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Thursday, 24 July 2008

Autocad 2008 scroll wheel not working

I had an issue with a client today where their mouse would work all through Windows - Office, IE, etc.

When they ran Autocad 2008 - the mouse would work, they could select things, they could press menu buttons, you name it - but the damn scroll wheel and middle button did not respond...at all.

In this instance the mouse was an IBM MO28UO USB wheel mouse - and my own mouse (Cherry) does not have the same Control Panel as the IBM - but you may find the issue is similar or related...

The problem was caused by the type of scroll wheel emulation used by Windows.

The solution...
Go to the following START -> Control Panel -> Mouse (Classic View) -> 'Wheel' or 'Scroll Wheel' tab...
The default setting in there was with 'Enable Universal Scrolling' checked.

Then from here you need to select 'Exceptions' -> 'Add' -> 'Browse'.
Find the Autocad program - in my case it was 'C:\Autodesk Autocad 2008\acad.exe' - but best to browse and find it yourself.

Then 'Ok' / 'Apply' all the way out (including out of the original Mouse Control Panel so that you are back to the actual Control Panel)

Then re-start Autocad 2008 (if you were still in Autocad 2008 - exit and re-start Autocad 2008) - problem solved.

By putting 'acad.exe' in the 'Enable Universal Scrolling' exceptions - it forces 'acad.exe' to use 'Microsoft Office 97 Scrolling Emulation Only' - which seems to work with Autocad 2008.

NOTE: This was for the IBM Mouse only...may work with other mice - but the options are not available in my own mouse control panel (Cherry brand). In this case - the mouse was the IBM MO28UO USB wheel mouse - but like I said - if this fixed it - it's likely a similar setting with your mouse.

Also - you could always use another mouse - in this case the client swapped the IBM for a Dell mouse which he borrowed from a colleague and it worked immediately - it was an issue with the IBM Mouse Control Panel Settings. Rather than swap the mouse - check the control panel.

It may also help to know about this option when the scroll wheel won't work in some apps, but will work in others...

Hopefully it solves your problem or at least points you in the right direction :)
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Mandala el Ubby

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