White screen and message reading "No bootable device--insert boot disk and press any key"

My iMac was recently upgraded to the new Lion software. I dont know if that has anything to do with it but, the computer was working fine. I was working in iMovie, had Safari open. My cousins and I opened Photo Booth and started taking pictures. When we clicked on effects and selected an effect everything froze. I turned off the computer and when it started up, the screen was white. I unpluged it and restarted it, same thing. I unplugged it and around 3 hours later I turned it back on...same thing! Well this time after the white screen appears for I dont know...10 15 seconds..it goes black and a message saying "No bootable device -- insert boot disk and press any key" appears. I have no idea what to do. I have stuff that needs to get done that is saved on this computer. PLEEAASSEE HEELLPP!!!!

Start up you computer holding down the option and select Macintosh HD (or whatever name you gave your OS drive). If successful, take a trip to System Preferences->Startup Disk and make sure the proper HD is selected. Hope this helps.

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    If you have BootCamp available, then your iMac is much newer than those this forum covers. I suggest reporting in the forum for Intel iMacs here:
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  • Monitor reads "no bootable device--insert boot disk and press any key

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    Good morning,
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  • Boot camp: No bootable device -- insert boot disk and press any key screen

    Hello there!
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    Indrek,
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  • Im stuck with this message "no bootable device, insert boot disk and press any key". Now i want to go back to mac os but everytime i turn on my laptop that message appear..kindly help... Please

    Im stuck with this message "no bootable device, insert boot disk and press any key". Now i want to go back to mac os but everytime i turn on my laptop that message appear..kindly help... Please .... Im using my usb as bootable device but it cant be detected..

    Reboot, hold the option key down, select OSX when the startup manager appears.

  • Imac displays a black screen stating "No bootable device --insert boot disk and press any key", imac displays a black screen stating "No bootable device --insert boot disk and press any key"

    I've had boot camp run a setup on my macbook pro, I have a disk from Dell that states "for reinstalling Dell Inspiron and XPS system software". I would not read the disk as I am still looking at the black screen that portrays the Above statement of "No bootable device --insert boot disk and press any key"
    my keyboard is inoperable at this point until I could do anything further with the above directions. This was my first time using a Mac and Boot Camp was a setup that I thought would help me become more well aquainted due to my history with windows. Could anyone be of assistance w/ my situation?

    ... I have a disk from Dell that states "for reinstalling Dell Inspiron and XPS system software".
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  • Had diagnostics check done at Apple Store. Passed Got home, pushed power button, and screen says No bootable device-- insert boot disk and press any key?

    What happened at the Apple store that caused my computer to do this.
    It passed the diagnostic check with flying colors. So I got the green light from the Genius to purchase the MacBook Pro.
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    It's trying to boot from a Boot Camp volume that doesn't have a working installation of Windows. Restart and hold down the option key until you see one or more disk icons. Select the one representing your Mac OS boot volume and press return. When the boot is complete, open System Preferences > Startup Disk and set the Mac OS volume as the default boot device.

  • No bootable device -- insert boot disk and press any disk

    Pleeeeessssssseeeeeee help. I was trying to setup bootcamp but when it came to instaling windows it came up with a black screen and then after 5 or so minutes it powered down. Then when I turned it on from the power button at the back of imac 21.5 inch it took longer than usaul on the white startup screen displaying no apple symbol. Then the screen went black and displayed the words "No bootable device -- insert boot disk and press any key"  I have a wireless key board and doesn't conect to the mac until after startup so I cannot hold down the option key (ALT). I have ordered a wired keyboard but will take quite long to get here. Is there a way to fix it without a keyboard or mouse bearing inmind it is an all in one.
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    george292

    See this discussion for a possible solution in case Allan's suggestion is not the problem. Also look to the right side of the page for other possible discussions with solutions.

  • Can't install Windows "No bootable device -- insert boot disk and press any key"

    I'm running OSX 10.9.3 on my Macbook Pro 13-inch, Early 2011 and trying to install Windows 7 via Boot Camp Assistant and I'm using a flash drive loaded with bootable copy of Windows 7 Ultimate (legal, if that makes any difference).
    Here's what I've been doing:
    1. Plug in my flash drive, then on Boot Camp Assistant, click "Install Windows 7 or later version"
    2. Set my Windows partition to 45GB and continue... so far so good...
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    The flash drive is still plugged in but is it not being recognized or something? Nothing happens when I press any keys.
    I can use OSX just fine by holding down "Alt/Option" on restart, but in my case what can I do to continue further with the Windows install? It's basically an empty partition as of now. Any help appreciated!

    Ive been having this problem and have been trying to figure out how to fix it for almost a week now.  I have a 2011 17" MBP with the superdrive removed.  Ive tried many different methods and many different methods to no avail.  If anyone can help, please do!
    xxzy, have you tried the KUNU method?
    you can find it here:
    Bootcamp without Optical disc drive
    Scroll down to Kunu's post about his solution and see if it works for you.

  • Bootcamp Win 7 No bootable device -- Insert boot disk and press any key.

    Hello everybody, I bought a windows 7 to install with bootcamp in my MBP retina, it came buy post, a windows 7 ultimate, OEM, and for my surprise it came with a DELL computer reinstallation CD, well, I search the Internet and some guys were receiving the same CD, and the web sites were saying that it works perfectly. So, I started to install it with boot camp.
    I format my USB 16 gig from scandisk for (DOS FAT) in utility's on my mac, and I went to BOOT CAMP  to install the windows. As I have a superdrive and the CD from win 7, I didnt select the option of creating a image of windows 7 (the first option) and I just select the other two. So the bootcamp asked me to connect my USB stick for downloading the windows drivers, and after downloading he opened the partition screen, I choose 30 gig for my windows partition and pressed continue, after that the boot camp asked me if I have a windows installing cd, and I clicked yes, Next window, " If you have an installation CD the boot camp will delete the boot from your USB stick, press continue, and I did. After that my mac reboot, and now I have the message " No bootable device -- Insert boot disk and press any key"
    It doesnt boot with the USB stick.
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    Please help me if you can.
    I have done a backup before.

    You should take your Boot Camp discussion to the Boot Camp forum, https://discussions.apple.com/community/windows_software/boot_camp, where the "no bootable device" issue has been asked and answered many times.

  • No bootable device -- insert boot disk and press any key - problem

    Hi,
    I'm running an early-2008 MacBook (13-inch) that has previously had Windows Vista and Windows 7 installed to it through Bootcamp over the years.
    A few weeks ago I did a fresh reinstall of OS X Lion (10.7.5) and decided to reinstall Windows 7 as well. I deleted all the partitions and started afresh. However, upon trying to reinstall Windows 7 I've become a wee bit stuck.
    Bootcamp works fine at first - it lets me partition the HDD without any issues (the partition is MS-DOS - FAT32), but when it reboots it gives me a message 'No bootable device -- insert boot disk and press any key' against a black screen. I've never seen this message before and it won't let me continue with the installation. I'm able to get back into OS X by pressing the option key upon reboot.
    Any idea what I'm doing wrong? As I said I've used Bootcamp several times in the past on this machine without any problems. The only difference between then and now is that my Superdrive no longer works so I'm using an external DVD drive. However, the error happens regardless of whether it's plugged in.
    Cheers,
    Matt

    jeffjefftyjeff wrote:
    The only difference between then and now is that my Superdrive no longer works so I'm using an external DVD drive. However, the error happens regardless of whether it's plugged in.
    For Macs with built-in Optical drives, it must be functional for a Windows installation/installer to work. You will also need a USB2 flash drive.
    On such Macs, the BCA sets the boot device to be the non-functional Optical drive, which is why you see a No boot device message.

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