HP ProBook 6550b User Manual

Primary memory module
Description Spare part number
4096-MB (1333-MHz, DDR3) 599092-002
2048-MB (1333-MHz, DDR3) 598856-002
1024-MB (1333-MHz, DDR3) 598859-002
Before removing the primary memory module, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery on page 72).
5.
Remove the keyboard (see
Keyboard on page 88).
Remove the primary memory module:
1.
Position the computer with the front toward you.
2. Pull away the retention clips (1) on each side of the memory module to release the memory
module. (The memory module tilts up.)
CAUTION: To prevent damage to the memory module, hold it by the edges only. Do not touch
the components on the memory module.
Component replacement procedures
91

HP ProBook 6550b Specifications

General

RAM	Up to 8 GB DDR3
Operating System	Windows 7 Professional
Network	Gigabit Ethernet
Storage	Up to 500GB HDD
Display	15.6-inch diagonal LED-backlit HD anti-glare
Graphics	Intel HD Graphics
Weight	2.5 kg (5.5 lbs)
Battery	6-cell or 9-cell Lithium-Ion
Chipset	Mobile Intel HM57 Express
Optical Drive	DVD+/-RW SuperMulti DL
Wireless	802.11a/b/g/n
Audio	Integrated stereo speakers, Integrated microphone
Ports	USB 2.0, VGA, DisplayPort, eSATA, RJ-45, headphone/microphone combo jack
Processor	Intel Core i5 or i7