Error code 0251 and error code 0271

[natkraman]

i get this message when i turn on the hp notebook dv6000,it says 0271 check date and time system cmos checksum bad default configuration error code 0251,if i press f1 to continue, the system works fine.

 

[mosox]

Check the date and time in the BIOS and make sure they're correct. You might need to replace the BIOS battery.