HP ProBook 6540b User Manual

4–58 Maintenance and Service Guide
Removal and replacement procedures
18. If it is necessary to replace the microphones and cables:
a. Release the tabs 1 built into the display enclosure shielding that secure the microphone cables.
b. Release the microphone receivers from the clips 2 built into the display enclosure.
c. Release the microphone cables from the clips and routing channel 3 built into the bottom edge of the
display enclosure.
d. Remove the microphones and cables 4. The microphones and cables are included in the Display Cable Kit,
using the following spare part numbers:
◆ 583956-001—for use only with HP Compaq 6545b and 6540b computer models equipped with an HD+
display assembly
◆ 583230-001—for use only with HP Compaq 6545b and 6540b computer models equipped with an HD
display assembly
◆ 593990-001—for use only with HP Compaq 6445b and 6440b computer models equipped with an HD+
display assembly
◆ 583231-001—for use only with HP Compaq 6445b and 6440b computer models equipped with an HD
display assembly
Reverse this procedure to reassemble and install the display assembly.

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