Macbook Pro can only start up in safe mode

Question

Hi,My Macbook Pro has recently been freezing on a blue screen when I try and start up. I seem to only be able to start up in safe mode.I have followed some instructions found regarding the blue screen issue: deleting some files out of library/startupitems folderand managed to start up normally once, then soon after I got a message saying I need to restart my computer by holding down the power button.I am now back to having to log in using safe mode.Does anyone know how I can fix this?Macbook ProIntel core i52.53 GHz8GB ramMac OS X 10.6.8Thanks!Mike

clintonfrombirmingham · Answer

There&#x27;s something likely wrong with one or more of you startup items, then.Download and run EtreCheck and post the results in a reply.Clinton

Mike410 · Answer

This info was gathered while in safe mode:Hardware Information:          MacBook Pro (15-inch, Mid 2010)          MacBook Pro - model: MacBookPro6,2          1 2.53 GHz Intel Core i5 CPU: 2 cores          8 GB RAMVideo Information:          NVIDIA GeForce GT 330M - VRAM: 256 MB          Intel HD Graphics - VRAM: 288 MBSystem Software:          Mac OS X 10.6.8 (10K549) - Uptime: 0 days 0:8:6Disk Information:          Hitachi HTS725050A9A362 disk0 : (465.76 GB)                    (null) (disk0s1) &lt;not mounted&gt;: 200 MB                    Macintosh HD (disk0s2) /: 465.44 GB (75.69 GB free)          MATSHITADVD-R   UJ-898 USB Information:          Apple Internal Memory Card Reader          Apple Inc. BRCM2070 Hub                    Apple Inc. Bluetooth USB Host Controller          Apple Inc. Apple Internal Keyboard / Trackpad          Apple Computer, Inc. IR Receiver          Apple Inc. Built-in iSightFireWire Information:Thunderbolt Information:Kernel Extensions:Problem System Launch Daemons:          [not loaded] org.samba.winbindd.plistProblem System Launch Agents:          [failed] com.apple.Kerberos.renew.plistLaunch Daemons:          [not loaded] com.adobe.fpsaud.plist          [not loaded] com.adobe.SwitchBoard.plist          [not loaded] com.bombich.ccc.plist          [not loaded] com.google.keystone.daemon.plist          [not loaded] com.microsoft.office.licensing.helper.plist          [not loaded] com.teamviewer.teamviewer_service.plistLaunch Agents:          [not loaded] com.adobe.AAM.Updater-1.0.plist          [not loaded] com.adobe.CS5ServiceManager.plist          [not loaded] com.extensis.FMCore.plist          [not loaded] com.google.keystone.agent.plist          [not loaded] com.Logitech.Control Center.Daemon.plist          [not loaded] com.teamviewer.teamviewer.plist          [not loaded] com.teamviewer.teamviewer_desktop.plist          [not loaded] com.wacom.wacomtablet.plistUser Launch Agents:          [not loaded] com.adobe.ARM.df0ab5bbe6f698196fcc21e3c1e66dcb758bd911f4d637272d9d8109.plistUser Login Items:          None3rd Party Preference Panes:          Flash Player          FUSE for OS X (OSXFUSE)          Growl          Logitech Control Center          WacomTabletInternet Plug-ins:          AdobePDFViewer.plugin          CANONiMAGEGATEWAYDL.plugin          CANONiMAGEGATEWAYLI.plugin          Flash Player.plugin          FlashPlayer-10.6.plugin          iPhotoPhotocast.plugin          JavaAppletPlugin.plugin          QuickTime Plugin.plugin          SharePointBrowserPlugin.plugin          Silverlight.plugin          WacomNetscape.plugin          WacomTabletPlugin.pluginUser Internet Plug-ins:Bad Fonts:          NoneTop Processes by CPU:              96%          genatsdb              18%          Finder              17%          WebProcess              15%          WindowServer               8%          EtreCheck               6%          syslogd               2%          hidd               1%          fontd               0%          lsregister               0%          coreservicesdTop Processes by Memory:          206 MB             WebProcess          188 MB             Safari          115 MB             Safari Webpage Preview Fetcher          66 MB              quicklookd          57 MB              EtreCheck          49 MB              genatsdb          49 MB              Finder          41 MB              WindowServer          33 MB              Dock          33 MB              SystemUIServerVirtual Memory Statistics          360 MB             Free RAM          757 MB             Active RAM          950 MB             Inactive RAM          5.98 GB            Wired RAM          434 MB             Page-ins          12 KB              Page-outs

clintonfrombirmingham · Answer

You could be having problems with the Logitech or Wacom drivers. Try moving these kexts (usually found in System&gt;Libary&gt;Extensions) to a folder on your Desktop and reboot in normal mode.Clinton

Mike410 · Answer

Hi Clinton,So I found:LogitechHIDDevices.kextLogitechUnifying.kextLogitechForceFeedback.kextWacom Tablet.kextwhere you said, and copied into a folder on desktop then, deleted them from the systems folder. I restarted in normal mode, but got stuck on the blue screen again.Any other ideas?Thanks for your help,Mike

clintonfrombirmingham · Answer

Any other ideas?Not really - if you&#x27;ve moved those items and they don&#x27;t load at startup, your problem likely lies with some other kexts that are loading in your user account. The only thing that I can suggest is a clean installation of OS X and all of your apps, data, etc. (assuming that you have backups?) by wiping your drive and resinatlling.Clinton

Mike410 · Answer

I haven&#x27;t made a backup recently, can one be made in safe mode to an external hard drive?

clintonfrombirmingham · Answer

Yes. If I were you, I would only copy data - and resinatll all apps (I know it&#x27;s a pain, but you&#x27;ll have a clean system which should work).Clinton

Mike410 · Answer

My external hard drives are not showing up on desktop when I plug them in in safe mode?They are showing up in disk utility.Is there a way around this so I can back up my data?Thanks

iheartapple1970 · Answer

the following article addresses the blue screen at startup issue you described: http://support.apple.com/kb/PH11043also this article explains safe mode and what functions you have when booted to this mode: http://support.apple.com/kb/HT1564

Mike410 · Answer

Thanks,I have read those. The safe mode article doesn&#x27;t specifically say whether external hard drives will work. It mentions external modems won&#x27;t work and mounting time capsule disks will be disabled. Not sure if those refer to an external usb hard drive.Because I have not backed up my files in a while, I would like to back them up before I have to resort to reinstalling OS X.If anyone knows a way to do this it would be greatly appreciated!

Mike410 · Answer

Here is another etre check:Hardware Information:          MacBook Pro (15-inch, Mid 2010)          MacBook Pro - model: MacBookPro6,2          1 2.53 GHz Intel Core i5 CPU: 2 cores          8 GB RAMVideo Information:          NVIDIA GeForce GT 330M - VRAM: 256 MB          Intel HD Graphics - VRAM: 288 MBSystem Software:          Mac OS X 10.6.8 (10K549) - Uptime: 0 days 0:35:57Disk Information:          Hitachi HTS725050A9A362 disk0 : (465.76 GB)                    (null) (disk0s1) &lt;not mounted&gt;: 200 MB                    Macintosh HD (disk0s2) /: 465.44 GB (75.47 GB free)          MATSHITADVD-R   UJ-898 USB Information:          HitachiGST SimpleDrive USB 2.0 931.51 GB                    HITACHI (disk1s1) &lt;not mounted&gt;: 931.51 GB          Apple Inc. Apple Internal Keyboard / Trackpad          Apple Internal Memory Card Reader          Apple Inc. BRCM2070 Hub                    Apple Inc. Bluetooth USB Host Controller                   USB DISK 2.0 7.47 GB                    USB2 (disk2s1) &lt;not mounted&gt;: 7.46 GB          Apple Inc. Built-in iSight          Apple Computer, Inc. IR ReceiverFireWire Information:Thunderbolt Information:Kernel Extensions:Problem System Launch Daemons:          [failed] com.apple.suhelperd.plist          [not loaded] org.samba.winbindd.plistProblem System Launch Agents:          [failed] com.apple.Kerberos.renew.plistLaunch Daemons:          [not loaded] com.adobe.fpsaud.plist          [not loaded] com.adobe.SwitchBoard.plist          [not loaded] com.bombich.ccc.plist          [not loaded] com.google.keystone.daemon.plist          [not loaded] com.microsoft.office.licensing.helper.plist          [not loaded] com.teamviewer.teamviewer_service.plistLaunch Agents:          [not loaded] com.adobe.AAM.Updater-1.0.plist          [not loaded] com.adobe.CS5ServiceManager.plist          [not loaded] com.extensis.FMCore.plist          [not loaded] com.google.keystone.agent.plist          [not loaded] com.Logitech.Control Center.Daemon.plist          [not loaded] com.teamviewer.teamviewer.plist          [not loaded] com.teamviewer.teamviewer_desktop.plist          [not loaded] com.wacom.wacomtablet.plistUser Launch Agents:          [not loaded] com.adobe.ARM.df0ab5bbe6f698196fcc21e3c1e66dcb758bd911f4d637272d9d8109.plistUser Login Items:          None3rd Party Preference Panes:          Flash Player          FUSE for OS X (OSXFUSE)          Growl          Logitech Control Center          WacomTabletInternet Plug-ins:          AdobePDFViewer.plugin          CANONiMAGEGATEWAYDL.plugin          CANONiMAGEGATEWAYLI.plugin          Flash Player.plugin          FlashPlayer-10.6.plugin          iPhotoPhotocast.plugin          JavaAppletPlugin.plugin          QuickTime Plugin.plugin          SharePointBrowserPlugin.plugin          Silverlight.plugin          WacomNetscape.plugin          WacomTabletPlugin.pluginUser Internet Plug-ins:Bad Fonts:          NoneTop Processes by CPU:               7%          EtreCheck               6%          syslogd               4%          WindowServer               1%          fontd               0%          WebProcess               0%          usbmuxdTop Processes by Memory:          287 MB             WebProcess          213 MB             Safari          57 MB              EtreCheck          57 MB              Finder          33 MB              Dock          33 MB              SystemUIServer          33 MB              WindowServer          25 MB              coreservicesd          25 MB              System Events          25 MB              SecurityAgentVirtual Memory Statistics          817 MB             Free RAM          550 MB             Active RAM          686 MB             Inactive RAM          5.99 GB            Wired RAM          610 MB             Page-ins          25 MB              Page-outsThese two things failed. I have no idea what they are:Problem System Launch Daemons:  [failed] com.apple.suhelperd.plistProblem System Launch Agents:  [failed] com.apple.Kerberos.renew.plist

iheartapple1970 · Answer

if you have another mac computer you can try target disk mode to try and recover the data on the mac, the following article tells how to do this: http://support.apple.com/kb/PH10725also some apple service providers offer data recovery services for a fee as well. the following site gives listing of these near you: https://locate.apple.comgood luck

Mike410 · Answer

Thanks, will take it into apple to see what they can do.

vajdagabor · Answer

Dear Clinton,I am having similar problems. Could you please help me out. Much appreciated!Hardware Information:          MacBook Pro (15-inch Core 2 Duo)          MacBook Pro - model: MacBookPro2,2          1 2.16 GHz Intel Core 2 Duo CPU: 2 cores          3 GB RAMVideo Information:          ATY,RadeonX1600 - VRAM: 128 MBSystem Software:          Mac OS X 10.7.5 (11G63) - Uptime: 0 days 0:56:56Disk Information:          WDC WD3200BEVT-22A0RT0 disk0 : (320.07 GB)                    disk0s1 (disk0s1) &lt;not mounted&gt;: 209.7 MB                    Macintosh HD (disk0s2) /: 319.21 GB (11.43 GB free)                    Recovery HD (disk0s3) &lt;not mounted&gt;: 650 MBUSB Information:          Micron Built-in iSight          Apple Computer, Inc. IR Receiver          Apple Inc. Bluetooth USB Host Controller          Apple Computer Apple Internal Keyboard / TrackpadFireWire Information:Thunderbolt Information:Kernel Extensions:Problem System Launch Daemons:          [not loaded] ftp-proxy.plistProblem System Launch Agents:Launch Daemons:          [not loaded] com.adobe.fpsaud.plist          [not loaded] com.adobe.SwitchBoard.plist          [not loaded] com.google.keystone.daemon.plist          [not loaded] logKext.plistLaunch Agents:          [not loaded] com.adobe.AAM.Updater-1.0.plist          [not loaded] com.adobe.CS5ServiceManager.plist          [not loaded] com.google.keystone.agent.plistUser Launch Agents:          [not loaded] com.ab.kl.plist          [not loaded] com.adobe.AAM.Updater-1.0.plist          [not loaded] com.apple.CSConfigDotMacCert-[redacted]@me.com-SharedServices.Agent.plist          [not loaded] com.divx.agent.postinstall.plist          [not loaded] com.valvesoftware.steamclean.plistUser Login Items:          Steam          iTunesHelper          Dropbox          Google Drive3rd Party Preference Panes:          DivX          Flash Player          Flip4Mac WMV          Growl          JavaInternet Plug-ins:          DivXBrowserPlugin.plugin          Flash Player.plugin          FlashPlayer-10.6.plugin          Flip4Mac WMV Plugin.plugin          JavaAppletPlugin.plugin          OVSHelper.plugin          QuickTime Plugin.plugin          Silverlight.pluginUser Internet Plug-ins:Bad Fonts:          NoneTop Processes by CPU:               2%          EtreCheck               1%          WindowServer               1%          fontd               0%          ps               0%          iTunes               0%          ManagedClient               0%          writeconfigTop Processes by Memory:          181 MB             System Preferences          138 MB             iTunes          114 MB             Google Chrome          101 MB             Finder          61 MB              WindowServer          61 MB              Dock          61 MB              DashboardClient          55 MB              SystemUIServer          46 MB              Google Chrome Helper          46 MB              EtreCheckVirtual Memory Statistics          1.44 GB            Free RAM          1.11 GB            Active RAM          148 MB             Inactive RAM          306 MB             Wired RAM          460 MB             Page-ins          0 B                Page-outs