Can't boot Linux after motherboard change

[Boris Epstein]

On Tue, Jul 10, 2012 at 8:20 PM, Paolo Galtieri <pgaltieri at gmail.com> wrote:

>
>
> On Tue, Jul 10, 2012 at 5:16 PM, Boris Epstein <borepstein at gmail.com>wrote:
>
>> Wow, this is weird...
>>
>> Have you tried reinstalling Linux? I know this is a crude approach to the
>> problem but I can't think of anything smarter at the moment.
>>
>> Boris.
>>
>> On Tue, Jul 10, 2012 at 7:09 PM, Paolo Galtieri <pgaltieri at gmail.com>wrote:
>>
>>>  Folks,
>>>   here's my situation and am wondering if anybody could provide some
>>> suggestions.
>>>
>>> Three weeks ago I had the motherboard of my Dell Precision M65 laptop
>>> replaced due to issues with the video card.  After the Dell tech replaced
>>> the board I had no problems booting up on my F16 installation.  After a few
>>> days this motherboard started exhibiting power supply issues.  The system
>>> would switch from AC power to battery, dimming the monitor, and then switch
>>> back to AC with the monitor brightening.  This continued to happen on and
>>> off for several weeks, it also would happen under Windows 7, so wasn't an
>>> OS issue.  I tried two different external power supplies, but the problem
>>> still occurred.  If I took the battery out and ran on just the AC then the
>>> system would power itself off within a minute or two.  I contacted Dell and
>>> described the problem and today the Dell tech replaced the motherboard
>>> again.  The problem is that now Linux no longer boots.  It starts to boot,
>>> it loads the kernel and the ramdisk, but then the fan speeds up and the
>>> system powers off.   Earlier today I was able to boot off a F16 DVD and was
>>> able to backup my user account data to an external drive.  Now when I try
>>> it it no longer works, it starts the process, I get prompted for language
>>> and keyboard, but then again the fans speed up and the system powers off.
>>>  The system is configured to boot both Windows 7 and Linux.  If I boot
>>> Windows it comes up just fine and runs, but Linux wont.  When I boot
>>> Windows the fans do not speed up as they do with Linux.
>>>
>>> Anybody have any ideas as to what might be going on?
>>>
>>> The system is updated to the lasted changes.  I tried to boot an earlier
>>> kernel, but I get the same behavior.
>>>
>>> Any help is appreciated.
>>>
>>> Thanks,
>>> Paolo
>>>
>>>
> I'd try, the problem is that booting from a Fedora 16 DVD also causes the
> system to power off :-(
>
> Paolo
>
>
>>>
I can see at least two possibilities:

1) The F16 DVD is defective. I'd check it somewhere.

2) Your hardware is defective.

Beyond that I am not sure what to say at this point. Sorry...

Boris.
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