248 Upgrade and Maintenance Manual TX100 S3 Core Edition
Appendix
The power-on indicator flashes at a low frequency (1/2 Hz, once every two
seconds)
This error state indicates that the system is not able to boot from its local hard
disk drives. Typically, the server will then stop booting after the BIOS POST
phase displaying an error message like "Operating System not found". In order
to resolve the problem, proceed as follows:
Ê Terminate all applications and shut down the server.
I If the server does not shut down properly, press and hold the On/Off
button for five seconds, until the server switches off.
Ê Disconnect the AC power cord from the system.
Ê Unlatch and remove the side cover as described in section "Removing the
side cover" on page 43.
Ê Ensure that all data and power cables on the hard disk drives are connected
correctly.
Ê Ensure that all HDD SATA cables are connected correctly to the system
board (see the cabling plans in section "Cabling overview" on page 218).
Ê Close the side cover and lock it in place as described in section "Installing
the side cover" on page 56.
Ê Reconnect the AC power cord.
Ê If the problem cannot be resolved, try booting the server from the
Maintenance & Recovery DVD, establish a VNC connection and create
PrimeCollect log files as described in section "Diagnostics" of the
PRIMERGY TX100 S3 Core Edition Operating Manual.
16.5.3 Remote access to the server fails
In this case it should still be possible to create PrimeCollect log files according
to the procedure described in section "Gathering diagnostic information" of the
PRIMERGY TX100 S3 Core Edition Operating Manual.
I Please note that this procedure requires the Maintenance & Recovery
DVD which has been delivered with the Headless server, a USB stick, an
Ethernet LAN cable and a client computer running the Microsoft
Windows operating system.
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