Display goes bad, seemingly randomly, during install of FC3

[Thomas Cameron]

----- Original Message ----- 
From: "Arthur Pemberton" <dalive at flashmail.com>
To: "For users of Fedora Core releases" <fedora-list at redhat.com>
Sent: Wednesday, February 09, 2005 10:14 PM
Subject: Re: Display goes bad, seemingly randomly, during install of FC3


> Bill Gradwohl wrote:
>
>> Arthur Pemberton wrote:
>>
>>> I'm currently talking my friend through and FC3 install over the phone. 
>>> Her video card and monitor seem to get properly detected. However, 
>>> seemingly randomly, the display goes bad as what she describes as a 
>>> "barcode with color" like display. THe first time this happened on 
>>> Anaconda launch. The second time happened while she was choosign the 
>>> timezone on the map. The third happened while she was customizing the 
>>> packages. As I type she's rebooting and start fresh from memory of my 
>>> instructions.
>>>
>>> Any ideas on what ould be causign this? I've never encountered such 
>>> before.
>>
>>
>> Try taking down the screen resolution a notch. Sounds like the monitor 
>> can't take certain frequencies. By reducing your res, it MAY help. This 
>> could be a bad/borderline monitor issue. See if X is configured with the 
>> proper frequencies that the monitor can handle. Check the actual spec for 
>> the monitor, and fix the config file manually if necessary.
>
> Forgive my ignorance, but which file(s) do I have to edit to check/correct 
> this information?

You don't really need to.  Just run (as root) system-config-display and set 
your display to something sane.

>> Alternatively, on some MOBO's, the video is built in. The BIOS is usually 
>> set at some minimum RAM size for the video. I ALWAYS up that to 32Meg. 
>> Even 64Meg if its available. If detection got the specs wrong it can lead 
>> to what she's seeing.
>
> To the best of my memory it is an embeded intel video card. I will take a 
> look at that.

Well, the good news is that you can put a cheap decent video card in and 
stop using that built-in video card if it comes to that.

Thomas