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Troubleshooting 85
Invalid password.
•
Enter your password again, making certain
to enter it correctly.
•
If you do not know the password, you may
need to reinstall the software you are trying
to access.
•
Startup passwords are stored in BIOS. If
this password has been set and is
unknown, you may be able to reset the
password via system board jumper
settings. See “Installing memory” on
page 29 for more information.
Keyboard clock line fail-
ure.
•
Try a working keyboard.
•
Make certain the keyboard is compatible
with the system. You may have to change
the switch setting to AT.
•
Replace the keyboard chip.
Keyboard controller fail-
ure.
•
Try a working keyboard.
•
Make certain the keyboard is compatible
with the system. You may have to change
the switch setting to AT.
•
Replace the keyboard chip.
Keyboard controller fail-
ure.
•
Try a working keyboard.
•
Make certain the keyboard is compatible
with the system. You may have to change
the switch setting to AT.
•
Replace the keyboard chip.
Keyboard not detected.
•
See “The keyboard doesn’t work.” on
page 79.
•
Turn off the system and check the keyboard
cable.
Keyboard stuck key fail-
ure.
•
Remove any objects that may be resting on
the keyboard, and then restart the system.
•
Check for sticky keys. Clean the keyboard if
necessary.
Error Message
Solutions
Содержание E-420
Страница 1: ...Maintaining and Troubleshooting Your E 4200 System ...
Страница 6: ...Preface Conventions used in this guide iv Safety instructions v Additional information sources vi ...
Страница 11: ...viii Maintaining and Troubleshooting Your E 4200 System ...
Страница 76: ...3 Chapter 3 BIOS Setup About the BIOS setup utility 66 Updating the BIOS 67 ...
Страница 98: ...A Appendix Specifications 88 Regulatory Compliance Statements 90 ...
Страница 103: ...92 Maintaining and Troubleshooting Your E 4200 System ...
Страница 107: ...96 Maintaining and Troubleshooting Your E 4200 System ...
Страница 108: ......