Your PC is likely to shut down this way when the metallic contacts of the USB port are touching each other or are not connected properly, or there’s a device onboard (including the connected USB device) draining a lot of power, or the motherboard or Power Supply Unit (PSU) being faulty. We’ll aid you try a number of solutions to this problem in this article. Be sure to try to software fixes first before you head over to the hardware.
Method 1: Reinstall USB Drivers
Disconnect all USB devices from the computer and proceed with the following steps. Note: Also visit your manufacturer’s website on how to update your devices BIOS.
Method 2: Perform a System Restore
Some users fixed this issue after doing a simple system restore. This system restore guide will show you how to perform a system restore.
Method 3: Check USB Connectors
This method requires you to open up your PC. Inspect the metallic connectors of your computers and make sure they’re fully connected to the motherboard. If the terminals are soldered to the motherboard like in the case of a laptop, check if they’re soldered properly and do proper soldering if they aren’t.
Method 4: Check Connected Devices
Certain devices many develop faults and consume more than required power from your PC, causing it to shut down. Make sure the device you’re connecting to your PC doesn’t consume too much power. You can try connecting to another PC to confirm. If everything is alright on another PC, try disconnecting some components on-by-one from the computer which you suspect might be consuming too much power e.g Camera, speakers, etc.. until you find what’s causing the issue.
Method 5: Change the Power Supply Unit
The PSU provides power to all the components of the PC. It’s more like the heart of the computer. A faulty PSU is one of the most probable reasons your PC is shutting down when an external device is connected. You should try changing the Power Supply Unit of the computer and confirm if the issue has been solved. If you use a laptop, try changing the power adapter or charger. You can get a new or refurbished Power Supply Unit from Ebay or a number of hardware shops online. Be sure to get a high quality unit this time.
Method 6: Disable USB Ports
This really isn’t a lasting solution, but a method of last resort. If none of the above method work, try disabling the USB ports all together. You can use other means like using the network to transfer your data. You can disable your USB ports by:
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