After I opted out of the Steam Client beta the update resumed and finished normally. First I checked the disk and the file system, they are both okay.I then opted back in to the Steam Client beta and installed the game "Black Mesa" that I had bought during the Halloween sale but hadn't installed yet.Some programs or services can lead to I/O device errors.You need to put your operating system in clean boot state — that is, to start your system with a minimal set of drivers and startup programs.aiso i have tried installing it with safe mode , anti vir.I/O device error is an error that many Windows users have come across.You can download and install your drivers by using either Free or Pro version of Driver Easy.
By doing so, you can identify whether the error you have met is caused by your computer or your drive or disk.b) Press Windows logo key and R key on your keyboard at the same time to open Run dialog. Now you need to select Selective startup and untick Load startup items. At this time try accessing your drive or disk and redo the action that incurred the error. If so, refer to the steps above to enable the services one by one to identify which application is the culprit.After that, you can disable or uninstall the problematic program in order to prevent the issue.They include: An I/O device error occurring indicates that problems are on hardware devices or media, such as hard drive, flash drive, SD card, CD or DVD, etc.But sometimes the problem can also result from faulty programs or drivers.Driver Easy will automatically recognize your system and find the correct drivers for it.You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.This method can help you identify exactly which application is causing trouble. (You need to hide all Microsoft services first, or you will disable some secure services and bring about unexpected consequences.) After that click on OK.Note that to perform a clean boot, you will need Administrator Privileges of your operating system.a) Log onto your operating system as Administrator. c) On General tab in System Configuration window, you can see the default setting is Normal startup. e) Restart your computer, and it will boot into clean boot state.1) Perform basic troubleshooting 2) Perform a clean boot 3) Update drivers 4) Contact hardware manufacturer Once you have met an I/O device error, you should check the connection of your devices.Make sure the connector is properly connected to the port, and the cable is not defective, no matter what device you are using.