Apple MD094LL/A Manuale Utente

Pagina di 287
iMac (27-inch, Mid 2010) Symptom Charts — Input/Output Devices 
94
 2010-09-09
Input/Output Devices
Apple Remote Inoperable
Unlikely cause: LCD display, power supply, hard drive, optical drive, fans
Quick Check
Symptoms
Quick Check
Apple Remote Inoperable
•  Apple Remote doesn’t bring up 
Front Row
•  Apple Remote doesn’t control 
iTunes
•  Apple Remote doesn’t control 
computer volume
1.  Make sure Apple Remote is within 30 ft. of 
computer, and has an unobstructed line-of-sight 
to computer.
2.  Make sure lens end of Apple Remote is pointing 
directly at front of computer.
3.  Make sure “Disable remote control infrared 
receiver” checkbox in System Preferences > 
Security is not checked.
4.  Ensure that all software and firmware updates for 
this model have been installed to take advantage 
of any available bug fixes.
Deep Dive
Check
Result
Action
Code
1.  Open Photo Booth or iChat’s 
video preview window. Point 
Apple Remote at built-in 
camera and press any button 
on Apple Remote. Verify if a 
white, flashing light is visible in 
video preview.
Yes
Apple Remote is functioning. 
Go to step 2.
No
Replace Apple Remote 
battery. 
Go to step 3.
2.  Open System Preferences 
> Security. Verify if “Unpair” 
setting is available in this 
preference panel.
Yes
Click “Unpair” button to 
disable possible pairing with 
another Apple Remote. 
Go to step 4.
No
Possible IR board issue. 
Go to step 5.
3.  With replacement battery, 
verify if white flashing light 
is visible coming from Apple 
Remote in video preview 
window.
Yes
Battery issue. Issue resolved.
X05
No
Apple Remote defective. 
Replace Apple Remote.
X04