My new 7840U board arrived today, but it would not display anything on the screen (or external displays) at all. No BIOS, no nothing. Blink code is wggggggggggggrbgbggggg. The first thing I suspected was the Crucial 2x16GB 5200MHz RAM kit I installed, which isn’t on the compatibility list. I figure…

AMD 7840U Not Posting

HoppySpadge November 16, 2023, 4:27pm 5

Just in case anyone is following this thread - I changed RAM to 1 x 32GB Crucial DDR5 5600Mhz and the laptop works fine.

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