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Auto-disabling devices to save power

post #1 of 3
6/29/10 at 7:13pm
Thread Starter 
In Linux, you can set different power schemes to unload modules responsible for particular hardware, say CDROM, PCMCIA port, Firewire etc.

In Windows, I can of course go to Device Manager and do it manually, BUT it would be much more desired to have it disable selected devices automatically whenever I switch from AC to Battery power.

Is there a program that enables such a thing on Windows?
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post #2 of 3
6/30/10 at 2:33am
Not that I have seen, reason being is windows being 'plug n pray' needs a lot of devices on to work esp with ACPI - switch the wrong one off and you get a BSOD... Some devices you can control through their driver, such as USB devices, ie wifi card, webcam, bluetooth, but they must be USB (they now use USB interface a lot on laptops for this reason).... It is probably still one of the holy grails within windows...
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post #3 of 3
6/30/10 at 4:15am
Quote:
Originally Posted by Mr T View Post
Not that I have seen, reason being is windows being 'plug n pray' needs a lot of devices on to work esp with ACPI - switch the wrong one off and you get a BSOD... Some devices you can control through their driver, such as USB devices, ie wifi card, webcam, bluetooth, but they must be USB (they now use USB interface a lot on laptops for this reason).... It is probably still one of the holy grails within windows...
Very informative explanation

OP - how about setting up another user profile for when you go to battery performance to disable devices that you don't need? Another workaround besides doing it manually

cheers ...
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