Gigabyte h310m s2h rev 1.1 Keep Restart solution pls

[Fernon@Repair]

Gigabyte h310m s2h rev 1.1 motherboard come bios screen and keep restarting .sometime 2 3 times fan spring and off after come bios screen . some time working 15 to 30 minutes .
I allready checked

VCCPLL voltage ok
VCCIO Voltage ok
VCCIO Enable ok
VCCSA Voltage Ok
VCCSA Enable Ok
VRM IC voltages ok
Replaced VRM IC
Replaced LM358 ic
Re programed Bios

But sometime motherboard working 20 30 minutes and restarting ......sometime have fan spring and off error ..........anyone have solution