Repair guides
Written by the people who maintain the catalog: how to use the files you find here.
All guides
- How to read a laptop boardviewWhat a boardview file is, which viewer opens .fz, .brd, .bdv, .tvw and .cad files, and a step-by-step workflow for finding test points and tracing a short with the schematic.
- How to flash a laptop BIOS with a CH341A programmerStep-by-step: identify the SPI flash chip, read and back up the original BIOS, check the dump size, and write a new image with a CH341A — including the 1.8 V and 5 V pitfalls.
- Compal LA-xxxx board numbers explainedHow to read Compal LA- and LS- board numbers, the project codes in front of them, the revision suffix, and what the series letter tells you about a board's age.