HP 540 User Manual

Torx T8M2.5×4.0 screw
Color Quantity Length Thread Head diameter
Black 3 4.0 mm 2.5 mm 5.0 mm
Where used: 2 screws that secure the speaker to the computer
Where used: One screw that secures the top cover to the base enclosure
Torx T8M2.5×4.0 screw 109

HP 540 Specifications

General

Processor	Intel Core 2 Duo
Hard Drive	5400 RPM
Display Resolution	1280 x 800
Graphics	Intel GMA X3100
Weight	2.27 kg
Battery	6-cell Lithium-Ion
Battery Life	Up to 4 hours
Processor Speed	2.0 GHz
Display	14.1-inch
Wireless	802.11a/b/g
USB Ports	3
Optical Drive	DVD±RW
Operating System	Windows Vista