Can't boot Linux after motherboard change

[Paolo Galtieri]

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

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