Re: Thinkpad X1 Carbon gen2 (LMQ-1) no power




Interesting... I guess the VCCCPUCORE rail is likely intact then....

Re: Thinkpad X1 Carbon gen2 (LMQ-1) no power

Were you able to confirm whether all voltages come up correctly and what they're supposed to be? I'm also tinkering with a broken X1 Gen2 (power button flashes a few times, fan spins momentarily, nothing on screen) and I can't figure out what "VCCCPUCORE" is supposed to be. U16 should be generating it and when I measure the voltage on L1, I get ~1.75V for 500ms after pressing the power button and 0V after that. This seems odd to me since VCore for an [URL="https://valid.x86.fr/0jhu9i"]i7-4600U CPU is 0.68V[/URL], not...