Part 1. Reason for Code 43
There is an exclamation mark against the faulty device in Device Manager. You can find Code 43 in [Device status] by double-clicking the icon like the figure below:
Part 2. Solutions for Code 43
Solution 1: Restart PC
If Code 43 occurs again, it is proved that it not a temporary hardware problem. Then, you can try solution 2.
Solution 2: Remove Device and Connect Again
The following situations may occur because of the insufficient power supply.
Generally speaking, a 2.5-inch mechanical hard disk at 500G needs 500mA power ; a 2.5-inch one at 1T needs 700mA.
That is to say, 1000mA is sufficient for such USB device.
However, the 3.5-inch removable memory device is not included because it needs external power supply.
Solution 3: Delete Other USB Devices
Some devices are not compatible with each other, so Windows will stop these devices.
Solution 4: Reinstall Driver Software for USB Devices
Solution 5: Update Driver Software
Solution 6: Repair with Windows 10 Troubleshoot
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