Apple Mac mini 2009 Dokumentacja Pobierz pdf (Strona 71)

Mac mini (Late 2009) Symptom Charts — Input/Output Devices 71

2009-11-03

Wired Keyboard Does Not Function Properly

Quick Check

Symptoms Quick Check

Wired Keyboard Does Not

Function Properly

Some or all keys on the •

keyboard don’t work

Eject key or Caps Lock key •

doesn’t seem to work

Some keys don’t work as •

expected

The system has 5 USB ports on the rear of the 1.

computer. Make sure to try each port to isolate a

particular port malfunction.

Test with a known good wired keyboard to 2.

isolate a failed peripheral issue.

Test the keyboard on another Mac. If it works 3.

here, you may have bad USB port if the keyboard

doesn’t work at all, or a software issue if the

keyboard is working but not as expected.

Ensure that all available Software Updates have 4.

been applied to the computer for access to the

latest bug xes.

Deep Dive

Check Result Action Code

Do any of the keys on the 1.

keyboard work?

Yes Go to step 2

No Go to USB Port Doesn’t

Recognize Devices symptom

Is the Caps Lock working as 2.

expected?

Yes Go to step 3

No Go to Keyboard: Specic keys

do not respond symptom

Is the media Eject key working 3.

as expected?

Yes Go to step 4

No To prevent accidentally

ejecting media, Mac OS X

adds a slight delay to the

Media Eject key before it

takes eect. Go to step 5

Open System Preferences > 4.

Speech. Is “Speak selected

text when the key is pressed”

enabled?

Yes The key combination to speak

text cannot be used for any

other purpose. Either disable,

or change to a more rare

key combination (including

Shift, Command, Option and

Control).

No Go to step 6 M15

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