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iMac late 2009, screen blacks out running Yosemite 10.10.2

My iMac's screen blacks out for no apparent reason, and the computer is still running normally. But I can't see it.

I thought temperatures were to blame, resetted fans with Macs fan control to speeds, where everything is nice and cool, the problem persists.

The screen might black out, for no apparent reason while working, or when idle. Trying to restart manually, it might black out while in the login screen, or even the apple logo. Or it might even restart normally and work for 8 hours. I have been trying to leave login items out, even Macs fan control an iStats, and the problem remains.

If I clear PRAM while rebooting, I might get a new lease of working life, but not persistently.

The problem started around two months AFTER I installed yosemite and with no new programs installed at the time.

Please Help.

iMac, OS X Yosemite (10.10.2)

Posted on Apr 1, 2015 2:36 AM

Reply
1 reply

Apr 1, 2015 5:24 AM in response to alexmach3000

And an Etrecheck


Problem description:

iMac screen blacks out in yosemite


EtreCheck version: 2.1.8 (121)

Report generated 1April, 2015 at 15:20:46 GMT+3

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

iMac (27-inch, Late 2009) (Technical Specifications)

iMac - model: iMac10,1

1 3.06 GHz Intel Core 2 Duo CPU: 2-core

8 GB RAM Upgradeable

BANK 0/DIMM0

2 GB DDR3 1067 MHz ok

BANK 1/DIMM0

2 GB DDR3 1067 MHz ok

BANK 0/DIMM1

2 GB DDR3 1067 MHz ok

BANK 1/DIMM1

2 GB DDR3 1067 MHz ok

Bluetooth: Old - Handoff/Airdrop2 not supported

Wireless: en1: 802.11 a/b/g/n


Video Information: ℹ️

ATI Radeon HD 4850 - VRAM: 512 MB

iMac 2560 x 1440


System Software: ℹ️

OS X 10.10.2 (14C1514) - Time since boot: 1:12:55


Disk Information: ℹ️

Hitachi HDE721010SLA330 disk0 : (1 TB)

EFI (disk0s1) <not mounted> : 210 MB

Macintosh HD (disk0s2) / : 999.21 GB (554.08 GB free)

Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB


OPTIARC DVD RW AD-5680H


USB Information: ℹ️

Logitech USB Receiver

Apple Inc. Built-in iSight

Generic USB Storage

Apple Internal Memory Card Reader

Microsoft Wired Keyboard 600

Apple Computer, Inc. IR Receiver

Apple Inc. BRCM2046 Hub

Apple Inc. Bluetooth USB Host Controller


Gatekeeper: ℹ️

Anywhere


Kernel Extensions: ℹ️

/Library/Application Support/Avast/components/fileshield/unsigned

[loaded] com.avast.AvastFileShield (2.1.0 - SDK 10.10) [Click for support]


/Library/Application Support/Avast/components/proxy/unsigned

[loaded] com.avast.PacketForwarder (2.0 - SDK 10.10) [Click for support]


/Library/Extensions

[loaded] com.driver.LogJoystick (2.0 - SDK 10.9) [Click for support]

[loaded] com.logitech.driver.LogiGamingMouseFilter (1 - SDK 10.8) [Click for support]


/Users/[redacted]/Library/Services/ToastIt.service/Contents/MacOS

[not loaded] com.roxio.TDIXController (2.0) [Click for support]


Startup Items: ℹ️

TuxeraNTFSUnmountHelper: Path: /Library/StartupItems/TuxeraNTFSUnmountHelper

Startup items are obsolete in OS X Yosemite


Launch Agents: ℹ️

[not loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]

[running] com.avast.update-agent.plist [Click for support]

[loaded] com.avast.userinit.plist [Click for support]

[running] com.bjango.istatmenusagent.plist [Click for support]

[running] com.bjango.istatmenusnotifications.plist [Click for support]


Launch Daemons: ℹ️

[loaded] com.adobe.fpsaud.plist [Click for support]

[loaded] com.avast.init.plist [Click for support]

[loaded] com.avast.uninstall.plist [Click for support]

[loaded] com.avast.update.plist [Click for support]

[running] com.bjango.istatmenusdaemon.plist [Click for support]

[running] com.bombich.ccchelper.plist [Click for support]

[loaded] com.torch.update.agent.plist [Click for support]

[loaded] net.freemacsoft.LiteIcon.LIHelperTool.plist [Click for support]


User Launch Agents: ℹ️

[loaded] com.adobe.AAM.Updater-1.0.plist [Click for support]

[loaded] com.avast.home.userinit.plist [Click for support]

[loaded] com.google.keystone.agent.plist [Click for support]

[failed] com.jdibackup.ZipCloud.autostart.plist [Click for support]

[loaded] com.jdibackup.ZipCloud.backupstart.plist [Click for support]

[failed] com.jdibackup.ZipCloud.notify.plist [Click for support]


User Login Items: ℹ️

Macs Fan Control Application (/Applications/Macs Fan Control.app)

Dropbox Application (/Applications/Dropbox.app)

Logitech Gaming Software Application Hidden (/Applications/Logitech/Logitech Gaming Software.app)


Internet Plug-ins: ℹ️

FlashPlayer-10.6: Version: 17.0.0.134 - SDK 10.6 [Click for support]

QuickTime Plugin: Version: 7.7.3

Flash Player: Version: 17.0.0.134 - SDK 10.6 [Click for support]

Default Browser: Version: 600 - SDK 10.10

Unity Web Player: Version: UnityPlayer version 4.6.1f1 - SDK 10.6 [Click for support]

Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]

JavaAppletPlugin: Version: 15.0.0 - SDK 10.10 Check version


User internet Plug-ins: ℹ️

RealPlayer Plugin: Version: Unknown [Click for support]

Google Earth Web Plug-in: Version: 7.1 [Click for support]


Safari Extensions: ℹ️

AllMyTube

GMail Counter

SPOI Options

Ultimate Status Bar

SuperDrag

Stop/Reload Button

AdBlock

YoutubeWide

Magic Scroll

ZoomBySite

AllPagesZoom

ClickToFlash


Audio Plug-ins: ℹ️

DVCPROHDAudio: Version: 1.3.2


3rd Party Preference Panes: ℹ️

Flash Player [Click for support]

Perian [Click for support]

Tuxera NTFS [Click for support]


Time Machine: ℹ️

Time Machine not configured!


Top Processes by CPU: ℹ️

9% mds

5% WindowServer

3% storedownloadd

3% MacsFanControl

2% com.avast.proxy


Top Processes by Memory: ℹ️

438 MB softwareupdated

292 MB Safari

163 MB com.avast.daemon

160 MB com.apple.WebKit.WebContent

112 MB iStatMenusDaemon


Virtual Memory Information: ℹ️

3.28 GB Free RAM

3.84 GB Active RAM

624 MB Inactive RAM

739 MB Wired RAM

2.52 GB Page-ins

53 MB Page-outs


Diagnostics Information: ℹ️

Apr 1, 2015, 02:05:41 PM Self test - passed

Apr 1, 2015, 11:51:03 AM /Library/Logs/DiagnosticReports/com.apple.AmbientDisplayAgent_2015-04-01-115103 _[redacted].crash

Mar 31, 2015, 04:43:57 PM /Library/Logs/DiagnosticReports/ntfs-3g_2015-03-31-164357_[redacted].crash

Mar 31, 2015, 04:39:52 PM /Library/Logs/DiagnosticReports/ntfs-3g_2015-03-31-163952_[redacted].crash

Mar 31, 2015, 12:38:13 PM /Library/Logs/DiagnosticReports/ntfs-3g_2015-03-31-123813_[redacted].crash

Mar 31, 2015, 04:16:25 AM /Users/[redacted]/Library/Logs/DiagnosticReports/garcon_2015-03-31-041625_[reda cted].crash

Mar 31, 2015, 03:06:27 AM /Library/Logs/DiagnosticReports/com.apple.AmbientDisplayAgent_2015-03-31-030627 _[redacted].crash

iMac late 2009, screen blacks out running Yosemite 10.10.2

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