If the “USB Device Not Recognized”keeps poping up in Windows 10/8/7, you can try the 12 solutions listed on this page to solve this issue effectively.
“USB device not recognized. The last USB device you connected to this computermalfunctioned, and Windows does not recognize it” in Windows 10 and Windows 8.
Why “USB Device Not Recognized” keeps popping up?
Before trying to tackle with this issue, it is better to firgure out why this erroroccurs in Windows 10/8/7. After a long time of research, we complied the followingpossible reasons.
The currently loaded USB driver has become corrupted or unstable;
USB drivers need to be updated;
USB drive may be entering selective suspend;
USB drive has not been formatted correctly.
12 Solutions to “USB Device Not Recognized”
To resolve this issue, follow the steps in the solutions below in the order listed. If the first solution does not solve the “USB Device Not Recognized pop up” problem, proceed to the next one.
Solution 1. Reconnect USB device or restart computer
The simple “retry” kind method seems to be a solution to all computer hardware and software problems. Try the following methods one by one.
1. Disconnect the failed device and reconnect it to the machine to see whether it can be recognized by the machine.
2. Insert problem device into another USB port of this machine to try. If it works and the USB device can be detected by your PC, it means it is the former USB port instead of the device that has a problem. Check the USB port for possible physical damage like dust accumulation, physical shape change or get wet.
3. Try the target device on another healthy computer, if it still can’t be detected, the most probable result is that the device is damaged.
4. Restart your machine to check out. If it doesn’t work, try to first unplug USB devices, then restart computer and reinsert the devices.
If all those ways fail, keep going.
Solution 2. Remove other USB devices and leave the one with problems
In order to connect more devices to our PCs, we usually choose to connect one or more USB hubs to the computer and connect even more USB devices to the USB hub. Too many USB devices on the same machine may cause a conflict and stop running of some devices. To avoid this, you can unplug some or most other USB devices.
Solution 3. Fix with “eject” function
Sometimes, the USB device is not recognized intermittently is due to the irregular operation, such as plug it out of the computer without first ejecting it safely.
Just connect the target device to another working machine. Only when the computer recognizes the USB device, right-click the device and choose “Eject…” and plug out the USB. Insert the USB device to the original computer and it might be detected as normal.
Solution 4. Update your USB driver in Device Manager
When the device drivers are outdated, there are chances that your USB cannot berecognized. Therefore, update the USD device driver to see if the “USB Device NotRecognize” error can be fixed.
1. Right-click on Start menu and type in devmgmt.msc to open Device Manager.
2. Browse and expand Universal Serial Bus Controllers, and youmight find the device is marked as Unknown devices.
3. Right-click on the Unknown devices. Click on Properties,the Driver tab and then click Update Driver.
If updating the drivers didn’t work, you can click “Uninstall Device” in step 3above to uninstall the USB hard drive, then restart your computer to let Windows reinstall the USB controller drivers automatically. Then check if the error still pops up.
Solution 5. Update Generic USB Hub
If you have one or more “Generic USB Hub” listed in the Universal Serial Bus Controllers option in Windows Device Manager, update it/them may help.
1. Right-click on the first Generic USB Hub and choose “Update Driver Software”.
2. In the next window, select “Browse my computer for driver software”.
3. Next, select “Let me pick from a list of device drivers on my computer”.
4. Then, choose “Generic USB Hub” in “Select the device driver you want to install for this hardware column”. In the common cases, there is only this option. If not and there is nothing listed, you should uncheck “Show compatible hardware” to see a list of all the drivers on your computer. Click on the appropriate manufacturer in the left list and the correct driver on the right list.
5. Click “Close” when it finishes.
Refresh the Device Manager window to see whether the unknown device be recognized or not. If not, continue to update the next Generic USB Hub.
Solution 6. Setup USB Root Hub
1. In the expanded Universal Serial Bus Controllers list in Windows Device Manager, right-click on one of the “USB Root Hub” and select “Properties”.
2. In the pop-up USB Root Hub Properties window, move to Power Management tab and uncheck “Allow the computer to turn off this device to save power”. Then, click “OK” to save changes.
Tip: Repeat the operations to setup all USB Root Hub items.
3. Finally, restart computer.
Solution 7. Update BIOS
Go to BIOS to disable target USB device and restart computer. Then, return to BIOS and enable the USB device. Note that you must have a PS2 port on your computer as an alternative for all USB devices will be unavailable once you disable them in BIOS, including mouse and keyboard.
Solution 8. Update motherboard’s chipset drivers
1. Find out the motherboard manufacturer of your computer in one of the following ways:
◆Check out computer documentation.
◆Search “msinfo32” in Start or Run window to open System Information window and find motherboard manufacturer name (System Manufacturer or BaseBoard). This way only for Windows 8 and Windows 10.
◆For Windows 7, in Start Menu, click “All Programs – Accessories – System Tools – System Information”.
2. Visit the official website of your computer manufacturer and download the latest chipset drivers.
Solution 9. Completely reformat USB device
Reformatting could solve many USB device problems like USB detected but not accessible,USB flash drive not showing up in disk management and more. So here you can alsotry this method.
Generally, you can format it in Disk Management, but sometimes it does not worksince the Format option greyed out. It is suggested to try a professional formattingtool- AOMEI Partition Assistant Standard. This freeware could format USB flash drive, SD card, memory cardsand other hard drives to most popular file systems such as FAT32, NTFS, Ext2/3/4,exFAT, etc. Below we will take formatting USB device to FAT32 in Windows 10 forexample.