idk its a brand new computer. Only 3 weeks old. this is my laptop http://explore.toshiba.com/laptops/satellite/A200 Info: Operating System Genuine Windows Vista® Home Premium (32-bit) Processor Intel® Core™2 Duo Processor T5550 Memory 3GB PC5300 DDR2 667MHz SDRAM Hard Drive 160GB HDD (5400rpm) Optical Drive DVD-SuperMulti (+/-R double layer) with Labelflash™ drive Wireless Intel® ---/Wireless 3945ABG (802.11a/b/g) Extras Mobile Intel® Graphics Media Accelerator 100* Li-Ion Battery (4000mAh) Webcam with Built-in Mic