Help, guys. Lenovo ThinkPad T14 Gen 1 screen artifacting, RAM or GPU? video

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  • fluffyhat
    Member
    • May 2025
    • 12
    • USA
    #1

    Help, guys. Lenovo ThinkPad T14 Gen 1 screen artifacting, RAM or GPU? video

    Hello, I just replaced a motherboard on a T14 Gen 1 (20S0-0030US), with a 'working' T14 Gen 1 (20S0-005RUS). The screen glitches (see attachment) randomly or under minimal load. I tried running a memtest86 but as you can see it just glitches out before anything can happen. And the only way I can boot the laptop back up is by removing the CMOS battery for a while.

    Any ideas? I'm seeing that you can bypass the on board memory by messing with some resistors, but i'd like to know what the issue seems to be first before doing any of that.
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