Microsoft KB Archive/70461

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Tetris for Windows Toggles NUM LOCK Key Off

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Q70461

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a

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SUMMARY
When Tetris for Microsoft Windows 3.0 starts, it turns off the NUM LOCK key if this key is enabled. Tetris requires that the NUM LOCK key be turned off for proper operation of the keys on the numeric keypad. The NUM LOCK key's state is not restored when you exit Tetris. The NUM LOCK key must be pressed again to reenable it.

Some OEM versions of DOS and keyboard BIOS may not accept the function Tetris uses to turn off the NUM LOCK key. In addition, there is a problem that occurs with DOS applications and the NUM LOCK key after exiting Tetris for Windows. If the NUM LOCK key is on, it is turned off when executing any MS-DOS applications. Windows applications are not affected.

WORKAROUND
Manually turn off the NUM LOCK key before Tetris is executed, and keep it off until play is finished with Tetris. Press the NUM LOCK key on before starting MS-DOS applications.

MORE INFORMATION
If the NUM LOCK key is automatically toggled off after exiting your MS-DOS applications, it may take more than one press before the NUM LOCK key is actually enabled again. This problem consistently occurs only on computers configured with MS-DOS versions 4.01 and earlier. It does not occur with later versions of MS-DOS.

Additional query words: 3.00 win30 3.00a

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Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a