Which touchpad fits the HP ProBook 640 G2? OEM part numbers

8 touchpads are documented for the HP ProBook 640 G2: 840719-001, 840720-001, 840721-001, 840751-001, 840752-001 and 3 more. 8 of 8 come from OEM documentation (h10032.www1.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old touchpad and any constraint before ordering.

Part numberPartConstraintsConfidenceLast checked
840719-001HP Top cover, 14 inch, with TouchPad 840719-001HP description: "Top cover, 14 inch, with TouchPad". OEM documentation only; not bench-tested.OEM documented2026-11-04
840720-001HP Top cover, 14 inch, TouchPad and pointing stick 840720-001HP description: "Top cover, 14 inch, TouchPad and pointing stick". OEM documentation only; not bench-tested.OEM documented2026-11-04
840721-001HP Top cover, 14 inch, TouchPad, on/off button, bracket 840721-001HP description: "Top cover, 14 inch, TouchPad, on/off button, bracket". OEM documentation only; not bench-tested.OEM documented2026-11-04
840751-001HP Top cover, 15 inch, with TouchPad 840751-001HP spare part: Top cover for 15" products with a TouchPad. OEM documentation only; not bench-tested.OEM documented2026-11-12
840752-001HP Top cover, 15 inch, TouchPad and pointing stick 840752-001OEM documentation only; not bench-tested.OEM documented2026-11-12
840753-001HP Top cover, 15 inch, TouchPad, on/off button, bracket 840753-001OEM documentation only; not bench-tested.OEM documented2026-11-12
845170-001HP Top cover, 14 inch, TouchPad, pointing stick, on/off button, 845170-001HP description: "Top cover, 14 inch, TouchPad, pointing stick, on/off button, bracket". OEM documentation only; not bench-tested.OEM documented2026-11-04
845172-001HP Top cover, 15 inch, TouchPad, pointing stick, on/off button, 845172-001OEM documentation only; not bench-tested.OEM documented2026-11-12

Where do these HP ProBook 640 G2 touchpad part numbers come from?

8 of 8 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-12.

Are these touchpads tested in the HP ProBook 640 G2?

No. Fits come from manufacturer or retailer documentation and are not bench-tested. Check the part number on your old part and any listed constraint.

How to replace it

Steps paraphrased from the manufacturer service manual, with page citations. Not bench-tested.

All documented parts for the HP ProBook 640 G2.

Other parts for the HP ProBook 640 G2

Battery (1) · Keyboard (6) · Bottom Cover (4) · Fan (5) · Screen (8) · Power Adapter (5) · Cable (4) · Hinge (3) · Service Part (20) · Hinge Cover (5) · Card Reader (1) · RTC Battery (1) · Motherboard (33) · Fingerprint Reader (3) · Speakers (1) · I/O Board (1) · Memory (5) · Wireless Card (1) · Display Bezel (4) · Display Cable (4) · Display Back Cover (4) · SSD (30) · Hard Drive (6) · Antenna (2) · Screw Kit (2) · Camera (1) · Microphone (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-640-g2) or the keyless JSON API.

Key facts

Model
HP ProBook 640 G2
Part type
Touchpad
Documented parts
8
OEM-documented fits
8 of 8
Source sites
h10032.www1.hp.com
Last checked
2026-11-12
Tested
Not bench-tested; documentation only