SanDisk Flash Drive Not Detected by Windows PC
USB drives are important tools in transferring files as well as bootable devices in
booting systems. However, USB drive is not recognized by Windows happens now and
then. One user just complained that his SanDisk 128GB USB flash drive is not
recognized on the computer in his Windows 7. The SanDisk USB works pretty well last
week, yet it just no longer working this time. When he plug it into the computer,
the little light on the Cruzer Glide flashes and it shows up as a “USB drive” in
Windows Explorer but is always empty when clicked on.
Except for SanDisk Cruzer Glide, other usb drives like Cruzer Blade, Ultra Dual
Drive, Ultra Flair, and Ultra Fit may also have this kind of 128GB USB flash drive
not recognized problem. Well, what on earth caused this problem?
The Cause of Cruzer Flash Drive not Detected by Windows PC
The cause of SanDisk USB devices not recognized varies from one user to the other.
The reason changes from Windows configurations to the USB drive itself. Therefore,
to find out the corresponding affecting factor is quite necessary. In general, below
several elements might be the main causes.
Bad USB ports.
Corrupted registry entry.
Applications for mobile devices affected the recognizing.
Your SanDisk 128GB USB drive has corrupted files or bad sectors.
The flash drive is not formatted properly.
How to Fix SanDisk USB not Recognized Issue?
Take different measures for different causes. You can try the USB drive on another
computer to test if the USB port is functional. If there are corrupted files on the
USB drive, delete them. You can turn to SanDisk USB erase
files when you cannot delete those files manually.
Solution 1: delete
corrupted registry entry
As covered before, a corrupt registry entry could cause your SanDisk product to not
be detected by the computer. Removing the registry keys created on installation of
your SanDisk product will allow the computer to fully reinstall the device and may
resolve the issue. Run regedit.exe to start Registry Editor. Delete ONLY this key in
Then reboot and insert the SanDisk USB. You may want to backup all keys before you do
Solution 2: disable application for mobile device
Additional, it is reported by SanDisk support that some applications for mobile
devices such as Samsung KIES and HTC Sync may prevent the USB flash drive being
recognized correctly. So check if you have installed and started any similar
applications. If yes, turn them off for your 128GB flash drive to be recognized.
Solution 3: format SanDisk 128GB USB drive correctly
If the 128GB USB drive is not formatted correctly, you need to run chkdisk and format
the drive. Some users say their SanDisk 128GB USB flash drive not recognized by
Readyshare due to incorrect file system format. Under such condition, a reliable and
powerful USB format tool will be great help. Surely, you can format the 128GB in
Diskpart. Please see format
Intenso USB drive for detailed steps of using Diskpart.
The only drawback of Diskpart is that it does not allow you to format USB drive or SD
card that larger than 32GB to FAT32 file system. In this case, AOMEI Partition Assistant
Professional is helpful. It can help you format the SanDisk 128GB USB drive
to FAT32, EXT2, EXT3 and NTFS to meet different system requirements. It has
user-friendly interface and works in Windows 10, 8, 7, XP, and Vista. Download to have a try.
1. Insert the USB drive to your computer. Install and run AOMEI Partition
2. Right click the USB drive at the main interface and select “Format Partition”.
3. In the pop-up small window, specify the partition label and choose the right file
system. And then click “OK”.
4. Click “Apply” to execute the operation.
Tips: if you don’t want to lose data on the USB drive, you can trychange file
system without formatting.
When you encounter the “SanDisk 128GB USB flash drive is not recognized on the
computer” issue, stay calm and find a way out. As a matter of fact, AOMEI Partition
Assistant can format
bootable USB drive to normal in Windows 7 as well. By the way, it is always
allowed to restore
partition on USB drive if you want to abandon the formatting.