Which laptops does M21391-001 fit? M21391-001 (HP screen) is documented to fit 2 laptop models: HP ProBook 440 G8 and HP ProBook 640 G8. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP spare part: Display panel, FHD, 250 nits, Touch-on Panel (TOP). 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 440 G8 All screen for this model | HP | 2026-11-12 | OEM documented |
| HP ProBook 640 G8 All screen for this model | HP | 2026-11-12 | OEM documented |
HP spare part: Display panel, FHD, 250 nits, Touch-on Panel (TOP). OEM documentation only; not bench-tested.
HP Maintenance and Service Guide pdf_2598703, PDF page 29: "M21391-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide pdf_12638334, PDF page 27: "M21391-001". The fetched guide names this part for this model. (via v10 fold 2026-11-12)
Summary of the documented fits above (sources on each model card); not bench-tested.
| Model | Brand | Type |
|---|---|---|
| HP ProBook 440 G8 | HP | Business laptop |
| HP ProBook 640 G8 | HP | Business laptop |
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide
M21391-001