When an usb pen drive is used for a long time, the usb interface may be unreadable for computer, it is probably because the usb port get loose, or there are some dusts in the usb port, you can use a swab to clean or go to the store to do some adjustment or try more times. You can try to change your usb flash drive to another, and then your computer can assign your device and the files on it can be shown. Change drive letter step 1. Step 2: you can see an unknown device in the drive list, right click it and choose to update drive software.
Step 2: find your usb in the list, right click it, choose to uninstall, pull out your usb, and connect it to your PC again. Reinstall drive step 2. Or you may directly right click your device here and choose 'Update Driver Software Scan for new hardware changes under Action. Step 2: You can see a unknown device in the drive list, right click it and choose to update drive software.
Update drive instruction step 2. Another method for updating media driver would be using a tool called ChipGenius that could read the type of your flash drive and show you what it is and then you may update its driver. Run cmd instruction. Apart from the above methods offered by the HP pen drive repair tools, the following fixes are also worth trying. If your USB cannot be recognized and turn to an unknown device on PC, you can try to update the device driver:.
Your USB may be infected with virus. The device driver is out of data 3. Your USB drive got some bad sectors. Your USB is underwrite protection somehow. Two recommended HP pen drive repair tools Scan your HP pen drive with anti-virus software to check if it got infected with virus. Insert your HP pen drive and see how the utility works Step 1. Still Need Help? Have your problem been solved?
Note: You may go back to your usb flash drive and then check whether it is working now! Step 5 - If the above fix does not work for your removable drive, try this following function - format, which is also provided in freeware Partition Resizer. And then leave the whole job to this freeware and wait to get it done.
Download Free Now. This free usb drive repair program is built with simple interface that can be used for removable usb drive repairing on the one simple main interface and it needs administrator prilivage to run it. This tool is efficient in fixing error Windows was unable to complete the format on usb drive.
Here are at least two efficient command lines that you may use for repairing your damaged flash drive. The command lines are a little bit more complicated for non tech-geek users. We would try to make them simple and easy to follow. Now you may check whether your flash drive is working now or not, if it still did not work, try the following methods. You need to know the drive letter of your flash drive in your computer to use chkdsk. You may check its drive letter by going to your computer and see what drive letter your flash drive is displayed there.
Also read: how to repair damaged flash drive using cmd. HP USB Format Tool provides simple interface to easily repair corrupted flash drives by formatting the usb flash drive. The whole process of using this tool needs only 4 steps that you can manage all the steps on the same interface.
HP usb format tool user guide.
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