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HP Probook 4540s BIOS Chip Replacement

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Use the spudger to remove four rubber screw covers from the corners of the laptop.

Remove four 6.0 mm Torx T8 M2.5×6.0 screws from the corners of the computer.

Remove two 2.5 mm Phillips PM2.0×2.5 screws from the optical drive bay.

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