Shuttle problems

[ConquereR]

I recently recieved my Shuttle SN45G XPC and put everything in my sig into it. It all went smoothly until i booted it up. It came on and nothing was on the screen. It was just black. I keep restarting it and it stays black. I tried putting disks in and floppys in and it does nothing. I was told by a friend that it is because my video card requires power from the power supply as well as the AGP slot. He had the same problem with putting his 9700 pro into a XPC and so he tried a 5200 ultra and it worked fine. What i dont get though...if thats the case then why do i read all these reviews about ppl with the same psu i have running 9800xt's and stuff. Anyone have any insight? I would really like to get this stuff back in my shuttle.

[ConquereR]

I got my shuttle working but it wont boot up into windows...is this because i MUST reformat my hardrive? or should i not need to? I really am hoping i can not have to reformat. If i change anything in bios and restart then my monitor just stays on standby so basically i can only run default setting but still cannot get windows to load. I need to know if i have to reformat or not

[matttheniceguy]

You don't have to reformat, but you probably have to reload parts of windows. Windows is set up with drivers to run your old motherboard right now. If this one has a different chipset, or some other different parts, windows might have no idea how to work anything.

What you need to do is boot from the windows CD, and go to repair a windows installation. Windows will more or less fix itself from there.

You really should get some more power going to that vid card. I know the 5900 series won't run at full speed if they don't have the extra molex connctor, and the 9800's may be the same. In any case the AGP slot is not made to handle that much power. Just get a molex splitter from a computer store or whatever if you don't have any spare molex connections.

[ConquereR]

Well i tried repairing windows...i put the cd in, got to windows repair and started repairing...it said it couldnt repair becuase there "was no hard disk" found. Wtf? So i replugged the IDE and molex connector back into the harddrive. Finally i rebooted and got into windows WITHOUT FORMATING. Im in my windows and my USB mouse isnt working...not good. It starts showing all the new devices and etc that it is finding since its on a new mobo. My mosue still isnt working. I unplug it and plug it back in and my comp restarts by itself simultaneously. It boots into windows again but, as soon as my stuff starts loading (deskstop, start programs, etc) the comp restarts. It reboots and the same thing happens. Is this because i dont have enough juice? It seems like it to me. What do you guys think?