OptiPlex GX520 – Windows 7 64 Bit

It is not advised to spend too much money upgrading this over a decade 2007 system, as it is cheaper to purchase a more capable Second Hand Business Desktop than a new OS License. This PC can run Windows 7 64 Bit borderline. It’s processor does not pass Windows 10 64 Bit requirements.

System Upgrades

Service Manual

Dell Service Manual

Memory Upgrade:

This system supports 4 GB of RAM (2×2 GB Modules).

amazon.com Crucial CT2KIT25664AA800

amazon.co.uk Crucial CT2KIT25664AA800

Solid State Drive 3.5 “

Upgrading to a Solid State Drive

Legacy BIOS

OS Updates

System Utilities




Analog Devices: Add to Basket then View Basket and download and isntall via device manager.

Follow instructions here for using the Microsoft Update Catalog then follow instructions here for driver installation via the device manager.


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