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Mac OS X will not re-start

In system preferences I clicked start from network rather than the HD. I can't restart OS X as it keeps flashing a world pic or a file with ? mark. How can I revert this?

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Hi there DocMerengue,

When rebooting at the bong press and hold the Alt key until the drives appear on screen. Select your main boot drive and off you go. Now in OSX goto the startup disk in the prefs and set it back to the hard drive instead of Network and you're done.

All the Best
Sean Cole
PiDigital

Posted on Dec 21, 2008

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I have a question mark sign on my screen please help


sounds like your hard drive has come unplugged, you will have to remove the battery and possibly the "L" shaped metal strip then you can push the hard drive back in

Feb 14, 2015 | Apple MacBook Pro Laptop Computer with...

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on Jun 21, 2010 | Computers & Internet

1 Answer

Airport sign in keep saying wrong password


Delete Preferred Network(s)
  • System Preferences > Network > Select AirPort > Advanced > AirPort tab
  • Under Preferred Network, use the minus button to delete the network(s) you regularly use from the list
Delete AirPort Keychain Entries (Note: only applies if you connect to AirPort/Time Capsule routers)
  • Launch the "Keychain Access" application located in /Applications/Utilities
  • Click on the "Kind" filter at the top, and look for any "AirPort network password" entries...and delete them.
  • Restart, or log out then back in.
Add Preferred Network(s)
  • System Preferences > Network > Select AirPort > Advanced > AirPort tab
  • Under Preferred Network, click on the plus button to add any preferred network(s).
  • Restart or log out then back in.

Jul 02, 2014 | Apple iBook G3 Mac Notebook

1 Answer

Why is my macbook air a1466 showin a file with a question mark when i turn it on and how do i fix it


http://support.apple.com/kb/ts1440

A flashing question mark appears when you start your Mac Symptoms

If you see a flashing question mark when you start your Mac, it's probably because it can't find the system software it needs to start up. Usually, all you have to do to get your Mac back up and running is remind it where its software is.
Resolution

If your computer starts up normally after a brief delay, you probably just need to reselect the startup disk in Startup Disk preferences. It's normal to see the flashing question mark when a startup disk has not been selected. In most cases, reselecting the startup disk is all that is required to resolve the issue.

Sometimes, your computer may not start beyond the flashing question mark.

Tip: If your computer has a gray screen (with no flashing question mark) startup issue, see Mac OS X: Gray screen appears during startup.

Check the mouse and keyboard

This issue might occur if a mouse or trackpad button is pressed during startup. Make sure the button isn't pressed.

If the issue persists, shut down your Mac with its power button, disconnect any external mouse and keyboard, then turn on your Mac with its power button. If the flashing question mark issue persists, reconnect the keyboard and mouse.

Additional steps

If your Mac still starts to a flashing question mark, follow the steps below. If any step resolves the issue, you don't need to continue to the next one.

  1. Select your Mac OS X startup disk with Startup Manager by restarting and holding the Option key. After your Mac starts up, restart again to verify that the flashing question mark does not appear.
  2. If the issue persists, insert your Mac OS X installation disc. Be sure to either use the disc that came with your Mac, or, if you installed a later Mac OS X version from disc, use the newer disc.

    MacBook Air note: On a MacBook Air, there are two options for starting up from Mac OS X media: Either connect a MacBook Air SuperDrive to the MacBook Air via the USB port and restart the computer, holding down the C key during startup, or use Remote Install Mac OS X to startup from a system software DVD that's located on a partner computer. Once started up from Mac OS X media, skip to step 3.

  3. Restart the computer, then hold the C key during startup.
  4. From the Utilities menu, choose Disk Utility. Don't click Continue.
  5. Select your Mac OS X disk (named "Macintosh HD" by default) in the left side of the Disk Utility window.
  6. Click the First Aid tab.
  7. Click Repair Disk to verify and repair any issues with your Mac OS X startup disk.
  8. After repairing the disk, try to start up normally.

    Important: If Disk Utility finds issues it cannot repair, you may need to back up as much of your data as possible (or use Time Machine to back up to a different disk), then erase the disk and reinstall Mac OS X. You should back up important files and data before erasing a drive. Erasing deletes everything on the hard disk (including things on your desktop). Also, you can install Mac OS X onto an external disk, start from the external disk, and use Migration Assistant to transfer items from your usual internal Mac OS X startup disk to the external disk, then erase the internal disk and reinstall Mac OS X.
  9. If the issue persists, and Disk Utility didn't find any irreparable issues, quit Disk Utility, quit the Installer, select your disk when prompted, and restart.
  10. If the issue continues, reset PRAM. Note: After resetting PRAM, if the computer starts up normally, reselect the startup disk in the Startup Disk preferences.
  11. If none of these steps resolve the issue, start up from the Mac OS X Installation disc and reinstall Mac OS X.
Last

Mar 30, 2014 | Computers & Internet

1 Answer

How do i get out of dns mode on my imac home computer?


Mac OS X v10.5 or later:
  1. From the Apple menu, choose System Preferences.
  2. From the View menu, choose Network.
  3. Click the interface you use to connect to the Internet, such as AirPort or Built-in Ethernet.
  4. If you use Built-in Ethernet: Type your DNS address(es) in the DNS Server field. If you have more than one, separate them with a comma.
    If you use AirPort, click Advanced, then click the DNS tab. For each server, click the "+" button under DNS Servers and enter the address provided by your ISP or network admin. Click OK when done.
  5. Click Apply.
Mac OS X v10.4 or earlier:
  1. From the Apple menu, choose System Preferences.
  2. From the View menu, choose Network.
  3. From the Show menu, choose the interface you use to connect to the Internet.
  4. Click the TCP/IP tab.
  5. Type your DNS address in the Domain Name Servers field. If you have more than one, press Return at the end of each to put the next address on a new line.
  6. Click Apply Now.

Changing networks
You may experience a delay with the first connection after changing networks on a portable Mac. For example, you might use a MacBook at home with Wi-Fi, then take it to work or school and use an Ethernet connection. By default, Mac OS X uses one set of Internet preferences (known as a "location") named Automatic that will search your computer's modem, Ethernet, and AirPort interfaces until it finds the one that is connected to the Internet. You may experience a delay while your computer determines which network it is on. This can be easily differentiated from a DNS issue by creating a location that only contains one network interface. For more information, see Using network locations in Mac OS X.
If issues continue after trying the above steps, consider removing any manually-entered DNS addresses from the Network preferences pane. Select the address, then click the minus ("-") button. Note that dimmed addresses cannot be removed.

Jan 17, 2014 | Apple 24" iMac Desktop

1 Answer

I am trying to connect a Mac ibook to my cable modem


Use Network preferences to verify your TCP/IP settings and that Built-in Ethernet is your primary network interface. Follow these steps if you are using Mac OS X v10.5:
  1. From the Apple menu, choose System Preferences.
  2. From the View menu, choose Network
  3. Be sure that "Built-in Ethernet" has not the status Inactive listed below the entry in the list of network ports.
  4. Make sure Built-in Ethernet is the selected, or primary, network interface: Click the action button (gear icon) below the list of network port and choose "Set Service Order...".Services can be dragged to change order. Services are listed with descending priority.
  5. Select a network port in the list of port to configure it.
  6. Click Advanced..., then click the TCP/IP tab.
  7. Follow your ISP's instructions for setting up this pane. For more information, see Mac OS X: How to Connect to the Internet With Cable or DSL.
  8. Click OK when finished.
  9. If you have made any changes, click Apply Now.
If you are using Mac OS X 10.4
  1. From the Apple menu, choose System Preferences.
  2. From the View menu, choose Network.
  3. Choose Active Network Ports from the Show pop-up menu.
  4. Be sure that the checkbox for "Built-in Ethernet" is selected.
  5. Drag Built-in Ethernet to the top of the Port Configurations list to make it the preferred, or primary, network interface.
  6. Choose "Built-in Ethernet" from the "Show" pop-up menu.
  7. Click TCP/IP.
  8. Follow your ISP's instructions for setting up this pane. For more information, see Mac OS X: How to Connect to the Internet With Cable or DSL.
  9. If you have made any changes, click Apply Now.

Jul 11, 2011 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

Hi,\r\ni have a problem with my macbook air when


Try restarting your computer while holding down the X key. This may force the computer to start up using your Mac OS X system. If it does, release the X key, then open System Preferences and click Startup Disk. Make sure your Mac OS X system is selected. If you are unable to start up using the X key, restart your computer and immediately press and hold the Option key. Release the Option key when icons start to appear in the center of the screen. Select the Mac OS X system disk, then click the forward arrow to continue starting up.
If the above attempts to reselect your Mac OS X startup volume are unsuccessful, try resetting PRAM. Shut down your computer, then turn on the computer and immediately press and hold Command-Option-P-R until you hear the startup sound for the second time. Open System Preferences, click Startup Disk, and select your Mac OS X volume.
Hope this helps. If none of these options fix your problem, bring your computer to an Apple store, they are always very helpful and almost never fail to fix the problem!

Mar 11, 2011 | Apple MacBook Air

2 Answers

Hi. I turn on the mac and the screen says Mac OS X then there is Name and password. How can I get in to the main screen?


If you do not know the password for the user, you can reset it very easily:

  1. Start up from a Mac OS X Install disc (one whose version is closest to the version of Mac OS X installed). Usually, you can start from the disc by putting it in your computer, restarting, and holding the C key. Or, put it in the computer and click the Install or Restore icon you see in the disc's main window (after which the computer will start from the disc without you needing to hold C). Or, you can use Startup Manager or the Startup Disk preference pane to select the Install disc.
  2. Choose a language, click the arrow button to continue,
  3. Mac OS X v10.6 or later: Choose Password Reset from the Utilities menu.
    Mac OS X v10.5 or v10.4: Choose Reset Password from the Utilities menu.
    Mac OS X v10.3: Choose Reset Password from the Installer menu.

    Tip: If you don't see this menu or menu choice, you're probably not started from the disc yet.

    Note
    : The default keyboard layout is U.S. English while started from the installation disc. If you use a keyboard layout other than U.S English, use the Input menu (the flag icon on the right side of the menu bar) to select the desired layout before typing a new password.
  4. Select your Mac OS X hard disk volume.
  5. Select the user name of your original administrator account.

    Important: Do not select "System Administrator (root)". This is actually the root user. You should not confuse it with a normal administrator account.

    ht1274_leopard.png
  6. Enter a new password.
  7. Click Save.
  8. Click the red button in the upper left corner to quit the application.
  9. Choose Quit Mac OS X Installer... from the Mac OS X Installer menu.
  10. Click Restart.

Aug 28, 2010 | Apple aluminum 13-inch MacBook laptop-...

3 Answers

How do I unlock my macbook,I forgot my password


  1. Start up from a Mac OS X Install disc (one whose version is closest to the version of Mac OS X installed). Usually, you can start from the disc by putting it in your computer, restarting, and holding the C key. Or, put it in the computer and click the Install or Restore icon you see in the disc's main window (after which the computer will start from the disc without you needing to hold C). Or, you can use Startup Manager or the Startup Disk preference pane to select the Install disc.
  2. Choose a language, click the arrow button to continue,
  3. Mac OS X v10.6 or later: Choose Password Reset from the Utilities menu.
    Mac OS X v10.5 or v10.4: Choose Reset Password from the Utilities menu.
    Mac OS X v10.3: Choose Reset Password from the Installer menu.

Oct 28, 2009 | Apple aluminum 13-inch MacBook laptop-...

1 Answer

How to Find the Ethernet Adapter's MAC Address


Follow these instructions to find your adapter's Media Access Control address (MAC address). This is not the same as a Macintosh computer, it is a fixed string built in to the hardware, that uniquely identifies a computer device. Windows 2003 1. Click Start > Run. A command prompt window appears. 2. Type cmd. 3. Type ipconfig/all. (no spaces around the /) 4. Copy down the "Physical Address" (aka the MAC address) on a paper where you keep your network configuration settings. 5. You may close the command prompt window. Windows XP 1. Click Start > Run. A command prompt window appears. 2. Type cmd. 3. Type ipconfig/all. 4. Copy down the "Physical Address" (aka the MAC address) on a paper where you keep your network configuration settings. 5. You may close the command prompt window. Windows 2000 1. Click Start > Programs > Accessories > Command Prompt. A command prompt window appears. 2. Type ipconfig /all. 3. Copy down the "Physical Address" (aka the MAC address) on a paper where you keep your network configuration settings. 4. You may close the command prompt window. Windows 95 and Windows 98 1. Click Start > Run. A command prompt window appears. 2. Type winipcfg. 3. Click OK. 4. Copy down the "Adapter Address" (the MAC address) on a paper where you keep your network configuration settings. 5. You may close the command prompt window. Windows NT 1. Click Start > Programs > MS-DOS Prompt. A command prompt window appears. 2. Type ipconfig /all. 3. Copy down the "Physical Address" (aka the MAC address) on a paper where you keep your network configuration settings. 4. You may close the command prompt window. Macintosh OS (10.3.5) These instructions also work for some earlier OS. 1. Click Apple Menu at top left > System Preferences > Network icon. 2. Select Show: Built-in Ethernet in the pull down menu. 3. Click Ethernet. 4. Your adapter's MAC address is the characters in Ethernet ID.

Feb 19, 2006 | NetGear CG814M Wireless Cable Modem...

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