Error code HP 20-c020 relates to a specific issue with the HP printer model 20-c020.
Error code HP 20-c020 relates to a specific issue with the HP printer model 20-c020.
The bios is damaged. It occurs sometimes. I've seen similar issues before. After fixing a CMOS checksum error, it usually works again. However, some aftermarket boards may require a soft reset and can fail to save bios settings even with the error. It really depends on the failure mode. Welcome!