This is a guide on How to Disable Power Management on Windows 7 or Vista If you are using a desktop computer, chances are that you don’t want the computer to go to sleep automatically. This is even more the case if you are running Windows 7 or Vista in a virtual machine for testing purposes.
Disabling Power Management in Windows 7
Start by clicking on the power icon, and open up the More power options:
Under the “Additional plans” section, select High Performance, then “Change plan settings”:
Then change everything to “Never”, and save the changes:
Disabling Power Management in Vista
Disabling power management is simple and easy. First go to the start menu and click on the Control Panel.
Click on the System and Maintenance link:
Then click on the Power Options link:
Then select High Performance:
This will disable the automatic sleep mode, but will still turn off the display. You can click on Change Plan Settings to disable that as well if you want.
Disable Power Management – Windows®
If your Windows operating system is unknown, refer to Determining Software Version – Windows.
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Start Device Manager.
- Windows 10
- Right-click Start then click Device Manager.
- Windows 8
- Press the Windows key+X (
+X ) then select Device Manager.
- Press the Windows key+X (
- Windows 7
- Click Start > Control Panel > System and Security > Device Manager (under System).
- Windows Vista
- Click Start > (Settings) Control Panel > (System and Maintenance) > Device Manager.
If prompted, click Continue.
- Click Start > (Settings) Control Panel > (System and Maintenance) > Device Manager.
- Windows 2000/XP
- Click Start > (Settings) Control Panel > (Performance and Maintenance) > System > Hardware > Device Manager.
- Windows 10
- Expand Universal Serial Bus controllers and right-click the USB Root Hub for the data card (e.g. Novatel, Pantech, etc.) then click Properties.
- From the ‘Power Management’ tab, ensure “Allow the computer to turn off this device to save power” is not checked then click OK.
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- Restart the computer.
