Apple macbook pro User Manual

MacBook Pro Troubleshooting — General Information 181
Hold down “D” and restart the computer.
2.  
Follow the on-screen instructions.
3. 
Note: Previously, the option key was held down to boot into a boot picker.  You are no longer 
able to see the AHT volume using boot picker.
Apple Service Diagnostic (ASD) 3S101
Notes:
ASD 3S101 is not backwards compatible with previous Macintosh notebook computers.
• 
Starting with MacBook Pro, like AHT the Apple Service Diagnostic version numbering 
• 
changed.  All...

MacBook Pro Troubleshooting — General Information 18 2
Resetting the Power Manager (SMC)
Power management is now handled by a chip called SMC.  Previously, it was handled by the 
Power Management Unit (SMC). To reset the SMC:If the computer is on, turn it off.
1.  
Disconnect the power adapter and remove the main battery.
2.  
Hold the power button down for five seconds, then release.
3. 
Install the main battery and connect the power adapter.
4.  
Press the power button to restart the computer.
5....

MacBook Pro Troubleshooting — General Information 18 3
Software Troubleshooting Tips and Tools
Mac OS X 10.4.5 or later only
Starting with the MacBook Pro, the system requires Intel compatible system file. The system 
software has to be Mac OS X 10.4.5 or later.
Login window and account
Mac OS X requires at least one user account to be established. This is the Administrator’s account. 
By default, the Accounts system preference pane has the “Log in automatically [Admin’s name]” 
check. This automatic...

MacBook Pro Troubleshooting — General Information 18 4
Release the Shift key when you see the screen the gray Apple and progress indicator (looks 
4.  
like a spinning gear). During the startup, you will see “Safe Boot” on the Mac OS X startup 
screen. To leave Safe Mode, restart the computer normally, without holding any keys during 
startup.
Knowledge Base Articles 
These troubleshooting articles can be searched from http://www.apple.com/support.  
107392 What is Safe Boot, Safe Mode? 
107394 Safe Boot...

MacBook Pro Troubleshooting — General Information 18 5
Note: The Classic (Mac OS 9) application do not run on MacBook Pro. Recommend customers to 
upgrade to Mac OS X versions.
Knowledge Base Articles 
These troubleshooting articles can be searched from http://www.apple.com/support.
 
303207 Intel-based Mac: How to tell if an application is Universal 
303129 Intel-based Mac: Forcing a universal application to run with Rosetta 
303137 Intel-based Mac: Do Classic applications work?
  

MacBook Pro Troubleshooting — Hardware Symptom Charts 186
Hardware Symptoms
How to Use the Symptom Charts
The Symptom Charts included in this chapter will help you diagnose specific symptoms related 
to the product. 
In this release, a section is dedicated to the normal start up of the Intel-based MacBook Pro 
with dedicated chart to identify and troubleshoot “no power, no video” and “power, no video” 
symptoms.
The steps to solve a symptom are listed sequentially. You might not need to perform every...

MacBook Pro Troubleshooting — Hardware Symptom Charts 18 7
Try powering up without the battery installed If it boots, replace battery connector cable.
4.  
Reset the power manager. See new procedures under the “Resetting the Power Manager)” 
5. 
heading in the Hardware Troubleshooting Tools and Tips section.  
Warning: Resetting the power manager will permanently remove a RAM disk, if present, 
and all of its contents. You will also need to reset the date and time (using the Date & 
Time system...

MacBook Pro Troubleshooting — Hardware Symptom Charts 188
Error Codes
The computer automatically performs a power-on self test when it is turned on after being fully 
shut down (not a restart). This section describes what to do if beeps are heard during the startup. 
When this occurs, the sleep LED will stay on—occasionally flashes.
MacBook Pro relies on a combination of tones and blinking sleep LED to display Power On Self 
Test (POST ) error codes.
If the computer detects no SDRAM (Synchronous Dynamic...

MacBook Pro Troubleshooting — Hardware Symptom Charts 18 9
Kernel Panic dialog box
Make sure all external devices are disconnected and any ExpressCard ejected. If kernel panic 
1.  
goes away, troubleshoot the external device by reconnecting each device until the panic 
occurs.
If there are two RAM cards installed in the expansion slots, remove the top card and restart.  
2.  
• If symptom repeats, replace bottom card with known-good RAM card.  
• If symptom does not repeat, replace top RAM card with...

MacBook Pro Troubleshooting — Hardware Symptom Charts 190
Flashing question mark appears on the screen
Note: This system will only boot the Mac OS X system that shipped with this computer or later. It 
does not support booting into Mac OS 9.Start up from the MacBook Pro Mac OS X Install Disc 1 DVD that came with the computer 
1.  
(hold down the “C” key during restart).
When the Installer opens, from the Installer menu under Utilities, select Disk Utility.
2.  
When the Disk Utility opens, on the left...