How to fix Error Code 0x800701B1 on Windows 10

Several users encountered Error Code 0x800701B1 when they attempt to copy and paste or transferring some files in Windows File Explorer. This error is also got reported while trying to install Windows 10 on a hard disk drive (HDD) that is connected via a USB port.

There might be several reasons to be responsible for this error code but insufficient USB 2.0 port, incompatible/inconsistent driver, or insufficient PSU Output are some major ones. Here in this article, we have listed out some possible ways that may help you to fix this error code.

An unexpected error is keeping you from copying the file. If you continue to receive this error, you can use the error code to search for help with this problem.

Error 0x800701B1: A device which does not exist was specified

How to fix Error Code 0x800701B1 on Windows 10

Fix Error Code 0x800701B1 on Windows 10

So given below are the methods to fix this Error Code 0x800701B1:

1. Use a different USB port for plugging HDD/ SSD

Connecting the affected drive to USB 3.0 port instead of USB 2.0 classic port might help in fixing the Error Code 0x800701B1.

This method will fix the error in the case when the problem occurs due to insufficient transfer speed or insufficient power. Since USB 3.0 is more effective for better transfer speed, so try this method once and let us know if it works.

If you don’t find this method useful then try the next one.

2. Reinstall Drivers

Driver inconsistency/incompatibility is another possible factor that can cause Error Code 0x800701B1. In this case, you need to install a new version that would be compatible with the hard drive. The detailed instructions for doing so is given below:

  • Press Windows logo key+ R to open the Run dialog box.
  • Type devmgmt.msc in the Run dialog box and hit OK.
  • In the Device Manager window, search for Disk Drivers and expand the drop-down menu.
  • Now right-click on the culprit driver that is triggering this error code, and hit on Uninstall Device.
  • Wait for the process to complete and restart your computer.

This will uninstall the current driver and switch your Windows to the generic driver.

Note: In the case when the problem solved, either leave the generic driver or install the dedicated driver using your manufacturer website.

3. Upgrade your PSU

The insufficient power supply by the PSU (Power Supply Unit) can also cause this error to occur. So, if you’re still facing this problem, remove all the non-essential peripheral devices connected to your computer and see if it solves the problem.

The resolution of the error confirms that the problem is in the Power Supply Unit. After this, you should go for a PSU with more than 500W.

I hope the above methods help you fix Error Code 0x800701B1.


  1. thank you very much!!!!!!

  2. Some how, entering in Windows Installation on Safe Mode (F8 on start up, after copying Windows ISO with Rufus), solved the problem. I was able to install Windows without this error.

Comments are closed.