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    Display flickering after login 820-00165

    No luck with rehotting unfortunately. I have let my customer know the board must be laid to rest. Thank you very much for your help!
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    Display flickering after login 820-00165

    It did seem odd to me. When I had nothing else to point to, I was thinking, if it were an integrated graphics issue, it should affect external display too. Could it just be a cold joint somewhere on the cpu? Worth a reflow or an extra ultrasonic just in case or is it more likely to be a cpu ic...
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    Display flickering after login 820-00165

    The theory about the video driver seems correct. Windows2go boots and the machine passes in-platform memory/cpu/2d graphics tests. Things fall apart when the graphics driver is loaded and the screen starts flickering again.
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    Display flickering after login 820-00165

    Yes, I waited until the flicker was happening to take those measurements. I did a ram test a few days ago using memtest for 4 full passes and got no errors. I tested it to be thorough but i also figured it would affect the memory reading in the system specs or the system functionality as a...
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    Display flickering after login 820-00165

    Safe mode does the same thing but hangs on login loading page much longer 3V3_S0SW_LCD = 3.298V steady DP_INT_HPD = 2.692V steady D7701 - pin1 = 8.57V pin2 = 24.63V and both steady
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    Display flickering after login 820-00165

    Thank you! Long time listener, first time caller. I appreciate you taking the time. I have reset pram repeatedly and have tested with a test internal OSX drive as well as external USB Linux platform. The problem presented itself in both cases. Is this sufficient or should I try USB osx too? I...
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    Display flickering after login 820-00165

    Hey guys, I have an issue that I'm hoping someone can please help me with. It is an 820-00165 which has a flickering display after logging in. During startup, the apple logo is displayed and the machine loads to the login screen. After logging in, just before the loading bar completes, the...
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