crwdns2934241:0crwdne2934241:0 mike

crwdns2934249:0crwdne2934249:0:

Which ACER model?

Go into BIOS and reset to default settings.

Especially if old blow out dust from motherboard and power supply, reseat RAM, graphics card, check CPU temperature to see if it is overheat. Are all the fans spinning at correct RPM, etc.

One key for troubleshooting is keep it simple or KISS ,if you like.

crwdns2915684:0crwdne2915684:0:

open