HP_ProBook_450_G2_ZPL40_ZPL50_ZPL70_LA_B181P_Rev_1_0_WORKING_BIOS.rar

TXTAbout HP ProBook 450 G2 ZPL40 ZPL50 ZPL70 LA-B181P Rev 1 0 WORKING BIOS BIOS / EC firmware

HP ProBook 450 G2 ZPL40 ZPL50 ZPL70 LA-B181P Rev 1 0 WORKING BIOS is an HP ZPL40 / ZPL50 / ZPL70 BIOS / EC firmware dump for board LA-B181P — tested. It is packed in a RAR archive of 4.0 MB, board revision 1. It was first posted on 22 Jan 2023 and is available in 2 Telegram channels.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is LA-B181P revision 1.

For the same board you can also find a schematic and board packs — see all LA-B181P files.

MSGFrom the Telegram post

HP ProBook 450 G2 ZPL40 ZPL50 ZPL70 LA B181P Rev 1 0 WORKING BIOS TESTED OK 100%

J1Download LA-B181P BIOS / EC firmware from Telegram

R1How to download HP ProBook 450 G2 ZPL40 ZPL50 ZPL70 LA-B181P Rev 1 0 WORKING BIOS

1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
2. You don’t need to join the channel. Tap the file HP_ProBook_450_G2_ZPL40_ZPL50_ZPL70_LA_B181P_Rev_1_0_WORKING_BIOS.rar to download it.
3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for LA-B181P. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.

.RARWhat is a .rar file and how to open it?