Can't edit or delete files on your USB? It might be write-protected! Here's how to fix it and get your drive working again.

Before you write off the USB drive, you have several options at your disposal. First, you should check that the drive is correctly connected to the computer. Changing the USB port can sometimes help.

If your USB flash drive is not copying files, format your file type to NTFS. However, you may also need to gain administrator permission to fix the issue.

Connect the Voltmeter: Simply connect the USB voltmeter to the USB port you want to test. The device will display the voltage, current, and power output of the port.

To determine the power, current, and voltage of a USB socket, Windows on-board tools, freeware, and test sticks from $10 can be used.

Struggling with a write-protected USB drive? Learn how to remove write protection and regain full access to your files with these simple steps.