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HP TC1100 - Screen blocky and distorted - PC Desktops

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  • clanwarrior Mar 08, 2008

    To headtreads

    Couldn't get to work. Took it to a guy who advertised repair in the local paper, to no avail.

    I've heard it is a common problem with this model and there are 3 offered on eBay with the same problem. They are items

    # 380001186332, & # 300203047821, and # 320224690245.

    Thanks

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If the problem appears as soon as the computer turns on, eg in the bios stage before windows even loads, then it is a hardware fault. I had the same problem with my tc1100.

Good news is that it can be easy to fix. The problem is with bad connections on the bga for the video chip. All you need to do is reflow the main board.

#1 remove the main board from the computer
#2 remove anything on the main board that is not nailed down. (heat sinks, the pcmcia bracket, ALL THE TAPE* on the board)
* I didn't remove a piece of tape that was sitting on the connector to the side buttons and power switch. After I heating up, it warped and pulled the connector off the pads. It was then a ton of extra work to get it reseated because I don't have a hot air station.
#3 Reflow in a toaster oven. There are a few good guides on the net but the main point it bring it up to temperature and let it cool down slowly.
#4 Reassemble and enjoy.

Posted on Jan 13, 2010

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It sounds like you have either haved a bad video driver or the wrong driver. Try going to your computers manufacturer and see if you can find the right driver. Here is a quick link to the page http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=376812&lang=en&cc=us&prodTypeId=321957&prodSeriesId=376810&taskId=135. If you already have a driver installed, that is fine. Find the right driver for your operating system. Instead of running the download right away, SAVE it. Saving it to your desktop is fine. Now, Uninstall the driver and reboot. When you load windows again, install the new driver. I hope it helps. Let me know what happens.

Posted on Feb 27, 2008

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