Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
2010-08-05<br />
6. Does the select button click?<br />
Verify trackpad alignment is<br />
proper and click-depth set<br />
screw is at factory setting.<br />
7. Does a known-good trackpad<br />
work?<br />
Yes All trackpad issues resolved.<br />
No Go to step 7<br />
Yes Replace trackpad according<br />
to symptom found.<br />
-No Mouse/trackpad response<br />
-Trackpad cursor not tracking<br />
properly<br />
-Trackpad button issues<br />
MacBook Pro (15-inch, 2.53 GHz, M<strong>id</strong> 2009) Symptom Charts — Input/Output Devices 99<br />
K02<br />
K12<br />
K13<br />
No Replace logic board. M16<br />
Built-in Keyboard Has Dim or No Keyboard Backlight<br />
Unlikely c<strong>au</strong>se: LCD, hard drive, optical drive<br />
Quick Check<br />
Symptom Quick Check<br />
Built-in Keyboard Has Dim or No<br />
Backlight<br />
• In darkened room, keyboard<br />
backlight does not come on or<br />
is dim.<br />
Deep Dive<br />
1. Make sure this computer model has a keyboard<br />
backlight option by checking the configuration<br />
label in the battery bay.<br />
2. Make sure that keyboard backlight is turned on<br />
and brightness turned up.<br />
3. Block the ambient light sensor to simulate<br />
darkened room.<br />
Check Result Action Code<br />
1. Cover the ambient light sensor,<br />
located near camera. D<strong>id</strong> the<br />
display dim?<br />
2. Cover the ambient light sensor<br />
again. D<strong>id</strong> the keyboard<br />
backlight work?<br />
Yes Ambient light sensor is<br />
working. Go to step 4.<br />
No Go to step 2.<br />
Yes Issue resolved.<br />
No Go to step 3.
Change language