Computer was dropped - screen changes colors but nothing is displayed

Where do I start? I see no noticeable damage to the screen - no cracks etc. It fell to a carpeted floor. Can anyone suggest a path to determine if the screen is dead versus something else?
Regards
Bob

HKBob,
try not to laugh - how do I send you an email?
Click on the "spudnuty" at the top left of this post.
I have ordered the cable - should only take a couple days.
It could be that the cable is just disconnected not broken.
some sort of a shim fix - are you aware of this?
That's a failure of the BGA (the way the GPU (graphics chip) attaches to the logic board). Your failure doesn't sound like that. It is possible that the chip itself has failed.
However these posts:
the display is brilliant and alternates colors that fill the screen.
I have gotten it to display some printing (so quick I cannot read it).
make me feel that the LVDS cable is unplugged, damaged.
Richard

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Computer was dropped - screen changes colors but nothing is displayed

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