Article ID : S500007061 / Last Modified : 11/04/2018

Check items when the computer does not accept entries from the keyboard correctly.

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The computer does not accept any entry from the keyboard.
or
Characters other than entered from the keyboard are displayed. (You cannot enter certain characters.)

Check if [Num Lock] is enabled. If you cannot enter characters such as {(0), (U), (I), (O), (P), (J), (K), (L), (M), ([ ), (;) and (/)}, [Num Lock] may be enabled. (You can check the LED status)

If the [Num Lock] key is not enable, check the [Device Manager] tab of the [System Properties] screen, check if the keyboard is set to [Standard 101/102-Key or Microsoft Natural Keyboard]. If the keyboard is set to other keyboard type, output characters of some keys are different from what you entered. In MS-DOS, check if you can enter characters correctly. If you can enter correctly, Windows (software) may cause this problem. If the symptom persists after performing the above, there may be a hardware problem. Contact the service center for repair.