HP ProBook 6540b User Manual

7–14 Maintenance and Service Guide
Screw listing
Phillips PM2.5×9.0 captive screw
Where used: 4 captive screws that secure the heat sink to the system board (screws are secured to the computer by
O-rings)
Color Quantity Length Thread Head diameter
Black 4 9.0 mm 2.5 mm 5.0 mm

HP ProBook 6540b Specifications

General

Graphics	Intel HD Graphics
Operating System	Windows 7 Professional
Processor	Intel Core i5-430M
RAM	Up to 8GB DDR3
Storage	250 GB HDD (7200 rpm)
Display	15.6-inch diagonal LED-backlit HD anti-glare (1366 x 768)
Battery	6-cell Li-Ion
Weight	2.6 kg (5.7 lbs)
Chipset	Mobile Intel HM57 Express
Optical Drive	DVD+/-RW SuperMulti DL
Wireless	802.11a/b/g/n
Ports	USB 2.0, VGA, DisplayPort, eSATA, RJ-45, headphone/microphone combo jack