My iMac doesn't recognize by usb keyboard since I installed security update 2015-002

I installed Security Update 2015-002 on my iMac and since then it doesn't recognize my usb keyboard (I'm typing this with a bluetooth keyboard). I rebooted, unplugged and plugged back in the keyboard all to no avail.
My system:
Yosemite 10.10.2
Mid 2011 iMac 27"
3.4 GHz i7
16 GB RAM
Keyboard: Apple extended USB
Any help would be greatly appreciated.

Mine works okay.
Do a backup, using either Time Machine or a cloning program, to ensure files/data can be recovered. Two backups are better than one.
Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.
Isolating an issue by using another user account
Try booting into the Safe Mode using your normal account. Disconnect all peripherals except those needed for the test. Shut down the computer and then power it back up after waiting 10 seconds. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear and again when you log in. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. When you reboot normally, the initial reboot may be slower than normal. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart by using the application un-installer. For each disable/delete, you will need to restart if you don’t do them all at once.
Safe Mode - About
Safe Mode - Yosemite

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Keyboard, keypad glitch after Security Update 2015-002

The overview is: keyboard problems developed shortly after Security Update-002 on Mavericks 10.9.5. I tried OS update to Yosemite; didn’t fix the problem. Reverted OS back to 10.9.5 using Time Machine for a backup date prior to the Sec Update; this fixed the problem.
Mac mini5,2, 16gbram, wired Apple Pro Keyboard (M7803, circa Mac Cube), Apple Wireless Keyboard, LMP Wireless Numeric Keypad, Apple Magic Mouse (A1296?) iPad 2
Within the past 2 days, Apple BT keyboard alpha keys stopped typing. During troubleshooting, I discovered that problems extended to BT keyboard, BT keypad, and wired spare USB extended keyboard. The BT keyboard pairs and works fine with my iPad. Here’s a list of the glitches:
Apple Wireless keyboard:
alpha keys NO INPUT
space key NO INPUT
Delete key works
Force-Quit sequence works
fn, cntrl, opt, Apple, arrow keys, shift all work
top row keys work
LMP Bluetooth keypad:
keypad: 1..4, 6..9 NO INPUT
keypad "5" registers a mouse click, NO INPUT
keypad "0" jumps to mouse cursor first press only, NO INPUT
=/*-+ and arrows work
Apple Pro USB extended keyboard:
num keys: 1..4, 6..9 NO INPUT
keypad "5" registers a mouse click, NO INPUT
keypad "0" jumps to mouse cursor first press only, NO INPUT
alpha keys and number row keys work
keypad =/*-+ and arrows work
Besides proving the wireless keyboard works on my iPad, I reset PRAM with no improvement. (I had no problems with my Bluetooth Magic Mouse.)
Next step was OS upgrade via Software Update to Yosemite. All above glitches remained.
Next, I reverted to Mavericks 10.9.5 using a Time Machine OS backup dated prior to 9Mar15, the date of Security Update 2015-002. After this, both keyboards and keypad resumed working. Seems clear that the Security Update is the culprit, no?
I reported the issue to Apple via Support Chat.
I would like to eventually upgrade back to the Security Update and Yosemite but not when it breaks my keyboard. Perhaps I could skip over the Sec. Update and go to Yosemite? Any suggestions?

Update:
The day after I reverted to 10.9 to repair keyboard glitches caused by Security Update 2015-002 (and persistent in Yosemite), Apple released Security Update 2015-004. Such a quick succession of -004 on top of both -002 and -003 was the hint to me that -004 contained fixes to the glitches.
I crossed my fingers and jumped back on the install-wagon. Yosemite 10.3 completed its second installation and my keyboards/keypads remain functional!

I am unable to open Calendar on my iMac - this occurred after installing Security Update 2015-002. I don't know if related. A message pops up after several minutes saying Calendar quit unexpectedly (but it never really opens). How do get Calendar b

I am unable to open Calendar on my iMac - this occurred after installing Security Update 2015-002. I don't know if related. A message pops up after several minutes saying Calendar quit unexpectedly (but it never really opens). How do get Calendar back?

Hi Magsrobby,
Welcome to the forum and thanks for posting. I'm really sorry to hear you've had so many problems. I can look into this for you if you wish. Drop me an email with the details. You'll find the "contact us" form in the about me section of my profile. Once I have the details we'll take it from there.
Cheers
David
BTCare Community Mod
If we have asked you to email us with your details, please make sure you are logged in to the forum, otherwise you will not be able to see our ‘Contact Us’ link within our profiles.
We are sorry but we are unable to deal with service/account queries via the private message(PM) function so please don't PM your account info, we need to deal with this via our email account :-)

I just opened my new Mac Pro and I have a USB keyboard, not a bluetooth -- it doesn't recognize the USB keyboard and I can't get past the "bluetooth keyboard pairing" screen.

I just opened my new Mac Pro and I have a USB keyboard, not a bluetooth -- it doesn't recognize the USB keyboard and I can't get past the "bluetooth keyboard pairing" screen.

What specific KB?
Do you know it works?
I set my 2103 nMP with an older (black) Apple USB KB and it worked fine

My new 24in imac doesn't recognize my usb external hard drive- snow leopard

i was attempting to do a new time machine back up on my new mac but it won't recognize the usb external hard drive (kaser 250gb). i used it frequently on my old g5 imac, no problems. i plugged the hard drive into my g4 ibook and it recognized it right away. i followed the apple tip of pulling the power plug out of the wall power socket and pulled all the usb cables out as well (i have the wireless keyboard). i let it rest for over 5 minutes and only plugged in my wacom stylus and usb external hard drive. still nothing. and it doesn't show either in disk utility. i also downloaded as per another thread the 3g ntfs system preference but to no avail. the only thing i can of doing is erase and reformat my external on my ibook, but i don't want to risk loosing the data without a back up.
anything else i can try? (before i buy time capsule) thanks

i just checked again by plugging the external into my ibook g4 and checked how it was formatted - mac os extended (journaled).
Then the 3GFS software is not required at all.
i have an idea, not sure if it will work and it will have to wait a couple days until i get my firewire back from a friend, but this is what i'm thinking: my intel imac has a 1tb hard drive. could i use target mode between my imac and ibook? with my ibook i'd attach the external hard drive, then using the firewire and target mode start it up. hoping that the ibook hard drive and the attached external hard drive would show on my intel mac for which i could copy over the external back ups onto my imac. once completed, i could erase and reformat the external on my ibook and then try again on my imac to see if it appears on my desktop. do you think this might work (even though it is correctly formatted already?)
I use Target mode on a regular basis for mounting the internal drive on a Mac to transfer or salvage data. I don't know if you will be able to connect to an external drive on the Target computer. There's not usually any reason for this and I don't know if the Target Mode will enable the Logic board to deal with the USB ports and transfer data. I kinda doubt it, but other more experienced users can jump in here.
I don't think the problem with your external drive is the format, since you've already checked it and it is already formatted for a Mac. Intel Mac's will mount drives formatted by a PPC Mac with no problems, unless your OS doesn't support the chipset in the USB case that connects to the drive. There are some USB drives that are known to not work well with SL but worked fine with Leopard.
You can buy a cheap USB case (about $30) and move the drive from the old case to the new case, or buy a USB to IDE adaptor cable (about $20), or you can buy a larger external drive that will work on the iMac and use the G4 to transfer the date from the old drive to a new one. Or you can take both drives to a friend with a Mac and use Disk Utility to restore the USB drive to a partition on the Firewire drive. That doesn't fix the USB drive to work with your new Mac, but unless the vendor comes out with a firmware fix, I think that's a lost cause anyway.
other than the above, i may just go buy a 1tb time capsule,
I would not be getting a Time Capsule to back up a single computer. Wireless backups are a lot slower than FireWire or USB (of course, it's the initial backup that takes so much time). If you do have several Mac's that need a TM backup volume, then the Capsule can help you out. It is supported by Apple (and there are a lot of users here in the forums). I'm using a ReadyNAS device for network backups, but it is not supported by Apple, and I have to rely on NetGear for fixes if an OS update breaks my backup system.
BTW, it's a good chance that a TC device will be able to see and mount your USB drive. The incompatible chipset problem with some drives seems to be limited to the USB drivers in SL which the TC is not running. That's why I said that a USB hub may also let you see your drive, the problem is there's no guarantee's...

Anyone knows what do do when iMac doesn't recognize any USB or Bluetooth?

Hello,
if anyone can help, please. my iMac does not recognize anything I plug into the USB ports in the back. I can't use any keyboard or mouse or track pad. It does not recognize any bluetooth such as magic mouse, wireless keyboard or track pad. When I plug in an older keyboard or mouse it does not see it at all either. don't know what to do. Can't do anything on the computer, which otherwise seems to be working fine, except everything I was using is frozen on the desktop. any advise?

Zap the PRAM and Reset the SMC, then try again.

Security update 2015-004 1.0 doesn't install

Hello, I'm running Mavericks on an iMac and my issue at the moment is that the security update 2015-004 1.0 doesn't install.
My app store says I have 1 update to install but if you click on update for security update 2015-004 1.0 it tells you to restart the computer. I do that but it doesn't install the update.
Caught in an endless loop over this update.
Any thoughts, feelings or expressions greatly appreciated.

Sure you have the right version? This is the one for Mavericks: Security Update 2015-002 for OS X 10.9 Mavericks.

Ethernet Adapter no working after Security Update 2015-00Sec2 for OS X 10.10.2 on iMac 27in, Late 2009

After applying Security Update 2015-002 on my iMac (27-inch, Late 2009) [Processor: 2.66 GHz Intel Core i5, Memory: 12GB],
I no longer can connect to my home network using the Ethernet adapter. Wifi works.
I have checked the ethernet cable and it seems just fine.
I have tried deleted all the Wi-Fi and Ethernet entries; clicked Apply and then shutdown the iMac. Then I restarted the iMac and added the Ethernet with same results shown above. Then I added the Wi-Fi and it came right up.
I am going to try and reset the System Management Controller next. Failing that I may just roll back using Time Machine to just before I applied the Security Update.
I have read a lot of post with respect to Wi-Fi issues but one a handful that were close to mine.
Any assistance would be greatly appreciated.
Thanks,
-Alex

Start with:
Repair the Hard Drive and Permissions - Yosemite, Mavericks, Mountain Lion or Lion
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility and press the Continue button. After Disk Utility loads select the Macintosh HD entry from the the left side list. Click on the First Aid tab, then click on the Repair Disk button. If Disk Utility reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit Disk Utility and return to the main menu. Select Restart from the Apple menu.
If no joy, then Resetting your Mac's PRAM and NVRAM and Intel-based Macs: Resetting the System Management Controller (SMC).
Still no joy try reinstalling the security update.
Still no joy reinstall Yosemite:
Reinstalling OS X Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Reinstalling OS X Without Erasing the Drive
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility and press the Continue button. After Disk Utility loads select the Macintosh HD entry from the the left side list. Click on the First Aid tab, then click on the Repair Disk button. If Disk Utility reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit Disk Utility and return to the main menu.
Reinstall OS X: Select Reinstall OS X and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
Also see:
Reinstall OS X Without Erasing the Drive
Choose the version you have installed now:
OS X Yosemite- Reinstall OS X
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it isthree times faster than wireless.

New imac doesn't recognize firewire 400

Just got the new imac and transferred all data from my old (non-intel) imac using a firewire 400-to-800 adapter.
Now, my new imac doesn't recognize my external (400 firewire) drives anymore. One of the drives has an USB which works with the new mac but transfers are very vey slow. The other drive has only firewire 400 and doesn't get recognized at all.
Any solutions?
Thanks.

Adapters can be troublesome, I'd recommend replacing with a Firewire 400 to 800 cable like this one. You can normally find these at your local computer store, Radio Shack or of course Amazon.
Roger

Can't burn data to a CD because iMac doesn't recognize CD has been inserted. Also, can't eject. What to do?

Can't burn data to a CD because iMac doesn't recognize that a CD has been inserted. Also, it won't let me eject the disk. How do I get my iMac to let me burn the data to the CD and eject the disk?
Finder currently has 2 "Untitled CD"s listed in it. One has been in there for months (without a CD inserted into the machine). I have tried several times unsuccessfully to remove the item from finder.

Please reset the SMC and PRAM 2-3 times each using the instructions in https://discussions.apple.com/docs/DOC-3603. Then attempt to eject. If that fails please use one of Kappy's ideas:
Five ways to eject a stuck CD or DVD from the optical drive
Ejecting the stuck disc can usually be done in one of the following ways:
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2. Press the Eject button on your keyboard.
3. Click on the Eject button in the menubar.
4. Press COMMAND-E.
5. If none of the above work try this: Open the Terminal application in your Utilities folder. At the prompt enter or paste the following:
/usr/bin/drutil eject
If this fails then try this:
Boot the computer into Single-user Mode. At the prompt enter the same command as used above. To restart the computer enter "reboot" at the prompt without quotes.

The iMac doesn't recognize my external hard disk

My iMac doesn't recognize my external hard disk. The iMac also keeps a DVD inside. It doen't throw it out despite "eject".

Sounds like you might need to make that call. In the meantime here are a few of things you could try that may help:
To eject the disk try a restart holding down the mouse button - hopefully it'll eject.
If you are running either Mountain Lion (10.8) or Lion (10.7) try booting into the Recovery HD:
Restart holding down Command+r. At the screen with 4 choices choose Disk Utility and then select Macintosh HD and click on repair disk. If it fixes anything click on repair disk again until you get a clean pass. Restart as normal from the Apple menu.
If you are running an earlier OS you would normally carry out this process by putting the grey restore disk that came with your Mac in the Disk drive and restarting holding down the C key. Choose your language and at the next screen from the menu bar select Utilities>Disk Utility and then follow the above instructions (I realise you won't be able to do this if you have a disk stuck in the optical disk drive).
Try an SMC and PRAM reset: https://discussions.apple.com/docs/DOC-3603
Try a Safe Boot: Restart holding down the shift key until you see a grey progress bar. Once it's booted restart as normal from the Apple menu.
If none of this helps, I guess you need to make that call. Good luck.

I changed batteries in my Apple track pad and now my iMac won't recognize the UBS keyboard

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My computer won't recognize my usb keyboard when I turn it on. It keeps searching for a wireless keyboard. How can I get it to recognize my usb keyboard?

Why won't my computer recognize my usb keyboard when I turn it on? It keeps trying to find a wireless keyboard.

Hi there kmacmomma,
I would recommend taking a look at the troubleshooting steps found in the article below.
USB and FireWire Quick Assist
http://support.apple.com/kb/HT1151
-Griff W.

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I use Yosemite platform. Any help needed as soon as possible.

So, it looks like Media Encoder is stuck in a trial version? The only formats available are indeed .f4v, .flv, .mp3 & h.264. Is a reinstall of Media Encoder the fix?

My imac doesn't recognize my backup drive anymore,what can i do?

My Imac doesn't recognize my backup drive anymore,what can i do?

Unfortunately, that usually means the drive has died although it doesn't mean some other hardware failure or even software failure (in some cases.)
I think the wise thing to do is take it in for service.

My iMac doesn't recognize by usb keyboard since I installed security update 2015-002

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