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Knowledge Hurts – a blog of thoughts, things and stuff.

Enable DMA in Windows even if it’s greyed out

Without DMA your PC is getting really lame. Mine too. Why does my Windows keep disabling DMA all the time though?

The answer seems to be simple: If an error occurs, Windows sets DMA to disabled, which is quite an itch if you don’t want to trash your laptop right after the first 2 months of use.

So. Here is how to alter your Windows settings to reenable DMA even if it detects PIO mode automatically. Add a DWORD value in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\Class\{4D36E96A-E325-11CE-BFC1-08002BE10318}001

named ResetErrorCountersOnSuccess that has the value 1. Done. It’s as easy as that. Or you can use Linux. Thats even more easy, I think.

A good idea can also be to follow the informations on http://winhlp.com/node/10

Read on! Knowledge hurts.

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One Response to “Enable DMA in Windows even if it’s greyed out”

  1. Keep writing your blog ~!


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