Start and shut down in seconds

[leslyn]

Hello,
computer starts then shut down in few seconds, if i take out memory no beeping

 

[aford10]

Is it a new build? How long has it been doing this?

What kind of computer and hardware specs?

 

[Capn Ron]

Interface "grease" between heatsink and CPU

 

[Saga Lout]

Possible malware hit on winlogonui? Does tapping Function 8 and looking at the Advanced Boot Menu behave any better? If it does, try Safe Mode with Networking and log on as Administrator.