Which laptops does 840688-001 fit? 840688-001 (HP service part) is documented to fit 4 laptop models: HP ProBook 640 G2, HP ProBook 645 G2, HP ProBook 650 G2 and HP ProBook 655 G2. Fits come from OEM documentation (HP service guide), last checked 2026-11-04; not bench-tested. Full compatibility list.
HP spare part description: "Optical drive Blu-ray combo for 14 inch products". Documented OEM replacement; see each fit for configuration limits.
Devices documented to accept this OEM component. Compatibility from OEM documentation or a labelled source, with a confidence level on each fit; not bench-tested.
| Model | Brand | Last checked | Confidence |
|---|---|---|---|
| HP ProBook 640 G2 All service part for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 645 G2 All service part for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 650 G2 All service part for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 655 G2 All service part for this model | HP | 2026-11-04 | OEM documented |
HP description: "Optical drive Blu-ray combo for 14 inch products". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 40, 56: "840688-001" (Optical drive Blu-ray combo for 14 inch products). (via MG fold)
HP description: "Optical drive Blu-ray combo for 14 inch products". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF pages 40, 56: "840688-001" (Optical drive Blu-ray combo for 14 inch products). (via MG fold)
HP description: "Optical drive/Blu-ray combo for 14-inch products". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF page 56: "840688-001" (Optical drive/Blu-ray combo for 14-inch products). (via MG fold)
HP description: "Optical drive/Blu-ray combo for 14-inch products". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide, PDF page 56: "840688-001" (Optical drive/Blu-ray combo for 14-inch products). (via MG fold)
Summary of the documented fits above (sources on each model card); not bench-tested.
| Model | Brand | Type |
|---|---|---|
| HP ProBook 640 G2 | HP | Business laptop |
| HP ProBook 645 G2 | HP | Business laptop |
| HP ProBook 650 G2 | HP | Business laptop |
| HP ProBook 655 G2 | HP | Business laptop |
Repair guides for the HP ProBook 640 G2: 37 guides
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide
840688-001