[ltp] frozen thinkpads

[Kelvin KAN]

Hi Robert,

Talking about the HD, have you reduced/replaced the memory.  My desktop
system's recent hanging was caused by bad memory.  Before replacing it, every
diagnostic tools failed to find the cause.

Cheers,
-
kelvin.


On Feb 25,  3:12pm, Willard Fullam III wrote:
> Subject: Re: [ltp] frozen thinkpads
>
>
> On Monday 25 February 2002 03:29 pm, Robert Andersson wrote:
> > >>>>> "WF" == Willard Fullam <wfullam@bellsouth.net> writes:
> >
> > WF> Addition information would be nice.
> >
> > uhm, yes forgot that... :P
> >
> > WF> What model, if I may ask
> >
> > t22 1024x768 (2647-8eg) and t22 1400x1050 (2647-9eg)
>
> First thing I would normally recommend is to download the latest System
> Setup/BIOS, but if this is a power system issue, it may not be doable.
> Check to see if you can boot to the BIOS/Setup with the AC adapter and
> a charged battery installed. If this works, I would try to set the
> BIOS to the DEFAULTS and then update with the latest version.
>
> >
> > WF> and exactly what was "replaced"?
> >
> > they replaced what they call the system board, the cpu and internal
> > battery and even the plastic surrounding the keyboard :|
> >
>
> My suspicion is this is the DC Converter, the actual power supply and
> power converter for the laptop, that has failed or is failing. It could
> even be a simple "bum" connector. But I suspect this is the problem and
> that should have been replaced.
>
> Are these still under warranty?
>
> > WF> Is this the original AC adapter? Is the battery original amd how
> > WF> old is it?
> >
>
> If you have another working battery and AC adapter, test the faulty
> setup with these. If you are using anything other than the IBM supplied
> adapter for that unit, please cease and desist! No kidding here. Even
> mixing IBM AC adapters will lead to problems if they are not the
> correct model for the system in question. Throw them away if you have
> any laying about.
>
> > yes both indeed, they are only 5 month old
> >
>
> If the above works, great! But I have my doubts, this is just
> troubleshooting.
>
> > i have done some more testing replacing the harddrive with another
> > one on a working t22 (we have a couple of them :) and the results was
> > the same, so no harddrive problem. swapped batteries... naaa that's
> > not it either. did some additional testing, it seems that it occures
> > more frequent when the battery is low and it has to be charged. when
> > just putting the ac cord in the bat-light will show green, starting
> > the tp and it will go to yellow... odd... well i probably will end up
> > telling ibm to replace the errorfull machines alltogether...
> >
>
> OK, very much doubt this is a HDD issue, all symptoms point to a power
> system problem.
>
> > yours,
> > /robert
>
> --
> ThankYouKindly!
>
> Willard E. [Bill] Fullam III
> wfullam@bellsouth.net
> http://personal.atl.bellsouth.net/~wfullam
>
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>-- End of excerpt from Willard Fullam III



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