Справочник Пользователя для Apple LATE 2009

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

 2009-11-03

One or more keys do not 

• 

respond when pressed
Key sticks

• 

Keycap missing

• 

If wireless keyboard is being used verify that it is 

properly paired with the system. Go to ‘Wireless 

Input Device Doesn’t Pair’ symptom flow to 

resolve pairing issues.
The caps lock key has a built-in delay to reduce 

accidental activation and must be held for 

approximately ½ second for it to be activated. 

Refer to 

for additional information.
Inspect the keyboard for signs of liquid spills or 

other contamination. Apple’s warranty does not 

cover accidental damage.
If the keycap is loose attempt to reattach it.

For other keyboard issues jump to the 

appropriate symptom flow.

USB wired keyboard/mouse not 

• 

recognized when plugged in.
Mighty Mouse scroll ball not 

• 

working or not working as 
expected.
Mighty Mouse buttons not 

• 

working or not working as 
expected.

The Mac mini has 5 USB ports on the rear of the 

computer. Make sure to try each port to isolate a 

particular port malfunction.
Test with a known good wired keyboard or 

mouse to isolate a failed peripheral issue. .
Ensure that all available Software Updates have 

been applied to the computer for access to the 

latest bug fixes.