Problem Cause Solution
Power LED flashes red five
times, once every second,
followed by a two second
pause, and the workstation
beeps five times.
Memory is installed
incorrectly or is bad.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Ensure DIMMs are loaded in the correct
slots.
2. Reseat DIMMs.
3. Replace DIMMs one at a time to isolate the
faulty module.
4. Replace third-party memory with HP
memory.
5. Replace the system board.
Power LED flashes red six
times, once every second,
followed by a two second
pause, and the workstation
beeps six times.
Video card is not seated
properly or is bad, or
system board is bad.
CAUTION: Disconnect AC power from the
workstation before reseating or replacing
components because there is power to the
system board even when the workstation is
powered down.
1. Ensure that auxiliary power cable is
connected correctly, if applicable.
2. Reseat the graphics card.
3. Replace the graphics card.
4. Replace the system board.
Solving network problems
These guidelines do not discuss the process of debugging the network cabling.
Table 6-13 Network problems
Problem Cause Solution
Wake-on-LAN feature is
not functioning.
Wake-on-LAN is not
enabled.
Use the Network control application to enable
Wake-on-LAN.
Network driver does
not detect network
controller.
Network controller is
disabled.
Run Computer Setup and enable network
controller.
Incorrect network driver. Check the network controller documentation
for the correct driver, or obtain the latest driver
from the manufacturer’s website.
Network status link light
does not turn on or it never
flashes.
The network status light
should flash when there is
network activity.
No active network is
detected.
Check cabling and network equipment for
proper connection.
Network controller is not
set up properly.
Use the network control application to verify
that the device is working properly.
Network driver is not
properly loaded.
Reinstall network drivers.
System cannot auto-sense
the network.
Disable auto-sensing capabilities and force
the system into the correct operating mode.
Table 6-12 Hardware installation problems (continued)
ENWW Troubleshooting scenarios and solutions 153
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