Keyboard won't reconnect to iMac after battery change. Bajer44

Bluetooth key board working perfectly with iPad after a change of batteries, but will not re-pair with my iMac. Help!! Bajer44

Hi there Bajer44,
You may find the troubleshooting steps in the article below helpfulof you are having issues with your wireless keyboard. Please note, you will need to make sure your keyboard is not paired to your iPad when trying to pair it with your iMac.
Troubleshooting wireless mouse and keyboard issues
-Griff W.

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Wireless keyboard won't connect to iMac, when i press the on button the green light comes on and then blinks twice, i can't type my name/password to log in, please help

wireless keyboard won't connect to iMac, when i press the on button the green light comes on and then blinks twice, i can't type my name/password to log in, please help

Impossible, there are zero, as in none, zip, nadda viruses for OS X. If you have viruses on it they are for MS Windows and will not affect OS X. I suspect the hard disk has crashed, if you have backup then it's not a big deal to have it changed, just take it into your local Apple Store or AASP for service. If you have not been backing it up you may be in for a painful lesson on why backup is critical.

My iphone 5 is stuck in recovery mode after battery change?

my iphone 5 is stuck in recovery mode after battery change, I decided to change my faulty iphone 5 battery as i was out of warrenty, I managed to chance the battery with no problems (I Think), when i put the phone back together and tried to power on with the power button, nothing happened.! i connected to itunes and it powered on, displaying the connect to itunes screen (recovery mode) all was going well, the phone was restoring, the image of the phone restoring and loading up was displayed on the screen, when it finished it restarted but to show the connect to itunes screen again, it is stuck in the recovery loop. i tried the steps with holding the power and home button etc, none worked.! now when i try to restore, it extracts software but then, ' the iphone could not be restored, an unknown error occured (3194)' comes up, any ideas out there???? and Happy Christmas to Everyone ,

Hello Andyoneill9,
It sounds like you are trying to restore your phone but keep getting an errror message 3194. I want to recommend the troubleshooting steps from this article named:
Error 3194 or "This device isn't eligible for the requested build"
http://support.apple.com/kb/ts4451
Resolution
Important: If you see one of these messages and need help updating or restoring your iOS device, Install the latest version of iTunes and try to update or restore again. After that, follow these steps if you need more help.
Check your "hosts" file
After you've updated iTunes to the latest version, you can check the hosts file to be sure your computer can contact the update server. Use the numbered steps below if you’re on a Mac.
If you’re using a Windows computer, follow steps in this Microsoft support article, noting that resetting the hosts file will affect software services that rely on hosts file redirects. If you're using Windows on a business computer, consult your IT department to be sure applications will still work correctly after resetting the hosts file.
In the Finder, choose Applications > Utilities.
Open Terminal.
Enter this command and then press Return:
sudo nano /private/etc/hosts
Enter the password you use to sign in to your computer and press Return. You won't see text appear in the Terminal window when you enter the password. Make sure you use a nonblank administrator password.
Terminal will display the hosts file. Navigate using the arrow keys and look for an entry containing “gs.apple.com”.
Add the # symbol and a space ("# ") to the beginning of the gs.apple.com entry.
Press Control-O to save the file. Then, press Enter when prompted for the filename and Control-X to exit the editor.
Restart your computer.
Try to update or restore your iOS device again.
This is the first troublehsooting step to try, so there are additional things to try if needed you need them.
Thank you for using Apple Support Communities.
Regards,
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Wireless Keyboard issues after battery change

I've search the forums for an answer and can't seem to come up with anything.
I have an older white wireless keyboard. It's been running great on my Mac Pro since day one, no battery changes since new, about 9 months now, maybe a bit more. The batteries just died on me and I went and changed them with 4 new batteries. Upon turning the keyboard back on, the green power LED comes on steady for about 5 seconds, then goes into a quick double blink, then a pause, then double blink again, repeating this over and over again.
I've replaced the batteries again with a different brand, same results. I've attempted to clean the positive terminals with a pencil eraser as found in an Apple knowledge base article. Nothing seems to change. The unit won't connect and doesn't appeared to be powered on as the Caps Lock key indicator will not light up.
Is it dead? Any ideas on the double blink indicating a fault? The manual does not have a key on blink codes.
Message was edited by: VioletM3

Contacted Apple phone support. They had me reset my PRAM and after the reboot, the keyboard connected back up just fine and is working properly again.

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The only solution is to use Apple supported Bluetooth hardware (which the Targus isn't).
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Hi, Yukiguni!
You sure have an interesting problem...
You might review Texas Macman's tutorial at the following link:
http://www.geocities.com/texas_macman/pram.html
I'd check that replacement battery with a voltmeter to insure that it's good. ("New" isn't necessarily synonymous with "fresh".)
You might try completely de-energizing your Mac. In the link above, there's a Tip just above the Battery section that refers to what to do when sometimes computers lose their mind. This procedure oftentimes works to reset a PMU/CUDA that seems to refuse to reset properly and retain the correct startup parameters.
If you can get the Mac to boot from disk again, you might run the Apple Hardware Disk. Definitely run Repair Disk from the install disk if you haven't already done so and can get it to boot from disk. (You might try booting to the Startup Manager by holding down the option key at startup and trying to select the disk from there. Your best bet for success is to do so just after resetting the CUDA/PMU.)
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Synching after battery change

I just put a new battery in my ancient, but fully functional m130. I have to run it on an old eMac with OS9.
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How do I synch it so the data in the Palm Desktop on the eMac is put back into the m130?
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Make an appointment at the nearest Apple store genius bar. The diagnosis will be free, any repairs will not be free. Then you will be in a position to make an informed decision.
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If that only happens after you change batteries, I would say that is normal. You might make the device a favorite - that may help.
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Fix for a Mac that won't power up
Mirrored Doors G4. When you pressed the power button, the button would light up, but the computer would not turn on. The fans on the power supply wouldn't turn on.
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Select  ▹ System Preferences ▹ Bluetooth. Select the device in the list on the left, then from the action menu (gear icon) below the list, select Update Services. If there's no improvement, delete the pairing from the list and recreate it.

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I have a Macbook Pro Intel Core i7 and am running OSX 10.7.5
Everytime I am using my computer and the battery dies, the display will not turn on after I plug it in again. I have tried to wait until the computer has charged up a good amount, but when I wake the computer back up after dying, the macbook startup sound plays and the LED light shines bright as if it were on, but no display. I have also tried click and pressing different buttons on the keyboard to see if this would wake it up, but no success. I have had to do hard restarts everytime this happens because it is the only way to get my display working again.
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Reset SMC.
http://support.apple.com/kb/HT3964
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Hi Laura Hallaert,
I understand that you are seeing a progress bar appear after waking from sleep when your computer has shut itself down from a lack of power. This article will explain to you why you see the progress bar:
Mac computers: Progress bar appears after waking from sleep - Apple Support
http://support.apple.com/en-us/HT201635
This progress bar only appears when your computer’s battery power has been depleted, so if you put your computer to sleep before that happens, you should not see this behavior any longer. Thanks for coming to the Apple Support Communities!
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Apple Wireless Keyboard won't pair with iMac...

I just bought a new 27" iMac and had customized and shipped from Apple (didn't buy it off the shelf in the Apple Store).
When the new iMac got here today, I connected it to my aftermarket (wired USB) keyboard and trackball. It works fine.
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When I start my old iMac, it comes on and brings up a "Bluetooth Setup Assistant" window and starts automatically searching for a bluetooth keyboard. I read the instructions online, and powered-on the Apple Wireless Keyboard that came with my new iMac. I powered on this new keyboard, and my old iMac starts to recognize it (it says "Attempting to connect to keyboard"), but then says there has been an error, and doesn't recognize it.
The instructions online say that when I power on my Apple Wireless Keyboard, the green light on it should start blinking. It doesn't. It just comes on for about three seconds and goes off.
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Well, of course that had occurred to me. But I need to use both computers at once for a while, and I only have one wired, USB keyboard.
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Welcome to the Apple Support Communities
On the device, open Settings > Bluetooth and turn Bluetooth off. Then, hold Power button of the keyboard until it turns off, and finally, turn your keyboard on and it will connect to your computer

Keyboard won't reconnect to iMac after battery change. Bajer44

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