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Mac mini (Mid 2010) Symptom Charts — Input/Output Devices 80
2010-08-03
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
1. If wireless keyboard is being used verify that it is
properly paired with the system. Go to ‘Wireless
Input Device Doesn’t Pair’ symptom ow to
resolve pairing issues.
2. 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 http://support.apple.com/kb/TS1578
for additional information.
3. Inspect the keyboard for signs of liquid spills or
other contamination. Apple’s warranty does not
cover accidental damage.
4. If the keycap is loose attempt to reattach it.
5. For other keyboard issues jump to the
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.
• Mouse scroll ball not working
or not working as expected.
• Mouse buttons not working or
not working as expected.
1. The Mac mini has 4 USB ports on the rear of the
computer. Make sure to try each port to isolate a
particular port malfunction.
2. Test with a known good wired keyboard or
mouse to isolate a failed peripheral issue. .
3. Ensure that all available Software Updates have
been applied to the computer for access to the
latest bug xes.