Boots for 5sec...then nothing

[hawkeye321]

Am havng trouble with my pc AGAIN..so in the morning was copying files to usb all of a sudden half of the monitor from the middle to down started showing grains...with red blue etc...so turnd down the ups...booted again boots for 5sec then turns off...i boĿt倎

 

[topgear]

post your full pc specs like mobo, cpu, su, cabinet, gfx card etc..

 

[hawkeye321]

Mobo-m2n-mx-se plus...psu-450w..gpu-i think in built...nw it boots for 5 sec then turns off...when i boot again it boots but with no display

 

[topgear]

take out everything out from the cabby and disconnect/dismount every component from the mobo .. clean and then reconnect/remount the cpu/ram/HDD cables .. also don't forget to clear CMOS setting. Test.
If not OK then test again with a different PSU, Ram or gfx card.