Working on an 820-01700 board that has no WiFi (WiFi equipment detected, but when I click to turn WiFi on/off, the OS doesn’t do anything—doesn’t turn on or off, never shows WiFi networks, etc), no Bluetooth (missing completely) and no iSight (“no camera detected” and “no capture devices” in system information). Figured an issue with the 3v3/5v supply as with older boards, so swapped it just in case as I’ve seen odd issues even with all enables present. Still no dice.
Everything else works fine, including an external drive that I copied data over to without issues. Just no WiFi/BT or iSight. Tested with 2 known-good units/LCDs etc. Also, I can NOT get the unit to PRAM reset, but wasn’t sure if maybe some funky T2/etc issue might be conflating that.
Unit had liquid to top-case that was cause of no-power, but replaced without issue. Liquid to keyboard/tpad might be related. Board did have VERY minor liquid, but it didn’t touch anything at all (literally no components, just minor residue). Keyboard/tpad took brunt of the damage.
Any input or recommendations on where to start? Trying to avoid wiping board and reflashing T2 if at all possible.
Thank you in advance!
Everything else works fine, including an external drive that I copied data over to without issues. Just no WiFi/BT or iSight. Tested with 2 known-good units/LCDs etc. Also, I can NOT get the unit to PRAM reset, but wasn’t sure if maybe some funky T2/etc issue might be conflating that.
Unit had liquid to top-case that was cause of no-power, but replaced without issue. Liquid to keyboard/tpad might be related. Board did have VERY minor liquid, but it didn’t touch anything at all (literally no components, just minor residue). Keyboard/tpad took brunt of the damage.
Any input or recommendations on where to start? Trying to avoid wiping board and reflashing T2 if at all possible.
Thank you in advance!
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