Flash Drive NOt Recognized - USB Flash Drive Not Show Up on My Computer

Flash Drive Is Connected, but It Is Not Showing Up on "My Computer" 

Did you meet such a problem when you need to work on your files that are stored on your USB flash drive, but it is not showing up when you connect the flash drive to your computer? Don’t worry if you really meet such a problem. Now you only need to spend a few minutes to do some simple things to check the USB flash drive.
1. Plug out the USB flash drive and insert to another USB port and another computer to see if it will work well.
2. Have a try with Start > Computer > Right click > Manage > Disk management to see if you can find the USB flash drive there.
If both of the two methods above lead to no result, you should try to find the reasons why USB flash drive is not showing up on "My Computer".

Download the Following Software to Recover Data

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You might meet the similar problem on other removable disk like CF card. When you attach your CF card to your computer, the CF card is not recognized by PC. In this situation, you can also use the data recovery software to retrieve lost data.
Find the Reasons Why USB Flash Drive Is Not Showing Up

When using USB flash drive to transfer data form one computer to another one can cause drive letter conflicts that will prevent the flash drive being recognized as an available storage media. You can assign a letter to the flash drive to make it visible again.

Besides, if the file system of the USB flash drive is not recognized by the computer it will also cause USB drive not recognized on computer. For example, if you format the flash drive with Mac file system, it will not be readable by computer which runs a Windows system.

Get the Solution to Make USB Work on "My Computer" without Data Loss

If you can find the reason why USB flash drive is not showing up on My Computer, it will be good. However, whether you can find the reasons or not, recovering important form the not recognized flash drive is the most important thing. You can restore files through the data recovery software below,

Free download the recovery software, and then it will search for all data inside the USB flash drive. Simply, the software will search for the data by scanning. Then it will show you all found files after scanning. One big feature of both two freeware is that you can preview the found files after scanning. If you are not satisfied with the scanning result, you can reuse the software to scan the flash drive again. Finally, you can restore all found files with one mouse click.

Steps to Recover Data from USB Flash Drive

With any one of the freeware above, you can recover any type of files from USB flash drive. Below are the steps to recover data from your flash drive.
Step1. Download, install and start the software on your computer.
Step2. Choose a recovery module.
Step3. Scan the selected USB flash drive.
Step4. Preview all files after scanning.
Step5. Recover all selected files you want and save them. 

References
Memory card recovery software

Hard disk drive raw

External hard drive raw

Micro sd card not format error

Format recovery