You can also click on start/run and type in dxdiag and click ok. Then click on the display tab.

 

Inspiron E1505
Intel Core 2 Duo processor T7200 (4MB/2.00GHz/667MHz)
15.4 Inch UltraSharp TrueLife Wide-screen WSXGA+
1GB, DDR2, 533MHz 2 Dimm
256MB ATI MOBILITY RADEON X1400
120GB 5400RPM SATA Hard Drive
8X DVD+/-RW Philips Drive
Intel PRO/Wireless 3945 802.11a/g Mini Card (54Mbps)
Dell Wireless 355 Bluetooth Module (2.0 + EDR)
Windows XP Pro SP2
Bios A08
pur. Sept. 7 2006
WRT54G Linksys router v3.1 (DD-WRT v23 SP2 std)
ZoneAlarm Pro v 6.5.737.000
Kaspersky AntiVirus v 6.0.2.614