Go to My Computer
Go to Properties
Look at the system specs and post them here It helps if we know what we are dealing with

For example heres mine...
Debain (Elive) Linux OS on a

Dell Dimenison XPS T600r
600mgz PIII
784 Meg Ram, PC 133
8 Gig SCSI HD
52x24x52x CDR-RW
16 Meg Matrox Vid Card
Soundblaster Live Soundcard
T 10/100 Ethernet card
Happuage TV Card
Altec-Lansing 340 watt suond system

You wont need all this info but you get the Idea