root hub

  1. A

    Windows 7 All USB Ports are on one Root Hub

  2. There is high CPU usage when using a USB audio device connected to a USB 2.0 EHCI host controller

    Fixes an issue in which a computer has high CPU usage when a full-speed USB 2.0 audio device is connected to a high-speed hub which is connected to the root hub or a high speed USB audio device is used. More...
    • News
    • Thread
    • audio device cpu usage device driver ehci controller high speed microsoft performance root hub support troubleshooting usb audio
    • Replies: 0
    • Forum: Knowledge Base (KB)
  3. J

    Windows 7 USB Root Hub and Code 19

    I recently upgraded from Vista 32-bit to Windows 7 32-bit and have run into an issue with my USB ports. Basically, if I plug any device (notably a USB pen drive) which requires automatic installation by windows, all of the devices attached to USB ports go dead. In the device manager, all of the...
    • Jtcgh
    • Thread
    • code 19 configuration issues device manager driver installation driver issues error codes external devices gigabyte hardware conflict installation issues microsoft drivers pen drive registry error root hub safe mode troubleshooting usb usb ports vista upgrade windows 7
    • Replies: 9
    • Forum: Windows Help and Support
  4. R

    Windows Vista how to save settings in USB Root Hub

    Here's a skill testing question. For whatever reason, let's say I uncheck the check marks in the USB Root Hub (in Device Manager). I reboot, but they're right back there. Let's reverse the scenario ... let's say they're presently empty and I go to put the check marks in there. Upon rebooting...
    • RIPSNORT
    • Thread
    • check marks configuration device manager reboot root hub settings troubleshooting usb windows
    • Replies: 3
    • Forum: Windows Help and Support