Question about Compaq tc1100 Tablet PC

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TC1100 checkered screen

Hey Blaino, I interested in getting a tc1100 repaired with the infamous checkered screen syndrome. Now it will only boot in safe mode and the checkered screen is there to stay. Not sure exactly how to go about fixing it; cables or system board. I don't know where I might be able to find a replacement system board. Can you offer any advice on this or maybe even repair my tc1100 for a fee?

Thanks very much for your time.

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  • myhicks Jan 19, 2009


    • When I got my TC1100 I thought it was the world's most perfect PC answer. Approximately 2 months after I received it the pc began to overheat and the screen began to flicker. I ignored it thinking it was a new computer issue - this issue did go away. However, after about 6 months the sytem began to overheat again, so I began to use it less. Months later the screen began to blink a black and red checkered pattern sometimes. The problem would clear up if i let it sit unplugged for a while. When it no longer responded and I called HP Tech Support is was exactly one month after my warranty expired, and it would cost at least $100 just to have them agree to look at it. In one of my attempts to get the computer to cooperate I managed to wipe part of the operating system, so now I need to have the system checked and the operating system restored. Any suggestions?

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  • 24 Answers

Could be a bad ram chip as video uses the system board ram for video. You will have to crack the case and swap the ram for a known good stick. Be very careful!
Unfortunately the onboard video card may be bad, usually the problem.
I could crack it and check it for you, you pay shipping. I have the RAM.
Contact me at brianrosshill@aol.com with "TC1100 repair" in the subject line.
I love the machine and you shouldn't have to pay a fortune to get an opinion.
I don't offer this service to any other group, machine or etc. Just the tc1000 and tc1100.
I'll answer your email and suppl contact info. I've been into several of these machines, no worries Mate.
Central Missouri, USA

Posted on Sep 22, 2008

  • I-Aurix-l Jul 21, 2011

    Unfortunately Fellow TC User, the problem relies in the Keyboard port area whereas when u use the tablet with the keyboard, it somehow creates a hairline crack in the gpu area, which gives off that corrupt look. i found a light fix that you could use, with the ext. keyboard connected to that port, flip it into laptop mode and lightly pull back while turning the tablet on. In doing this, it aligns the crack just enough to let the bridge to recognize the gpu as OK, thus removing your checkered screen and allowing windows to detect it as a regular gpu. If it fails, slightly back more while turning on, but not too hard as it could crack the keyboard frame (thts how i lost my keyboard :/)

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