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Switching to Half-Duplex

Sometimes your computer's ethernet speed conflicts with your network jack's speed. The following steps will allow you to resolve this problem.

Windows

  1. Open the Control Panel > Network Connections.
  2. Right-click on the connection that is having problems (probably the LAN) and click Properties.
  3. There should be text that reads "Connect using:" and a box under that with the name of the ethernet card. Click on "Configure..." next to the name of the ethernet card.
  4. Under the Advanced tab, choose the "Link Speed and Duplex" Property. In the Drop-down menu, pick "10Mbps/Half Duplex" and click "Okay".

Apple Mac OS X (10.3 and 10.4)

  1. Pull down the Apple menu and select System Preferences.
  2. Click Network.
  3. In the drop-down Show:, select Built-in Ethernet.
  4. Click tab Ethernet.
  5. In the drop-down Configure:, select Manually (Advanced).
  6. In the drop-down Speed:, select the speed you require: 10baseT/UTP or 100baseTX.
  7. In the drop-down Duplex:, select half-duplex or full-duplex, as you require.
  8. Click Apply Now.
  9. Quit System Preferences.

Apple Mac OS X (10.5)

  1. Pull down the Apple menu and select System Preferences.
  2. Click Network.
  3. In the left menu, select Ethernet. Click the Advanced... button on the lower right
  4. Click tab Ethernet.
  5. In the drop-down Configure:, select Manually.
  6. In the drop-down Speed:, select the speed you require: 10baseT/UTP or 100baseTX.
  7. In the drop-down Duplex:, select half-duplex or full-duplex, as you require.
  8. Click OK and Apply.
  9. Quit System Preferences.