Apple MC408LL Apple Technician Guide - Page 81

Go to Wired Keyboard Does, Go to USB Port Doesn't

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2010-08-03 Deep Dive Check 1. Does the computer recognize the keyboard or mouse when plugged into the USB ports? Result Yes Action Test in all USB ports to ensure all USB ports working as expected. Replace logic board for any rear port failures. Replace keyboard for any keyboard USB port failures. Go to step 2 No Go to USB Port Doesn't Recognize Devices symptom 2. Is keyboard working as expected? 3. Does the Mouse have an issue with the scroll? 4. Doe the Mouse have an issue with the buttons? Yes Go to step 3 No Go to Wired Keyboard Does Not Work Properly symptom Yes See KBase article for steps to correct No Go to step 4 Yes See KBase article for steps to determine expected behavior. Go to step 7 5. Does the Mouse have an issue with tracking? No Go to step 5 Yes Try using the mouse on another surface. Nonreflective, opaque surfaces without repetitive patterns work best. The surface should be clean but not shiny. Go to step 6 No Go to step 7 6. When used on another surface Yes Surface issue. Issue resolved. does the mouse track correctly? No Go to step 7 7. See KBase article to further determine expected behavior. Did this article resolve the issue? Yes Issue resolved. No Replace the Mouse Code K99 Mac mini (Mid 2010) Symptom Charts - Input/Output Devices 81

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Mac mini (Mid 2010) Symptom Charts — Input/Output Devices
81
2010-08-03
Deep Dive
Check
Result
Action
Code
1.
Does the computer recognize
the keyboard or mouse when
plugged into the USB ports?
Yes
Test in all USB ports to ensure
all USB ports working as
expected. Replace logic board
for any rear port failures.
Replace keyboard for any
keyboard USB port failures.
Go to step 2
No
Go to USB Port Doesn’t
Recognize Devices symptom
2.
Is keyboard working as
expected?
Yes
Go to step 3
No
Go to Wired Keyboard Does
Not Work Properly symptom
3.
Does the Mouse have an issue
with the scroll?
Yes
See KBase article <
http://
support.apple.com/kb/
HT1537
> for steps to correct
No
Go to step 4
4.
Doe the Mouse have an issue
with the buttons?
Yes
See KBase article <
http://
support.apple.com/kb/
HT1581
> for steps to
determine expected behavior.
Go to step 7
No
Go to step 5
5.
Does the Mouse have an issue
with tracking?
Yes
Try using the mouse on
another surface. Non-
reflective, opaque surfaces
without repetitive patterns
work best. The surface should
be clean but not shiny. Go to
step 6
No
Go to step 7
6.
When used on another surface
does the mouse track correctly?
Yes
Surface issue. Issue resolved.
No
Go to step 7
7.
See KBase article <
http://
support.apple.com/kb/
HT1581
> to further determine
expected behavior. Did this
article resolve the issue?
Yes
Issue resolved.
No
Replace the Mouse
K99