Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.
Applies to
HP ProBook 640 G2. Confirm the exact model on the service label before starting.
HP ProBook 640 G2 Notebook PC memory module replacement. HP prints this procedure on printed page 52 of its maintenance and service guide.
tools and parts
- Screwdrivers and a non-marking pry tool as HP lists for this procedure
- Static-safe work surface
preparation
Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.
- Power the machine down. (printed page 38).
- Detach every external device wired to the machine. (printed page 39).
- Cut the power by pulling the cord out of the wall outlet and after that unplugging the AC adapter from the machine. (printed page 38).
replacement
- Take the following parts out: a. Service door (the Service door section is on page 37). b. Battery (the Battery section is on page 38). c. Hard drive (the Hard drive section is at page 39). d. Solid-state drive (see Solid-state drive (choose products only) at page 41). e. WWAN module (see WWAN module (choose products only) on page 42). f. WLAN module (the WLAN module section is on page 44). g. Optical drive (the Optical drive section is on page 46). h. Keyboard (the Keyboard section is on page 48). (printed page 52).
- Line up the notched rim (1) of the memory unit with the tab in the memory module slot. (printed page 53).
- Using the memory unit at a 45-degree angle from the face of the memory module compartment, push the unit (2) into the memory unit slot until it is seated. (printed page 53).
- Gently push the memory unit downward, applying pressure to both the left as well as right edges of the memory module, until the clips click into place. (printed page 53).
Part numbers in our catalog
- HP Memory 691739-001 (691739-001)
- HP Memory 691740-001 (691740-001)
- HP Memory 693374-001 (693374-001)
- HP Memory 820569-001 (820569-001)
- HP Memory 820570-001 (820570-001)
Check each part page for its source and variant notes before ordering.
Manufacturer manual
HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-640-g2-memory-module-replacement-p52