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- 4540s (Luirons Bios)BIOS · 3.48 MB · 23 Feb 2021BIOS rar—3.48 MB
- 4540s-fixed.bin (Luirons Bios)BIOS · 3.59 MB · 23 Feb 2021BIOS rar—3.59 MB
- HP 4540S (Luirons Bios)BIOS · 3.37 MB · 22 Feb 2021BIOS rar—3.37 MB
- probook 4540S original (Luirons Bios)BIOS · 8.00 MB · 6 May 2025BIOS bin—8.00 MB
- 4540s-fixed (1).bin (Luirons Bios)BIOS · 3.59 MB · 23 Feb 2021BIOS rar—3.59 MB
- HP 4540S (1) (Luirons Bios)BIOS · 3.37 MB · 22 Feb 2021BIOS rar—3.37 MB
- probook 4540S original backup (Luirons Bios)BIOS · 3.48 MB · 22 Feb 2021BIOS rar—3.48 MB
- HP ProBook 4540S ROCKY INTEL MB (Luirons Bios)BIOS · 3.55 MB · 23 Feb 2021BIOS rar—3.55 MB
- probook 4540S original Rocky Intel MB (Luirons Bios)BIOS · 3.48 MB · 23 Feb 2021BIOS rar—3.48 MB
- probook 4540s-Hewlett-Packard-68IRRVer.F.31 (Luirons Bios)BIOS · 5.00 MB · 9 May 2025BIOS rom—5.00 MB
- HP ProBook 4540s platform Rocky Intel MB (Luirons Bios)BIOS · 3.48 MB · 23 Feb 2021BIOS rar—3.48 MB
- Hewlett-Packard 4540s i7-68IRRVer.F.42 (Luirons Bios)BIOS · 2.50 MB · 23 Feb 2021BIOS rar—2.50 MB
- HP Probook 4540S=8=GPU 216- 683494-001 (Luirons Bios)BIOS · 8.65 MB · 23 Feb 2021BIOS rar—8.65 MB
- HP ProBook 4540s platform Rocky Intel MB 11243 Luirons BiosBIOS · 3.48 MB · 23 Feb 2021BIOS rar—3.48 MB
- HP ProBook 4540s platform Rocky Intel MB (2) (Luirons Bios)BIOS · 3.48 MB · 23 Feb 2021BIOS rar—3.48 MB
- HP ProBook 4540s platform Rocky Intel MB (1) (Luirons Bios)BIOS · 3.48 MB · 23 Feb 2021BIOS rar—3.48 MB
- Hewlett-Packard 4540s i7-68IRRVer.F.42 (Luirons Bios).romBIOS · 2.50 MB · 23 Feb 2021BIOS rar—2.50 MB
- probook 4540s Hewlett Packard 68IRRVer F 31 Luirons Bios romBIOS · 2.50 MB · 23 Feb 2021BIOS rar—2.50 MB
- HP HP Probook 4540S CPU i5 GPU 216-0833002 (Luirons Bios)BIOS · 3.59 MB · 22 Feb 2021BIOS rar—3.59 MB
- HP 4540S Roadrunner 1 1 12260 1 48 4SI08 011 UMA 25Q64FVSIG LuironsBIOS · 3.48 MB · 22 Feb 2021BIOS rar—3.48 MB
- HP 4540S Roadrunner 1 1 1 12260 1 48 4SI08 011 UMA 25Q64FVSIG LuironsBIOS · 3.48 MB · 22 Feb 2021BIOS rar—3.48 MB
- HP 4540S Roadrunner 1 2 1 12260 1 48 4SI08 011 UMA 25Q64FVSIG LuironsBIOS · 3.48 MB · 22 Feb 2021BIOS rar—3.48 MB