This page sets out the repairs, upgrades and data recovery we carry out on the Fujitsu Esprimo All-in-One K558, 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 2018. Parts are matched to the exact chassis, so the model number matters when we quote.
- Model number
- K558
- Released
- 2018
- Type
- All-in-one PC
- Screen
- 23.8-inch
- Storage
- SATA bays and M.2, by configuration
- Memory
- DIMM slots
Fujitsu Esprimo All-in-One K558 repairs and upgrades
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
Windows repair and reinstall
The Fujitsu Esprimo All-in-One K558 meets Microsoft’s Windows 11 requirements in most configurations. We upgrade from Windows 10, which reached end of support in October 2025, or reinstall Windows 11 cleanly with your files kept.
SSD and storage upgrade
The Fujitsu Esprimo All-in-One K558 has room for SATA drives and, on most boards, an M.2 SSD. The usual upgrade is an SSD for Windows and programs with the old drive kept for storage.
Price confirmed before work starts
Memory upgrade
The Fujitsu Esprimo All-in-One K558 uses standard desktop memory. We check the board’s limits and fit matched modules.
We also carry out motherboard repair, overheating and fan repair, virus removal on the Fujitsu Esprimo All-in-One K558, 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 Esprimo and Celsius desktop range
- Business desktops use manufacturer-specific power supplies and boards, matched to the exact model.
- An SSD and extra memory keep older units useful.
Data recovery from the Fujitsu Esprimo All-in-One K558
Desktop drives are removed and imaged on our own equipment. If the Fujitsu Esprimo All-in-One K558 has more than one drive, or a RAID array, bring the whole machine so we can see how it was set up.
Estimate the cost with our data recovery calculator, or read about recovering files after a ransomware attack.
Questions
Can the SSD or memory in the Fujitsu Esprimo All-in-One K558 be upgraded?
Drives can be added or replaced. Memory uses standard slots and can be increased.
My Fujitsu Esprimo All-in-One K558 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 Fujitsu Esprimo All-in-One K558 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.
Is a 2018 Fujitsu Esprimo All-in-One K558 still worth repairing?
It depends on the fault. A battery, SSD or charging socket is usually worth doing. A major board repair on an older machine may cost more than the machine is worth, and if that is the case we will say so.

