On boot up my LCd is fine on my laptop, after a few minutes it starts to go crazy with screen distortion. is this a Grapics card or lcd problem? and howe can i fix it so it wont cost me a arm and a leg?
Uninstalling and reinstalling the video card drivers did the trick for me. this was done in windows, not Safe mode. i got the back light to come on by pressing the power button a couple times, this simulated sleep & wake-up.
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RUN the LCD BIST test D+Power button at boot, see if you get 4 solid colored screens
If you do then the video processor is failing. This means replacing the motherboard.
If issue occurs during the BIST, then the LCD is failing and LCD will need replacement.
These models have known video card problems, so first thing connect an external monitor before booting - boot and see if the image on the external monitor stays on, if it's fine on the external monitor then the LCD panel might be defective, otherwise if you see blurred / distorted image on the external display it's the VGA card. which means you should contact warranty (if you still have) because the mainboard needs servicing / replacement.
for your video problem, you may be stuck in a different mode try holding the Fn key and hit F8 this toggles through the modes 1 - LCD on laptop only 2 - LCD and external Monitor 3 - External monitor Only
if this does not work you may have a LCD issue with the laptop .. let me know how it goes first
There could either be a problem on your LCD screen, or Graphics card, to determine it. Try plugging an external monitor on your laptop and see if the display turns black also on the other monitor. If no, the problem is the LCD, but if yes (still black screen on the external monitor) it means the problem is on the graphics card.
Are you certain the laptop is not booting? I had one the other day, customer thought it wasnt booting, but it was the LCD screen that was bad. She had only a gray screen too. Something to try, with the screen up, put your hand on the top of the LCD (fingers on the plastics on the back side, thumb on the screen at about the same position) about 4-5 inches from the left edge and squeeze gently. Does the screen change at all, vertical or horizontal color lines? If it really is NOT booting, try F12 when first powering up and if you get to the boot menu, choose diagnostics, run them and see if you get any errors.