iMac (27-inch, Mid 2010) — General Troubleshooting 20
2010-09-09
General Troubleshooting
Wireless Troubleshooting
If you’re having issues with Bluetooth and wireless connectivity issues, refer to the following:
• TS3048 Troubleshooting wireless mouse and keyboard issues
• HT3887 Wireless input devices: Bluetooth frequently asked questions
• HT1365 AirPort and Bluetooth: Potential sources of interference for wireless devices
and networks
• HT3903 Apple Wireless Keyboard and Mouse: How to install batteries
• HT4273 About Apple Magic Trackpad Update 1.0 for Windows
• HT4254 About: Magic Trackpad and Multi-Touch Trackpad Update 1.0
• HT 4275 About Apple Battery Charger
• Bluetooth Service Diagnostic (BSD) self-paced training
• Bluetooth Troubleshooting Course
Update System Software & Firmware
Important: Ensure the correct version Mac OS X and latest software and rmware updates
have been applied before you begin troubleshooting. Computers sometimes exhibit
symptoms that indicate the wrong Mac OS X system software is installed.
Firmware is the name given to software that is written into memory circuits such as ash
memory, that will hold the software code indenitely, even when power is removed from
the hardware. Firmware on Intel Mac computers is designed to be updated if necessary by
running the Mac OS X Software Update check (available in the Apple menu) while computer is
connected to the Internet. For more information about rmware updates, refer to:
kBase # HT1557: About rmware updates for Intel-based Macs
Troubleshooting Theory
For general information on troubleshooting theory, go to GSX and nd the Service Training
course menu link. From there you can access the Troubleshooting Theory self-paced course.
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