HP E1Z75UT E1Z75UT#ABA manual Manager, Network status link light never flashes Cause Solution

Network driver does not detect network controller.

Cause	Solution
Network controller is disabled.	1. Run Computer Setup and enable network controller.
	2. Enable the network controller in the operating system
	using Device Manager.
	To access Device Manager in Windows 7, click Start,
	select Control Panel, and then select Device
	Manager.
	To access Device Manager in Windows 8, from the Start
	screen, type c, select Control Panel from the list of
	applications, and then select Device Manager.
Incorrect network driver.	Check the network controller documentation for the correct
	driver or obtain the latest driver from the manufacturer’s Web
	site.

Network status link light never flashes.

NOTE: The network status light is supposed to flash when there is network activity.

Cause	Solution
No active network is detected.	Check cabling and network equipment for proper connection.
Network controller is not set up properly.	Check for the device status within Windows, such as Device
	Manager for driver load and the Network Connections applet
	within Windows for link status.
	To access Device Manager in Windows 7, click Start, select
	Control Panel, and then select Device Manager.
	To access Device Manager in Windows 8, from the Start
	screen, type c, select Control Panel from the list of
	applications, and then select Device Manager.
Network controller is disabled.	1. Run Computer Setup and enable network controller.
	2. Enable the network controller in the operating system
	using Device Manager.
	To access Device Manager in Windows 7, click Start,
	select Control Panel, and then select Device
	Manager.
	To access Device Manager in Windows 8, from the Start
	screen, type c, select Control Panel from the list of
	applications, and then select Device Manager.
Network driver is not properly loaded.	Reinstall network drivers.
System cannot autosense the network.	Disable auto-sensing capabilities and force the system into the
	correct operating mode.

Solving Network Problems 175