HighPoint RocketRAID 37 Series Installation Manual page 7

RocketRAID 37xx/8xx/28xx Uniontech OS Server 20 Installation Guide
Unplug all USB storage devices from system before execute following command:
# sh /tmp/hptdd/preinst.sh
4) Then type the following commands to restart the system installer:
# systemctl restart lightdm
The system installer will restart and select "Next" to continue installation.
5) When the installation program comes to selecting the installation location, full
installation is recommended.
When the screen shows that "Restart"，
6)
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