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  • myaka Level 4 (2,460 points)
    Glad that worked for you -- but a 2" thick, 30" x 60" oak top (solid and very heavy) was under mine when double-strikes began. And they vanished only when I plugged in a new (Tactile Pro) keyboard.
  • Abbo Level 1 (35 points)
    I just wanted to log anotther case of the double character problem. It happens wwith my new Mac mini and the new white keyboard I ordered.

    I get double characters of all types, not just spaces. I'mm constantly backspaciing to correct the problem. Sometimes it affects logins when the name or password is incorrect because there's a double character in it.

    I actually enjoy the new white keyboard a lot--nice feel, quiet, clean. It's sadly irriating that the problem happens. I love Apple products and have enjoyed tthem since 1987.

    I do seem to recall the same problem years ago. I can't remember if it was the first generation of the blue and white keyboards with black keys that came with my Blue & White G3.

    I'lll calll Apple now and see what they have too say.

    P.S. The double characters in this poost happened naturally, I didn't type tthem on purpose.
  • Danni Babik Level 1 (5 points)
    Please add me to the list of people with imaginary double-letter typing issues. It only happens on my work Mac - a Dual 2 GHz G5 with OS X 10.3.9. It doesn't happen at home, on my G4 17" laptop, or on my older Digital Audio G4 desktop, both of which run 10.2.8.

    I have fiddled with the "key repeat rate" on the meyboard & mouse control panel more times than I can say, and yet the problem still rears its ugly head! Since this is my work computer, it's turning into a real problem; for example, yesterday I sent out an ad and the keyboard typed "hiill" instead of "hill" for the e-mail address. The failure response didn't show up until I was already gone for the day.

    Now, in the last few days I've run into another problem that is keyboard/mouse related. I use a Logitech Marble Mouse with USB Overdrive, at home & at work. My right-hand button is set to click; my left-hand button is set to double-click (no comments from teh peanut gallery, please, that's just how I like it and it keeps others off of my computer because they can't stand it). But lately when I hit the right button I get a double click! This is awfully annoying and time-consuming!

    I played with the double-click speed adjustment on teh keyboard/mouse control panel.

    I downloaded and installed the latest version of USB Overdrive. No fix.

    I downloaded and installed the current Logitech control panel (shudder). No fix.

    Is it a USB problem? Or is it a software problem? Frustrated Mac user want to know, and want a fix, please!!!!
  • Tomishko Level 1 (25 points)
    Add me to the lisst of affected users. Having just persuaded the powers that be here to finally upgraade our computers and buy 13 iMac G5s for our editorial department, I'm plagued by the double letter bug. As our jobs revolve around the written word, you can imagine what a pain this is.

    This doesn't happen on my iBook at home.

    Hurry up Apple and fix the prroblem!
  • RJV Bertin Level 3 (950 points)
    So the only mystifying thing to me is why some people experieince this problem and some don't. It is isolated to particular keyboard revs? Is it just a particcular typing style that triggers is?

    I've started having the problem again, after a couple of months of relief from it. And it combines with a (full-screen) that seems to go on LSD from time to time (ignoring key and mouse, or doing weird things with them).

    I have the impression that these white keyboards are very sensitive to dust, dirt or whatever could get hinder correct travel of the keys. I've got an external keyboard hooked up to my PB here at work, where I mostly access it (the PB) via my desktop. It has developed a really 'tough' toucher: there is a noticeable resistance on some keys. I have never noticed this on other keyboards, but I cannot vouch for a relation between this and the phantom key problem.

    But here's an idea: contact spray. Has anyone tried this? Re: the support: has anyone tried fastening or loosening the screws underneath, just to see if it's a question of either play inside the keyboard, or maybe some sort of asymmetric strain?

    (Oh, and with white keys, one sure sees which keys are never used after a while!)
  • Abbo Level 1 (35 points)
    This is my second post. I did some more extennsive testing and found some interesting things, though no solution...

    I tried adjusting the key repeat rate and delay to a variety of settings, including turning them off. The problem happened with all variations.

    I switched keyboards with a Blue & White G3--I used the blue and white keyboard on my Mac mini, my partner used my new white keyboard on their G3. Neither one of us experienced the double typing.

    I switched back, now using the white keyboard on my Mac mini again, and I've experienced the double typing, but less than before. Though, there are a few instances of it in this message.

    I called Apple TS and they hadn't heard of the problem. They suggested I try creating a new user on my Mac mini and see if the problem happened. If it still did, they said I could take the keyboard in to an Apple Store for possible warranty replacement.

    As someone else mentioned in tthis thread, the challenge is identifying what variable(s) cause the problem. Why do some people experience tthe problem and others don't. Could typing style be a variable? Of course, it shouldn't be--a keyboard and commputer combination shouldn't ever cause double typing.

    I also wish Apple could find a resolution to the problem.
  • Stephan Asmus Level 1 (5 points)
    There is another thread in these groups where someone solved this issue by doing an NVRAM Reset. I did this too (PM G5) and found this to help, but only for a few days. Then the problems came back. Perhaps this will help you. Give it a try.
  • Richard Sweren Level 1 (5 points)
    on the advice of tech support, i did a nvram reset to address my typing problem... it didn't work, but it did manage to wipe out all the music in i-tunes... had to get technical help to retrieve my library, but my playlists were erased
  • Stephan Asmus Level 1 (5 points)
    That's bad indeed.
    NVRAM reset shouldnt do such things, normally...
  • Dr. Bob Level 1 (15 points)
    I have written a couple of times to this thread regarding the double letters on my ibook purchased in Jan of 2005. I have tried all the solutions Apple suggested to my "imaginary" problem including 2 new keyboards and the problem did not resolve. I eventually gave up with Apple. I referred them to this page commenting that I was not alone in this problem but I got no response back.

    I have now, I hoped, solved the problem although not in the most ideal of ways. Our building was broken into Oct 31, 22 offices in all, and numerous computers etc were taken, including my ibook. Fortunately, I have office insurance and this has covered the purchase of a replacement ibook. The double letters has not yet appeared, as you can see.

    How can Apple suggest that this is a pesonal "typing" problem? There is a defect in the product which I wish they would have addressed for me. I had, on separate talks with Apple, told them that I would send them my ibook to look at but they would not take it and suggested I take it back to the dealer who, unfortunately, had tried everything in his power and did not know what else to do. I gave up.

    Hope you folks find a solution to this most annoying problem.
  • John Windsor Level 1 (5 points)
    Add me and my brand new PowerBook G4 to the typing problem list. I know Apple knows How to supply a good keyboard, for that's all I ever had from them since the 80's, until this most recent purchase. You're not seeing duplicates and repeats here because I'm being really careful, but it takes a toll on a guy who can easily type 80 words per minute or so. I have to go back over everything so much I doubt I end up with much over 20 words per minute now with this new computer. I've never had this trouble before with any computer, Apple, or the various PCs I use. I think the problem is mechanical because that's the way the keyboard feels to me, but I certainly don't know. Oh, I've tried changing the things in the Preferences as I read others have, but they had no real effect. And it does it everywhere, all programs, all the time, from iChat to Word, doesn't matter. Hopefully, Apple will realize this problem and help us with it, for I see a thread way to long on this subject for it to be just me.

    PowerBook G4   Mac OS X (10.4.3)   None
  • Paul Edwards1 Level 1 (10 points)
    Glad I finally found this thread. I've been searching for weeks. Yes, I've got it too -- the new white keyboards + Powerbook G4 aluminum.

    I've tried most of these solutions with no luck. Reverting to the older black keyboard, model M7803, seems to fix the problem immediately. Too bad, because the feel of the new keyboards is better.
  • Blubert Level 1 (55 points)
    OK another me too story, but with happy ending.
    I face this annoying problem two days ago and I solve it. I describe my path to victory, maybe it will help someone.

    my hardware:
    - iMac G5 1.6 GHz, 256 RAM, 17" (first model of iMac G5 rev.A)
    - standard apple keyboard for iMac G5 (German)
    - standart keyboard from G3 B&W (English)

    - double keystrokes:
    I strike key (for example "a") once, i get one "a" letter in document, then when i strike any another key (for example "b") i get two letters: "a" and "b", so i get "aab" in document.
    - when I type a whole sentence I must wait for couple of seconds for it to appear, when it appears it losses some letters.
    - some keys not always working (backspace), must hit them several times to work.

    - Cleaning, maitianing with Onyx - didn't help.
    - reinstalling system - didn't help.
    - turning on slow keys paralyse keyboard completely.
    - this problem exists only in my account, there is no problem in my dad's account or in new account when I create one.
    - trying keyboard from G3 B&W - nothing changed.

    What does it mean:
    It is a SOFTWARE problem.
    It is a problem in my account folder, probably in my Library folder.

    So i make new account with administrator privileges. Log on to it.
    Compare my account Library folder with Library folder on new account. Copy all stuff present in my library but not in new library and put it in new library.
    Every time I copy couple of files: logout, login and try to type something.
    Repeat until problem with double keystrokes occur.
    In this way I managed to identificate files responsible for double keystrokes problem.
    It was cocoAspell dictionary ( with polish dictionary installed. What is strange I have it installed for some time and it was working fine, double keystrokes problem appeared two days ago.
    When I unistalled it (manually) problem disappear.
    What is more new version of cocoAspell (2.0.2) works perfectly.

    At least some of double keystrokes cases are software issues.
    In my case it was a cocoAspell but I think that any software connected somehow with typing is under suspicion.

    iMac G5 17 1.6 GHz   Mac OS X (10.3.9)  
  • Paul Edwards1 Level 1 (10 points)
    An update on my typing problem. The black keyboard continues to work very well, with only very occasional double letters. The Powerbook G4 aluminum keyboard produces double letters somewhat more often, but within tolerable limits.

    Connect a white keyboard and I get double letters every 2-3 words. So hardware is PART of the problem for me, but not all.

    Unlike Blubert, my problem affects all users on the machine. I suspected typing-related software, and like others in this thread I thought the obvious thing was fonts, since all typing has to access fonts at some point.

    I downloaded half a dozen font diagnose-and-repair utilities. If you don't handle fonts a lot these are rather complicated, but several interesting results came from this investigation.

    1) Deleting seemed to help for a while, but then the problem returned. I noticed that this .plist was not replaced automatically by the system.

    2) Doing a "safe boot" (hold shift key down while starting up) deletes all system font caches. This relieved double-typing on the white keyboard for a while (a few hours), but then it came back. This suggests that CACHING is part of the problem -- as the cache builds with use, the problem returns.

    3) FontBook shows quite a few duplicate fonts. You can turn them off with FontBook's "resolve duplicates" command (Edit menu), but they reappear after a while. Probably they are being reinstalled by Microsoft Office. I haven't checked this.

    4) The most interesting thing of all is that if you run FontDoctor on System/Library/Fonts, it shows a number of problems with system fonts, including a duplicate font id for LucidaGrande and Courier. I don't really know what that means and couldn't find any documentation about it, but it sure sounds like a problem that might produce double letters (calls to two fonts simultaneously??) I checked my installer DVD (10.4.0) and also another computer running an independent installation of 10.4.3, and both of these show the same problems. 10.3.9 does NOT show them, though.

    FontDoctor says it can repair these problems. It costs $70, though, and since I can fix my problem by using other keyboards, I didn't want to spend money on a repair effort that might not do anything.

    Since this problem (if it is one) seems to affect all 10.4 systems, I'm surprised that I can't find it discussed anywhere else.

    So that's my contribution. If somebody tries the FontDoctor repair, let me know how it goes.

    Powerbook G4 15" Mac OS X (10.4)
  • John Windsor Level 1 (5 points)
    Your work and research into this typing problem is both helpful and appreciated Mr. Paul. I called Apple and was given some instructions and procedures that did help but only for a little while. I don't think Apple knows at this point what the problem is, or whether they even acknowledge there is one. The Apple Store Genius I visited said they had not even heard of it.

    Something else I've noted is that, I can repeatedly hit a key that's double typing often, "t" for example, and unless it's during the normal course of typing it will not repeat. Holding it, of course, will repeat as it's supposed to, but just hitting it as in typing it will not, I always just get one when I hit it. But when I go back to the normal course of typing and it goes right back repeating as before. This is the same for the several keys that are most troublesome.

    G4   Mac OS X (10.4.3)   17" Jan 2005