deeptenk2
Moderator
Lenovo ThinkPad L420 L421 L520 (BIOS 8GUJ17us) Whitelist
Original (non modified) same version bios SHOULD be flashed at first.
then, after reboot, flash modified bios
Run the WinPhlash 32 or 64 bit, click "Advanced Settings"
then check and uncheck the boxes so it looks like this:
("Flags" Tab):
[ ] Verify BIOS part number
[ ] Flash only if BIOS version is different
[ ] Flash only if BIOS version is newer
[ ] Verify BIOS image size
[ ] Verify BIOS checksum
[ ] Zero block before erasing
[x] Verify block after programming
[x] Disable Axx swaping automatic detection (if present)
[ ] Clear CMOS Checksum
("DMI" tab)
"Update": Select "Update the BIOS and not DMI"
Original (non modified) same version bios SHOULD be flashed at first.
then, after reboot, flash modified bios
Run the WinPhlash 32 or 64 bit, click "Advanced Settings"
then check and uncheck the boxes so it looks like this:
("Flags" Tab):
[ ] Verify BIOS part number
[ ] Flash only if BIOS version is different
[ ] Flash only if BIOS version is newer
[ ] Verify BIOS image size
[ ] Verify BIOS checksum
[ ] Zero block before erasing
[x] Verify block after programming
[x] Disable Axx swaping automatic detection (if present)
[ ] Clear CMOS Checksum
("DMI" tab)
"Update": Select "Update the BIOS and not DMI"