HP EliteOne 800 G9 All-in-One Repair
This page sets out the repairs, upgrades and data recovery we carry out on the HP EliteOne 800 G9 All-in-One, with notes on what tends to go wrong and what can and cannot be upgraded. It is a 23.8-inch all-in-one PC from 2022. Parts are matched to the exact chassis, so the model number matters when we quote.
- Model number
- 800 G9
- Released
- 2022
- Type
- All-in-one PC
- Screen
- 23.8-inch
- Storage
- M.2 SSD, plus a 2.5-inch bay on some configurations
- Memory
- SODIMM slots
Repairs we carry out on the HP EliteOne 800 G9 All-in-One
Screen replacement
A cracked or dark 23.8-inch display is replaced with a matching panel. Where the picture is there but very dim, we test the backlight and its driver before condemning the panel.
Price confirmed before work starts
SSD and storage upgrade
The HP EliteOne 800 G9 All-in-One has an M.2 slot and, on some configurations, a 2.5-inch bay. Machines that shipped with a hard drive are much faster once moved to an SSD.
Price confirmed before work starts
Memory upgrade
Most configurations of the HP EliteOne 800 G9 All-in-One have SODIMM memory slots, so memory can be increased. We check what is fitted and the maximum the board supports.
Windows repair and reinstall
The HP EliteOne 800 G9 All-in-One shipped with Windows 11. We repair start-up faults, reinstall Windows cleanly with your files kept, and remove malware.
We also carry out motherboard repair, overheating and fan repair, virus removal on the HP EliteOne 800 G9 All-in-One, along with stand repair, no-picture and no-boot diagnosis, port repair, Wi-Fi and Bluetooth card replacement and data transfer to a new PC.
Known issues with the HP All-in-One, EliteOne and ProOne range
- HP all-in-ones use laptop-style components behind the display, which is removed to reach most parts.
- A black screen with the PC still running usually points to the panel or its backlight.
Data recovery from the HP EliteOne 800 G9 All-in-One
The SSD in the HP EliteOne 800 G9 All-in-One can be removed and imaged on our own equipment, so files can usually be recovered even when the machine will not start. Recent Windows machines often have device encryption or BitLocker switched on. If so we will need the recovery key, which is normally saved in your Microsoft account.
Estimate the cost with our data recovery calculator, or read about recovering files after a ransomware attack.
Where the HP EliteOne 800 G9 All-in-One sits in the range
Its nearest relatives in the HP All-in-One, EliteOne and ProOne range are the older HP EliteOne 800 G8 All-in-One (2021) and the newer HP OmniStudio X 24 All-in-One (2026).
Questions
Can the SSD or memory in the HP EliteOne 800 G9 All-in-One be upgraded?
The M.2 SSD can be replaced, and some configurations also have a 2.5-inch bay. Memory is in slots on most configurations and can be increased.
My HP EliteOne 800 G9 All-in-One will not turn on. Is my data lost?
Usually not. The drive is separate from the fault in most cases, and we can remove it and copy your files even if the machine itself is not worth repairing.
How much does a HP EliteOne 800 G9 All-in-One screen replacement cost?
Price confirmed before work starts. The exact figure depends on the part your machine needs, and we confirm it before any work starts.
Where do I find the model number on my all-in-one PC?
The model is on a label on the back, side or underside of the machine. For this model, look for 800 G9.