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- Asus K551LN (S551LN Rev 2.2)BIOS · 11.1 MB · 7 Aug 2019BIOS zip—11.1 MB
- Asus K551LN S551LN Rev 2 (2).1 BIOSBIOS · 3.19 MB · 10 Nov 2020BIOS rar—3.19 MB
- Asus K551LN S551LN Rev 2 (1).1 BIOSBIOS · 3.19 MB · 10 Nov 2020BIOS rar—3.19 MB
- Asus K551LN S551LN Rev 2 1 BIOS telegram BIOS Repair 2025 09 16BIOS · 3.40 MB · 18 Sept 2025BIOS zip—3.40 MB
- Asus K551LN S551LN Rev 2 2 1 BIOS telegram BIOS Repair 2025 09 16BIOS · 3.40 MB · 18 Sept 2025BIOS zip—3.40 MB
- Asus K551LN S551LN Rev 2 1 1 BIOS telegram BIOS Repair 2025 09 16BIOS · 3.40 MB · 18 Sept 2025BIOS zip—3.40 MB
- Asus K551LN S551LN Rev 2.1 BIOS
BIOS image packed as RAR for ASUS K551LN and S551LN laptops that share motherboard revision 2.1.
BIOS · 3.19 MB · 11 Jun 2018BIOS rar—3.19 MB - Asus K551LN S551LN Rev 2.1 BIOS
Firmware archive for the ASUS K551LN and S551LN motherboard revision 2.1, stored as a 3.19 MB rar file.
BIOS · 3.19 MB · 9 Apr 2018BIOS rar—3.19 MB