What are some common BIOS error messages found on the GA-990FX-Gaming motherboard?

Common BIOS Error Messages on GA-990FX-Gaming Motherboard

1. CMOS Checksum Error: The CMOS checksum doesn't match the expected value, indicating potential corruption or alteration in the BIOS settings. This can be caused by various factors, such as a dead CMOS battery or incorrect BIOS updates.
2. No Bootable Device: This error message occurs when the system fails to find a bootable device, such as a hard drive or SSD, to initiate the boot process. Possible causes include improper boot device configuration or a faulty storage drive.
3. Invalid System Disk: This error message suggests that the system cannot find a valid operating system on the selected boot device. It can be caused by issues like incorrect boot device priority or a damaged/corrupted operating system.
4. BIOS ROM Checksum Error: This error indicates that the BIOS firmware's checksum value doesn't match the expected value, indicating possible corruption or malfunction in the BIOS ROM. This can be due to factors like a faulty BIOS chip or unsuccessful BIOS updates.
5. Overclocking Failed: This error message appears when the system encounters instability or errors due to failed overclocking attempts. It suggests that the processor or other components are being pushed beyond their stable operating limits.
6. Bootmgr is Missing: This error indicates that the boot manager, responsible for loading the operating system, is missing or corrupt. It can occur due to problems like incorrect boot device selection or issues with the Windows Boot Manager.