Error 502 HP 590

[XFibro]

When I plugging in my HP 590 P0116 UR PC, it turning on immediately and showing error 502 (Checksum Invalid) 

My config:

CPU Ryzen 7 1700

Geforce RTX 2060 HP

Cougar STC 500 (third party PSU) 

16GB DDR4 Kingston FURY

Help me please

Thx you all in advance

[resistencia · Accepted solution]

Hi @XFibro 

This error can happen because the CMOS battery is damaged or the BIOS is having problems.

HP PCs - 500, 501, or 502 error displays on a black screen | HP® Support

[XFibro]

OK, if my OS are loading, it's a good sign, or CMOS battery about to die? 

[resistencia]

usually what happens is that when the battery is damaged, you lose the custom BIOS settings you have made and revert to default values, but windows can be loaded and you only have to change the time later.

[XFibro]

so i need to replace bios battery?

i tried to update bios,tried to clear cmos, it didnt help

[resistencia]

Hi, 

then replace CMOS battery.