3. Are known good mouse and | Yes | Test original mouse and |
| |
keyboard recognized? |
| keyboard. Replace if still not |
| |
|
| recognized. Go to step 5 |
| |
|
|
|
| |
| No | External USB ports not |
| |
|
| functioning. Replace logic |
| |
|
| board. |
| |
|
|
|
| |
4. With no USB devices | Yes | Bluetooth detected via |
| |
connected, restart the |
| Internal USB. Go to step 3 |
| |
computer. Did Bluetooth |
|
|
| |
No | Bluetooth not recognized | M15 | ||
Mouse Setup assistant launch | ||||
| via internal USB. Internal and |
| ||
after startup? |
|
| ||
| external USB not functioning. |
| ||
|
|
| ||
|
| Replace logic board. |
| |
|
|
|
| |
5. With known good mouse and | Yes | Device recognized. Test in all |
| |
keyboard working, test other |
| USB ports to ensure all USB |
| |
USB peripheral in question |
| ports working as expected. |
| |
(USB external drive or printer, |
| Replace logic board for any |
| |
etc.). Is the device recognized |
| port failures. |
| |
via Apple System Profiler under |
|
|
| |
No | Device may require more |
| ||
USB? |
| |||
|
| power than supplied by USB |
| |
|
| ports. Try powered USB hub. |
| |
|
| Go to step 6 |
| |
|
|
|
| |
6. Does powered USB hub resolve | Yes | Test device on another |
| |
issue? |
| computer of the same |
| |
|
| make and model. If another |
| |
|
| computer does not require |
| |
|
| a powered USB hub to allow |
| |
|
| functionality, replace the logic |
| |
|
| board |
| |
|
|
|
| |
| No | Test device on another |
| |
|
| computer of the same |
| |
|
| make and model. If another |
| |
|
| computer does not recognize |
| |
|
| the device, replace the device |
| |
|
|
|
|
Mac mini (Late 2009) Symptom Charts — Input/Output Devices 70 |
