@pow400, when MSI HQ Forum Flashing Tool is show-up (before you choose option number 2 for flashing) you may switch to BIOS that corrupted/broken. Then choose option number 2 for flashing, done ![smiley :)]()
It worked for my Z87 Mpower SP that needs special BIOS ...

It worked for my Z87 Mpower SP that needs special BIOS ...