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Old 09-18-2012, 08:05 PM   #1
rafi1963
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Registered: Jan 2007
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Question Ubuntu display issue


Hi all, it's been a long time since I posted here.

I have just been given an old PC and figured that I'd stick Linux on it and use it for my office type stuff, thereby freeing my more powerful machines for the graphics apps that they were built for.

I have tried installing both Ubuntu and Mint distros and have come up with a display problem that confuses me.

The PC boots up fine, and if I boot it into windows, everything is OK.

When I put the CD in and boot from it, the screen is fine until the disk assumes control of the boot process - and then the screen becomes illegible with a rolling type of "interference pattern," similar to old CRT displays or TV's.


The motherboard says "Foxconn N15235." From the Bios, the graphics adapter is onboard with 64Mb and there is 1Gb of Ram.
I have tried it with two monitors, a "Samsung SyncMaster BX2440" and an "LG Flatron W2486L." Both have resolutions above 1920 x 1080 at 60 Hz refresh
CPU Clock 133, PCIE clock 100,

Installation is impossible, since the screen cannot be read.

Any Ideas?

Last edited by rafi1963; 09-19-2012 at 11:45 AM. Reason: New Information
 
Old 09-18-2012, 08:26 PM   #2
TobiSGD
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We need more information on this:
What are the hardware specs (CPU, RAM, videocard)? What type of monitor do you use, with which maximum resolution?
 
Old 09-19-2012, 11:48 AM   #3
rafi1963
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Registered: Jan 2007
Location: Cape Town
Distribution: Ubuntu 6.10 ubuntu 6.10 - the Edgy Eft
Posts: 11

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The motherboard says "Foxconn N15235." From the Bios, the graphics adapter is onboard with 64Mb and there is 1Gb of Ram.
I have tried it with two monitors, a "Samsung SyncMaster BX2440" and an "LG Flatron W2486L." Both have resolutions above 1920 x 1080 at 60 Hz refresh
CPU Clock 133, PCIE clock 100,
 
Old 09-23-2012, 11:32 PM   #4
rafi1963
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Registered: Jan 2007
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I find it difficult to believe that nobody has come across this issue in the past!
 
Old 09-24-2012, 05:53 AM   #5
TobiSGD
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It was difficult to find information on this board at all. There seems to be no board from Foxconn with the name N15235, although that is printed on the board. With some luck I found the information that the labelling on that board indeed is wrong and that its real name is P4M800P7MB-RS2H. It seems to use an integrated VIA UniChrome Pro video chip.
I don't have any experiences with this chip, but maybe the Ubuntu documentation can help you here: https://help.ubuntu.com/community/OpenChrome
 
  


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