Apple Wireless Keyboard - Maximum Number of Pairings

I've read the Apple Wireless Keyboard can be paired with more that one device. Does anyone know what the maximum number of devices it will remember? If I get it there are potentially four that I could pair with it.

I've two secondary computers and an iPad I may want to use it on infrequently. More specifically what I'm asking, can I pair the keyboard with all four devices? I'd obviously only use it with one at a time. For example, if I need to use it briefly on a server can I disconnect from my MBP, enable BT on the server, use it, disable BT on the server, and reconnect with my MBP without having to walk through the pairing process each time. I've read in other threads this is possible. I hoping to find out if there is a maximum number of devices the keyboard will remember its been paired with. Make sense?

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When i want to ask the guaranty status of my apple wireless keyboard, i got an error: apple keyboard We're sorry, but this serial number is not valid. Please check your information and try again.

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Serial Number fo Apple Wireless Keyboard (2007)

Hi, I bought a re-certified *Apple Wireless Keyboard (2007)* from the online Apple Store.
Where can I obtain the serial number for this product?
Thank you.

Thanks - I live about 500 miles from an Apple Store, so that's kind of not so good. :-/
I ended up calling (since I was still in the 90 day support window), and found out that it was covered as part of the Mini's warranty. That was the good news.
3 days later the replacement keyboard came. It was the full-sized plastic keyboard...in Spanish. :-/
After another call, and 3 more days, the replacement keyboard came. It was the full-sized plastic keyboard...but in English.
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Two Apple Wireless keyboards (at 2 locations) vs 1 G4 PoowerBook

I like using my Apple Wireless keyboard with my Powerbook G4 which stands on an iCurve at work. I make heavy use of the extra keys.
At the moment I take the wireless keyboard home with the PowerBook but this is getting tiresome. I am considering buying a second wireless keyboard.
Before I do my question is this:
Can I Pair a second Apple Wireless Keyboard (which stays at Home) and maintain the office wireless keyboard (which stays at work) pairing too?
NB I don't want to have to delete any pairing everytime I go home or come to my place of work. I want seemless 'finding' of the keyboard it finds at boot time.
The two keyboards will never exist in the same location, in fact they are 50 miles apart.
I have searched through the discussions but could not find this situation discussed.
Thanks.
PowerBook G4 1.66GHz Mac OS X (10.4.5) Apple Wireless Keyboard

Hi, G.Cactus!
I've participated in a number of threads about this issue, with fairly consistent — albeit not unanimous — results. Unfortunately, many folks never post back to confirm the results of their experience; I'm guessing this is because the "answer" is unsatisfying, and ~counter-intuitive. (More on this in a minute. [1])
How? Apple is pretty unambiguous on the subject in KnowledgeBase Article 86471 — Bluetooth: How to Delete a Paired Device —"Note: Some Bluetooth devices (such as keyboards and mice) are designed to be paired and used with one computer at a time. If you pair your keyboard or mouse with another computer, delete the pairing with the original computer first. This will ensure that the device only attempts to operate with the intended computer."Logically, the converse should also be true.
Given this, your"NB I don't want to have to delete any pairing everytime I go home or come to my place of work. I want seemless 'finding' of the keyboard it finds at boot time."...appears to be too tall an order. Making your keyboard a "Favorite" enhances "seamlessness" — but multiple pairings appear to require the "extra step" — for input devices, anyway...
A number of folks have reported that this (deleting pairing/re-pairing) worked for them — although they consider it annoying. C'est la vie — if the "delete pairing" and "re-pairing" process takes more than ~a minute or two, something else is awry...
In ~10 months of watching this & a few other Bluetooth forums, I can only recall one poster who reported success without having to delete pairing. See [ Richard Kroc, "Re: Can you pair 1 mouse to 2 computers?" Jan 28, 2006 9:45 pm ], if you're interested.
You can peruse other threads from this forum on the topic by using — search terms such as < delete +(pair OR pairing OR paired) > — along with delimiters of your choice (such as (+keyboard !mouse)...
[1] Why? "Unsatisfying" is apparent.
"Counter-intuitive" (imo) because one of Bluetooth's strong points is that it facilitates inter-operability across a range of Bluetooth-enabled devices — even allowing one device to work ~concurrently across multiple "piconets" (Bluetooth™ Personal Area Networks of up to 1 "master" and 7 "slave" devices each). But it appears that HID (Human Interface Devices, "geekspeak" for "input devices" such as mice & keyboards) are in a different category among Bluetooth-enabled device in this regard. Intentionally.
The Bluetooth technology defines numerous "Profiles" through which Bluetooth-enabled devices of different kinds can communicate, using standardized protocols.
If a "requirement" for such redundant "re-pairing" were the case for PDAs, phones, headsets, etc.,
my guess is that the Bluetooth SIG would consider this an intolerable limitation.
As defined in the latter document cited ("Profiles Overview"), the HID profile within the core Bluetooth specification was designed using "the USB definition of a HID device in order to leverage the existing class drivers for HID devices" — i.e., in an effort toward a ~universal approach among similar products. But there are clearly differences once the cables are removed.
I've read through the available HID specification ["Human Interface Design Profile (HID)," May 2003; available from here] — as best I can as a layperson. The "limitation" is intentional, and ~complex. I think I understand the rationale for it, at least in part and in general terms. Apparently, two factors control in this regard for HID:
• Limitations on discoverability/non-discoverability to facilitate ~rapid connection
• The need for rigorous support of authentication/bonding/encryption for HID "due to the extraordinary
sensitivity of the information that commonly travels from these devices" compared to other
Bluetooth profiles.
Note also that the pairing and authentication/encryption processes involve very complex communication protocols that are defined specifically wrt to each piconet. My guess is that this represents a practical boundary — at least at the moment. Depending on the evolution of Bluetooth technology, growing use of multiple "concurrent" piconets in some environments may motivate changes.
I'd be interested to hear more about your experience and views on this.
I realize this isn't the answer you wanted to hear, but...
HTH!
Dean
I edited this message... But probably not enough!
[1,957 ⊥ 3,340]

Wacom Tablet causes Apple wireless keyboard to stop working.

My Wacom tablet/pen causes my Apple wireless keyboard to stop working. While working on a photo in Photoshop using my Apple (usb) mouse to make selections the keyboard works fine. When I use the Wacom Pen to make selections, not immediately but anywhere from five to ten minutes into it, I hear what sounds like a chirp from my computer (Mac Pro) and my keyboard stops working. The command, option, control and direction keys still work but not the number and letter keys. I have to connect a spare Logitech keyboard via USB in order to continue and not loose my work. After awhile I will hear the chirp again and the Apple keyboard will start working. This will continue to occur at irregular intervals. Without the spare keyboard I've had to reboot my computer (loosing all the work on the photo) to get the keyboard working again, but only for it to reoccur. Any suggestions to fix this would be appreciated.

The Mac inherently keeps all input methods active, such that you could type alternate keys on alternate keyboards.
If you have third party add-ons that might change the way Bluetooth works, those would be the primary suspects.
Be sure all your Drivers are completely up-to-date, and batteries in battery-powered devices are still strong.
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Unable to pair Apple Wireless Keyboard in OS X 10.5.8

Hello everyone,
This is my first post here so if I mess it up, pls don't dog me too much...
I'm currently running OS X Tiger on a Dual PowerMac G5 2GHz with 3GB of RAM and all is well with the world. However, in an attempt to upgrade and become familar (more so) with OS X10.5 I've found that I am unable to pair with my wireless keyboard. I'm running 10.5 on a seperate drive. It sees the dongle, just won't pair with it. The Bluetooth dongle I'm using works fine in OS X 10.4.11, has for years. Any clues, is there something I'm missing?
I've read about Bluetooth issues with Leopard so I thought I would see if i could find an answer here. The keyboard is the original Apple wireless keyboard that came out a few years ago, Model M9270LL/A.
Hardware Overview:
Machine Name:    Power Mac G5
Machine Model:    PowerMac7,3
CPU Type:    PowerPC G5 (2.2)
Number Of CPUs:    2
CPU Speed:    2 GHz
L2 Cache (per CPU):    512 KB
Memory:    3 GB
Bus Speed:    1 GHz
Boot ROM Version:    5.1.8f7
Apple Bluetooth Software Version:    1.9.5f4
Hardware Settings:
PowerMac G5:
Address:    00-02-72-08-1e-0c
Manufacturer:    Broadcom
Firmware Version:    3.16389 (3.17166)
Bluetooth Power:    On
Discoverable:    Yes
HCI Version:    3 ($3)
HCI Revision:    16389 ($4005)
LMP Version:    3 ($3)
LMP Subversion:    17166 ($430e)
Device Type (Major):    Computer
Device Type (Complete):    Desktop Computer
Composite Class Of Device:    1057028 ($102104)
Device Class (Major):    1 ($1)
Device Class (Minor):    1 ($1)
Service Class:    129 ($81)
Requires Authentication:    No
Thanks for any help you folks might wish to provide me in advance.
Message was edited by: Onatopa

I don't think you're following me very well Mr Williams. I appreciate your attempt to assist and hopefully I won't come across as an **** here but, you're not helping. I will agree you, it seems to be a software issue...and it's called Leopard!
Let me explain something. I have not migrated this system, as per se, and for obvious reasons. The system has 2 HDD's. One has 10.4.11 on it and the other HDD has 10.5.8 installed. I can go from one to the other and it's the way I will continue to work until this problem has been resoved, if ever. I can NOT be productive without the Mac running, regardless of which OS. I'm attempting this because I have apps that must have Leopard, so I'm trying to make it work.
Just to be clear, I gave-up running OS X 10.3 several years ago but did not do so without kicking and screaming the entire way. Now, I'm comfortable with Tiger and I'm very glad I upgraded, as it's a much more stable OS but at this rate I'm about ready to give-up. I don't need Leopard and I don't want it, nor do I like the look and feel of it, I just wanted to try and attempt to upgrade and see if I could run some newer apps that won't run on Tiger. I will probably NEVER upgrade to an Intel Mac, even if I could afford to do so. And I will NEVER run Micro$oft Windoze on a Macintosh...period - EVER! That to me is just sacrilege...so just call me a purist, I care not. If I want to run that OS I'll do it on a PeeCee.
Back to the dicussion.
I'm typing this reply on the PowerMac running 10.4.11 using the keyboard in question and my Bluetooth dongle. And YES, the keyboard is the older, white keyboard. Did I not share the model # in the original post, Apple Keyboard model M9270LL/A ? Did you not Google that if you're not familiar with these Model numbers?
You said, "...Another thought: did you "unpair" the keyboard from the old system before trying to pair it with the new one?..." What exactly does that mean? That's makes no sense at all. "Can you "see" the keyboard in the bluetooth setup window when trying to set it up or not?" What does my original post say?? YES, I can see the keyboard in OS X 10.5.8, I just can not pair with it.
As a last resort I have installed the Apple Aluminum Keyboard Update, as per your suggestion, even though I don't have an aluminium keyboard and this 'update' installed successfully but my keyboard, although seen will still not pair with the dongle. I will NOT go buy a Al Keyboard just to test this issue. The only thing I've thought about purchasing is the Bluetooth module so that I don't need to use a dongle, but those are expensive and often hard to find. I have also removed the prefs file from /user/Library with no effect.
I almost forgot. I also have another BT dingle from Kensington and although the system sees it as does the other, it does not pair with the keyboard either. That dongle works fine on my PeeCee laptop without any problems, so both dongles are functioning correctly. Do you have any other suggestions you would like to share?
Thank you for your time.
< Edited By Host >

Apple Wireless Keyboard

I cannot get my apple wireless keyboard to work. I changed the batteries and now I can't get it to pair. When I go into set up bluetooth device I click on find keyboard and it shows nothing found. When I click other device it recognizes it but when I type in the passkey (number on the bottom of keyboard) it will not pair. Please help..

Are you using the new wireless keyboard, or the older version?
I am having similar problems with my wireless keyboard. One day it just stopped working. I took it in to the Genius Bar, and they couldn't figure out what was wrong with it either. They replaced it for me. My new one still won't work. It is strange, because my computer recognizes the keyboard, and it seems to be paired. When I type on the keyboard, it is as though the computer recognizes it as a mouse - the cursor jumps around, and if I hit the "I" key, it "clicks" as though the mouse were clicked.
Unfortunately, I am now back at school in Santa Barbara, and there are no Mac stores to visit. Furthermore, I am no longer covered by phone support (you'd think that the wireless keyboard would be covered... no such luck.) Have you had any luck with your problem?

2009 Apple Wireless Keyboard

I recently purchased a 2009 Apple Wireless Keyboard from eBay - that was "in perfect working order."
When I recieved the product, I connected everything as shown in the Apple directions, but there was a problem.
My issue is that it seems as though the Left Shift key is stuck, however, not physically stuck. Everything I type will be in capital letters and when I type a number, I get the secondary output (ex. 3 will equal #.) The right Shift key doesn't work at all. I turned it off/on, with no avail. Then I noticed that my windows are moving very slowly! It takes almost 30 seconds for a window minimize.
I went through Apple, so I could find all of the updates for everything I would need: Bluetooth, wireless keyboard, etc.
After installing the updates that I needed, and disregarding the ones I didn't - I restarted my computer and the keyboard still didn't function properly.
Am I missing something? Or should I take advantage of the 30 day warranty and get it replaced?
I'm using the white Macbook (mid 2009).
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I suggest you send it back.
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If you need another, give Apple feedback:
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Wireless keyboard w/ number pad

Is anyone using an original Apple Wireless keyboard (circa 2005) on a newer mac? I cannot get mine to work with my 2008 Macbook or 2010 iMac...

I recall an iPhone app that lets you use said iPhone as a number pad.
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I did that for a while, but eventually just started using Quick Apply. I started naming my styles in such a way as to keep ID functions out of the Quick Apply list - starting style names with varying numbers of apostrophes or right square brackets or whatever keys are handy and unused and right next to the Enter key. It wound up being rather faster than the numpad shortcuts for documents with large numbers of styles, after a few long nights of slightly frustrating re-education.

Cannot get new Apple wireless keyboard to pair

I've followed the "how to" document but it does not work -- I'm assuming those instructions applied to the previous generation apple wireless keyboard, but not the new aluminum series.
When I "Add new connection" (either Express or Custom mode) a dialogue box pops up asking me to enter a PIN on the keyboard and press enter. I enter the number given, but I get an error message that authentication "went wrong." I've heard that I need to enter a PIN of 0000 for the keyboard to work, but the Toshiba Bluetooth stack doesn't seem to want to let me choose my own PIN - it always chooses for me.
I have uninstalled the Toshiba stack and tried the XP SP2 stack -- it works with the new apple keyboard when a PIN of 0000 is used. Unfortunately, the XP SP2 stack doesn't have the other profiles I need so I can't really use it.
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So you have entered the according PIN code into the Bluetooth keyboard (not the PC keyboard ! ) and "Link Level Security" was enabled - Is this correct ?
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Can't pair my Apple wireless keyboard

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Hello:
Try a couple of things:
Trash a preference file (com.apple.bluetooth.plist) and restart.
Reset the PRAM and SMC
I am assuming you have a wired KB that works.
Barry

My Ipad2 won't pair up with my apple wireless keyboard.

My Ipad2 won't pair up with my apple wireless keyboard. It shows it's available to be paried, but when I try to type the 4 number code and press enter, nothing happens and finally the bluetooth search times out. Anyone with suggestions?

I realize this is an old post, however I had the same problem (Apple 2009 Aluminum BlueTooth keyboard and iPad 2). I kept getting the "Pairing Unsuccessful" message. Here's what worked for me:
1. Turn off the keyboard by holding down the power button until the green light turns off.
2. I power cycled the iPad by holding the sleep/wake and home button until the screen went to black, and turned it on again. (Not sure if this was necessary, but I figure it couldn't hurt.)
3. Holding the keyboard in my lap, I pressed AND HELD the power button in through the next few steps. (DO NOT LET GO UNTIL I SAY SO)
4. At this point, I got the message on the iPad to type the code. YESSSSSSSSS!
5. STILL CONTINUING TO hold in the power button, I keyed in the code and pressed return.
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Bluetooth (ON ( ))
Devices
Apple Wireless Keyboard ----------------------------------------- Connected (>)
7. That's it. You can let go of the power button now.
Hope this helps, I thought I'd post this in case anyone else was having similar problems.
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I just brought the latest apple wireless keyboard(2011) and I tried the control keys(briteness, music control, volume control) none of them worked on my iPhone 4(ios 4.3.5), but those shortcuts like: cmd+a, cmd+c...worked very well, I don't know what's wrong with this and I think those control keys are very useful, I'm planning to replace my old Lenovo laptop with my new accessory, who can give me a hand please!!! Thank you!

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Apple Wireless Keyboard - Maximum Number of Pairings

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