When troublshooting a computer, it helps to take a quick inventory of what's under the hood. PC Audit is a free program that gives a detailed inventory of Windows PCs.
PC Audit doesn't require installation and will run directly from a USB flash drive, CD, or even Floppy Disk. Double click the executable and it will scan your system and generate the findings.
It runs quick and will give you details about installed hardware, software and running system processes.
PC Audit is a great tool for troubleshooting legacy systems.