[dba-Tech] Operating System not found

Hi Bryan:

It seems that you have been hit with the case of the gibbled capacitors. A
Korean company produced these faulty units for about 6 months until it was
discovered there was an error in the processing. By that time it was too
late and all computer mother designers had been using their capacitors.
There are hundreds of thousnads of motherboards out there that fail because
of this and it is all just 'buyer beware'. 

If you are have and are good with a soldering gun and can read the capacitor
code the whole fix can be accomplished for about 30 bucks and 1 hours work.
A good friend and hardware guy replaced all the capacitors on one of my
boards. (I only have a cheap gun and no skill with that type of work...)

Jim   

-----Original Message-----
From: dba-tech-bounces at databaseadvisors.com
[mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Bryan Carbonnell
Sent: Monday, October 15, 2007 7:14 AM
To: Discussion of Hardware and Software issues
Subject: Re: [dba-Tech] Operating System not found

On 10/15/07, Lembit Soobik <lembit.dbamail at t-online.de> wrote:
> ok, now dont tell me computers have no soul or life of their own or an own
> will ;)
>
> exchanged the power cables back, and it is working fine still.
> so explain this:
> - the PC works ok yesterday till afternoon
> - then all of a sudden, it wont start (Operating system not found),
checked
> it with 3 different HDs that all work.
> on all of these Acronis can see the disk and the directories on it.
> this morning again the same.
> - disconnect 1 pair of HDs and it works
> - exchange power connections and reconnect the HDs - still works
> - reexchange power connections, so its the same wiring and everything as
> yesterday afternoon and this morning,
> and the system still works fine. nothing is different from yesterday when
it
> didnt work.
>
> and now, how do I find the problem????

My suggestion is to carefully check all the capacitors on the
Motherboard to make sure there are no burst one.

The Motherboard I just replaced was flakey. It would work then it
wouldn't. I could boot windows, then I couldn't. It would run for
hours then reboot after only a minute or two of use.

Turns out the MoBo had 11 or 12 burst or bulging capacitors. I guess
it took a power spike somewhere even though it was on UPS with power
conditioning.

-- 
Bryan Carbonnell - carbonnb at gmail.com
Life's journey is not to arrive at the grave safely in a well
preserved body, but rather to skid in sideways, totally worn out,
shouting "What a great ride!"
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