Problem with fairly old system

[FMX]

Here are the specs:

AMD 3800 X2
Bio Star T-Force 6100 AM(2?) mobo
1GB RAM

The rest... I'm not sure.

Anyway the problem is fairly generic I'm sure. I have two SATA ports, one of which is unusable after I broke the plastic connector off. I have the hard drive plugged up to one of the SATA slots.

Anyway, the computer booted up fine (albeit no Windows installed yet) until I connected an OLD IDE DVD drive up. Plugged a molex to it and connected via IDE and bam... no picture when booting up. It's got me beat. I can't figure out why it would just stop showing video. There are no beeps emitting from the mobo or anything, just no video. The only reason I didn't install Windows with a removable USB prior to trying the old DVD drive is that the computer just stuck with the blinking "_" symbol but never asked me to press any key to boot or even went off of that screen. Not sure why that happened but anyway -

I removed the DVD drive from system and I still can't get any picture.

Is there any button combinations I can try while booting up or do you guys have any other ideas? Thanks.

 

[AnonymouseUser]

Have you tried clearing CMOS?
Can you get into the BIOS at all?
Try using the onboard video, if possible. If not possible, disconnect the IDE drive and be sure the onboard video is fully disabled in the BIOS, then try again.

 

[FMX]

I should have mentioned I am using onboard. No card is installed. I can't get into the BIOS as I have no video whatsoever. By clear CMOS you mean remove the battery or move jumpers? I will try to remove the battery.