monitor is scrambled on boot

Asked by Joseph Miller

When I boot with the 10.04 LTS cd I recieved in the mail, my screen becomes scrambled and I can not see what is being displayed, any tips on how to resolve the issue? Im not too computer savvy but I have a NVIDIA GeForce 7100 graphics card I believe and my monitor is what came from the factory and it is an ACER X193W.

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Joseph Miller (j-k-miller07) said :
#1

Update from about an hour ago, I finally was able to get the disc to install, however it gives me a message saying something to the effect of:

Low Graphics Mode

The following errors were encountered. You may need to update your configuration to resolve this.

(EE)VESA: Kernal Modesetting driver in use, refusing to load

(EE)No Devices Detected

When I was given this error message my mouse and keyboard neither worked and my only option was to power off, I tried to reboot with Ubuntu but only got the same error message. I do not know what "kernal modesetting" is or how to update my configuration, even if I did know how to update my configuration I wouldn't know what to change.

The way that I was finally able to get the disc to boot was by running ubuntu along side windows vista and selecting ubuntu from the boot menu then pressing esc and selecting "safe graphics mode", i will continue to try more options later but don't have time now. If anyone could help it would be so greatly appreciated.

Thanks ahead of time!!!!

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delance (olivier-delance) said :
#2

If you have problem with Live CD, I'm afraid it will be worst after installation.
There are some big issues today with some NVidia cards (not mines hopefully).
Best is to wait some times a new version or to try another distribution (like Mint with Debian package of Fedora, Mandriva with RPM packages).

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Joseph Miller (j-k-miller07) said :
#3

delance,

glad that you mention mint, I am currently trying to get the helena version of mint to work on my computer, it works fine as long as I stay in compatibility mode but as soon as I try to do the full install it all goes awry, first it will not allow my keyboard or mouse to work and then it gets to a black screen with white letters that says something about login but seeing as how my keyboard doesnt work I am unable to login

If you have any suggestions about mint that would be awesome, or if maybe you know where I can have someone come onto my computer through my 'ifconfig' and maybe solve the problem that would be extra helpful as well

thanks for the help

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delance (olivier-delance) said :
#4

Sorry, but if you have already problem with Ubuntu CD, I will not help further. It's above my abilities.
If it worked in 9.10, I advise you to go back to 9.10 if possible, and wait some time the situation about NVidia becomes better.
If your are lucky, someone more expert than me will help you.

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Wim (launchpad-xs4all) said :
#5

Dear Joseph,

a question: did you try an older version?

A possible solution is this way:
install the newest version using the previous version first

1. install the previous LTS-version, i.e. Ubuntu-08.04

2. reboot, use Synaptic_Program-Manager to update 08.04 to the newest version (menu-path: <Applications>,... <System>,... <Synaptic>,... )

3. reboot again and set the update-manager to look for newer LTS-versions (menu-path: <Applications>,... <System>,... <Update-Manager>,... )

Set your sources to "Long-Time-Support--ONLY"

Reboot, and the next time you start Update-Manager, above it will show: "A new LTS-version is available, 10.04" [Update]

Select the Update-button... it will get the newest version directly from Ubuntu.com and install U-10.04_LTS on your PC.

Perhaps this way of installing is giving a better result for you.

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delance (olivier-delance) said :
#6

I found in https://wiki.ubuntu.com/LucidLynx/ReleaseNotes these two notes.
Do you use free or proprietary driver of nVidia card ?

1) Incompatibility with nVidia upstream driver installer

Ubuntu 10.04 LTS includes improved integration for nVidia binary driver packages. Unfortunately, this comes at the expense of compatibility with the installer provided upstream on the nVidia website. Users who wish to use the nVidia binary video drivers with 10.04 LTS should install them using the Ubuntu packages, as made available under System -> Administration -> Hardware Drivers.

2) Working around bugs in the new kernel video architecture

Ubuntu 10.04 LTS enables the new kernel-mode-setting (KMS) technology by default on most common video chipsets. While this is a major step forward for the graphics architecture in Ubuntu, in some rare cases KMS will prevent your video output from working correctly, or from working at all. If you need to disable KMS, you can do so by booting with the nomodeset option. You can also save this setting so that it's applied at every boot by adding it to your grub config (for GRUB 2: edit /etc/default/grub and add nomodeset to GRUB_CMDLINE_LINUX, then run sudo update-grub; for GRUB 1: edit /boot/grub/menu.lst and add nomodeset to the line beginning with # kopt=, then run sudo update-grub). (533784, 541501)

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