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 C-11
Solving 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.
134 Appendix C Troubleshooting Without Diagnostics
