Question CMOS Battery Not Detected

[NorMatt]

One Day I was Opening my pc like normal and i got that 161 error so i had to buy a new cmos battery i installed it and its still not detected i got error 161 and 162 and even if i managed to open start my pc the gpu wont work well

 

[SteveRX4]

What PC?
Where did you get the error code from?