Computer randomly restarts is not something unique happened to you. Sometimes there is a dreadful total crash of the system and sometime it sends different errors, upon restarting nothing happens.
-- First of all disable the auto-restart option from your control panel settings
-- Remove any recently installed maliciously software/add-on or any other application or toolbar.
-- Try to cool down your PC as the overheating due to overuse of computer may result in system freezing and sudden restarting.
-- Update your BIOS.
-- Update the drivers
-- Make it sure the error is not caused by the deficient power supply. You may try to change the power supply.
-- Conduct the registry clean up scan for quick fix of the problem.
-- Remove flashy games and/or untrusted antiviruses/antispywares. Conduct the security scan through the most powerful scanners only.
I did a scan and updated windows....tried to update the bios but can't. Right now it's running. If I restart it it's fine unless I completely shut it down. Then it goes into the cycle if I try to start it again. I left it for two days and hit the start button and it started up fine again. I know if I don't shut it down it will be fine. I can reboot using restart only.
What does that sound like??
Thanks for your earlier reply.