HT201413 Device does not work when I connect it to your computer to the iTunes program update requests and then gives me an error No. 21

Device does not work when I connect it to your computer to the iTunes program update requests and then gives me an error No. 21

Device does not work when I connect it to my computer to the iTunes program update requests and then gives me an error No. 21

Similar Messages

  • Hi guys i have an macbook 13 late 2007 and does not work when i start it up all u can see is blank white screen and after that its keep bepping high peech tone 3 times i was thinking the hard drive but im not too sure please guys help.

    Hi guys i have an macbook 13 late 2007 and does not work when i start it up all u can see is blank white screen and after that its keep bepping high peech tone 3 times i was thinking the hard drive but im not too sure please guys help.

    Try to reset the PRAM first then go from there.
    http://support.apple.com/kb/HT1379

  • The volume in the car does not work when i play music through me iphone but the volume works fine for the cd or radio

    When I use my iphone to play music in the car it does not work but the volume suing the cd or radio is fine

    Hello Vdayal,
    Thank you for the details of the issue you are experiencing with the microphone on your iPhone after upgrading to iOS 7.  I recommend following the steps in the article below for an issue like this.  Step 4 suggests restarting your iPhone, but if you click on the link, it offers the steps to reset your iPhone as well. 
    iPhone: Microphone issues
    http://support.apple.com/kb/ts5183
    Thank you for using Apple Support Communities.
    Best,
    Sheila M.

  • My device is not recognised when I connect it to my computer with a USB

    My ancient 4gb ipod nano (2nd gen) is no longer recognised when I connect it to my laptop with a USB.  I have used troubleshooting from the apple support pages to no avail.
    My ipod charges via USB when it's connected to my laptop but no data seems to be being transferred.
    I would really appreciate any help on this matter.

    Hey there Sazzle15,
    If your iPod is still not being seen by your computer when you plug it in with the USB cable, I would recommend the troublehsooting information in the following article, without knowing precisely what troubleshooting steps you had performed. Start at the "Check USB connection" section and work your way down as needed:
    Apple - Support - iPod nano - iTunes Troubleshooting Assistant
    Thank you for using Apple Support Communities.
    All the very best,
    Sterling

  • Video does not work when I connect my Macbook to a TV using a thunderbolt to HDMI converter. Audio works fine.

    I've been trying to connect my macbook to an Insignia TV. The macbook recognizes the TV is connected and changes the display ratio accordingly, but it does so in a jittery way before landing on 1080i after some time.
    The audio works fine on the TV from the mac, but it's not picking up any video. When I go to System Preferences>Displays, I get two windows: one for the built-in display, one for the TV. I think this is why I'm not getting any video, but I don't know how to make it just so that the display is for the TV. The displays are mirrored, but I'm still not getting anything. Please help!

    Go into System Preferences, then Displays. There should be an option to click on the tv mirroring. Click it and see if it connects to the TV.

  • Lenovo S8-50LC Wlan(WiFi) Does not work when use Sim Cart(3G)

    Hi
    Tablet Lenovo S8-50LC
    Wlan(WiFi) Does not work when use Sim Cart(3G).
    What is the solution for this problem?
    Build Number : TABS8-50LC_S000200_150121_ROW
    SoftWarw Version : TABS8-50LC_150121

    Right, but if you have the SIM in the tablet and you put the tablet in airplane mode, does wifi work then? If so, it may be a bad SIM. Do you have another SIM you can try?

  • I have downloaded and installed Lion. iTunes does not launch when I connect it to my mac.

    Hi.... i have downloaded and installed Lion. iTunes does not launch when I connect it to my mac. The correct box is ticked in 'Summary'. Any ideas? Thx. The same thing happens with my ipad.

    Hi there Bry,
    If you want to be able with out it syncing automatically, you can disable the automatic syncing feature following the instructions in the article below.
    iTunes 11 for Mac: Require a prompt before automatic syncing
    http://support.apple.com/kb/PH12120
    Hope that helps,
    Griff W.

  • I baught Seagate Backup plus 2T hard drive to use as my Backup time machine. But its not working when i connect to time machine its not coping files, it keep saying preparing files. Can someone help me please...

    i baught Seagate Backup plus 2T hard drive to use as my Backup time machine. But its not working. when i connect to time machine its not coping files, it keep saying preparing files. Can someone help me please...

    Please read this whole message before doing anything.
    This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
    The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
    Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
    Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Ask for further instructions.
    Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
    The login screen appears even if you usually login 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. Same problem?
    After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

  • The remote does not work, when i turn the tv on I see the apple tv and the itune icon on the screen

    the remote on apple tv does not work,when i turn on the tv Isee the appletv and the itune icon on the screen.

    Did you do a software update?
    AppleTV is unable to start properly.  You need to connect to a computer running iTunes as detailed here:
    Apple TV (2nd and 3rd generation): Restoring your Apple TV

  • My external hard disk ( TRANSCEND ) is not working when i connect to usb..before it was working..

    my external hard disk ( TRANSCEND ) is not working when i connect to usb..before it was working.

    1.  These are the iphone forums.  So what does your question have to do with iPhones?
    2.  Contact Transcend for support.

  • Youtube does not work when i am using wifi on iphone 4

    the youtube does not work when i use wifi. it works perfectly when i use 3 g network ..

    At home when i use my Wi-Fi it work normal, but as soon as i go out, for example on the bus or at work it keeps saying "Cannot connect to Youtube".

  • I phnoe4s not working. when i connect to charger apple logo keeps blinking

    my i phnoe4s not working. when i connect to charger apple logo keeps blinking

    Hello abuwafi,
    The troubleshooting steps detailed below can help get your iPhone back into working order.
    If your battery doesn't charge, or if your device shows a low-battery image, black screen, or "accessory not supported" alert, follow these steps.
    Inspect the connector at the bottom of the phone:
    Make sure that there are no bent pins in the connector.
    Make sure that the connector is free from debris.
    If there are bent pins or debris, please contact Apple Support.
    Otherwise, continue troubleshooting.
    Make sure that the outlet you're using works.
    Make sure that the Apple USB cable and Apple USB power adapter work.
    Plug the device in to power and let it charge until your device turns on. This could take between 10 and 30 minutes. If you don't have an Apple USB power adapter, try connecting to a computer's high-power USB 2.0 port (not a keyboard). The computer must be on.
    If the device still exhibits an issue, try turning your device off and then on again while connected to power.
    If the issue persists, please contact Apple Support.
    iPhone and iPod touch: Charging the battery
    http://support.apple.com/kb/HT1476
    Cheers,
    Allen

  • Bluetooth does not work when Wifi is on ???

    hi,
    i have my wifi option 'on' all the time, as i use to surf on the net.
    i've experienced difficulties sending files from my cell phone through bluetooth when the wifi is turned on.
    i just tried to deactivate wifi, and send the file again, and it worked fine.
    any ideas on how to solve that ?
    thanks.
    tom.

    aaarrrrggggg ! i actually was too quick !
    no i still does NOT work. i get connected to the internet with airport easily, but then, i cannot received files through bluetooth, and it really ***** because it's the only way i can get my photos ! actually, the transfer is very slow and the connection is lost.
    it's getting a serious pb because i have now a wireless apple mouse and cannot use it correctly.
    anyone help please !!!
    iBoog G4 1.33 / 768 MO / MacOS 10.4.7
    iBook G4   Mac OS X (10.4.5)  
    iBook G4   Mac OS X (10.4.7)  

  • The T61 internal mic does not work when docked

    The internal mic does not work when docked. However works fine when undocked.
    Does anyone know how to fix this?

    I go this issue very recently. What I did to solve the problem was probably mentioned before somwehre over the web.
    First of all, I degraded Skype from the latest version to skype 6.1.0.129. Then I went in Skype - Tools - Option - Advanced Settings - Automatic Updates and click "Turn off automatic updates" and Save. I closed (Quit Skype) Skype then.  
    I clicked on Start (in toolbar) and in search area typed Device Meneger. Then in Sound Video and game controlers, highlite and right click on mouse on IDT High Definition Audio Codec and press Unistall. This will unistall IDT drivers from the system. You must restart your computer.
    Once you come back after reboot, you must go again to the Sound Video and game controlers and remove the rest part of your driver. After reboot go Sound Video and game controlers and click "Scan for hardware changes" then system find your IDT Sound Card again. Please install the latest driver (6.10.6367.0) and reboot. After reboot you should have mic working while on Skype. 

  • TS3276 My o2 email account does not work when sending from my MAC it will accept incoming mail but not send it gives me a message that  o2 account (offline) my mac I have no problem with my iPhone  or mac laptop. any suggestions please.

    My o2 email account does not work when sending from my MAC it will accept incoming mail but not send it gives me a message that  o2 account (offline) my mac I have no problem with my iPhone  or mac laptop. any suggestions please.

    Sorry for the delay...
    I did what you've told me, new account and manually copied my files from Time Machine. I had lots of permissions problems, but at the end, almost everything is in order... It seems it had to be with some of the Apple Preferences, but I can't be sure, as most of them were dumped to the trash can.
    I still don't have my Mail Rules back, unfortunately, although I did goggled some. It is a pity, as I had around 30 or 40 of them, getting my mail in order to each of its mailboxes, but it is a small price as the rest doesn't show the before syntoms.
    Thanks for the help, anyway!!

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