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| IMac 27" 2014 Single beep on boot repair | |
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Problem description
Solving a problem with the iMac 27" (2014) where the computer emits a single beep on booting up.
Symptoms
- Single beep on boot
Solution
The single beep on boot is caused by a shorted capacitor on the headphone jack (Figure 1). Disconnect the headphone jack and test to see if beep is gone. Remove headphone jack (it is double sided taped on) and test caps for continuity, remove or replace shorted cap (usually discolored). It is not strictly necessary to replace it, the value is unknown.