Usually, that is an indication of a bad (dead) CMOS memory battery. Replace the CR2032 coin cell battery located on the motherboard.  
I'm having trouble with my system date. The system reports at startup. Today I have 16-08-2022, and the system indicates 06-05-2017. A different time is also indicated. I'm going through the system date and time. The next time you start the system, it's similar. What to do? Dell Precision T 5600
Dell Precision T 5600 time and date problem