Hi, you may need a data recovery program to scan and recover data from unrecognized SSD
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Solution 1: Disconnect the system from the power supply

1. Turn off the computer using the Windows shutdown option

2. Disconnect the power cable from the computer and wait a few minutes.

3. Reconnect the power cable and start the computer.

Solution 2: drive recognition in Windows

If the current USB port does not detect a trip, try connecting to a different USB port. Try disconnecting the drive from the USB port and connecting it to another USB port on your computer. When working on a new USB port, you need to change the external hard drive to a port that can be used normally. If the USB port does not recognize the device, try another solution.
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Solution 3: update drivers

● Press the Windows + R keys together, then type devmgmt.msc in the Run dialog and click OK.

● Expand Disk Driver and right-click on the connected external USB drive.

● Click Properties and select the Driver tab.

● Click Update Driver Software and follow the additional instructions to update the driver.

Restore data from SSD

Download and install Bitwar Data Recovery software for free.

Step 1: Launch Bitwar Data Recovery software and select the external hard drive that you wish to be recovered.

Step 2: Select the scan mode and click "Next".

Step 3: After scanning, filter the scanned files you want, double-click to preview them, and after making a selectable decision, click the "Recover" button to save them to an accessible hard drive or other external device.

Hope it can help you.