Apple MD094LL/A Wireless Input Device Does Not Pair, Html?path=Mac/10.6, Troubleshooting purposes

4. Check for speed and duplex	Yes	Go to step 5.
issues on network. Open
	No	Change speed and duplex
System Preference > Network;
click the Advanced button,		settings. See article http://
then the Ethernet tab. Verify if		docs.info.apple.com/article.
the speed and duplex reported		html?path=Mac/10.6/
are what is expected.		en/8711.html. Go to step 6.
5. Check for MTU (Maximum	Yes	Go to step 6.
Transmission Unit) issues. See
kBase #HT2532: Mac OS X:
How to change the MTU for
	No	Ethernet controller damaged.	M10
troubleshooting purposes.
		Replace logic board.
Verify if changing MTU settings
on computer resolves issue.
6. If changing speed, duplex	Yes	Check with ISP or Network
or MTU settings allows		Administrator concerning
connectivity, check with a		speed, duplex & MTU settings.
known-good, same-model
computer. Verify if known-good	No	Verify with known good OS.	M10
computer produces the same		If issue persists, replace logic
results.		board.

Wireless Input Device Does Not Pair

Quick Check

Symptoms	Quick Check
Wireless Input Device Does Not	1.	Check computer with a known-good Bluetooth
Pair		input device to test computer side.
• Can’t get system to recognize a	2.	Test Bluetooth device side with a known-good
Bluetooth keyboard, mouse or
		computer, with up-to-date Mac OS 10.6.x with
trackpad		installed Bluetooth device driver.
	3.	Ensure that device is being used within 30-foot
		range for Bluetooth devices.
	4.	See kBase #HT1365 AirPort potential source of
		interference.

2010-09-09 iMac (27-inch, Mid 2010) Symptom Charts — Communications  91