The error messages might include, but are not limited to, the following: Unable to process the request. An unexpected error has occurred. PowerPoint Web App encountered an error. Please try again. Word Web App cannot open this document due to an unknown error.
1. Power button/Alien head button - Press to turn on the computer if it is turned off or in Sleep state. Press to shut down the computer if it is turned on. Press and hold for 4 seconds to force shut-down the computer.