Bluetooth can't connect to wireless mouse

After working flawlessly for two years, now my iMac no longer connects to the wireless mouse and keyboard that came with it. I changed the batteries in both to no avail. A US̆B mouse works fine. What could be causing this?

Hello nikkig00,
It is certainly difficult to use the computer if your wireless keyboard and mouse do not connect. I found a few resources I recommend for this issue.
I recommend reviewing this article first:
Troubleshooting wireless mouse and keyboard issues
http://support.apple.com/kb/ts3048
If the issue persists, I recommend reviewing the section titled "Top troubleshooting tips" in the article below. Step 9 specifically stands out to me for the issue you described:
9. Restart your computer
Sometimes a simple restart of your Mac is all it takes to get things running smoothly again. You may also want to try resetting your computer's PRAM and NVRAM.
Bluetooth Quick Assist
http://support.apple.com/kb/ht1153
Thank you for using Apple Support Communities.
Best,
Sheila M.

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Macbook Pro Retina (15") can't connect to wireless mouse and external USB keyboard

Hi All,
I got my new MacBook Pro Retina (15 inch) about 3 weeks ago. It works fine. I got a 30" Dell screen that I am using via thunderbolt/usb adapter. Also, I am using a thunderbolt ethernet adapter. Both adapters work fine without any problems.
I have an apple usb keyboard connected to the USB hub of the screen, as well as my iphone cable. It is a regular, full size apple keyboard. In addition to this, I have a logitech nano connected directly to the right usb port of the macbook pro.
This setup was working well until a few days ago. I lost connectivity with my mouse. Initially, I thought the batteries are empty. After replacing them, I still had no connection (again, the usb receiver is *directly* connected to the macbook).
I changed a few cables here and there and noticed that I can get either the keyboard to work or the mouse but not both at the same time. A reboot did not help.
Did anybody encounter such a strange problem already? If so, what could I possibly do?
Thank You,
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Hello nikkig00,
It is certainly difficult to use the computer if your wireless keyboard and mouse do not connect. I found a few resources I recommend for this issue.
I recommend reviewing this article first:
Troubleshooting wireless mouse and keyboard issues
http://support.apple.com/kb/ts3048
If the issue persists, I recommend reviewing the section titled "Top troubleshooting tips" in the article below. Step 9 specifically stands out to me for the issue you described:
9. Restart your computer
Sometimes a simple restart of your Mac is all it takes to get things running smoothly again. You may also want to try resetting your computer's PRAM and NVRAM.
Bluetooth Quick Assist
http://support.apple.com/kb/ht1153
Thank you for using Apple Support Communities.
Best,
Sheila M.

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Hello there! Both my magic mouse and my keyboard went out of battery life so I charged the batteries.
Then when the batteries where charged and i booted my iMac, neither the magic mouse or the keyboard would connect (through bluetooth) and that results to no logging in to the computer.
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Troubleshooting wireless mouse and keyboard issues

Have to connect my wireless mouse each time

Hi,
I happen to be one of those people who shuts down my iMac at the end of each day of work. When I arrive the next morning and turn it on, it always says it cannot find a mouse to connect to.
(I'm using Snow Leopard and a mouse that's probably more than a year. Also use a wireless keyboard which always connects automatically.)
Even though my mouse is switched on, I always have to shut it off and turn it back on. Then my iMac finds it and connects to it.
I have tried clicking the mouse to make the green light come on (I'm guessing that's what "make it discoverable" means--activate it in some way??)
So is there any way to remedy this? It's getting really tiresome. Thinking of going back to the wired mouse.
(I actually had this same problem when I first starting using the wireless mouse and stopped using it because I didn't want the hassle.)
Thanks for your help!

No. I, myself, made the mistake of assuming Discoverable meant the mouse, or whatever Bluetooth device you have paired, is discoverable and, therefore, needed so the computer can find it. That's not what it means. It means the computer is discoverable by other devices. And, other devices would include someone else nearby attempting to hack in by way of Bluetooth. I suppose if you live on a farm in Utah with the nearest neighbor fifty miles away, it's a moot point.
I just realized what discoverable means because someone's SMART Phone in a nearby apartment yesterday was attempting to pair with my computer, I think quite by accident. I got a message to that effect and denied. It may also have meant that they left their phone, unwittingly, on Discoverable. In any case, Discoverable should be disabled
On further research, I found that it's also advisable in Bluetooth Prefernces> Advanced to leave "Blutooth-PDA-Sync Modem" in "Serial ports that devices use to connect to this computer" unchecked (the default is checked, so uncheck it) and "Share my Internet connection with other Bluetooth devices" unchecked, as well.
"Open BT Setup Assistant at startup".... "Allow BT device to wake" and "Prompt for all incoming audio requests" should all be checked.
If your mouse is paired and made a Favorite, you should not drop the connection. Mine is now set up as above and I'm not having any issues staying connected.
Perhaps leaving "Open Bluetooth Setup Assistant...." checked, the default, presents a security risk. For the time being, I'm leaving it checked.
See (scroll up a bit to page 17 to see the beginning)
http://books.google.com/books?id=x3jWs7735WgC&pg=PA18&lpg=PA18&dq=uncheck+Blueto oth-PDA-Sync+modem+osx&source=bl&ots=JRvkm-rB17&sig=ITTmnKr3sKUWsR0Ge0RLW2kTw2Y& hl=en&ei=Z2dxTv_aH8Pb0QG-042OCg&sa=X&oi=book_result&ct=result&resnum=2&ved=0CB4Q 6AEwATgK#v=onepage&q&f=false
On a related note, in SysPrefs>Sharing, uncheck everything, if not needed.

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http://docs.info.apple.com/article.html?artnum=107585
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I'm new to Mac and not very savvy with networking, but this has me stumped. I just recently purchased a new MacBook (Jan 2010). I had no real issue connecting to my home network through my Linksys WRT54G Router, but it only ran at 54Mbit/s. I purchased a new Linksys WRT120N Router, and still only connect at 54Mbit/s!
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I spoke with Linksys Tech Support and they had me change from WPA to WPA 2. More info under About this Mac now reports:
PHY Mode: 802.11n
BSSID: 0:25:9c:5:73:61
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Where it was reporting PHY Mode 802.11g before, but still only shows a transmit rate of 59, over the transmit rate of 54 before.
Unfortunately, the Chat Session with Linksys was cut off before I could ask why, or how to fix it!
This is what my neighbor's router is reporting through More Info:
BelkinN_Wireless582902:
PHY Mode: 802.11n
BSSID: 0:22:75:58:29:2
Channel: 1,1
Network Type: Infrastructure
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I noticed his Channel listed as 1,1 as mine is 9. Would this indicate he could possibly have a dual channel router and thus the higher speed?
When I run the Network Utility, it reports a Link Speed of 72Mbit/s where that was 54Mbit/s before changing to WPA 2. Is 72Mbit/s the best I can hope for out of this router? Thanks again...

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I have a MacBook Pro that I have had from about 3 years now. It's been great but earlier this week, it wasn't able to connect to the internet here at my school (college). I didn't think too much of it because my schools internet is always spotty and goes down from time to time. Yet when I go on to my computer tonight nothing I do with my airport or computer will get my webpages to say anything other than "Server not found". I tried turning off my airport then back on and reselecting my network because usually that helps. It would say it connected and I would have full bars but still the same error message. I tried again, and when I did it this time, I did it from within the system/network preferences. When I did this, I watched the connection of my airport go red, then I would connect and it would go to yellow saying I had no IP address. I would then sit and wait and eventually it would fully connect giving me the green go-a-head. But, again when I would open up my internet, I would get the "Sever not found" message. I would then quit my firefox all together and tried again that way and still same massage. I restarted my computer and tried again...nothing. I became more concerned because my roommate could get on the internet just fine and I could use the wireless in my room through my phone. I was consered that now this was a matter with my computer and not just the internet, so to make sure I got out my ethernet cable and hooked it up with my connection in my room. This would work!
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My roommate brought up the possiblity that this problem is with some sort of chip in my computer that helps me connect wirelessly to the internet and that it has gone bad and needs to be replaced. It this so? or is there something else I need to be doing? (and I have been trying lots of thing) This is vital to me getting my work done because we are in the middle of the semester and I need my wireless!!
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thats... odd
thats a real world IP address. So that means you dont have an actual router doing NAT.
It's also very unsecure. I HIGHLY advise tweaking your home network very soon. Without alot more info theres not much that I can really advise though.
You said your roommate can get on the wireless fine - what IP address does he/she get?
Also, i think you said if you plug in with a physical wire it works as well - what IP address there?
Do you know if you have an actual router? Or is this simply a cable or dsl modem?

Can I connect a wireless printer to two wireless networks

I searched and couldn't find an answer to this exact situation. The answers to similar questions didn't seem to work.
Can we share a wireless printer over two wireless networks without adding hardware or changing the wiring or doing complicated software modifications?
Here is my set-up:
Cable Modem> Linksys Wireless Router “N” on the first floor > older AirPort Extreme “G” via ethernet cable on second floor > Laser Printer via USB Cable on the second floor, plus an AirPort Express to extend the area on the second floor. We have 2 MacBooks and 1 MacBookPro that connect to the internet via either of 2 wireless networks. Generally, for better connection, you choose “N” if you are on the first floor and “G” for the second floor.
Currently, if you want to print to the USB Printer, you just select it in the print dialog box. It does not matter if you are on Network “N” or Network “G.”
We just added a new wireless Printer that’s on the first floor. (No, I didn't read the directions, the printer screen said if there is a W?? button on your router, press it. I did and it automatically connected to the “N” network. It also has its own email address for printing without a computer, but that still doesn't solve this question.)
If you want to print to this printer, you must first change the computer’s AirPort setting to join the “N” network. If you don't, you still get the print dialog box, but eventually you will notice that nothing happens. The document just sits in the Printer’s queue.
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It used to be that if you wanted to wirelessly extend the range of a network, you'd have to set up a WDS. (WDS = Wireless Distribution System.) There was no "Extend a wireless network" option and no "Allow this network to be extended" checkbox—you'd have to fill out lots of WDS information yourself. It was sort of a pain.
Then, with the 802.11n AirPorts, Apple introduced the "Extend a wireless network" option, greatly simplifying the setup process. It accomplishes the same thing as a WDS, but it's easier to set up and has less overhead. However, it can only be used if every AirPort in the wireless network supports 802.11n.
Your Express may support 802.11n, but your Extreme is older and does not. So "Extend a wireless network" won't work for your network. That's why you got errors when you set the Express's "Wireless Mode" option to "Extend a wireless network." Instead, you'll have to do things the old-fashioned way* and configure the Extreme and the Express to be part of a WDS. Your network will still work as desired: the Express will rebroadcast the signal from the Extreme, and clients will connect to whichever station has the stronger signal. It's just that you'll be using the older WDS technology instead of the newer "Extend a wireless network" feature.
"Join a wireless network" is something different entirely. You'd use it if you wanted to connect to a network but not rebroadcast it. This could be useful when, for instance, your main router isn't an AirPort but you want to use AirTunes. In your case, however, this option wouldn't be very useful.
Look at [this thread|http://discussions.apple.com/thread.jspa?threadID=2588489] for more information.
*Actually, the old-fashioned way would be to use modems. Or to forget about the internet and send snail mail instead.

Bluetooth can't connect to wireless mouse

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