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Sun Ultra 24 wont start

Last response: in Motherboards
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November 11, 2010 12:59:32 AM

no bios nothing. DVD flashes hear a fan then stops and redoes same thing over and over

Sun Ultra 24 running Windows 7

More about : sun ultra wont start

a c 716 V Motherboard
November 11, 2010 1:02:14 AM

Welcome to Tom's Forums! :) 

It seems like, hopefully, a bad PSU. Do you have another that you can borrow from another Workstation/PC?
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November 11, 2010 2:20:42 AM

Do you mean Power Supply Unit?
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a c 716 V Motherboard
November 11, 2010 10:36:39 AM

Yes, PSU = Power Supply Unit.
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November 25, 2010 2:38:49 AM

jaquith said:
Yes, PSU = Power Supply Unit.


Dang, put in a brand new Power Supply system still does the same a little fan or noise for a few seconds then stops and repeats. Should I try stripping out all video cards and doing a boot?

No Bios comes up Nothing Black Screen
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November 29, 2010 2:59:56 PM

jaquith said:
Yes, PSU = Power Supply Unit.


I replace Power Supply same thing Black screen No Post No BIOS no beeps just flashing light on from for a second then all stop then trys to restart again.

Sun Ultra 24 Workstation.

Next Step? Take out all video cards see if boots,

take out ram chips see if boots,

Thing has a battery in it someplace see if it is dead I guess?
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September 29, 2011 10:57:09 PM

........................................................
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October 9, 2013 3:36:53 PM

Mine had these same issues. It wouldn't power, and it would just start to power on, but power off.

I took jumper J25 and set it so that the CMOS settings would reset. Upon doing this, and performing the typical power on/power off, moving J25 back in its original position, and then powering it on, it was working correctly (once I set the BIOS settings back).

Bizarre that it made the entire system not boot.


desmogger said:
jaquith said:
Yes, PSU = Power Supply Unit.


I replace Power Supply same thing Black screen No Post No BIOS no beeps just flashing light on from for a second then all stop then trys to restart again.

Sun Ultra 24 Workstation.

Next Step? Take out all video cards see if boots,

take out ram chips see if boots,

Thing has a battery in it someplace see if it is dead I guess?


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