My macbook pro keyboard has stopped working overnight. The DEL button, along with O and P are acting strange. The DEL button is adjusting screen brightness and the O isnt working at all. Is this hardware related? or a software issue?

The left side of the keyboard seems to be working fine but the DEL button and other buttons are doing strange commands. The DEL button is adjusting the brightness and other F commands.
The O is not working at all. Some other letters are coming up with other characters.

Try a different keyboard with your computer if possible. If it woks well, it's a hardware problem.
http://support.apple.com/kb/TS1381?viewlocale=en_US

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Hey Guys,
I figured it out. By searching some other cursor/mousepad thread: I had to do a PRAM reset. Now it's working!
http://support.apple.com/kb/HT1379?viewlocale=en_US&locale=en_US

My Apple Bluetooth keyboard has stopped working. The top row of keys works but the rest of the keys do not. I was carrying this in my computer bag without turning it off and that is when this started.

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Hi,
I have a less than 6 month old fully loaded iMac 3.4 ghz i7. Overnight my USB (alphanumeric keyboard has stopped working. Had to dig out a wireless keyboard from another mac to login. The tried unplugging and moving the USB. ( All USB ports works and are powered up with other devices ) No change. Tried full system reset with power cord removed for 5 minutes, no change. Tried it all twice, no cahnge.
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https://discussions.apple.com/docs/DOC-3603

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Hardware Information: ?
MacBook Pro (13-inch, Early 2011) (Verified)
MacBook Pro - model: MacBookPro8,1
1 2.3 GHz Intel Core i5 CPU: 2 cores
4 GB RAM
Video Information: ?
Intel HD Graphics 3000 - VRAM: 384 MB
Color LCD 1280 x 800
System Software: ?
OS X 10.9.4 (13E28) - Uptime: 0 days 0:4:29
Disk Information: ?
Hitachi HTS545032B9A302 disk0 : (320.07 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted>: 209.7 MB
Macintosh HD (disk0s2) / [Startup]: 319.21 GB (147 GB free)
Recovery HD (disk0s3) <not mounted>: 650 MB
MATSHITADVD-R   UJ-898
USB Information: ?
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ?
Apple Inc. thunderbolt_bus
Gatekeeper: ?
Mac App Store and identified developers
Kernel Extensions: ?
[not loaded] com.seagate.driver.PowSecDriverCore (5.2.4 - SDK 10.4) Support
[not loaded] com.seagate.driver.PowSecLeafDriver_10_4 (5.2.4 - SDK 10.4) Support
[not loaded] com.seagate.driver.PowSecLeafDriver_10_5 (5.2.4 - SDK 10.5) Support
[not loaded] com.seagate.driver.SeagateDriveIcons (5.2.4 - SDK 10.4) Support
[loaded] com.sophos.kext.sav (9.1.55 - SDK 10.7) Support
[loaded] com.sophos.nke.swi (9.1.50 - SDK 10.8) Support
Launch Daemons: ?
[loaded] com.adobe.fpsaud.plist Support
[loaded] com.microsoft.office.licensing.helper.plist Support
[running] com.sophos.autoupdate.plist Support
[running] com.sophos.configuration.plist Support
[running] com.sophos.intercheck.plist Support
[running] com.sophos.notification.plist Support
[running] com.sophos.scan.plist Support
[running] com.sophos.sxld.plist Support
[running] com.sophos.webd.plist Support
[running] com.trusteer.rooks.rooksd.plist Support
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[loaded] com.divx.dms.agent.plist Support
[loaded] com.divx.update.agent.plist Support
[running] com.sophos.uiserver.plist Support
[running] com.trusteer.rapport.rapportd.plist Support
User Launch Agents: ?
[loaded] com.adobe.ARM.[...].plist Support
[running] com.amazon.music.plist Support
[loaded] com.google.keystone.agent.plist Support
[not loaded] jp.co.canon.Inkjet_Extended_Survey_Agent.plist Support
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iTunesHelper
TomTomHOMERunner
AdobeResourceSynchronizer
Dropbox
Internet Plug-ins: ?
FlashPlayer-10.6: Version: 15.0.0.152 - SDK 10.6 Support
DivX Web Player: Version: 3.2.1.977 - SDK 10.6 Support
AdobePDFViewerNPAPI: Version: 11.0.09 - SDK 10.6 Support
AdobePDFViewer: Version: 11.0.09 - SDK 10.6 Support
Flash Player: Version: 15.0.0.152 - SDK 10.6 Support
EPPEX Plugin: Version: 10.0 Support
Default Browser: Version: 537 - SDK 10.9
OVSHelper: Version: 1.1 Support
QuickTime Plugin: Version: 7.7.3
SharePointBrowserPlugin: Version: 14.4.4 - SDK 10.6 Support
iPhotoPhotocast: Version: 7.0 - SDK 10.7
Safari Extensions: ?
Ultimate
Audio Plug-ins: ?
BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
AirPlay: Version: 2.0 - SDK 10.9
AppleAVBAudio: Version: 203.2 - SDK 10.9
iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins: ?
Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes: ?
Flash Player Support
Perian Support
Trusteer Endpoint Protection Support
Time Machine: ?
Skip System Files: NO
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 297.29 GB Disk used: 160.38 GB
Destinations:
Data [Network] (Last used)
Total size: 2 TB
Total number of backups: 99
Oldest backup: 2012-04-20 17:05:32 +0000
Last backup: 2014-09-18 23:49:25 +0000
Size of backup disk: Excellent
Backup size 2 TB > (Disk size 297.29 GB X 3)
Time Machine details may not be accurate.
All volumes being backed up may not be listed.
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      5% iCalExternalSync
      3% WindowServer
      2% CalendarAgent
      2% SystemUIServer
Top Processes by Memory: ?
152 MB SophosScanD
147 MB InterCheck
106 MB SophosAntiVirus
66 MB Dropbox
57 MB com.apple.iTunesLibraryService
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161 MB Free RAM
1.55 GB Active RAM
1.41 GB Inactive RAM
902 MB Wired RAM
611 MB Page-ins
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Put it in a cheap enclosure
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Boot up new computer.
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Message was edited by: Mike Boreham...added sec on line

The "enter" key on the numeric keypad of my external mac keyboard has stopped working. Help!

The "enter" key on the numeric keypad of my external mac keyboard has stopped working with my Macbook pro. If I plug the keyboard into any other computer, that entier key works fine. I'm using a standard Mac wired keyboard, & it's worked fine for 2 years now. Help!
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Not sure what I might have accidentily done to disable the enter key. (The normal enter key works fine, just the one on the numeric keypad.)
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Hi there,
Do you have any resolution to this problem in the end? Because it happened to me an exact same thing.
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Best Regards,
Jeffri

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https://imagizer.imageshack.us/v2/1050x591q90/903/Estd0f.png
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https://imagizer.imageshack.us/v2/1050x591q90/745/gMqGvq.png
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any help would be appreciated.
Thank you.

No one cared enough to answer.

My macbook pro keyboard has stopped working overnight. The DEL button, along with O and P are acting strange. The DEL button is adjusting screen brightness and the O isnt working at all. Is this hardware related? or a software issue?

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