re: Missing Power Management Tabs For USB HID Mouse / Keyboard
Sunday, September 27, 2009 at 11:23 am
Windows XP Annoyances Discussion Forum
Posted by DonR
(1 messages posted)
Get post! I wanted to see the power management tab in order turn off the power
to the USB ports when machine was turned off.
Your fix allowed the power management tab to display.
The "Allow the computer to turn this device off to save power" option remains greyed
out ... but by unchecking the "Allow this device to bring the computer out of standby"
option the problem seems to have been solved.
Thx
On Monday, July 20, 2009 at 9:36 pm, Andrew Klages wrote:
>Ok I got the problem solved by following a Microsoft Knowledge Base registry edit.
>
>I simply opened the registry and navigated to HKLM>SYSTEM>CurrentControlSet>Services.
> Under Services I added a new key called "usb". In the "usb" key I added a REG_DWORD
>called "USBBIOSx" with a value of "0x00000000". I also added the REG_DWORD "USBBIOSx"
>= "0x00000000" to any other keys that started with the letters "usb" in the Services
>key.
>
>After restarting the computer, the power management tabs appeared for both the keyboard
>and mouse. I was able to enable both the keyboard and mouse to wake the system
from
>standby.
>
>By using dumppo.exe and the registry mod described above, I've successfully gotten
>S3 (save to memory) standby to work with no fans running and my USB mouse and keyboard
>are able to wake the system up reliably.
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