Mighty Mouse and wireless keyboard stop working

Just got my iMac yesterday and everything worked out of the box. But once yesterday and once so far today, the wireless mighty mouse and keyboard stopped working.
Today I noticed after the mouse stopped moving the cursor, the little green light on the bottom of the mouse was blinking. I turned off the mouse and turned it back on, but the green light still blinked and the mouse still didn't work.
The only thing that did something was the power button on the iMac. I had to turn off the iMac and turn it back on. Then the keyboard and mouse worked again.
What's going on? Do I need to get the iMac repaired?

Hello and Welcome to Apple Discussions ...
Try deleting this file. com.apple.bluetooth.plist
/Users/YourName/Library/Preferences. Drag that file from the Preferences folder to the Trash, empty the Trash and reboot.
If that doesn't help, make sure the batteries are charged. Go to System Preferences/Keyboard&Mouse. Click the Bluetooth tab. Your battery levels are displayed there. When it gets down to one green bar on the left, install new batteries.
If none of the above helps, turn the mouse and keyboard off. Delete the mouse and keyboard from the System Preferences/Bluetooth devices window. Select the mouse in the window on the left, then click the minus - button. Now open the slider on the mouse so the green light blinks. Click + which will launch the Bluetooth Setup Assistant. Just follow the instructions. Same for the keyboard. If you still have issues with the wireless hardware, I'd take it back. You have 14 days in case you need to replace the iMac.
Carolyn

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I'm looking into picking up the Mighty Mouse and the Wireless Keyboard, but I've noticed that the keyboard has some set backs.
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Hi..If anyone can help me, I appreciate..
i allways use my wireless keyboard and mouse with my imac and i never had a big issue with the kb\mouse... until recent,that i stored my imac ,mouse and keyboard inside their respective boxes.
off course i put bateries out,nothing had fall and when i return after 1month, the keyboard stop working!!
stop working completly even the backside light is off and i put new bateries.,,,
i turn on the bluetooth from the imac and nothing is coming there..
anyone have any idea about this??
thankx...
i have been usilllllçlçlng

thankx..but i already check all those post and apple info pages...
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NOTE: The following steps fixed my issue. I thought I would share what worked for me but I really don't ever visit these discussion groups. I used a combination of Sysinternal tools to isolate what was causing my issue and rectified it.
I couldn't for the life of me get the bluetooth magic mouse and keyboard working in a bootcamp'd windows xp. Here are the steps that I performed to finally get it to work. The assumptions are that you are running a clean XP build with SP3 and all windows updates installed.
1. Using a USB mouse and keyboard. Insert the OS X install disc into the drive and run through the bootcamp drivers install. (These steps are outlined at Page 12 in the Apple Boot Camp Installation Guide: http://manuals.info.apple.com/en/bootcampinstall-setup.pdf). Let the installers run per apple instructions in the bootcamp installation guide. At the end it will want to reboot. Reboot the system.
2. After the system reboots login and run the Apple Software Update utility to update from bootcamp 3.1 to 3.2. It will run through a bunch of installers and ask to reboot at the end. Reboot.
3. After the system reboots login and go to start=>run and type "services.msc" to bring up the services control panel.
4. Double-click the "Bluetooth Support Service" to open the properties.
5. Go to the "log on" tab and look to see what is set. If it is set to "NT Authority\LocalService" then click above it to change to "Local System account." Then click "OK." It will tell you the changes won't take effect until the service is restarted. No worries.
6. You will be back in the main services control panel. Make sure the "Bluetooth Support Service" is highlighted and look up to the left and select "restart the service."
7. Close all the open windows and then go to start=>run and type "control panel" and hit enter.
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12. Follow the steps in the Apple guide for your keyboard. This should work too now. Sweet!
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Mighty Mouse and wireless keyboard stop working

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