new pc build workt then it didnt HELP

[torstig4690]

ive been building a new pc... and it has been up and running but after been in the bios setting clock for my pheanom x3 720 to 3200ghz it restartet at start-up. now wont post anymore or i wont show the screen im not sure.. have cleared the cmos .. it starts and nothing happens if i pres delete to get to bios it seems to go there becuse when i hit the sart button it closes imitietly. if i just let it run i have to holdt it down to shut down the pc im lost and nerly breaking here..... my rig pheanom x3 720 be ----- corsair ddr3ram 13xxmhz ----- motherboard ga-ma790xt-ud4f ------- shaphire radeon 7770 ----

 

[torstig4690]

well i got it to show using my vga. i then re-intsaled window 7 and i indstalled the drivers and restart then nothing no screen no nothing again WHATS WRONG ?!?!?!?!?!? now it wont show on either vga or hdmi my grafikkart is working ... then i reset the cmos and it goes ind lookt at the bios looks good and now im in windows but not sure if it holds

 

[torstig4690]

now i got ind window... made restartet 2 times no problem... then i update windows and on the restart nothing again ?!?!?!??! what wrong here

 

[torstig4690]

reset the scom again and now it wont let me ind to windows... during the pool data it wont go further .... starting to think theres something up with the harddisk or something some help or hints would be very helpful

 

[torstig4690]

i switch the sata hardisk port to the gigabite instead of the amd on now its going in to windows... after trying to update again ... it goes black on start up WHAT