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HP Probook 4540s BIOS Chip Replacement

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1 × T8 Torx Security Bit Screwdriver
1 × Phillips #0 Screwdriver
1 × Phillips #1 Screwdriver
1 × Soldering Iron
1 × Hot Air Station
1 × Spudger
1 × Cotton Swab
1 × Isopropyl Alcohol

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1 × BIOS CHIP - HP Probook 4540s (no password)

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