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820-3437 chimes, bklt comes on no video
No liquid hit the board, ever. Chimes, backlight comes on but no video. Mouse lights up after a while but shuts down after a while too. Bios replacement didn't help. Customer said that prior to no video at all it would shut down randomly. No pic to external either obviously. All powers...- fijolin
- Thread
- Replies: 8
- Forum: Macbook Logic Board Repair Questions
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820-00244 DC-in 5V PPBUS present tho
No liquid. Replaced U3100 (CD3215). Didn't help. Same behaviour still. PPBUS_G3H: 8,19V PP3V3_G3H: 3,3V PP3V3R3V0_AON: 3,3V Ideas?- fijolin
- Thread
- Replies: 13
- Forum: Macbook Logic Board Repair Questions
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820-4924 freezes with battery plugged in
I have 2 non-liquid damage 820-4924 boards with the same exact issue it seems. When the battery is plugged it, they freeze whenever there's enough load on the CPU. Sometimes loading OS causes that, sometimes it doesn't. However, if I manage to boot, anything that causes the clockspeed to go up...- fijolin
- Thread
- Replies: 10
- Forum: Macbook Logic Board Repair Questions