Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six
times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause
Solution
For systems with integrated graphics, replace the system
board.
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 D-12 Solving Network Problems
Wake-on-LAN feature is not functioning.
Cause Solution
Wake-on-LAN is not enabled. To enable Wake-on-LAN in Windows XP:
1. Select Start > Control Panel.
2. Double-click Network Connections.
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Power Management tab, then select the check
box to Allow this device to bring the computer out of
standby.
To enable Wake-on-LAN in Windows Vista:
1. Select Start > Control Panel.
2. Under Network and Internet, select View network
status and tasks.
3. In the Tasks list, select Manage network connections.
4. Double-click Local Area Connection.
5. Click the Properties button.
Table D-11 Solving Hardware Installation Problems (continued)
Solving Network Problems 261
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