Archive named for the Dell Inspiron 3421 14-inch laptop, 3.77 MB RAR, with no board number, revision or file type indicated in the name. Its contents could be a schematic, boardview or BIOS dump, so extract and inspect before use. Several Inspiron 14 models shared boards across different ODMs, so read the board number off the PCB and compare it with any number found in the files. If a firmware image is inside, back up the original chip and confirm its size matches before writing with a programmer.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @BiosSchematicWorld. Enginerys does not host this file.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @BiosSchematicWorld | 1 Jan 2022 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 2026 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.