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I'd say no right now ...

I have tried to get the e521 working without success using the RTM version of Windows 7. When copying files, the system generally freezes up (no mouse, no keyboard, no activity at all). I then need to do a hard-reboot. This is using a new hard disk, and a clean install of Win7. I have also tried updating drives from Windows Update, and using available Vista drivers. Nothing works... This same system was up for months without any crashes using Windows XP and is going back to XP.

If Microsoft fixes whatever issues it has with this hardware, I'd then say yes with the memory caveat listed below.

Yes. If yours was equipped with 512 MB of RAM, you will probably want to upgrade it to at least 1 GB (the machine supports up to 4 GB).

ADDED 23 Jan 2010: It looks like a definite NO. When I ran the Dell-branded Win 7 Upgrade Assistant it clearly stated that the E521 is not compatible with Windows 7 (although it does meet the hardware requirements) and refused to continue with the Upgrade Installation that i wanted. I doubt if Microsoft has any issues to fix. It is Dell that has failed to release suitable drivers for their E521, or for other Dimension PCs.

COMMENT 10 April 2010: I (not original author of this reply) am running Windows 7 64-bit on my Dimension E521 (4MB memory, bios 1.1.4) works great and had no problem installing.

Comment 25 July 2010: (not original author) I am also running Win 7 (64-bit) on my Dimension E521 and have been for about 6 months. Technically it was an upgrade from XP, but in reality it is a clean install and requires you to reload all of your programs, update drivers, etc. I recommend upgrading the RAM to 4GB, it will run noticeably faster. Also, the Aero user interface has somewhat limited functionality with the stock video card, but nothing major, just some limited visual effects. Upgrading the video card will fix this, but that may also require upgrading the power supply.

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13y ago
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11y ago

Yes, I have W7 on mine.

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Q: Can you run Windows 7 on a Dell Dimension e521?
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