An error occurred while updating dota 2 disk io failure
If this error happened to you, you have come to the right place - we have 7 useful solutions for you to fix this problem.A disk read error is very common; it usually occurs as soon as your computer boots up from SSD, HDD or another hard drive and has affected a large number of users of Windows 10/8/7/XP.When turning on the computer, the first boot screen will usually show you what key to press to go into the BIOS.
Therefore, repairing the MBR or boot sector might be able to fix the issue"A disk read error occurred" with USB boot.
You can use a professional and reliable partition and disk management tool - Mini Tool Partition Wizard - to repair your MBR in Windows XP/7/8/10.
As a dedicated partition manager, Mini Tool Partition Wizard could be used for many operations such as resize/move/extend/copy/wipe partition, rebuild MBR, migrate OS to SSD/HD, copy disk, recover lost partition, perform data recovery, and so on.
Changing this setting might be enough to help your computer boot normally.
If it is still unbootable, try the next solution to fix disk error occurred.