You can download Toshiba Driver Satellite Pro U400:
Toshiba Satellite Pro U400 Spec
# Windows XP Professional (SP2)
# Intel T8100 Penryn (2.1GHz) Processor
# 13.3" WXGA 1280x800 TruBrite Display (Glossy)
# Intel X3100 Integrated Graphics
# Intel Pro 3945ABG (802.11a/b/g) and Bluetooth V2.1 +EDR
# 1GB PC2-5300 DDR2 SDRAM (maximum capacity 4GB)
# 160GB 5400rpm Toshiba Hard Drive
# DVD SuperMulti (+/-R double layer) drive
# 1.3 megapixel webcam
# Stereo speakers
# Fingerprint reader
# Dimensions (WxDxH Front/H Rear): 12.4" x 9.02" x 1.08" /1.38" with feet
# Weight: 4.61lbs with six-cell battery
# 75W (19V x 3.95A) 100-240V AC Adapter
# 6-cell (4800mAh) Lithium Ion battery
# 1-Year Standard Limited Warranty
>> Bluetooth Monitor
>> Card Reader Controller (O2Micro)
>> Chip Set Utility (Intel)
>> Display Driver (Intel)
Toshiba Satellite Pro U400 Spec
# Windows XP Professional (SP2)
# Intel T8100 Penryn (2.1GHz) Processor
# 13.3" WXGA 1280x800 TruBrite Display (Glossy)
# Intel X3100 Integrated Graphics
# Intel Pro 3945ABG (802.11a/b/g) and Bluetooth V2.1 +EDR
# 1GB PC2-5300 DDR2 SDRAM (maximum capacity 4GB)
# 160GB 5400rpm Toshiba Hard Drive
# DVD SuperMulti (+/-R double layer) drive
# 1.3 megapixel webcam
# Stereo speakers
# Fingerprint reader
# Dimensions (WxDxH Front/H Rear): 12.4" x 9.02" x 1.08" /1.38" with feet
# Weight: 4.61lbs with six-cell battery
# 75W (19V x 3.95A) 100-240V AC Adapter
# 6-cell (4800mAh) Lithium Ion battery
# 1-Year Standard Limited Warranty
>> Bluetooth Monitor
>> Card Reader Controller (O2Micro)
>> Chip Set Utility (Intel)
>> Display Driver (Intel)
>> Modem Driver (Conexant)
>> LAN Driver (Marvell)
>> PROSet (Intel)
>> Touch Pad Driver (Alps Electric)
>> Touch Pad Driver (Synaptics)
>> Power Saver
>> Sound Driver (Conexant)
>> Wireless Lan Driver (Intel)
>> Wireless Lan Client Manager (Atheros)
>> Webcam driver (Chicony)
>> Touch Pad Utility (Toshiba)
>> Webcam driver (Chicony)
>> Wireless Lan Driver (Atheros)
>> Wireless Lan Driver (Realtek Semiconductor Corp)
