USB Keeps Disconnecting

If your USB device intermittently disconnects, follow the steps given in this article:

Fix error

Step 1

USB Keeps Disconnecting? Download Repair Tool

ST Cleaner is compatible with Windows 10/8.1/8/7/Vista/XP
By clicking to download, you agree to these Terms See Features & Functions

 

Disable USB Selective Suspend Setting

Customize your computer’s power settings using the “Change plan settings” link ahead of active plan in the Power Options page. Go to advanced power settings page, and then expand USB Settings | USB Selective Suspend Setting nodes. Set it “Disabled” for both “On battery” and “Plugged in”. Save changes; exit & restart.

Turn off Smart Auto

Reboot your computer. Load the BIOS Setup screen using F2 or Delete key repeatedly. Press F7 key to go to the Advanced menu. Disable the Smart Auto feature under XHCI Mode after scrolling down the page. After saving and exiting, your computer shall reboot again.

Update USB 3.0 Host Controller Driver

It is essential to update latest USB 3.0 Host Controller Device in order to fix internal bugs causing this issue. You can obtain updates from here:

Update Display Link Host App

DisplayLink Technology feature may not be working properly. Update it to the latest release to avoid technical conflicts.

Perform BIOS Update

To obtain latest BIOS update compatible with your system, please visit the manufacturer’s website, go to the Downloads section, select your system specifications and get a compatible update. Installing older BIOS update causes this issue. Close all open programs before installation.

Change USB Power Management Settings

Fire up the list of all devices. Expand a node named “Universal Serial Bus Controllers” and then “USB Root Hub”. Disable a feature that lets your system shutdown your USB to save power. This feature is located in the Power Management tab

Change Upper Filter Configs

Do not delete the Upper Filter keys. Using the RegEdit tool only change some configurations related to the Upper Filters as instructed below:

Expand the following subkey:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}\UpperFilters

Make sure it only says mouclass. Remove klmouflt if it exists.

Test Other Ports

Check whether other USB ports of your laptop incur the same issue. The problem may be limited to only one port because of physical reasons. Contact your laptop manufacturer to diagnose the problem by replacing faulty cable or USB port.

Reinstall Corrupted USB Driver

In the Device Manager, you will see the list of all devices in the left panel, where you’ve to expand the top node and then “Universal Serial Bus Controllers” node. Uninstall and reinstall faulty, incompletely installed or corrupt USB driver.