Mac mini (Late 2009) Symptom Charts — Input/Output Devices 73
2009-11-03
Keyboard: Specic Keys Do Not Respond
Quick Check
Symptoms Quick Check
Keyboard: Specic Keys Do Not
Respond
One or more keys do not •
respond when pressed
Key sticks•
Keycap missing•
If wireless keyboard is being used verify that it is 1.
properly paired with the system. Go to ‘Wireless
Input Device Doesn’t Pair’ symptom ow to
resolve pairing issues.
The caps lock key has a built-in delay to reduce 2.
accidental activation and must be held for
approximately ½ second for it to be activated.
Refer to http://support.apple.com/kb/TS1578
for additional information.
Inspect the keyboard for signs of liquid spills or 3.
other contamination. Apple’s warranty does not
cover accidental damage.
If the keycap is loose attempt to reattach it.4.
For other keyboard issues jump to the 5.
appropriate symptom ow.
Wired Keyboard/Mouse Not Recognized
Quick Check
Symptoms Quick Check
Wired Keyboard/Mouse Not
Recognized
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 1.
computer. Make sure to try each port to isolate a
particular port malfunction.
Test with a known good wired keyboard or 2.
mouse to isolate a failed peripheral issue. .
Ensure that all available Software Updates have 3.
been applied to the computer for access to the
latest bug xes.
