Dimension E521 – Windows 7 64 Bit – The Unofficial Windows 10 Reinstallation Guide

Dimension E521 – Windows 7 64 Bit

This model and Operating System is not supported by Dell.

Hardware Upgrades

SSD – Solid State Drives

RAM – Random Access Memory 4 GB recommended

Crucial Part: http://www.crucial.com/upgrade/Dell-memory/Dimension+%2f+Dimension+XPS/Dimension+E521-upgrades.html

Unofficially users have reported using 8 GB of RAM in this model. this part here (from the E520) should work: http://www.crucial.com/store/mpartspecs.aspx?mtbpoid=AEC3C615A5CA7304

Refer to the Service Manual when replacing hardware.


See Updating the BIOS.

OS Updates
System utilities





Install the registry file and then the audio driver. New untested.

Card Reader

Dell Media Card Reader with Integrated Bluetooth Module (CAB-200), Media Card Reader 19-1 with Integrated Bluetooth*



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