try an external monitor. Connect to the VGA port on the back of the laptop.

There is no fix for a defective graphics chip. Requires a new motherboard.

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