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Dell HDB42 Schematics, boardviews & board numbers

Every Dell HDB42 file in the library: 4 BIOS files, 1 boardview. Board numbers: LA-L591P. Several revisions are listed — pick the one printed on your board.

Dell Latitude 5430 Compal HDB42 LA-L591P BiosLA-L591PBIOS
Dell HDB42 LA L591P Rev 1 0A00 2022 01 13 Clean ME Region OKLA-L591PBIOS
DELL Latitude 5430 Compal HDB42 LA L591P REV 0.3LA-L591PBoardview
DELL Latitude 5430 HDB42 LA L591P REV 1 0A00 2022 01 13 WORKINGLA-L591PBIOS
DELL Latitude 5430 HDB42 LA L591P REV 1 0A00 2022 01 13 I5 1235ULA-L591PBIOS

Other Dell models

Dell H901L Dell HA0326 Dell HADLEY15 Dell HDA51 Dell HDB30 Dell HDB40 Dell HDB50 Dell HDK50 Dell HDK51 Dell HDL50 Dell HELA17 Dell HKGP2

Not sure which file fits?

How to find your laptop motherboard number5 min readSchematic vs boardview: which one you need for repair3 min read

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