Puevig reven
New member
I have a 820-2879 with no power to one USB port. No water damage, I measured PP5V_S3_RTUSB_B_ILIM at pin 6 of Q4690 and I get .070 and pin 7 measures 5.0V. I replaced Q4690 and same thing. I also have 3.3 at both enable pins on Q4690. Any ideas???