Look for settings named , UEFI/BIOS Boot Mode , or CSM (Compatibility Support Module) .
If your operating system was installed on an older drive configuration using a Master Boot Record (MBR) partition style, a modern UEFI firmware setting will fail to recognize it, throwing you into the EFI Shell. Enter your menu again. Locate the Boot or Advanced tab.
What is the of your computer or motherboard? efi shell version 260 512 2021
Obtain a shell.efi file and copy it to that folder. Rename File: Rename the file to BOOTX64.efi . Boot: Restart and select the USB from the boot menu.
These commands are invaluable for diagnosing hardware and driver issues at the firmware level. Look for settings named , UEFI/BIOS Boot Mode
Here is a list of common EFI Shell commands:
Inside your BIOS, locate the setting.
Switch modes if your drive was formatted under a different standard. Enable for modern Windows 10 and 11 installations. 3. Check for Physical Drive Connection
If your OS was installed in UEFI mode, ensure is enabled and CSM (Compatibility Support Module) is disabled. Locate the Boot or Advanced tab
Ensure that or your specific SSD/HDD is set as the first boot device. Save your changes (usually by pressing F10 ) and exit. 3. Change Storage Controller Settings (AHCI vs. RAID)
Does your storage drive show up inside the ?