I connected my monitor and CPU plugs with UPS

[sangeethapriya]

Hello, but when power failure my cpu turn off without any warning

 

[henydiah]

I think ups is drop, how long your ups ? Try in direct plug ac , with no ups, is still turning off ?

 

[popatim]

UPs usually have plugs that are on backup and plugs that are not on backup. Be sure you plugged the pc into the correct plug.