If your computer often has the problem of U disk disconnecting and reconnecting, then you can try the following four methods to solve this problem.
Method 1: Preliminary inspection
Step 1 : Plug the USB stick into another computer and check if you are facing the same problem. If yes, then you need to replace the USB stick. If not, there could be a problem with your USB port.
Step 2: Once you've made sure the USB flash drive is working, try plugging it into a different port on your PC and checking to see if you're getting the same error. If your PC continues to get errors, you can choose any of the following methods to resolve the issue.
Method two: Disable USB selective suspend
If your PC is set to disable USB devices after a certain length of time, you may experience an issue where the USB keeps disconnecting when navigating to the Power Management tab. To ensure that this setting is turned off, do the following:
Step 1 : Press the Windows key +R simultaneously on your keyboard. Then enter the powercfg .cpl.
Step 2: Click Change plan settings next to Pre-selected power options.
Step 3 : Now click change advanced power settings and a new window will open.
Step 4: Locate and expand USB Settings, then under Settings, select Disable and press OK.
Step 5: Restart your computer and see if the USB flash drive keeps disconnecting.
Method Three: Change the power management settings
To save power, your PC system may automatically close some gadgets on your computer. It can also turn off your external hard drive or USB gadget, which can cause problems.
Step 1 : Press Windows+R simultaneously on the keyboard, then enter devmgmt.msc and press Enter.
Step 2: The list of drivers and devices will appear in the Device Manager window. Double-click the USB root hub located under the Universal Serial Bus controller.
Step 3: Navigate to the Power Management tab and make sure the check box next to Allow the computer to turn off this device to save power is selected. Then press the OK button.
Step 4: In your Device Manager window, repeat this process for all USB root hubs.
Step 5: Reconnect the USB port and check that your USB device is working properly.
Method Four: Update the USB driver
Here we are going to use [Smart Driver Care] it is a practical driver fix. The specific repair steps are as follows:
Step 1: Download and install Smart Driver Care. (Software installation package included: https://www.waodown.com/3488.html)
Step 2: Then, run the software using a desktop shortcut.
Step 3: Select "Scan Now" to begin the scanning process.
Step 4: A list of driver errors will be displayed on the screen. Click the Update Driver link next to it to update the driver.
The above method is the method summarized by Xiaobian according to the feedback of major netizens, you can try it in any order, I hope it will help you.