PC not powering on
· Check SMPS with load and without load
· Check connection to mother board
· Check the input power connection
· Check mother board power pin
· Check power switch
PC restaring
· Check problem with hardware or software
· Check BIOS for heat of processor
· Check SMPS
· Check all the connections
· Check RAM
· Check all the devices
· If it is a SW problem, check it is a problem with a specific SW issue or OS issue
PC not giving display
· Check all the connections from SMPS
· Check interface between monitor and mother board
· Check RAM
· Swap the monitor
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