warack@eecs.umich.edu (Christopher Warack) (06/18/91)
Several people have posted about problems with their cursor jerking around on the screen as they moved their mouse smoothly along a line either on a pad or not. I too had this problem: Mac IIsi 5/80, ext keyboard, etc. After many phone calls, the summary of what didn't work and finally did: Clean the mouse (brand new!) No (Not a dirty mouse) Switch from Sys 6.0.7 to Sys 7: No (Not a sys unique problem) Replace the mouse driver (mouse file) No (Not a mouse file problem) Startup with no extensions No (Not an init problem) -- Particularly After Dark (?) No Plug the mouse directly into the ADB port instead of the keyboard No (Not a keyboard problem) GET A NEW MOUSE YES The new mouse works just like it is supposed to (and since I'm still under warranty -- it's free). No one at Apple or the dealer seemed to have heard of this problem; but, by the number of "me too"s on the net it seems to be somewhat common. I'd suggest that if you have this problem, to try the hardware route before your warranty expires. G'Luck, Chris
derosa@motcid.UUCP (John DeRosa) (06/20/91)
warack@eecs.umich.edu (Christopher Warack) writes: >Several people have posted about problems with their cursor jerking around >on the screen as they moved their mouse smoothly along a line either on >a pad or not. . There are two sources to this problem that I have encountered. 1) Light weight balls - There are heavy balls and light balls. The light balls weight as much as a ping pong ball and are just not heavy enough to prevent skidding on the pad. A heavy ball is the weight of a golf ball (or more). The difference is VERY noticeable. Light balls can be helped with a good cleaning and a rough cloth mouse pad for a while but eventually you need to get a heavy ball. This is not covered under the warranty unless you can talk fast and brow-beat the repair shop a little. 2) One way mice - If the mouse will only move in one direction (maybe just a little jerky motion in the other) then this mouse has a problem that is covered under warranty (and I have been told under an extended warranty). The problem is related to a bad motion sensor that no amount of cleaning will fix. -- = Enjoy! = = John DeRosa, Motorola, Inc, Cellular Infrastructure Group = = e-mail: motcid!derosaj@uunet.uu.net, n1111@applelink.apple.com = =I do not hold by employer responsible for any information in this message =
leavens@aludra.usc.edu (Justin Leavens) (06/25/91)
Well, my mouse wasn't dirty, it didn't have any problems with going one way or the other, and it had a heavy ball. The problem was simply that the mouse was bad. If you've been having the problem that we've been posting about, where your mouse jerks back and forth, often negating any forward motion and making it nearly possible to move your mouse from one side of the screen, make sure that you try everything that everyone else has suggested (clean it, make sure your table surface is flat, etc)... And if that doesn't work and it's under warranty (which most of the mice which have had this problem are) take it to your friendly Authorized Apple Repair center and get a new one. I had almost forgotten what it was like to have a working mouse!