NEC Express5800 Series Maintenance Manual page 30

Chapter 1 Maintenance
[?] Unable to install OS
 Is the hard disk drive properly installed?

Make sure that the hard disk drive is installed securely and that cables are properly connected.
 Is the disk format correct?

Each boot mode supports the following disk formats. This unit supports the UEFI mode only, but does
not support any disks in MBR format.
Boot mode
UEFI Mode
Legacy Mode
When a disk in MBR format is specified as the installation destination, the following message appears.
In this case, delete disks at the installation destination tentatively, and create the partition again.
 Did you configure the RAID controller?

For a RAID system, use EXPRESSBUILDER or RAID Configuration Utility (Off-line Utility or LSI
Software RAID Configuration Utility) to properly configure the RAID controller before installing OS.
 Did you create a logical drive?

For a RAID system, create a logical drive using EXPRESSBUILDER or RAID Configuration Utility
(Off-line Utility or LSI Software RAID Configuration Utility) to install OS.
[?] The Telnet Service is not installed

Adjust the computer name to 14 characters or less (*), and then install the Telnet Service according to
the following procedure:
(1) Click Run on Start menu.
(2) Enter tlntsvr/service in Open, and then click OK.
(3) Click Start menu, point to Control Panel, click Administrative Tools, and then click Services to
confirm whether the Telnet Service is registered.
* You can specify the computer name at 15 characters or more after installing the telnet service.
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Disk format
GUID partition table (GPT)
Master boot record (MBR)
Express5800/R120h-1E, R120h-2E Maintenance Guide
5. Troubleshooting