Power LED flashes Red ten times, once every second, followed by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause

Solution

 

 

 

Bad option card.

1.

Check each option card by removing the cards one at

 

 

time (if multiple cards), then power on the system to see

 

 

if fault goes away.

 

2.

Once bad card is identified, remove and replace bad

 

 

option card.

 

3.

Replace the system board.

 

 

 

Solving Network Problems

Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging the network cabling.

Table 10-11Solving Network Problems

Wake-on-LAN feature is not functioning.

Cause

Solution

 

 

S5 Maximum Power Saving feature is enabled.

Disable the S5 Maximum Power Saving option in Computer

 

Setup. Select Power > Hardware Power Management > S5

 

Maximum Power Savings.

 

 

S5 Wake on LAN is disabled (some models).

Enable the S5 Wake on LAN option in Computer Setup.

 

Select Advanced > Device Options > S5 Wake on LAN.

 

 

Wake-on-LAN is not enabled.

To enable Wake-on-LAN in Windows 7:

 

1.

Select Start > Control Panel > Network and Sharing

 

 

Center.

 

2.

Under Tasks, select Manage network connections.

 

3.

Click Local Area Connection.

 

4.

Click the Properties button.

 

5.

Click the Configure button.

 

6.

Click the Power Management tab, then select Allow

 

 

this device to wake the computer.

 

To enable Wake-on-LAN in Windows 8:

 

1.

From the Start screen, type c, and then select Control

 

 

Panel from the list of applications.

 

2.

Select Network and Sharing Center, and then click the

 

 

Ethernet link next to the connection.

 

3.

Click the Properties button.

 

4.

Click the Configure button.

 

5.

Click the Power Management tab, then enable the

 

 

appropriate Wake-on LAN option.

 

 

 

278 Chapter 10 Troubleshooting Without Diagnostics