Sun Solaris Ultra 10 Not booting!

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Operating Systems Solaris Sun Solaris Ultra 10 Not booting!
# 1  
Old 11-20-2007
Data Sun Solaris Ultra 10 Not booting!

I have Sun Ultra 10 with Solaris 7 installed on it.
Sometimes back

after that the machine use to get hang .Even after
rebooting the system was not booting.
I have manually switch on /off many times from the
power board itself .Once in a while it
use to boot .After booting the machine use to work
for few days .Then after that again
same thing use to happen . Now the machine is
completely down not booting at all (black screen!)

Need help..

Best Regards
# 2  
Old 11-20-2007
listen to the tower; do you hear hdd is spinning ? or some bad sound indicate to hw failure ? maybe just display is gone ?
did you try stop + A then to get ok prompt ??
# 3  
Old 11-20-2007
yes the disk is spinning
i can hear that
but nothing on the display.
may be faulty monitor !

can i attache non-sun monitor to sun box (ultra 10) ?
# 4  
Old 11-20-2007
I think yes, you can attach none sun based monitor to ultra 10 .But I am not sure which type of plug interface you need ? I used TFT monitor and other brand names CRT monitors but unfortunately I don t remember about connection interface ..
# 5  
Old 11-27-2007
Try using a laptop and connecting to the serial port then power cycle the server to see if you can get the display to come up in hyper terminal. Then you know it's either the monitor or VC
# 6  
Old 11-27-2007
I've had all kinds of problems with my Ultra-10s centered around memory. I don't know if it's bad memory, bad connections, oxidisation, corrosion or what. I was getting "RED STATE EXCEPTION" after the machine warmed up which tended to kill things. I eventually junked the two 256Mb memory DIMMS and now use just two 128Mb.

Then there is the whole "bad capacitor" lark.
# 7  
Old 12-24-2007
black monitor no boot

I have the same problem... I just got a sun ultra 10 with a non sun monitor that will not boot and i can hear the hard drive spinning... has anyone resolved this yet or have any other troubleshooting steps i might try?
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