The "A" key on my macbook pro is not working Can I fix it myself?

The "A" key on my macbook pro will not work. How can I fix it?
-----Earnie---------

Don't use any cleaning spray. Wipe with a moist but not wet microfiber cloth.
1. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own"
2.Reset PRAM. http://support.apple.com/kb/PH4405

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TS1381 The 'V'key in my Macbook Pro does not work. I press it, nothing. How can I resolve this problem?

My Macbook Pro is relatively new but the 'V' key is not responsive at all and does not work. No, I have not spilt anything on it. I havent dropped it either. Any suggestions would be welcome. Thanks.

My Macbook Pro is relatively new
Then it should still be under warranty. Take it in for repair.

One of the key on my macbook pro is not working properly, can it be fixed by a cleaning spray or something. there is lot of dust in where I live and thought that might be the culprit. thanks Jason

one of the key on my macbook pro is not working properly, can it be fixed by a cleaning spray or something. there is lot of dust in where I live and thought that might be the culprit. thanks Jason

Don't use any cleaning spray. Wipe with a moist but not wet microfiber cloth.
1. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own"
2.Reset PRAM. http://support.apple.com/kb/PH4405

The display brightness on my macbook pro is not working

I just bought a macbook pro in June and the display brightness keys are not working, nor is there a scale I can find in the system preferences to adjust the lighting level across the screen. Why is that and how do I fix it?

Go to System Preferences>Displays. You can adjust brightness there. Also make sure that the "Use all F1, F2, etc. keys as function keys" are unchecked in the Keyboard preferences.

The headphone jack on my macbook pro is not working?

There is no red light coming from the jack. I tried resetting my SMC. I used headphones with an external mic and the mic works, but still no sound from the headphones. The computer recognizes when they are plugged in and will switch off the internal speakers. Any help would be greatly appreciated.

Hey, I'm sorry to hear about your problem, and to me it seems like there will be no cheap fix. As a sound technician i see this issue a lot in different areas. Usually it means either the headphone out port is damaged or the headphones are damaged, and if i was you, i'd pray for the later. If the computer recognizes the plug than it must be a connection somewhere else eliminating the ability to get the sound to the speakers.
Best Regards!
Mark

My charger for my MacBook Pro is not working

The charger cord for my MacBook Pro is not working. This happened before but I do not remember what the tech guy had me do. It was a simple fix....

If the SMC reset does not work check for contamination or stuck pins:
Troubleshooting MagSafe adapters
http://support.apple.com/kb/TS1713

The volume keys on my MacBook Pro stop working after using headphones.

The volume keys on my MacBook Pro recently stopped controling the volume after I've used headphones. I still have sound; I just can't make the volume increase or decrease. The mute, however, still works just fine. Because I have sound from the intenral speakers I know the computer doesn't think the headphones are still in the jack. A reboot fixes the problem, but as soon as I use headphones the problem starts up again. I want to fix this permanently.
I don't know if this helps but all the other keys (brightness, play/pause, etc) still work. I recently had to reset the PRAM because my computer refused to sleep when the lid was shut. I've checked system preferences and everything seems to be in order.
Can someone please help!?

I found this advice on another thread after encountering the same problem - I did the reboot and it worked fine and dandy!
I spoke with Applecare to fix my Macbook volume. Apparently there are pins inside the speaker/headphone jack that can get jammed. We fixed mine by doing some sort of reboot:
Turn off laptop.
Hold down the Option, Command, P, and R keys (all four at once, it's tricky!) and while holding down the four keys, turn on the computer. When you hear the second chime, release the four keys.
This re-set the sound toggle to internal speakers. Now I'm afraid to insert headphones again, but I assume this reboot will work over and over.

The sound on my macbook pro is not working

The sound on my macbook pro is not working. When I increase the sound, the icon appears as if everything is working, but no sound comes from the speakers. Earphones don't work either. I have tried a PRAM reset but at times, this doesn't even work. It's really frustrating having to restart my computer every time I want the sound to work, and even when I do that, theres a 50 50 chance of it working again. It generally happens after my laptop goes to sleep and I wake it up. Has anyone else had this problem and fixed it or even know what caused it?
There are a lot of discussions around the earphone jack but I have checked that. I've tried a PRAM reset which hasn't worked, and my sound output is set to Internal speakers.
HELP!!

Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Highlight Internal Speakers / Headphones
    Make sure Mute is not enabled.
2. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
3. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
4. Applications > Utilities > Audio MIDI Setup
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so, uncheck it.

Macbook pro is not working with Canon pixma iP1500, but has previously. The printer works with an old PC without trouble. "printer is offline" message when this printer is plugged into macbook. Any clues to get it to work?

Macbook pro is not working with Canon pixma iP1500 but has previously. Printer works with an old PC but macbook shows "printer is offline". Any clues?

Hello Betty7,
Please let me take a moment to say "Welcome" to the HP Forums.
I hope you enjoy your experience!
I see that you are having an issue with getting the printer reinstalled.
I suggest that we start off by running the HP Print and Scan Doctor. If the Doctor fails, please let me know where it fails as well as any error codes it may generate.
Thank you for your time.
Click the “Kudos Thumbs Up" at the bottom of this post to say “Thanks” for helping!
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
W a t e r b o y 71
I work on behalf of HP

The airport card on my macbook pro is not functioning. In the airport firmware folder it says that it opens with final cut express. Is this the problem and how do i solve it?

The airport card on my macbook pro is not functioning. In the airport firmware folder it says that it opens with final cut express. Is this the problem and how do i solve it?

Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Highlight Internal Speakers
    Make sure that Mute is not enabled.
2. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
3. Reset PRAM. http://support.apple.com/kb/PH4405
4. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
5. Applications > Utilities > Audio MIDI Setup
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so, uncheck it.
6. System Preferences > Sound> Sound Effects
    Play sound effects through:
   Select "Internal speakers" and then back to "Selected sound output device".

The sound on my Macbook Pro does not work.

The sound on my Macbook Pro does not work. When we press the volume buttons, the sound icon pops up, but the bar is full with a small "Does not work" circle below it, and nothing happens when I hit volume up or done. I went into system preferences, but there aren't any options there that I can see to change it.

"Unfortunately, it doesn't provide any help for a MacBook Pro, other than indicating to call Apple Support" (sic).
Au contraire. TS1574's title and affected products are thusly:
"Troubleshooting issues with no audio from built-in speakers on Macs
Products Affected Mac mini, MacBook, MacBook Pro, iMac"
As a result, the instructions of the article are relevant. To be sure, follow those steps, the last of which is to contact Apple.
So, by way of reminder, here are the steps to troubleshoot the audio on your MacBook Pro. There is no red light, so the port is likely fine. Headphones work, so clearly your sound card is fine.
1. Ensure an incorrect version of OS X is not installed. If one is, then reinstall or erase/install after backing up your data.
2. Remove any external audio devices from USB, firewire, etc.
3. Open Sys Prefs > Sound > Output
If Internal Speakers is listed, select it and test again.
If Digital Out is listed, confirm again that all external audio devices and cables have been removed.
If mute is selected, unselect it.
If the volume slider is low, raise the volume.
If the above simply doesn't fix it, the issue may be a corrupted plist. Apple Support might be able to help troubleshoot the issue further, per the last step of TS1574.
I hope it gets resolved for you. Good luck.

Using the Tilde key while rotating a line is not working?

I'm trying to make a tilde effect (not sure what it is called?) by holding down the tilde key (above the tab key on my Macbook Pro) while a straight line is selected, though nothing happens when I do this and try to drag the line in a circle to create the effect.
Anyone have any ideas of what I might be doing wrong?
Thanks.

Maybe you've figured this out by now, or gotten the answer elsewhere? The "tilde effect" only works as you are creating the shape, not on an existing shape you've selected.
Peter

IMessage (Macbook pro) suddenly not working!?

My imessage from my macbook pro is not working! When I send a message, it automatically displays a red exclamation point and the name of the person I am sending it to turns red. When I click on that it tells me that their number is not registered with imessage! I've sent imessages before (today even) and I don't know what happened. I think I may have messed with some preferences because I was trying to change security preferences, but maybe I accidentally clicked something I shouldn't have? I know it is me because I get the same error for every person I try to message. It works from my phone, though.

This could be a complicated problem to solve, as there are many possible causes for it. Test after taking each of the following steps that you haven't already tried. Back up all data before making any changes.
Before proceeding, test on another network, if possible. That could be a public Wi-Fi hotspot, if your computer is portable, or a cellular network if you have a mobile device that can share its Internet connection. If you find that iMessage works on the other network, the problem is in your network or at your ISP, not in your computer.
Step 1
Check the status of the service. If the service is down, wait tor it to come back up. There may be a localized outage, even if the status indicator is green.
Step 2
Sign out of iMessage on all your Apple devices. Log out and log back in. Try again to sign in.
Step 3
Restart your broadband device and your router, if different. You may have to skip this step if you don't control those devices.
Step 4
From the menu bar, select
 ▹ About This Mac
Below the "OS X" legend in the window that opens, the OS version appears. Click the version line twice to display the serial number. If the number is missing or invalid according to this web form, take the machine to an Apple Store or other authorized service center to have the problem corrected.
Step 5
Take the steps suggested in this support article. If you don't understand some of the steps or can't carry them out, ask for guidance.
Step 6
From the menu bar, select
 ▹ System Preferences ▹ Network
If the preference pane is locked, click the lock icon in the lower left corner and enter your password to unlock it. Then click the Advanced button and select the Proxies tab. If the box marked SOCKS Proxy is checked, uncheck it. You don’t need to change any other settings in the window. Click OK and then Apply. Test.
The result may be that you can't connect to the Internet at all. Revert the change if that happens, or if iMessage still doesn't work. Remember that you must Apply any changes you make in the preference pane before they take effect.
Step 7
Select from the menu bar
 ▹ System Preferences… ▹ Flash Player ▹ Storage
and click
Block all sites from storing information on this computer
Close the preference pane.
Step 8
Make sure you know the ID and password you use with iMessage. Launch the Keychain Access application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Keychain Access in the icon grid.
Use the search box in the toolbar of the Keychain Access window to find and delete all items with "iMessage" in the name. Log out and log back in.
Step 9
Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
If iMessage worked in the guest account, stop here and post your results.
Step 10
Boot in safe mode and log in. Note: If FileVault is enabled on some models, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including Wi-Fi on certain iMacs. The next normal boot may also be somewhat slow.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. After testing, reboot as usual (i.e., not in safe mode) and test again.
If iMessage worked in safe mode, but didn't work when you booted out of safe mode, stop here and post your results.
Step 11
Reset the NVRAM.
Step 12
Reinstall OS X.
Step 13
If none of the above steps resolves the issue, make a "Genius" appointment at an Apple Store, or contact Apple Support.

Disk burning device of my macbook pro does not work

hi
the disk burning device of my macbook pro does not work from last night!!
it don't eject and don't pick CD!!! it is off!!!!!
in my macbook pro info see this messege:No disc burning device was found. If the device is external, make sure it’s connected and turned on.
I reset my System management Controller:http://support.apple.com/kb/HT3964 But it don't right!!!!
and i can not go to a apple support!!!! i'm in dubai!!!!! is here an apple support???
it don't have any other way to solve this problem???????

Try doing a Parameter RAM reset - hold down command/option/p/r keys at start up and wait for three chimes before releasing the keys.
If the hardware has filed there's nothing anyone here can do to help you ...

Macbook pro sound not working

It seems that the sound on my macbook pro does not work when watching videos such as those on youtube. Please help.

Here is YouTube's help page if you have no sound on YouTube videos:
http://support.google.com/youtube/bin/answer.py?hl=en&answer=58132
Try re-installing Flash player. I'm assuming at this stage that all your other audio works fine, e.g. CDs, DVDs, system sounds, etc...

The "A" key on my macbook pro is not working Can I fix it myself?

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