Apple Mac mini Late 2009 (Technician Guide) - Manual (Page 74)

Mac mini (Late 2009) Symptom Charts — Input/Output Devices 74 2009-11-03
Deep Dive
Check Result Action Code
Does the computer recognize 1.
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
Is keyboard working as 2.
expected?
Yes Go to step 3
No Go to Wired Keyboard Does
Not Work Properly symptom
Does the Mighty Mouse have 3.
an issue with the scroll ball?
Yes See KBase article < http://
support.apple.com/kb/
HT1537 > for steps to correct
No Go to step 4
Doe the Mighty Mouse have an 4.
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
Does the Mighty Mouse have 5.
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
When used on another surface 6.
does the mouse track correctly?
Yes Surface issue. Issue resolved.
No Go to step 7
See KBase article < 7. http://
support.apple.com/kb/
HT1581 > to further determine
expected behavior. Did this
article resolve the issue?
Yes Issue resolved.
No Replace the Mighty Mouse K99