Traditional Culture Encyclopedia - Traditional festivals - After Tian Yang t4900v enters the bios, the os project cannot be changed.
After Tian Yang t4900v enters the bios, the os project cannot be changed.
"SecureBoot" gray in BIOS cannot change the solution:
1. Press computer startup shortcut F2/Del to enter BIOS setup.
2. Look for "insulated defaults". When rebooting, the operating system option has been set to Disabled. Set to disabled; ;
3. However, the UEFI option under "Start" is grayed out and cannot be changed. Uefi option is grayed out and cannot be changed.
4. It is best to restore the BIOS default settings. First, restore the bios default settings;
5. It can be changed after recovery. The display can be changed after recovery;
6. If the selection is still grayed out, or you don't want to restore the default settings, you can enter the "Security" option and find "SecureBoot". Input security; ;
7. Turn off the safe start here.
8. Then set it again and find that UEFI can be changed.
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