OptiPlex GX520 – Windows 7 and 8.1 32 Bit

This model and Operating System is not supported by Dell.

Legacy BIOS

Recommended hardware Upgrades

SSD – Solid State Drives

It is recommended to upgrade it to 4 GB of RAM

Refer to the User’s Guide when upgrading components.

Windows OS

For best results Clean Install wiping all partitions:

OS Updates

System utilities 




See instructions on using the Microsoft Update Catalog and install drivers via the Device Manager.

Dell Backup and Recovery 

Only install if you have a larger than a 120 GB SSD/HDD

Note this system won’t be able to boot from a Rescue Disk (external hard drive) so make a Factory Backup (Bootable USB Flash Drive).

3 thoughts on “OptiPlex GX520 – Windows 7 and 8.1 32 Bit

  1. Audio Drivers for windows 7 check here:


    Analog Devices ADI 198x Integrated Audio

    Release Date: 1/24/2007
    Version: A255.12.01.7010
    Importance: Recommended
    Download Type: Driver
    File Format: Hard-Drive
    File Size: 3MB

    R145551.EXE 32 BIT

    R145149.EXE 64 BIT

    OptiPlex GX280
    OptiPlex GX520
    OptiPlex GX620
    OptiPlex SX280
    Precision 370
    Precision 470
    Precision 670

    Windows 7 x32 installed and working on GX520 2.8GHz 1GB

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