Even if your current BIOS is corrupt, back it up 3 times.
The "Hannstar J MV-4 94V-0" mark is found on the following laptop motherboards: : Uses the Quanta FM6 motherboard. Acer Aspire 5745 / 5745G : A common board variant found in these Acer models. hannstar j mv4 94v0 bios bin file exclusive
(Note: For security, direct links are provided through an authenticated repair portal. Verify the MD5 checksum after download.) Even if your current BIOS is corrupt, back it up 3 times