look here http://windows.microsoft.com/en-US/wind ... e-settings
for me changing the The following number of lines at a time
That's what I was changing, but it had no effect on scrolling in *any* application.
As it happens, my new wireless mouse was delivered today for the netbook I got for
Christmas (which is what started all this upgrading off). This mouse uses an rf dongle
in a usb port, not bluetooth like the mouse/laptop with the scrolling problem. Anyway,
I plugged the dongle for the new mouse into the netbook, and it works perfectly! The
tab bar scrolling in FF (9.0.1) shifts by one single tab, just as it used to do on the older
laptop, even though the Windows setting you mentioned above is set to 4 (and indeed
regular window scrolling up/down does so in increments of about 4 lines).
I tried the new mouse on the older laptop, but that didn't have any effect on the tab bar
Tried downloading and installing new drivers for the mouse from Logitech for the problem
machine. Now the Windows number-of-lines setting is seen and honored by several apps
that I've tried including FF. Unfortunately though it is also the setting that tab bar scrolling
That is not how it used to be before I upgraded to 9.0.1, and it is not how it is working
right now on the new netbook install.
I'm at a loss ... guess I will compare possibly likely relevant entries in about:config on both
machines, and look for diffs. If that doesn't turn anything up, I guess I'll try a reinstall of FF.