Try changing output= in dosbox.conf. It's possible that the video drivers broke the default output.

DosFreak wrote:

Try changing output= in dosbox.conf. It's possible that the video drivers broke the default output.

First of all… Thank You.

All of the offered alternatives solve the colour problem.
All of them change it to another unimportant hick-up: the game is no longer centered on the display, it is now at the left side
But that of course is not a problem, the game works fine like that.
When I tried “surface” once more, the colour problem was back. So thank you for that.

But that is not the real problem. As you seem to know your way around:
What does this tell me (you) about the drivers and the graphics card? I have updated, uninstalled and re-installed drivers for the NVidia GT 630 from NVidia, from Windows and from Intel. The problem remains the same….

Does all of this tell me, that my graphics card itself is the problem?

It's probably some kind of video driver problem.

If you want to test your graphics card, go get 3DMark.

Jorpho wrote:

It's probably some kind of video driver problem.

If you want to test your graphics card, go get 3DMark.

Thank you, but I have know for two weeks by now that it is some kind of driver problem.
As I have written, I installed, deleted and re-installed three different sets of drivers and the problem is still the same, so my question is, how can I test my graphics card if it is the problem, because it does not start the drivers properly.And 3dmark will certainly not tell me ....

rossdorn wrote:

As I have written, I installed, deleted and re-installed three different sets of drivers and the problem is still the same

It is not inconceivable that all three sets of drivers had the same problem, or otherwise that something went wrong during the deletion and re-installation processes.

so my question is, how can I test my graphics card if it is the problem, because it does not start the drivers properly.And 3dmark will certainly not tell me ....

If your graphics card is physically defective, then DOSBox is a poor means of testing it.

Jorpho wrote:

If your graphics card is physically defective, then DOSBox is a poor means of testing it.

Dos BOx is a way to describe the problem.

My question is, what is a USEFUL way of testing. 3D Mark certainly is not not, it is a toy for children to compare whose **** is the longest.

I am looking for something that actually DOES test the card. But as it seems, I am looking at the wrong place.

rossdorn wrote:

3D Mark certainly is not not, it is a toy for children to compare whose **** is the longest.

It is a convenient and reliable way to stress your hardware in a known, consistent fashion and thus identify any particular point of failure.

By all means, if you come up with a much better idea, please come back here and tell us about it.

Not to mention that your whole system may be broken judging from your initial post.

Dominus wrote:

Not to mention that your whole system may be broken judging from your initial post.

Right now it is working perfectly, except when I use dos box... and everything, instead of being centered is moved to the left as far as possible. The one useful help came from dos freak, it was his advice to change "output". This solved the colour problem and replaced it with a screen-move problem. So I wanted to know, if any this has occurred before.
All the problem are connected to the graphics card, but as it seems nothing exists that will actually test if it really functions..

So, thank you and good bye, dos box itself is great.....