HP Photosmart C6280 All-in-One Printer - Manual (Page 122)

This section contains the following topics:
• The computer is unable to discover the HP All-in-One
• The Printer not Found screen appears during installation
The computer is unable to discover the HP All-in-One
Cause: Cables are not connected properly.
Solution: Check the following cables to ensure they are connected properly.
• Cables between the HP All-in-One and the hub or router
• Cables between the hub or router and your computer
• Cables to and from your modem or HP All-in-One Internet connection (if
applicable)
Cause: Your computer's Local Area Network card (LAN card) is not set up properly.
Solution: Make sure that your LAN card is set up properly.
To check your LAN card (Windows 2000 and XP)
1. Right-click My Computer.
2. In the System Properties dialog box, click the Hardware tab.
3. Click Device Manager.
4. Make sure your card shows up under Network Adapters.
5. Refer to the documentation that came with your card.
To check your LAN card (Windows Vista)
1. On the Windows taskbar, click Start, Computer, and then click Properties.
2. Click Device Manager.
3. Make sure your card shows up under Network Adapters.
4. Refer to the documentation that came with your card.
Cause: You do not have an active network connection.
Solution: Check to see if you have an active network connection.
To see if you have an active network connection
▲ Check the two Ethernet indicator lights on the top and bottom of the RJ-45
Ethernet jack on the back of the HP All-in-One. The lights indicate the following:
a. Top light: If this light is a solid green, the device is properly connected to the
network, and communications have been established. If the top light is off,
there is no network connection.
b. Bottom light: This yellow light flashes when data is being sent or received by
the device over the network.
Network troubleshooting 121
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