Video problem with 7.2.0

[dataworx22]

Thanks for your time Klaus.

I have tried with cheat code 'knoppix no3d', the machine now stops during boot with error

'grep: /etc/x11/xorg.conf: Input/output error

I think, to avoid wasting your time, I will start from a fresh install and follow your instructions again to install the nVidia driver and see what happens.

I should mention that I use the ADRIANE-KNOPPIX_V7.2.0g-CD-2013-07-28=EN ISO in case this has any bearing on the matter.

[dataworx22]

Here are some screenshots that I took yesterday, before installing the nVidia driver:

Screenshot1.pngScreenshot2.pngScreenshot3.pngScreenshot4.png

[dataworx22]

So just to update this, I have done a fresh install of the 7.2.0 ISO onto two different USB sticks, just to rule out possible USB stick issues. Both installations have failed after a few minutes - the screen images deteriorate and the OS becomes unusable. I am now back to using a fresh install of 6.7.1 on one of these same USB sticks and it's been working fine for the last hour or so. Below are a couple of photos of what happens to the screen:

IMG_0067.JPGIMG_0069.JPG

[dataworx22]

I still have not resolved this issue with my limited Linux experience. I have tested now three times with a fresh install, the results are as follows:

Fresh install, no cheat codes, no additional drivers: Screen image deteriorates after a while (variable) and machine has to be rebooted.
Fresh install, no cheat codes, appropriate nVidia drivers installed: Machine freezes after a short while and has to be rebooted.
Fresh install, no3d cheat code: running fine, uptime several hours now.

The no3d code is what Klaus suggested previously, I tried it after I'd already had some issues with the same install and it didn't work out. It seems to work fine when used with a fresh install.

[Werner P. Schulz]

Did you ever tested the md5sum (=> Test the ISO) of your download and/or the integrity of your DVD/CD and of your flash install with the cheatcode "knoppix testcd"?

[dataworx22]

Did you ever tested the md5sum (=> Test the ISO) of your download and/or the integrity of your DVD/CD and of your flash install with the cheatcode "knoppix testcd"?

I tested the md5sum after downloaf, it was good. I have just run cheatcode "knoppix testcd".the system reports "All files OK".

[dataworx22]

Also for further information: In the last few days I had the opportunity to test the following distros, some of which also gave problems with screen display on the same machine:

Peppermint 4
Ubuntu 12.04 screen also deteriorates, no solution found
Bodhi 2.4
Slax 7.0.8
Porteus 2.1 screen also deteriorates, still trying to resolve it

I think my best solution is to get another laptop without nVidia card