crwdns2933803:05crwdne2933803:0
crwdns2933797:0Howardcrwdnd2933797:0crwdne2933797:0
crwdns2936045:0crwdne2936045:0 crwdns2933505:0crwdne2933505:0 Nick Schultz
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| - | [* red] Use the flat end of a spudger to press and hold the small gold 'battery disconnect' button. |
|---|---|
| - | [* orange] If the power LED is lit up, continue holding the button until the LED goes dark, and then release. This may take up to 10 seconds. |
| + | [* red] Use the flat end of a spudger to press and hold the small gold 'battery disconnect' button. ***IMPORTANT : If this step is skipped and keyboard/trackpad cable is disconnected. There is a high chance trackpad and keyboard backlight will not be functional afterwards. Their firmware state appears to be corrupted without doing this step properly*** |
| + | [* orange] If the power LED is lit up, continue holding the button until the LED goes dark, and then release. This may take up to 10 seconds. Note the LED light is very faint so important to have some darkness. |
| [* black] If the LED does not light, release the button after 5-10 seconds. Press and hold it again for 5-10 seconds, and release. Finally, press and hold it a third time for 5-10 seconds, and release. | |
| + | [* red] ***NOTE when power on the MB after assembly. A very precise procedure is required to avoid logic board damage. Can not just plug in MB charger immediately. Read the Introduction of the unverified version of the guide for detail*** |
| + | [* black] If unfortunately have a failing trackpad and keyboard backlight after assembly. It s possible to repair. Requires loading original macOS shipped with MB followed by macOS upgrade. This likely reload the trackpad/keyboard firmware and eliminates the corruption from improper power down sequence prior to keyboard trackpad flex disconnect. Details [post|795043|link|new_window=true] |
| [* icon_note] This step ensures the MacBook is fully powered down and safe to work on. |