Hard Disk Spins Down as long as Battery is in Laptop

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Posted by Brock Dute on Ask Ubuntu See other posts from Ask Ubuntu or by Brock Dute
Published on 2010-12-10T00:11:32Z Indexed on 2011/01/11 15:59 UTC
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Hi,

I just figured out today that as long as the battery is in my laptop, it doesn't matter if it's fully charged while plugged in, Ubuntu always spins down my hard drive. I noticed this because there was a huge difference in speed when I removed the batteries.

My settings for power management is basically:

  • on AC power, don't spin down harddrive, dont suspend or anything
  • on battery power, basically save as much power as possible

I assumed that if I plug in my laptop, it'll use the On AC Power settings no matter what but apparently, this isn't so. Is there a way to "fix" this?

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