NO!! neither graphics card will fit your system, you need to look for AGP, (0.8 V / 1.5 V AGP 3.0 connector supporting 1x, 4x, or
8x AGP) an older standard not built into motherboards these days.
With the side off it is not possible to see the PSU details as they are obscured by an internal casing partition.
err, take the other side off ?? as you look at the back of the case, it's the right pannel,
nice video here and
here
The PC randomly shuts down and reboots , or doesn't reboot if I disable that feature
OK, you need to turn off the automatic reboot so you can actually see the BSOD error, of any ... chances are it will tell us enough about itself to let us troubleshoot further.
To change the recovery settings to disable automatic rebooting:
1. Right-click My Computer, and then click Properties.
2. Click the Advanced tab.
3. Under Startup and Recovery, click Settings to open the Startup and Recovery dialog box.
4. Clear the Automatically restart check box, and click OK the necessary number of times.
5. Restart your computer for the settings to take effect.
if we do the get a BSOD, please write down every last detail and post it for us, you can't take a screenshot, but a picture may help
PSI indicates that I have 7 security threat programs installed. VLC Safari quicktime reader itunes flash player and air. All of these programs are new up to date installations.Do you really trust PSI.
yes, I trust PSI, or it wouldn't be on my system ... I don't "trust" any of the programs you mentioned but do have the Adobe Air installed, and fully updated, 'cos the stupid BBC use it.
Secunia PSI is only a security advisor, it lets you know what out-of-date/security vulnerability of the software you need to update, even EOL (end-of-life) ... be aware when you update some programmes, using Adobe crap as an example, the "old" software are not always removed nor, in some cases even updated, but an entirely new version is installed so you end up with several versions of the same programme ... Adobe is really clever at this.
I found it easy to uninstall the offending programme, not always possible, and install the new updated version ... Take some time to learn how PSI works, it is very good at it's job. Don't use Beta software, as PSI will ignore it, do not use PSI beta, use the stable 1.5 version
With the new information you have now given us, I would be swapping out the PSU first. Need to know what is there to best advise on what to look for as a replacement. Although, I hope we "see" a BSOD that will better help us understand what is going on.
Have fun!!