On Sun, 14 Mar 2021 15:01:17 -0700, Bob F wrote:

| On 3/14/2021 1:27 PM, Larc wrote:
| Symptoms: started rebooting occasionally, progressively increasing with prior mouse
| pointer fadeout or freeze (cordless and corded mouse) - stopped seeing USB wifi
| adapter, although USB drives would still work - now won't post at all (power comes on
| and case PLED and fans run for about 20 seconds, then reboot, rinse and repeat) - no
| HDD LED - no signal to wake monitor - power to DVD burner on. Multiple reconnections
| and even reseating of the CPU and heatsink/fan and trying different memory modules
| didn't help.
|
| PSU: Tested thoroughly with comprehensive digital PSU tester and everything 100%
|
| Is there anything else I should check out? I'd like to learn it's not the
| motherboard since a replacement that could accommodate the 7th generation i3 CPU in
| it would cost about as much as a new 300 series board and i3-9100 CPU combined.
|
| I'm not running a higher powered setup here since this isn't a main system, but one I
| use for Windows Insider development testing.
|
| Motherboard: ASRock Fatal1ty H270 Performance
| PSU: Corsair CX500M
|
| Larc
|
|
| You tried replacing the battery, and resetting the bios? If it comes up
| enough to do so, re-burning the bios could be worth trying.

I didn't replace the battery as it checks OK, but did reflash and reset the BIOS.

Larc