3. Connect the computer to | Yes | Ethernet communication |
| |
another Macintosh computer |
| good. Go to step 4 |
| |
using CAT5 ethernet cable. |
|
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| |
|
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| ||
Mac OS X 10.5 users see article | No | If same ethernet cable and | M10 | |
<http://docs.info.apple.com/ |
| computer connects to a |
| |
article.html?path=Mac/10.5/ |
| known good computer of |
| |
en/8429.html>. |
| same make and model, |
| |
Mac OS X 10.6 users see article |
| replace logic board |
| |
|
|
| ||
<http://docs.info.apple.com/ |
|
|
| |
article.html?path=Mac/10.6/ |
|
|
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en/8429.html>. |
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Can you connect successfully? |
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4. Check for speed and duplex | Yes | Go to step 5 |
| |
issues on the network. Open |
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| |
|
|
| ||
System Preference > Network; | No | Change the speed and duplex |
| |
click the Advanced button, |
| settings. See article <http:// |
| |
then the Ethernet tab. Is the |
| docs.info.apple.com/article. |
| |
speed and duplex reported |
| html?path=Mac/10.5/ |
| |
what is expected? |
| en/8711.html>. Go to step 6 |
| |
|
|
|
| |
5. Check for MTU (Maximum | Yes | Go to step 6 |
| |
Transmission Unit) issues. |
|
|
| |
See article <http://support. | No | Ethernet controller damaged. | M10 | |
apple.com/kb/HT2532>. Does |
| Replace logic board. |
| |
changing the MTU settings on |
|
|
| |
the computer resolve the issue? |
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| |
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| |
6. If changing the speed, | Yes | Check with ISP or Network |
| |
duplex or MTU settings |
| Administrator concerning |
| |
allows connectivity, check |
| speed, duplex and MTU |
| |
with another computer of |
| settings. |
| |
same make and model. Does |
|
|
| |
No | Verify with known good OS. If | M10 | ||
the known good computer | ||||
produce the same results? |
| the issue persists, replace the |
| |
|
| logic board. |
| |
|
|
|
|
Mac mini (Late 2009) Symptom Charts — Communications 40 |
