- Diagnosing and resolving issues where a MacBook (820-01949) remains stuck on 5V with low current draw (~0.0 * Non-specific areas of corrosion causing T2 or CD3217 communication issues.5 KB (890 words) - 15:28, 29 October 2023
- Addressing issues with MacBook (820-01949) exhibiting no power, and an amp draw of ~0.03-0.06 *#Cracked solder joints under T2 chip (Uncommon, usually only suspected if device was dropped prior to initial failure.)4 KB (555 words) - 15:28, 29 October 2023
- Addressing issues with MacBook (820-01949) exhibiting no power, and an amp draw of ~0.23-0.31 * CD3217 issues usually result in one port showing different readings, often cycling.5 KB (838 words) - 15:28, 29 October 2023
- Identifying and solving backlight issues on the ''820-01521'' logic board, as well as similar boards from 2016-2020. Failure of U8400 without the presence of liquid damage is uncommon, however if you have no backlight with a known good display, and do not hav6 KB (1,031 words) - 22:17, 29 January 2024
- ...etry issues; here is a very basic guide to troubleshooting and fixing such issues: ...r externally, either on the front or the back of the unit, however this is uncommon and this explanation is for CRTs with internal pots on or near the flyback.12 KB (2,097 words) - 11:45, 2 March 2024