how can i fix my zoostorm pc ?

hi my name is yuri am writing from the UK.
My wife bought me a pc last year christmas as a gift 10 months down the line i desided to us it for the first time on friday 3rd october.
the motherboard that am using is msi 945gcm5 v2
Zoostorm Pentium Dual Core with 19in monitor and Vista software
Mid-range.
An energy-efficient PC with the power of two processors in one box - great for multi-tasking. 19in widescreen monitor to make the most of your widescreen blockbuster DVDs.
Intel Pentium Dual Core E2200 processor (2.0Ghz). 2Gb DDR2 RAM. 350Gb hard drive. 19in TFT LCD monitor with 8ms response rate. DVD/RW. On-board graphics. Microsoft Windows Vista Home Basic.

ihope thats enough information

the problem is when i switch on the machine it run all the nessery scan when completed it comes up disk error, but the next time that i put it on the system power's up but the monitor donot come back on. please help my wife has distroy the recipt since then cause it was brind new still in the box i've got all the drivers but cant get the system to give me an out put.

ps. i've also tried usind another monitors but to no joy.
but my next useless one work fine with the screens new and old..
thank you very much for your help if you can :)