System information

Mac mini (Mid 2011) Symptom Charts — Input/Output Devices 85
2011-07-21
5. With optical media in an
external optical drive, hold the
Media Eject key. Does the disc
eject normally and the eject
symbol appear?
Yes Media eject key delay. No
repair necessary.
No Refer to external optical drive
troubleshooting
6. Open System Preferences >
Universal Access > Keyboard. Is
“Slow Keys” enabled?
Yes With “Slow Keys” on, you need
to press a key for a longer
period of time for it to be
recognized.
No Go to step 7
7. Open System Preferences >
Universal Access > Keyboard. Is
“Mouse Keys” enabled?
Yes With “Mouse Keys” on, you
cannot use the Numeric
Keypad to enter numbers. It
will move the mouse pointer
instead.
No Go to step 8
8. Open System Preferences >
International > Input Menu.
Check “Keyboard Viewer”.
Then, from the Input Menu in
the Menu Bar (ag), choose
“Show Keyboard Viewer”. When
typing on the keys that are not
responding, do they show in
the Keyboard Viewer?
Yes The keys are being
recognized. Go to step 9
No The keys are not being
recognized. Replace the
keyboard.
K01
9. Open TextEdit or another text
application and try typing
something using the non-
responding keys. Do they type
in another application?
Yes Application specic issue.
Troubleshoot the application.
No Test another User to isolate
a User account issue. If the
issue persists when logged as
an other user, start up from
known-good original system
media or an up-to-date,
bootable OS X volume and
restore with latest version of
Mac OS X..