No usb in lion

Just installed Lion. When the system is on for a while, the screen blanks, and everything is dead. Computer is on, I hear the drives being accessed, iTunes is still playing, but I CANNOT ACCESS ANYTHING. USB HANGS. I can only to a hard restart with the power button. HELP!!!!!

Maybe you have a bad USB cable or device or driver.
Try command + r on startup and repair the drive

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  • HP LaserJet 1200 is connected to usb but Lion 10.7 doesn't recognize it?

    I have downloaded and redownloaded software from Apple and HP and nothing makes Lion see the printer. I have unplugged and replugged, reset printing system numerous times over the last 6 months and still it will not see the printer.
    I have called HP willing to pay to have them help me and they say they won't even sell me a service call on this problem.
    Apple keeps saying go to HP or redownload the drivers (Been there done this 12 times at least) also check software updates. Keeps saying software up to date.
    Please someone help!!
    Alexandria

    I have this printer and use it all the time in 10.7.2. Works fine, and I installed nothing extra from HP.
    What I'd do: Make sure it's plugged in (showing single green light) and connected to the Mac. You can check connection by doing Apple menu > About This Mac, Overview tab, System Report... Under Hardware in the list at the left, under USB, should appear HP LaserJet 1200. If printer does not appear here, something's probably wrong in hardware (most likely printer, seeing how old these are).
    If printer shows up, go to System Preferences, Print & Scan (under Hardware), then click the + sign at left and add the 1200; it should appear if recognized by system.
    For drivers, Software Update will do any updates as long as the device is attached; no need at all to download separate files (and as I recall, the 1200 is in the list of supported devices for 10.7; I checked before upgrading).

  • Problème tension de sortie des Ports Usb sous Lion

    Bonjour, je viens d'acheter un Macbook Pro qui fonctionne sous Lion et je constate des problèmes sur la tension de sortie des ports USB.
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    Dernier test, j'ai pris mon disque Freecom 500 GO que j'ai mis sur un Hub USB (alim. Ext.) et le disque monte sous Lion ??? !!!! ????
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    Bonjour,
    Avez-vous consulté les deux documentations ci-dessous ;
    Agilent 34970 Data Acquisition System :
    http://sine.ni.com/apps/utf8/niid_web_display.download_page?p_id_guid=014F4CD7EF78136AE0440003BA7CCD...
    Using the Agilent 34970A with LabVIEW :
    http://www.ni.com/white-paper/4644/en/
    Le problème provient directement de NI-MAX. Quelle version de NI-VISA et de LabVIEW avez-vous? Avez-vous installé ou reinstallé la dernière version de NI-VISA?
    Merci,
    Cordialement
    Brice S.
    National Instruments France

  • Recognising a saffire 6 USB in lion os x 10.7.2 - help?!!

    Hi mac audio people
    Just purchased new iMac.
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    Hello dude
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  • Can not start with an installation on a USB drive Lion on the latest Macbook Pro

    Hello,
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    I created an external hard drive with an installation of Mac OS X Lion, which works fine on both machines.
    On the new Macbook pro 13 "I5, it is now impossible to start the installation of external Lion which is on the external usb hard drive.
    Have you any idea why?

    i know this may be silly but i hope you removed the usb device while restarting.
    If you did then hold up the option key as soon as you press the power button. It will bring you to a bootfolder selection choose your main partition and boot up. Alternatively if this does not help then do a PRAM and SMC reset. If these things fail then select recovery partition and go to disk utility and repair permisions for the main partition within the first aid section. If all else fails you would need to re install the osx, hope you have a back up.
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  • Can I create a bootable usb for Lion SERVER?

    I've installed Lion OS. Then downloaded Lion SERVER.
    Creating a bootable USB for the ordinary OS was simple enough (stop install, show contents,restore partition etc). However, with Lion Server, install package does not appear in applications and there does not seem to be any obvious was way to stop the installation before the install package self destructs. Download from app store shows in Launchpad. Icon then changes to 'installing'. Install process is very quick and it won't stop
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    If you have a Mac mini Server with Lion server pre-installed you can do this fairly easily using the method outlined here http://www.hotblack.co.nz/article.lsd?i=lionserver
    But I have a stock iMac with Lion pre-installed and got the Lion Server on top. I too have been looking at this "problem". Even after you've installed Lion Server and try the method they suggest you do not get a Lion Server InstallESD.dmg file.
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    Using your existing Lion Server, copy "Install Mac OS X Lion" to your applications folder. Then when you use the installer with a BLANK volume as your target you will see an Options button on the bottom left side of the Installer pane. Clicking this allows you to install Server components. Your target can be a 16GB USB stick. Interestingly when this stick reboots you actually get the Server Assistant up which can configure your server.
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  • How can I get my Canon MF8350CDN to print using Airport Express USB on Lion?

    I just installed a new airport express with USB to my MF8350CDN.  When I add the printer, it sees the printer, loads the UFRII driver (from my download from canon) and opens a print que.  However I try to print a test page it gives me "cmjcInitialize Error" , printer is offline, canon CMFP printer driver, check power and connection.  I print from the PC without a problem but I had to connect using IP printing to the airport's IP address.  Is there something that I am missing during the installation? 

    Hi ronthet,
    This is an older post.  Hopefully you have resolved your issue, but just in case you have not.
    I have not personally tested a USB External Printer server for some time.  I would like to look into your IOGEAR Print Server, can you send the model number of the IO Gear PrinterNum?
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    Kazman
    I am an HP Employee
    Say Thanks by clicking the Kudos Star in the post that helped you.
    Please mark the post that solves your problem as Accepted Solution

  • Windows 7.5 phone not recognized. Charges but no usb connection. USB works with HDD, Flash, 3G modem, Iphone, just no the Win 7.5 phone. Using 27" IMac  with Lion.

    When I connect windows Phone (HT7 using Windows Phone 7.5 (tried 2 phones) usb wont recognise it. Charges but no usb connection. USB works with HDD, Flash, 3G modem, Iphone, just no the Win 7.5 phone. Using 27" IMac  with Lion.
    I am running VMWare fusion when I connect any USB device Lion prompts to connect Windows or MAC. Both work for many devices. When I plug in the phone Lion simply does not respond.
    Peter

    Also.... my phone works and can do everything fine when not plugged in.. I just can't get my computer or others to recognize the darn thing when plugged in!

  • Lion and USB ports and flash devices

    I noticed a curious thing today, when endeavouring to update my NavMan satnav via Parallels 6/ Win XP and USB under Lion. Basically, the satnav (which has internal flash memory) isn't recognised by the NavDesk software, WinXP or Parallels.
    Booting the iMac back into my SL clone, all works as expected - the device is recognised by WinXP and communicates. It also mounts the flash drive on the Mac desktop until it's captured by Parallels.
    Booting the iMac back into Lion, same Parallels pvm, the device doesn't mount on the Mac desktop, and is not detected by Parallels/WinXP.
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    I'm not sure I totally agree about Parallels 7.
    From the actual Parallels website:
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    "Parallels worked closely with Apple during the development of its Lion operating system. Our testing has shown that the latest built of PDFM6 supports Lion but does not take advantage of new Lion features."
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  • Why did my Macbook pro not come with a Lion CD or USB?

    I have a MacBook Pro 13" Early 2011 model with lion installed. The mac came with lion. But why did my mac not come with a CD or USB for lion?

    No Mac comes with a DVD or USB for Lion, everything is done online now.  For those who absolutely must have a USB you can buy Lion on a USB drive for $70 or thereabouts.
    If you're concerned about drive repair and re-installing Lion, these articles may be of interest:
    Lion - Disk Utility - https://discussions.apple.com/message/16925522 - repairing your drive using Disk Utility on Lion's recovery partition.
    OS X Lion: About Lion Recovery Disk Assistant - http://support.apple.com/kb/HT4848# - Create recovery disk on another drive for when Lion's Recovery Partition does not work.
    OSX: About Lion Recovery - http://support.apple.com/kb/HT4718 > Lion Internet Recovery - using the Internet to start when recovery disk partition not available.

  • Problem with Reinstalling Lion on macbook pro.

    Hi I have a problem with reinstalling the Lion but because i had snow leopard so i can't sign in to reinstall can u help me please. Thanks

    If you ever do redownload OS X from the Store, save the package first, you can then use that to boot from and do clean installs locally.
    How to make a bootable Lion or ML install drive
    http://osxdaily.com/2012/07/25/create-os-x-mountain-lion-boot-dvd-usb-drive-lion diskmaker/
    https://www.macworld.com/article/1167857/how_to_make_a_bootable_mountain_lion_in stall_drive.html
    http://blog.gete.net/lion-diskmaker-us/
    Create an OS X Mountain Lion Installation Boot DVD or USB Drive with LionDiskMaker
    Jul 25, 2012 - 11 Comments
    http://osxdaily.com/2012/07/25/create-os-x-mountain-lion-boot-dvd-usb-drive-lion diskmaker/
    Mountain Lion is out! You can upgrade a Mac right out of the App Store, but some people prefer to make a boot disk. If you’re in that group, rather than making a bootable OS X Mountain Lion installer yourself the old fashioned way, you can do it all in a few clicks with the help of a free app called LionDiskMaker.
    After you’ve downloaded the OS X Mountain Lion installer from the Mac App Store, launch LionDiskMaker and it will locate the installer app, extract the disk image, and then make the boot disk. It’s about as simple as it gets.
    For burning a boot DVD you will need a 4.7GB or larger blank DVD and a SuperDrive. For USB install drives or SD cards the drive needs at least 8GB of space available. LionDiskMaker formats the drive you point it at, remember that when you are picking a disk to make bootable for the installer.
    Get the newest version of LinoDiskMaker free from the developer
    Making a boot installer is really helpful if you need to install Mountain Lion on multiple Macs and don’t want to re-download it on each Mac from the App Store, or if you want to perform a clean install. If you don’t need the bootable aspect, you can also just copy the Installer app file from the /Applications/ directory to other Macs and it will work to perform the OS X upgrade too.
    LionDiskMaker has been around since Lion but it has recently been updated with Mountain Lion support, heads up to CultOfMac for the reminder

  • HT1338 help with installing Mountain Lion software...!

    i am trying to update my mac book pro with the mountain lion software. i have purchased this in my mac app store but do not see where to go from here to install... anyone know what to do? do i not have enough space to install the update? how do i tell?

    What year is your MacBook Pro? Need to make sure you have the hardware spec for Mt. Lion. You should also consider 8GB of memory for reasonable performance.
    Find how much storage: Apple Menu > About this Mac > More Info... > Storage
    If you are within 80% of filling your current drive, you may have enough to install Mt. Lion, but the subsequent installation will not perform well due to storage saturation.
    Before you update to Mountain Lion, you should do one last software update on Lion, then run Disk Utility and verify/repair permissions. Then back-up your home directory for safety, even though a Mt. Lion upgrade will not disturb your home directory.
    If Mountain Lion actually did download, the installer is placed in your /Application folder as, Install OS X Mountain Lion. If you want a bootable USB Mountain Lion installer, now is the time to make it with Lion Diskmaker and a empty 8GB USB stick. After you run the Mountain Lion installer, it will de-install itself. Like Lion, you still have a bootable Recovery partition.

  • Mac Pro, Mountain Lion not work

    Hi,
    My name is Daniele and i have a big problem with my Mac Pro.
    I have buy the Mac Pro in United States three weeks ago, and it works very well with Lion.
    For work, I need to update the system to Mountain Lion, but it not work.
    The installation starts, but when the system reboot I get this error:
    [URL=http://img5.imageshack.us/i/lqi7.jpg/][IMG]http://img5.imageshack.us/img5/9715/lqi7.th.jpg[/IMG][/URL]
    If i rebbot in verbose mode i get this error:
    [URL=http://img20.imageshack.us/i/ksv8.jpg/][IMG]http://img20.imageshack.us/img20/3710/ksv8.th.jpg[/IMG][/URL]
    or this
    [URL=http://img194.imageshack.us/i/e3yo.jpg/][IMG]http://img194.imageshack.us/img194/97/e3yo.th.jpg[/IMG][/URL]
    if I start the system from usb, Mountain Lion part quietly.
    I have tried various different hdd/ssd:
    SSD Samsung 840 da 250GB
    SSD Crucial da 128GB
    HDD Western Digital Caviar Black da 1TB
    HDD Hitachi Ultrastar da 2TB
    always the same error.
    Can you help me????
    Thank you

    "Device Attachment Failed!" (Atheros network chip)...
    0x001c
    Wireless Network Adapter
    0x168C
    Atheros Communications Inc.
    Probably because  this card "is not supported in FreeBSD," the building block for Mac OS X kernel...
    The Serial ATAPI has to do with your Superdrive bus...
    Not sure if the first issue is related to the second, or if both the network card is unsupported and the ATAPI device is connected improprerly...
    I was just researching, I am no expert. But thanks for posting the log. Hope you get your computer working.
    Device Id - PCI Vendor and Device Lists
    http://www.freebsd.org/doc/en/books/handbook/book.html

  • CLARIFICATION FOR LION INSTALL

    I have a late 2009 27" Imac core 2 duo with 4 gigs of ram and will be installing Lion soon but need some clarification on a couple of things ......
    First I am going to partition the HD so that I can still run Snow Leopard .........
    This is where I need the clarification..........Once partitioned I think I  will need to install Snow Leopard on the second partition  and make sure that it is up to date (correct) once this has been done I can then download Lion and proceed with the install (I hope this is correct) Once this has been installed I should be able to reboot into either of these OS's ?? (I Hope)
    Now , I want to create a bootable USB of Lion and I have the USB device and I have read a couple of articles on how to do this ,  has any one here done this and if so how did the USB boot work after doing it?? Will it run in virtual like booting from a live disc or is it just for back up purposes to re install Lion if it needs to be reinstalled for one reason or another??
    Any and all help will be apreciated as I just want to make sure that I have this correct before I start so that I do not have to do this but once.

    There should be an icon on the Desktop that looks like an external hard drive and is named "bash Update" or something like that. Drag it to the Trash. If you don't see it there, look in the sidebar of a Finder window under DEVICES and click the eject icon. Then look in the Downloads folder for a file with a similar name and drag it to the Trash.

  • How to stop lion recovery disk assistant from downloading?

    Since I planned to upgrade the stock disk on my macbook pro I created a USB stick backup of the Lion OS using Lion recovery disk assistant. It built a bootable copy of my Lion OS. I replaced the drive, booted from the USB stick Lion, formatted the new drive with disk utility with one OSX partition, and bunch of Linux partitions for the planned dual/triple/etc. boot.  I then used the recovery disk menu to reinstall OSX on the new disk. It took off and started the download just like while booting with R key or from the recovery partition AGAIN!.  This is a 2 hour proposition and is totally ridiculous. I need to be able to reinstall without downloading Lion every time.   Any ideas on how to stop this new Apple invention from doing this download?

    If you read the Disk Recovery Assistant documentation all that it does is put a copy of the Recovery HD onto the flash drive. There is no OS on it to reinstall, hence the reason for the Internet download.
    If you wish to have a true bootable installer flash drive for your system, then here's what is involved. Start by going to this link: Downloading Hardware Specific Lion Installers. Follow the instructions very, very carefully because this can be a bit tricky.
    Once you have the installer application:
    Make Your Own Lion Installer
    1. After downloading Lion you must first save the Install Mac OS X Lion application. After Lion downloads DO NOT click on the Install button. Go to your Applications folder and make a copy of the Lion installer. Move the copy into your Downloads folder. Now you can click on the Install button. You must do this because the installer deletes itself automatically when it finishes installing Lion.
    2. Get a USB flash drive that is at least 8 GBs. Prep this flash drive as follows:
    Open Disk Utility in your Utilities folder.
    After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area.  If it does not say "Verified" then the drive is failing or has failed and will need replacing.  SMART info will not be reported  on external drives. Otherwise, click on the Partition tab in the DU main window.
    Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Click on the Partition button and wait until the process has completed.
    Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
    Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
    Click on the Erase button. The format process can take up to several hours depending upon the drive size.
    3. Locate the saved Lion installer in your Downloads folder. CTRL- or RIGHT-click on the installer and select Show Package Contents from the contextual menu. Double-click on the Contents folder to open it. Double-click on the SharedSupport folder. In this folder you will see a disc image named InstallESD.dmg.
    4. Plug in your freshly prepared USB flash drive. You are going to clone the InstallESD.dmg disc image to the flash drive as follows:
    Open Disk Utility.
    Select the USB flash drive from the left side list.
    Click on the Restore tab in the DU main window.
    Check the box labeled Erase destination.
    Select the USB flash drive volume from the left side list and drag it to the Destination entry field.
    Drag the InstallESD.dmg disc image file into the Source entry field.
    Double-check you got it right, then click on the Restore button.
    When the clone is completed you have a fully bootable Lion installer that  you can use without having to re-download Lion.

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