Guides

Short, practical explanations for technicians and hobbyists. Each one starts with the answer and then shows the detail.

How to open boardview files (.brd, .bdv, .fz, .cad, .tvw)

Which free program opens each boardview format, how to set it up in five minutes, and what to do when a file refuses to load.

5 min read →

How to find the board number on a laptop motherboard

Where manufacturers print the board number, what it looks like for each factory, and why it beats the model name when you search for a schematic.

4 min read →

Schematic vs boardview: what each file is for

A plain explanation of the two documents every board-level repair relies on, with an example of using them together.

4 min read →

How to read a laptop schematic

The structure of a factory schematic, how to follow a signal across pages, and the rail names you need to recognise first.

7 min read →

Board number prefixes by manufacturer (Compal, Quanta, Wistron, LCFC…)

A reference to the numbering schemes used by laptop ODMs, so you can tell who built a board and search for its documentation correctly.

5 min read →

How to flash a BIOS chip with a CH341A programmer

A careful, step-by-step procedure for backing up and rewriting a laptop or desktop SPI flash chip, including voltage checks and the mistakes that brick boards.

8 min read →

What "ME clean" means in a BIOS dump

Why the Intel Management Engine region matters for board repair, what a cleaned region is, and when you actually need one.

5 min read →

How to download repair files from Telegram safely

How Telegram file posts work, how to get a file without joining a channel, and the checks worth doing before you open an archive or write a BIOS.

4 min read →