If the computer stops responding or a solid blue screen appears —
CAUTION: You might lose data if you are unable to perform an operating system shutdown.
If you are unable to get a response by pressing a key on your keyboard, or by moving the connected mouse or a finger on the touch pad, press the power button for at least
8 to 10 seconds until the computer turns off and then restart your computer.
Solving Problems
If a program is designed for an earlier Microsoft Windows operating system —
Run the Program Compatibility Wizard. The Program Compatibility Wizard configures a program so that it runs in an environment similar to an earlier version of Microsoft Windows operating system.
To run the Program Compatibility Wizard:
1.Click Start 
→ Control Panel→ Programs→ Run programs made for previous versions of Windows.
2.In the welcome screen, click Next.
3.Follow the instructions on the screen.
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