I have the same problem. but after a couple of trial i am able to boot my system after that i scan my mac with EtreCheck. Blow is the report for my Mac. Can anybody explain me the cause of this?
here i am submitting my EtireCheck report of my macbook pro late 2011.
Problem description:
Booting trouble grey horizontal lines appear and grey blanc screen
EtreCheck version: 2.1.8 (121)
Report generated 13 March 2015 1:54:23 pm IST
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
MacBook Pro (15-inch, Late 2011) (Technical Specifications)
MacBook Pro - model: MacBookPro8,2
1 2.4 GHz Intel Core i7 CPU: 4-core
4 GB RAM Upgradeable
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Battery Health: Normal - Cycle count 880
Video Information: ℹ️
Intel HD Graphics 3000 - VRAM: 384 MB
Color LCD 1440 x 900
AMD Radeon HD 6770M - VRAM: 1024 MB
System Software: ℹ️
OS X 10.10.2 (14C1510) - Time since boot: 0:47:3
Disk Information: ℹ️
TOSHIBA MK7559GSXF disk0 : (750.16 GB)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / : 748.93 GB (329.41 GB free)
Encrypted AES-XTS Unlocked
Core Storage: disk0s2 749.30 GB Online
MATSHITADVD-R UJ-8A8
USB Information: ℹ️
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. Apple Internal Keyboard / Trackpad
Microsoft Microsoft® Nano Transceiver v2.0
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Configuration files: ℹ️
/etc/sysctl.conf - Exists
/etc/hosts - Count: 17
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/Library/Application Support/HASP/kexts
[not loaded] com.aladdin.kext.aksfridge (1.0.2) [Click for support]
/Library/Application Support/Hotspot Shield
[not loaded] com.anchorfree.tun (1.1.1 - SDK 10.8) [Click for support]
/Library/Application Support/Quick Heal
[loaded] com.quickheal.driver.rtsysflt (1.1) [Click for support]
[loaded] com.quickheal.nke.emlprosf (1.0) [Click for support]
[loaded] com.quickheal.nke.websecsf (1.0) [Click for support]
/Library/Application Support/Roxio
[not loaded] com.roxio.TDIXController (2.0) [Click for support]
/Library/Extensions
[loaded] com.sophos.kext.sav (9.2.50 - SDK 10.8) [Click for support]
[loaded] com.sophos.nke.swi (9.2.50 - SDK 10.8) [Click for support]
/Library/Extensions/HuaweiDataCardDriver_10_9.kext/Contents/PlugIns
[not loaded] com.MBB.driver.MBBACMData (5.01.01 - SDK 10.8) [Click for support]
[not loaded] com.MBB.driver.MBBActivateDriver (5.01.00 - SDK 10.8) [Click for support]
[not loaded] com.MBB.driver.MBBEthernetData (5.01.01 - SDK 10.8) [Click for support]
/System/Library/Extensions
[not loaded] com.ZTE.driver.ModemDriverMac (1.0.2d1) [Click for support]
Problem System Launch Agents: ℹ️
[killed] com.apple.coreservices.appleid.authentication.plist
[killed] com.apple.security.cloudkeychainproxy.plist
2 processes killed due to memory pressure
Problem System Launch Daemons: ℹ️
[killed] com.apple.ctkd.plist
[killed] com.apple.findmymac.plist
[killed] com.apple.ifdreader.plist
[killed] com.apple.nehelper.plist
[killed] com.apple.nsurlsessiond.plist
[killed] com.apple.wdhelper.plist
[killed] com.apple.xpc.smd.plist
[killed] org.cups.cupsd.plist
8 processes killed due to memory pressure
Launch Agents: ℹ️
[not loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
[running] com.adobe.AdobeCreativeCloud.plist [Click for support]
[running] com.bjango.istatmenusagent.plist [Click for support]
[running] com.bjango.istatmenusnotifications.plist [Click for support]
[loaded] com.google.keystone.agent.plist [Click for support]
[loaded] com.oracle.java.Java-Updater.plist [Click for support]
[loaded] com.quickheal.avstatus.plist [Click for support]
[loaded] com.quickheal.strtupap.plist [Click for support]
[running] com.sophos.uiserver.plist [Click for support]
[not loaded] com.teamviewer.teamviewer.plist [Click for support]
[not loaded] com.teamviewer.teamviewer_desktop.plist [Click for support]
[running] com.uc.NotifiTest.plist [Click for support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Click for support]
[loaded] com.anchorfree.ajaxserver.plist [Click for support]
[running] com.bjango.istatmenusdaemon.plist [Click for support]
[running] com.fxtech.fxlm.plist [Click for support]
[loaded] com.google.keystone.daemon.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2.Agent.plist [Click for support]
[loaded] com.microsoft.office.licensing.helper.plist [Click for support]
[loaded] com.oracle.java.Helper-Tool.plist [Click for support]
[loaded] com.oracle.java.JavaUpdateHelper.plist [Click for support]
[running] com.quickheal.emlprod.plist [Click for support]
[running] com.quickheal.opssvc.plist [Click for support]
[running] com.quickheal.qhhlpsvc.plist [Click for support]
[running] com.sophos.common.servicemanager.plist [Click for support]
[loaded] com.teamviewer.Helper.plist [Click for support]
[not loaded] com.teamviewer.teamviewer_service.plist [Click for support]
User Launch Agents: ℹ️
[loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]
[loaded] com.adobe.ARM.[...].plist [Click for support]
[loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist [Click for support]
[loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist [Click for support]
User Login Items: ℹ️
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Sophos Anti-Virus Application (/Applications/Sophos Anti-Virus.app)
younity Application (/Users/[redacted]/Applications/younity.app)
Internet Plug-ins: ℹ️
AdobeExManDetect: Version: AdobeExManDetect 1.1.0.0 - SDK 10.7 [Click for support]
FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]
AdobeAAMDetect: Version: AdobeAAMDetect 2.0.0.0 - SDK 10.7 [Click for support]
AdobePDFViewerNPAPI: Version: 11.0.10 - SDK 10.6 [Click for support]
AdobePDFViewer: Version: 11.0.10 - SDK 10.6 [Click for support]
Flash Player: Version: 16.0.0.305 - SDK 10.6 Outdated! Update
Default Browser: Version: 600 - SDK 10.10
QuickTime Plugin: Version: 7.7.3
Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]
JavaAppletPlugin: Version: Java 8 Update 31 Check version
Safari Extensions: ℹ️
Instapaper
Dictionary
Save to Pocket
Pinterest
YoutubeWide
Tumblr+
3rd Party Preference Panes: ℹ️
Flash Player [Click for support]
Growl [Click for support]
Java [Click for support]
Perian [Click for support]
Time Machine: ℹ️
Skip System Files: NO
Mobile backups: OFF
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 748.93 GB Disk used: 419.51 GB
Destinations:
Data [Network]
Total size: 2.00 TB
Total number of backups: 0
Oldest backup: -
Last backup: -
Size of backup disk: Adequate
Backup size 2.00 TB > (Disk used 419.51 GB X 3)
Top Processes by CPU: ℹ️
23% WindowServer
4% CalendarAgent
3% SystemUIServer
2% CleanMyMac 2
1% InterCheck
Top Processes by Memory: ℹ️
309 MB clamd
107 MB spindump
107 MB swupd_syncd
90 MB amavisd (master)
82 MB SystemUIServer
Virtual Memory Information: ℹ️
27 MB Free RAM
1.03 GB Active RAM
1.04 GB Inactive RAM
1.07 GB Wired RAM
6.86 GB Page-ins
825 MB Page-outs
Diagnostics Information: ℹ️
Mar 13, 2015, 12:48:23 PM Self test - passed
Mar 13, 2015, 01:11:00 AM /Library/Logs/DiagnosticReports/Kernel_2015-03-13-011100_[redacted].panic [Click for details]
Mar 13, 2015, 01:00:21 AM /Library/Logs/DiagnosticReports/Kernel_2015-03-13-010021_[redacted].panic [Click for details]
Mar 12, 2015, 11:16:23 AM /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-03-12-111623_[ redacted].hang
Mar 12, 2015, 11:16:21 AM /Library/Logs/DiagnosticReports/Safari_2015-03-12-111621_[redacted].hang
Mar 10, 2015, 10:58:32 PM /Library/Logs/DiagnosticReports/SophosAVAgent_2015-03-10-225832_[redacted].cras h
Mar 10, 2015, 10:23:52 PM /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-03-10-222352_[ redacted].cpu_resource.diag [Click for details]
Mar 10, 2015, 09:10:01 PM /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2015-03-10-211001_[ redacted].cpu_resource.diag [Click for details]
Mar 10, 2015, 06:04:31 PM /Library/Logs/DiagnosticReports/SophosAVAgent_2015-03-10-180431_[redacted].cras h
Mar 10, 2015, 05:59:35 PM /Library/Logs/DiagnosticReports/SophosAVAgent_2015-03-10-175935_[redacted].cras h
Mar 10, 2015, 04:04:36 PM /Library/Logs/DiagnosticReports/SophosAVAgent_2015-03-10-160436_[redacted].cras h