If your Dell Inspiron Desktop 3668 will not start, shows no picture, runs hot or has become slow, we can diagnose and repair it at our Bermondsey workshop. It is a desktop PC from 2016. Parts are matched to the exact chassis, so the model number matters when we quote.
- Model number
- 3668
- Released
- 2016
- Type
- Desktop PC
- Storage
- SATA bays and M.2, by configuration
- Memory
- DIMM slots
Dell Inspiron Desktop 3668 repairs and upgrades
Power supply repair
We test and replace failed power supplies. Many branded desktops use a manufacturer-specific unit, which we match to the exact chassis.
Windows repair and reinstall
This model does not meet Microsoft’s Windows 11 requirements, and Windows 10 reached end of support in October 2025. We can advise on the realistic options, including a lightweight Linux or ChromeOS Flex installation.
SSD and storage upgrade
The Dell Inspiron Desktop 3668 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 Dell Inspiron Desktop 3668 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 Dell Inspiron Desktop 3668, along with no-picture and no-boot diagnosis, port repair, Wi-Fi and Bluetooth card replacement and data transfer to a new PC.
What we see on the bench
- XPS and Inspiron desktops use some Dell-specific parts, including the power supply on several generations, so upgrades need checking against the chassis first.
- Adding an SSD as the boot drive and keeping the original hard drive for storage is the usual upgrade.
Data recovery from the Dell Inspiron Desktop 3668
Desktop drives are removed and imaged on our own equipment. If the Dell Inspiron Desktop 3668 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.
Where the Dell Inspiron Desktop 3668 sits in the range
Its nearest relatives in the Dell Inspiron, XPS and Vostro desktop range are the older Dell XPS Desktop 8900 (2015) and the newer Dell XPS Desktop 8930 (2017).
Questions
Can the SSD or memory in the Dell Inspiron Desktop 3668 be upgraded?
Drives can be added or replaced. Memory uses standard slots and can be increased.
My Dell Inspiron Desktop 3668 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.
Is a 2016 Dell Inspiron Desktop 3668 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.
Where do I find the model number on my desktop PC?
The model is on a label on the back, side or underside of the machine. Dell machines also carry a 7-character Service Tag, which identifies the exact build. For this model, look for 3668.