An error occurred while updating dota 2 disk io failure
In fact, a disk read error is not a problem that can be solved by a simple restart.
But don’t worry, this post will tell you top seven useful solutions to a disk read error occurred SSD.
Here we strongly recommend Mini Tool Partition Wizard Professional Ultimate Edition.
This edition has a feature called "Bootable Media" based on Win-PE; it is designed to manage disks and partitions when the operating system fails to boot or when there is no operating system.
Therefore, repairing the MBR or boot sector might be able to fix the issue"A disk read error occurred" with USB boot.
When turning on the computer, the first boot screen will usually show you what key to press to go into the BIOS.
You can refer to this guidance How to Enter The BIOS On Your Computer. In the boot order section, check to make sure the correct hard drive is placed as the first boot priority before any others in the listing.
To do this, purchase Mini Tool Partition Wizard Pro Ultimate Edition and use "Bootable Media" to create a bootable USB flash drive or CD/DVD.
After that, restart the computer from the bootable device you just created.