Solaris Newbie: Install hangs @ White Screen
I am trying to install Solaris 9 on my x86 box. The configuration is a 1.2 GHz AMD chip, 256 MB RAM, 80 GB master, 40 GB Slave, DVDROM 2ndary mastar, ZIP 2ndary slave. The 80 has a Linux setup, the 40 has a big partition that has about 1 gb of swap space and the rest blank. I want to keep the 80 primary, 40 slave, remove the swap and chaos from the 40 gig, and put Solaris on it. I can set my bios to boot from the secondary drive, so that isn't a problem. The thing is when I try to install after I select the CD as the kernel source it goes to a white screen and hangs there. Any help would be appricated immensely. (or emensely?) Tch. Thanks in advance,
the8088er
NB: If you change the X86 disk configuration as suggested, than:
set the harddisk jumper to "master" and
set the DVDROM disk jumper to "slave".
How the jumpers should be set is most often printed on the labels of the disk or on the metal near the jumperblock (for CD drives). Most often you find: ma, sl & cs (cable select)
If you can't find it there than one should look into the drive manual on on the vendor web-site.
Also, especially with older bioses, one has to reconfigure the bios to reflect the new situation.
If, with newer bioses the isa setting is set to auto-configure, than the new cofiguration will be accepted without intervention.
If, for some reason, the change result in malfunction e.g. hang during disk selection
than recheck settings (jumper & bios) or revert back to old configuration.
PS: This information might be overcomplete, but I don't want you to and up with a black screen instead of a white one.
Good luck,
Eric.
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After installing my Mac only shows a white screen. Help
I updated and now when it restarted it will only give a white screen.
Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. -
Mac hangs at white screen with spinning with loading wheel while shutting down.
I've had a problem with my computer recently that really bugs me, because I been needing to install os x updates, but when i try to shut my computer down, it hangs at a white screen with the grey loading wheel forever until I forcibly shut it down. This has been bugging me a lot, and when I try other peoples' solutions, (e.g. resetting NVRAM, uninstalling apps), I can't figure out what apps to uninstall, and resetting the NVRAM is no luck. I have a console log of the shutdown here:
3/14/2014 8:12:04.325 AM WindowServer[133]: CGXGetConnectionProperty: Invalid connection 37731
3/14/2014 8:12:04.327 AM WindowServer[133]: CGXGetConnectionProperty: Invalid connection 37731
3/14/2014 8:12:04.327 AM WindowServer[133]: CGXGetConnectionProperty: Invalid connection 37731
3/14/2014 8:12:04.327 AM WindowServer[133]: CGXGetConnectionProperty: Invalid connection 37731
3/14/2014 8:12:04.328 AM WindowServer[133]: CGXGetConnectionProperty: Invalid connection 37731
3/14/2014 8:12:04.347 AM com.apple.launchd.peruser.501[210]: (com.apple.EscrowSecurityAlert[483]) Exited: Killed: 9
3/14/2014 8:12:04.354 AM WindowServer[133]: _CGXGetWindowOrderingGroup: Operation on a window 0x15 requiring rights 0x5 by caller Dashboard
3/14/2014 8:12:04.354 AM WindowServer[133]: _CGXGetWindowOrderingGroup: Operation on a window 0x14 requiring rights 0x5 by caller Dashboard
3/14/2014 8:12:04.354 AM WindowServer[133]: _CGXGetWindowOrderingGroup: Operation on a window 0x13 requiring rights 0x5 by caller Dashboard
3/14/2014 8:12:04.354 AM WindowServer[133]: _CGXGetWindowOrderingGroup: Operation on a window 0x11 requiring rights 0x5 by caller Dashboard
3/14/2014 8:12:04.354 AM WindowServer[133]: _CGXGetWindowOrderingGroup: Operation on a window 0x10 requiring rights 0x5 by caller Dashboard
3/14/2014 8:12:04.355 AM WindowServer[133]: _CGXGetWindowOrderingGroup: Operation on a window 0x71 requiring rights 0x5 by caller Dashboard
3/14/2014 8:12:04.355 AM com.apple.launchd[1]: (com.apple.ShareKitHelper[299]) Exited: Killed: 9
3/14/2014 8:12:04.355 AM WindowServer[133]: CGXOrderWindowList: Operation on a window 0x15 requiring rights kCGSWindowRightPresenter by caller Dashboard
3/14/2014 8:12:04.355 AM DashboardClient[496]: CGSOrderWindowList
3/14/2014 8:12:04.364 AM com.apple.launchd[1]: (com.apple.internetaccounts[279]) Exited: Killed: 9
3/14/2014 8:12:04.364 AM com.apple.launchd.peruser.501[210]: (com.intego.commonservices.integomenu[263]) Exited: Killed: 9
3/14/2014 8:12:04.387 AM com.apple.launchd.peruser.501[210]: (com.apple.iTunesHelper.17984[270]) Exited with code: 1
3/14/2014 8:12:04.387 AM com.apple.launchd.peruser.501[210]: (com.apple.ImageCaptureExtension2.10416[354]) Exited: Killed: 9
3/14/2014 8:12:04.387 AM com.apple.launchd.peruser.501[210]: (com.apple.gamed[275]) Exited: Killed: 9
3/14/2014 8:12:04.390 AM com.apple.launchd.peruser.501[210]: ([0x0-0x37037].com.apple.AppleSpell[391]) Exited: Killed: 9
3/14/2014 8:12:04.428 AM _cvmsroot[534]: audit warning: allsoft
3/14/2014 8:12:04.428 AM _cvmsroot[535]: audit warning: soft /var/audit
3/14/2014 8:12:04.453 AM _cvmsroot[537]: audit warning: closefile /var/audit/20140314120742.20140314121204
3/14/2014 8:12:04.481 AM sessionlogoutd[538]: sessionlogoutd Launched
3/14/2014 8:12:04.497 AM loginwindow[92]: ERROR | -[Application setAppContext:] | Unable to get PID for context [0,53261]
3/14/2014 8:12:04.505 AM sessionlogoutd[538]: DEAD_PROCESS: 92 console
3/14/2014 8:12:04.541 AM gamed[530]: CKSoftwareMap: Registering with Daemon
3/14/2014 8:12:04.562 AM loginwindow[92]: ERROR | processNotificationManagerLSNotificationCallBack | LWCASProcessNotificationManager UNEXPECTED NOTIFICATION of type: kLSNotifyApplicationBirth
3/14/2014 8:12:04.593 AM airportd[113]: _doAutoJoin: Already associated to “ThompsonFamily1”. Bailing on auto-join.
3/14/2014 8:12:04.599 AM com.apple.kextd[12]: Can't create kext cache under / - owner not root.
3/14/2014 8:12:04.602 AM com.apple.kextd[12]: Rescanning kernel extensions.
3/14/2014 8:12:04.000 AM kernel[0]: Kext loading now disabled.
3/14/2014 8:12:04.000 AM kernel[0]: Kext unloading now disabled.
3/14/2014 8:12:04.000 AM kernel[0]: Kext autounloading now disabled.
3/14/2014 8:12:04.000 AM kernel[0]: Kernel requests now disabled.
3/14/2014 8:12:04.602 AM com.apple.kextd[12]: Can't create kext cache under / - owner not root.
3/14/2014 8:12:04.602 AM shutdown[539]: halt by _cvmsroot:
3/14/2014 8:12:04.602 AM shutdown[539]: SHUTDOWN_TIME: 1394799124 602127
3/14/2014 8:12:04.632 AM Dock[221]: XPC error messaging com.apple.IconServicesAgent: Connection interrupted
3/14/2014 8:12:04.632 AM Dock[221]: XPC error messaging com.apple.IconServicesAgent: Connection invalid
Any help would be appreciated,
Thanks.Select the icon of the startup volume ("Macintosh HD," unless you gave it a different name) in a Finder window and open the Info window. In the Sharing & Permissions section, what is shown under Name and Privilege?
-
I Installed OS X Yosemite on my IMac and once it restarted I only had a white screen, no place for me to log on. I called Apple Support & they told me to rest all it again, I still have only a white screen with no box to enter my passcode,
Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. -
White screen after installing yosemite
I was upgrading to yosemite and when i restarted my computer i am stuck on a blank white screen. i have tried all of the resets available and nothing is working. Any insight?
Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. -
Installing Yosemite left me with a blank white screen, and resterting was no help. Any suggestions?
I downloaded Yosemite, stratd the installatio, and left the room with 5 minutes left on the install. When I came back 10 minutes later, all I had wa a white screen. I rebooted, got the Apple graphic and loading bar, and went back to the white screen when the bar finished. Welcoming any ideas on what to try next.
Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
d. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use the technique in Step 1b, 1c, or 1d to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 11
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 12
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 13
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. -
Blank White Screens After Installing Lion in Software
Before I start, I have a Macbook Pro 5,1 -- 2.66Ghz Core2Duo with 8GB of RAM, 500GB 7200rpm HDD, and an nVidia 9600GT M Graphics card
I installed Lion. This install was an UPGRADE from 10.6.8. Most of my apps arent working at all. Adobe CS 5.5 Master Collection, Final Cut Pro, Ableton Live, and even Time Machine.
They all just open up and give me a blank white screen (literally, a window, and instead of there being stuff inside the window its just a big giant WHITE BOX OF NOTHING). Time machine actually shows me the selected finder window but i couldnt select any older time machine dates.
Additionally I tried dragging icons off the dock, and it froze up my entire machine just by dragging them off the dock. I had to right click on icons to remove them.
I finally booted up into the "Recovery HD" and recovered my Time Machine backup to Snow Leopard 10.6.8 that I was using before.
I would very much like to use Lion, but it seems to have alot of problems with my machine. Should I do a completely fresh install maybe?
Any other solutions?I have reverted to a backup from yesterday in which Lion was first installed and ran without problems. But this time, the windows of my apps were still white.
I also tried creating a new user account, thinking that there was a chance that it was a conflict with a piece of 3rd party software. Not that I can rule out software conflicts, but I still had the same problems.
So I'm now reverting to Snow Leopard. Ugh…
At least the "Recovery Partition" is pretty cool ;)
-Chris -
I have a ipod touch 4g, i just updated to ios 5.0.1 today. At the time, my battery was half way full so i had it charging. It started to install, i'm not sure if it actually did or not, but it turned off and started loading like if it were a new ipod, or like when you install new software. then the screen went blank and it restarted. it says its completely dead now but if i click the home button it turns on but goes straight to a white screen.
- If the screen remains white, let the battery fully. After charging for an hour, try a reset:
Reset iPod touch: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
And restore as necessary,
- If it is off try:
iOS: Not responding or does not turn on -
I tried to install yosemite yesterday and my computer goes through the whole installation process and then to a blank white screen. I've rebooted, I've reinstalled several times and get the same result. Two days wasted and I can't use my computer!!
I don't know if you've already resolved your problem, but I had the same thing, it took me 6 hours to fix it. I had the exact same as you, installed the update and then it went to a white screen. After trying start up holding down cmmd r or holding down the alt key to try to install it again, nothing worked, same result every time. Then an angel came to me here somewhere but I can't find it now to thank him. Start in safe mode, press shift once you hear the start up chime and hold it down until you hear it again. Installation completion box came up and it was working. turn off computer and start up again normally and all is well. Except my final cut pro x doesn't work with it, have to update that now too. same as when I updated to mavericks.
Hope this helps. -
Bootcamp wont install windows 7 "get a blank white screen"
hi i tried to bootcamp my computer everything was sweet till it goes to restart to start the windows install,when it goes to do it instead of taking the computer to the windows loading thing it is just a blank white screen pls help ive tried installing mutiple times to no avail!
You aren't telling us all the who-what-when-where
the DVD and what version and how most often -
I have tried to install Creative Cloud but I just get a blank white screen with a black Creative Cloud bar at the top. There are no options to choose 'Apps' etc. Can anyone help?
What happened yesterday may have been caused by the SOPA protest action that was joined by a lot of sites yesterday and such an action won't happen that often.
* http://en.wikipedia.org/wiki/Wikipedia:SOPA_initiative/Learn_more
*http://en.wikipedia.org/wiki/Wikipedia:Bypass_your_cache
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