Model numbers: 840 G3, 840 G4
The EliteBook 840 G3 and G4 are still common in offices and schools. They are built to be serviced, and an SSD and memory upgrade can give them several more years.

Which model do you have?
The model is printed on the underside label, for example "HP EliteBook 840 G3".
Common faults we fix
- Swollen battery lifting the keyboard or touchpad
- Cracked screen, including Sure View privacy screens
- Keyboard keys failing after spills
- Charging faults
- Hinge damage from being opened by one corner
Repairs we carry out
- Screen replacement, including touch and privacy screens
- Keyboard replacement
- Battery replacement
- Charging port and board repair
- Hinge and case repair
- SSD and memory upgrades
Your data
Older units may have a 2.5-inch hard drive, newer ones an M.2 SSD. Either way the drive is removable, so if the laptop fails we can usually recover your files from it. An SSD upgrade is also the best way to speed up an older machine. See our data recovery service.
Bring it in
Walk in to Unit 1, 80 Willow Walk, London SE1 5SY, Monday to Saturday, 9am to 6pm, or call 020 7237 6805. We confirm the fault and quote before starting any work.