Caps lock, delete and tab key are not working on my Apple wireless keyboard

I see that a lot of users have had this same issue. I have tried all the "tricks" suggested, but keys are still not functioning.

Try a smc reset
http://support.apple.com/kb/HT3964
Try a pram reset: power off, power back on holding the keys: option, command, P ,R (no commas) press them before the start chime, and hold them till you hear the start chime 32 times, then release and reboot.
If still no joy try a safe boot, power off, power back on holding the shift key. Continue to hold the shift key till you see the progress bar, let it finish booting, and see if t works.
The code thing is wierd.
If none of these help your issue, bring it to an APPLE store or a AASP and have it checked out it have a bad top, or logic board/HD.
ATB

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hello,
my laptop is HP 450 and windows 7.it is one years old. i haven't spilled anyting on it or damaed it in anyway i can think of.
suddenly the "backspace" , "g" and " h " keys are not working.
please help me, because i have to complete my university assignment as soon as possible.
tank you,
shehara

Hi,
While this could be a hardware issue, it's always worth trying the following.
Open windows Control Panel, open Device Manager, expand Keyboards, right click the entry 'Standard PS/2 Keyboard' and select Uninstall.
Shutdown the notebook.
Then unplug the AC Adapter and then remove the battery. Hold down the Power button for 30 seconds. Re-insert the battery and plug in the AC Adapter.
Tap away at the esc key as you start the notebook to launch the Start-up Menu and then select f10 to enter the bios menu. Press f9 to load the defaults ( this is sometimes f5, but the menu at the bottom will show the correct key ), use the arrow keys to select 'Yes' and hit enter. Press f10 to save the setting and again use the arrow keys to select 'Yes' and hit enter.
Regards,
DP-K
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Apple AL Bluetooth Keyboard - Tab, Caps Lock, Function and Control keys just stopped working

Hi All -
All of a sudden I get on my baby, 27" iMac OSX 10.6 and the some keys on the bluetooth keyboard do not work. Specifially the Tab, Caps Lock, Function and Control keys. I'm fine with the caps lock gone (why is it there?) but the others are useful.
I've searched all over for a solution but I haven't found one. Tried to upgrade the firmware which is fine, reset the PRAM done, checked the speech per apple support nadda.
Please help.
Thanks
-M

Hi
Go to System preferances > Universal Access > Mouse or Mousie and trackpad > and turn your Mouse keys off.
Then disconnect and reconnect your keyboard.
Note that you don't open your mouse under hardware in System Preferances, this is for a whole different group of settings
Hope This helps

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I have tried turning the laptop off and on, hoping (naively) that this would fix, but to no avail.

As Tom already wrote, it is not easy to say for sure if this malfunction is result of defective keyboard or maybe keyboard controller. In my opinion troublemaker is the keyboard itself.
Have you maybe updated BIOS or done anything that could be responsible for this?
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Sounds like a cracked trace on the keyboard PWB. Best to just replace the keyboard. You might get more information at this link:
http://www.powerbookmedic.com/Powerbook-Keyboard---G4-Aluminum-p-16506.html
Replacement can be a bit involved:
http://www.ifixit.com/Guide/Installing-PowerBook-G4-Aluminum-15-Inch-1-1-5-GHz-K eyboard/223/1
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How did you try to use Acitivty Monitor?
Open Activity Monitor, choose "All processes" from the list, and sort processes by CPU usage. More likely than not, there will be task using up good bit of CPU.
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Can any one help - my slash keys, arrow keys, z and question marks have stopped working.
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Sounds like a keyboard malfunction.
Can you use the external USB keyboard properly?
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Hello Folks,
Got my super new 20" duo and i a having exactly the same problems. Volume keys don't work randomly, mouse stops responding and eject works most of the time but I have had problems.
Tried different usb port getting the same.
Will try another k'board and see if that makes a difference.
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Numbers one, two, three, four, eight, nine, zero, left, down, and right arrow keys constantly stop and start working. This also happens in the BIOS. I have to remove the keyboard, the hdd, and do a reboot to get them working.
Device:
Dell Inspiron 1121
Intel Core i3 330UM Processor 1.2GHz
2GB DDR3 RAM
250GB HDD
>uname -a
3.12.4-1-ARCH #1 SMP PREEMPT Sun Dec 8 21:18:00 CET 2013 x86_64 GNU/Linux
>df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 19G 8.9G 8.8G 51% /
dev 933M 0 933M 0% /dev
run 935M 748K 935M 1% /run
tmpfs 935M 2.2M 933M 1% /dev/shm
tmpfs 935M 0 935M 0% /sys/fs/cgroup
tmpfs 935M 36K 935M 1% /tmp
/dev/sda4 114G 47G 61G 44% /home
>pacman -Q | grep xf86-input
56xf86-input-evdev 2.8.2-1
xf86-input-joystick 1.6.2-2
xf86-input-keyboard 1.8.0-1
xf86-input-mouse 1.9.0-1
xf86-input-synaptics 1.7.2-1
xf86-input-vmmouse 13.0.0-2
xf86-input-void 1.4.0-5
>lspci
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 05)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05)
01:00.0 Ethernet controller: Qualcomm Atheros AR8132 Fast Ethernet (rev c0)
02:00.0 Network controller: Intel Corporation Centrino Advanced-N + WiMAX 6250 [Kilmer Peak] (rev 5e)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
Is this a hardware problem?
Last edited by jjshinobi (2014-01-15 02:08:51)

jjshinobi wrote: This also happens in the BIOS.
Then I wouldn't think it's to do with the Arch, updating does not stop parts of the keyboard working for the bios as it's separate firmware. When you can access the bios after first turning on, your PC has not yet accessed the hard drive to load the drivers for the operating system yet. Also as far as I'm aware Arch (or any other operating system in fact) has never updated the bios firmware.
Last edited by Kartious (2013-12-17 14:04:18)

Hello, I have an Apple wireless keyboard linked to an Ipad Air. The M J U and 7 keys are not working, Is there a solution, Thanks

Hi, Has anyone else encountered this problem. I see mucg discussion of this problem with MacBooks, but none relating to use with an IPad.
Thanks

I am having this problem as well. I hate to just wait and hope Apple will fix the problem, but I'm not sure what else can be done. We can't be the only people experienceing this, can we?

Some keys are not working in My HP laptop keyboard.

I have hp pavilion g4 1201tx laptop. Suddenly its few keys stop working. Please help.

If you could provide a brief description of the issue, it will be easy to provide a solution.
Let us know for more!
"I work for HP."
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Please mark Accept As Solution if it solves your problem
Regards
Sreenag

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http://kb.mozillazine.org/Accessibility.browsewithcaret

Caps lock, delete and tab key are not working on my Apple wireless keyboard

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