This lets the controllers recover the USB port from its unresponsive condition. Same for other USB devices, like HDD, TV card (USB-powered), etc. Also read: How to Disable USB Ports in Windows 10. By default, Windows enables the power saving feature all USB ports known as USB Selective Suspend. Indicates whether the USB driver stack must reset the device when the port resumes from a sleep cycle. The option to autorun the program from a USB drive is outdated now as operating systems like Windows 7, 8, and 10 have USB autorun fully disabled. I want to disable only F:\ programmatically. That command will show a list of all present USB devices. The procedure involves modifying the Windows registry so it's recommended to back up the registry in case something goes wrong (in 99% cases it won't). Once the Device Manager is up, locate the 'Universal Serial Bus controllers' to find the list of all the USB hardware available on your. If the port sends the wrong signal to your computer suggesting the USB device has been removed, your PC will automatically play the device disconnect sound. I've already tried to use this CMD command to disable the device: reg add HKLM\SYSTEM\CurrentControlSet\Services. Name the new key StorageDevicePolicies and press Enter. Now i know you need to go to your BIOS and choose a diffrent setting but as i only want to turn off the power from specific USB ports that is not the option im looking for. NOTE: In Windows Vista, you'll have to click on "Edit" button after selecting the user or group in "Group or user names" list and then again select the same user or group in new dialog box.Now you can click on "Deny" checkbox. To prevent Windows from "managing" power to your USB controller or devices, follow these steps: Open Device Manager by typing device manager in the Start > Search panel.
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