CPU/GPU? Lockup on Dell Latitude C640

[William M. Quarles]

-------------- Original message ----------------------
From: Brian Millett <bmillett at gmail.com>
>
> On Wed, 2009-02-04 at 07:11 +0000, William M. Quarles wrote:
>> Hey all,
>> 
>> My Dell Latitude C640 laptop for some reason kept locking up on Fedora 9. I 
>> thought it might be related to the fact that it was docked, so I undocked it, no 
>> luck. Tried installing Fedora 10, it locked up in the installation program once 
>> I got to custom package selection. Tried again while skipping the customization 
>> process, it locks up during the package installation.
>> 
>> The lockup seems to be similar to the CPU overheating that I have experienced 
>> in the past when a fan went bad on my Dell desktop. I'm not really all that sure 
>> as to whether or not the fan is running on here when I have booted into Fedora 
>> either. I think I've seen this happen when the GPU on my laptop overheated as 
>> well. I also saw a common bug posted on Radeon graphics chipsets, which this 
>> laptop has the Radeon 7500 set, but I am not sure if that is an issue either.
>> 
>> As usual (fortunately or unfortunately, I'm not sure which) I'm having zero 
>> issues when using Windows XP Pro SP3.
>> 
>> Any ideas?
>> 
>> Oh, and is anybody else having trouble with Gmane lately? I can't seem to post 
>> to the groups, and Lars won't answer my e-mails.
>
>
>try doing a memtest with the live cd.
>

I'm very new to this Live CD concept. What is a Live CD, and how do I make it? Why wouldn't the memory test on the installation disc work instead?

(Remember to "Reply All" when you write back, Brian, so it makes it to the list).

Peace,
William