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Mouse cursor random offset

Hi

I have a problem where the mouse cursor offsets to the right by approximately 20 pixels. The desktop displays correctly otherwise. While the mouse cursor offsets to the right by ~20 pixels, the point where X/KDE or whatever _thinks_ the mouse cursor is remains aligned with the desktop. Consequently, clicking a mouse button (either) actually clicks a point on the desktop 20 pixels to the left of the cursor image. Thus, to minimise a window (for example), I have to move the cursor ~20 pixels to the right of the little minimise button, whereupon it highlights and I can click it.

Even more strange is that this behaviour only surfaces occasionally. It is always (so far) normal when I have just booted into KDE, but suddenly, without warning or any other effect, offsets the cursor.

I cannot find any pattern to this behaviour - it happens only occasionally, it doesn't seem to happen after a fixed amount of time, nor does it seem to be caused by any particular application, or any other stimulus.

Lastly, the behaviour doesn't go away by itself - I have to reboot (not just logout and back in) to reset it to normal behaviour.

I am running RH Linux 7.2 (kernel 2.4.7-10) with KDE 2.2-11.

I hope this is clear enough, if you need more information or clarification, please say so (and how to find that information, e.g. version numbers - I'm still a newbie with Linux).

Thanks

Sebastian
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sderaadt
Asked:
sderaadt
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1 Solution
 
ridCommented:
A guess:

If this were M$ O/S, I would suspect video drivers for corruption. In this case perhaps something with video acceleration can be adjusted. (It may be set too high, stressint the video processor :)) I think it is "somewhere in the KDE control center".

Cheers
/RID
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sderaadtAuthor Commented:
rid

Thanks for the comment.

The only thing I can find about my video card (a Trident CyberBlade) in the KDE control panel is in the Hardware Browser (K|System|Hardware Browser) - but it doesn't allow me to change any settings of the card, nor give any more information than the name of the card!

I suspect there is some command-line tool that will give more information - but I haven't been able to find such a tool yet.

Sebastian
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sderaadtAuthor Commented:
Its been a while, but no more reponses to my question o comment.

I'm afraid rid's comment doesn't really help much.

If I don't get any more comments, I'll have the question deleted.

Sebastian
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ridCommented:
Sorry for not being able to help. I've never come across anything like this before. If you can switch to GNOME desktop you could try and see if it appears there too.. isolato the problem a bit... Otherwise  no ideas, frankly.

Regards
/RID
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sderaadtAuthor Commented:
rid

Thanks for your comment.

I haven't really tried it in Gnome, as I prefer KDE. However, the problem doesn't seem to have re-appeared since I re-installed linux - maybe there was something corrupted.

Thanks for your suggestions. I'll give you the points since you took the time to post comments.

Thanks

Sebastian
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