Because Microsoft cannot retrieve or reset the password, the only definitive "high quality" way to remove it is by physically reflashing the BIOS chip. This is a complex task that should only be performed by a professional technician:

If your Surface Pro 4 boots past the BIOS password but locks you out of changing boot order, you can sometimes reset the system using advanced startup.

Also, try leaving the password field completely blank and pressing . Some BIOS locks are "shadow locks" where the password was never actually set, but the flag is corrupted.

Before assuming the worst, try these two things:

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Surface Pro 4 Bios Password Reset High Quality Jun 2026

Because Microsoft cannot retrieve or reset the password, the only definitive "high quality" way to remove it is by physically reflashing the BIOS chip. This is a complex task that should only be performed by a professional technician:

If your Surface Pro 4 boots past the BIOS password but locks you out of changing boot order, you can sometimes reset the system using advanced startup. surface pro 4 bios password reset high quality

Also, try leaving the password field completely blank and pressing . Some BIOS locks are "shadow locks" where the password was never actually set, but the flag is corrupted. Because Microsoft cannot retrieve or reset the password,

Before assuming the worst, try these two things: try these two things: