- Board code
12240-1- Made by
- Wistron
- Files
- 8
- Updated
HP ProBook 455 G1 12240-1 is a laptop motherboard designed by Wistron and used in the HP ProBook 455 G1, HP ProBook 445 G1 and HP ProBook 450 G1.
The catalog has 8 BIOS files for it, posted between 2019 and 2025 across 2 Telegram channels. Each download button opens the original Telegram post.
Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.
Compatible models
- HP ProBook 455 G1
- HP ProBook 445 G1
- HP ProBook 450 G1
Files for HP ProBook 455 G1 12240-1
BIOS and firmware 8 All bios and firmware →
- hp pro book 450 G1 12240-1 48.4YW05.011.rarDownload from Telegram
- hp 450 g1 AMD OK 12240-1 48.4YW05.011.zipDownload from Telegram
- HP_Probook_455_G1_DMIWISTRON_12240.rarDownload from Telegram
- HP_Probook_455_G1_DMIWISTRON_12240_1_python_14_mb_48_4ZC03_011.rarDownload from Telegram
- HP PROBOOK 455 G1.zipDownload from Telegram
- HP PROBOOK 445 G1 (12240-1_PYTHON 14 MB_48.4ZC05.011) BIOS.rarDownload from Telegram
- HP Probook 455 G1 12240-1 14 MB 48.4ZC04.011.rarDownload from Telegram
- HP_455_G1.bin Also posted in: BIOS BIN FILESDownload from Telegram
Frequently asked questions
Which laptops use the 12240-1 motherboard?
File names in the catalog tie 12240-1 to the HP ProBook 455 G1, HP ProBook 445 G1 and HP ProBook 450 G1. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
What should I check before flashing the 12240-1 BIOS?
Read the original chip with a programmer and save two copies before writing anything. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.
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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file