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820-3115 No audio devices.
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...- deephouse
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- Replies: 5
- Forum: Macbook Logic Board Repair Questions
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820-3437 Bugs in the image!?
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...- deephouse
- Thread
- Replies: 5
- Forum: Macbook Logic Board Repair Questions
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820-3115 s.n.
Hello, Is it possible to change the serial number in bios? Of course, without any harmful effects.- deephouse
- Thread
- Replies: 1
- Forum: Macbook Logic Board Repair Questions
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820-3115 Corrupt EFI Firmware
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:- deephouse
- Thread
- Replies: 5
- Forum: Macbook Logic Board Repair Questions