Apple MC233LL Service Guide - Page 157

Battery, Notebook Battery and Adapter Diagnostic

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- If the issue IS present when booting from a known good OS, then you can suspect the issue is NOT caused by the customer's boot drive or software on it, but might be caused by another hardware component. 2. If a specific application quits: - Verify that the application is compatible with the installed version of OS X. - Attempt to replicate the issue in a new User Account. If the issue is present in a new User, reinstall the application. If the issue is NOT present in a new User, the issue may be caused by corrupt cache or preference files in the affected User account(s). 3. Reset PRAM. (After restart, hold down the Command-Option-P-R keys until you hear the startup chime at least one additional time after the initial startup chime). 4. Run Disk Utility. Refer to sections in the General Troubleshooting section regarding "Reinstalling software using Remote Install Mac OS X or Reinstalling software using the MacBook Air SuperDrive." 5. Perform an Archive & Install (or an Erase & Install as appropriate) of the system software using the Software Install and Restore DVD. Refer to sections in the General Troubleshooting section regarding "Reinstalling software using Remote Install Mac OS X or Reinstalling software using the MacBook Air SuperDrive." Note: Restore images are available at AppleCare Service Source (http://service.info.apple.com/ssol/). Select "Disc Images." 6. Run Apple Service Diagnostic (ASD) in loop mode (Control-L) for an extended time to test the memory and logic board functions. If the test finds bad memory or other logic board related failure, replace the logic board. Battery The Notebook Battery and Adapter Diagnostic should always be used when testing a battery or AC adapter issue on any Intel-based portable computer. See the following article for more information about the diagnostic and about warranty coverage for batteries: kBase CP165: "SERVICE: Portable Computer Battery and Adapter Screening Process" Before troubleshooting battery-specific issues, make sure to check Software Update in the System Preferences or see the Apple Software Updates web page for battery-related software updates. The battery won't charge 1. Remove any externally connected peripherals. 2. Connect a known-good Apple 45W Portable Power Adapter and power cord/plug to a known- good power outlet. With the DC plug properly inserted, the LED should light up; if not, go to the "MagSafe connector" troubleshooting section. 1. Reset the SMC (power manager) as described in "Resetting the System Management Controller (SMC)" under "Troubleshooting Tips and Tricks" in the previous chapter. 2. Replace battery. MacBook Air Troubleshooting - Symptom Charts 157

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MacBook Air Troubleshooting — Symptom Charts
157
- If the issue IS present when booting from a known good OS, then you can suspect the
issue is NOT caused by the customer’s boot drive or software on it, but might be caused by
another hardware component.
If a specific application quits:
2.
- Verify that the application is compatible with the installed version of OS X.
- Attempt to replicate the issue in a new User Account.
If the issue is present in a new User,
reinstall the application.
If the issue is NOT present in a new User, the issue may be caused
by corrupt cache or preference files in the affected User account(s).
Reset PRAM. (After restart, hold down the Command-Option-P-R keys until you hear the
3.
startup chime at least one additional time after the initial startup chime).
Run Disk Utility
4.
. Refer to sections in the General Troubleshooting section regarding
“Reinstalling software using Remote Install Mac OS X or Reinstalling software using the
MacBook Air SuperDrive.”
Perform an Archive & Install (or an Erase & Install as appropriate) of the system software using
5.
the Software Install and Restore DVD. Refer to sections in the General Troubleshooting section
regarding “Reinstalling software using Remote Install Mac OS X or Reinstalling software
using the MacBook Air SuperDrive.”
Note
: Restore images are available at AppleCare Service
Source (
). Select “Disc Images.”
Run Apple Service Diagnostic (ASD) in loop mode (Control-L) for an extended time to test
6.
the memory and logic board functions. If the test finds bad memory or other logic board
related failure, replace the logic board.
Battery
The
Notebook Battery and Adapter Diagnostic
should always be used when testing a battery
or AC adapter issue on any Intel-based portable computer.
See the following article for more
information about the diagnostic and about warranty coverage for batteries:
kBase CP165: “SERVICE: Portable Computer Battery and Adapter Screening Process”
Before troubleshooting battery-specific issues, make sure to check Software Update in the System
Preferences or see the Apple Software Updates web page for battery-related software updates.
The battery won’t charge
Remove any externally connected peripherals.
1.
Connect a known-good Apple 45W Portable Power Adapter and power cord/plug to a known-
2.
good power outlet. With the DC plug properly inserted, the LED should light up; if not, go to the
“MagSafe connector” troubleshooting section.
Reset the SMC (power manager) as descr
1.
ibed in “Resetting the System Management
Controller (SMC)” under “Troubleshooting Tips and Tricks” in the previous chapter.
Replace battery.
2.