Hitachi CN7821-Y Instruction Manual page 30

This chapter describes actions to be taken when the LAN Card does not
operate properly. If a problem remains after the following actions are taken,
contact your sales representative or call the maintenance personnel:
Table 6-1
No.
The LAN Card is not recognized
1
properly.
2 LINK/ACT LED does not light even
though the network cable is
connected.
3 The OS is not bootable.
6-2
PCI-Express Dual Port 10 Gigabit LAN Card Instruction Manual
Problem
Troubleshooting
Verification & how to take action
• Check if the driver is installed correctly.
• Check if the LAN Card is inserted in the PCI slot
correctly.
Try removing and installing it again to see if the
problem is resolved.
• Check if the LAN Card is recognized correctly.
• Check if the driver is installed correctly.
• Check if the power is turned at the connected
device.
• Check if the length of the LAN cable exceeds the
limit.
• Check if the link to the connected device is
established.
Check that ACT/LNK LED or the LAN connector is
not pulled out and the corresponding pin is not
bent.
• Check if the LAN Card operates normally.
When the OS becomes unbootable after the LAN
Card is installed, try removing the Card and
booting the OS without the LAN Card.