PC Peripherals PC is not starting !!!

[sxyadii]

My pc was working properly last night.I started my pc in morning., it didnt start...
Getting error
1)Bootmanager corrupt,
After 1-2 restart
2)System Halted

Nothing is displaying on monitor and I m not able to get into BIOS.

Need help !!!

This is cross post to this link : PC is not starting !!! - Digit's Technology Discussion Forum

 

[Anubis]

May be ur problem lies here bro

Asus P5k Premium WIFI-AP Mobo,Intel C2Q Q6600 2.4GHz,
3x1GB DDR2 667MHz, Seagate Baracuda 7200.12 500GB HDD, ]Cooler Master Xtreme 500W PSU
Sapphire HD5850 1GB GDDR5, CM Hyper 212 Plus CPU Cooler..

Its the Cooler Master Xtreme 500W PSU

How on Earth is it suitable for running ATI 5850

 

[sxyadii]

Somehow the computer was running,running well with 2gb,when I want to start with 3gb ,and doesnt start window and it stopped here

 

[SharekhaN]

Maybe its a bad ram slot. try it with just 2 gb and swap sticks and slots. It will help you identify if its a ram issue or a mobo issue.

 

[Anubis]

Have u checked all the Rams individually in each ram slot?

Are they all ok ?

 

[ISHROCZ_14]

for boot mgr error .. reinstall os !!
else there is
too mch load for psu !!
rmv ur gfx n try connecting monitor to mobo if there is any provision

 

[sxyadii]

PC is running fine with 2 DIMM,Thnx for your help

Will purchase 2x2GB DDR2 1066MHz soon.!