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Hello,
Thank you for your reply!
I have a similar defect problem as you have described in a forum article. 820-00281-A Critical Update and Touchbar doesn't work. Similarly the keyboard backlit is missing and the touchbar is not working. The motherboard has suffered water damage.
I would be...
There is no sound at startup, the system does not detect any audio devices. Power supply feeds 4.5v in on the audio codec chip. To be sure, I replaced the U6200/01. I think everything is present in U6201
Hi, 820-3115 with liquid damage, does not detect audio devices. No input/output devices found. I can't find out what the problem is. There was serious damage around the U3300, and I had to put in several bridges to power the L6611 and R6610.Maybe something in the layers themselves is hurt!? I'm...
Hello JohnB, thank you for your reply. Bad news. The defect is present on an external monitor. CPU, the whole area looks clean. Does it make sense, to wash it in the ultrasonic tub?
Hello,
There is a disturbance in the screen image.
A Brief History: Small Water Damage. The motherboard did not start. Corrosion near U2500, U3210. light heat in U3900 and U2800. I replaced the C2411 and the board started. I also replaced C3280.
then these strange pixel bars are present. Their...
Hello, I need help fixing bios data.
A Brief History of My Problem: The MBP had a defective RAM slot with the characteristic sound signals for a defect ... After fixing, the system dies with Initialization. SIL remains frozen. The laptop with another bios works great.
Original BIN: