Laptop and Notebook Reviews

USB Troubleshooting not detected on laptop

• If the USB device is missing, go to the Device Manager. Under Universal Serial Bus controllers, double-click the USB Root Hub , and when the window opens, click the Power tab. The available ports and power usage are shown.
• Remove the devices and use a powered hub if the displayed power is over 500mA. To check the properties of a hub, double-click HUB and the hub information window will open.
• Remove high-speed USB cables that are over three meters and use high-speed cables that are less than three meters.
• Only use high-speed cables less than three meters with high-speed USB devices (Multifunction devices, scanners, and cameras).
• If the USB device is connected to a USB port on a keyboard, unplug it and plug it into a USB port on the computer or a powered HUB.
• There may be an issue with the USB port. Try plugging into a different USB port. If the USB device displays in Device Manager after plugging the cable into a different port, then uninstall and reinstall the USB device software driver.

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