Premiere Pro is going to sleep and not waking up?

If I leave it for any time while I am working in another application and come back to it, the program refuses to play back. Shutting down the software and restarting doesn't work either, rebooting the machine seems to be the only fix. I am cutting on an i7 iMac with 32 Gb ram and using two thunderbolt equipped RAID drives. This isqsue shappens irrespective of whether the media is held on the external drive or on the internal HD?

I found a solution to another problem with PP maybe it will help you as well. Try to turn of any setting in you graphic card that has to do with OpenGL and see if that helps.
I am using PP CS6, Win7 and a nVidia Quadro1000M. Maybe it will also work on an iMac with ATI graphics.
For more information see this post: http://forums.adobe.com/message/5884237#5884237
Let me know if this helped.

Similar Messages

Computer randomly goes to sleep and not waking up

My computer randomly goes to sleep-while I'm using it, and it won't wake up. Any suggestions? Is it something I'm doing?

Check temperatures by using Temperature Monitor -application. Atleast Macbook did this when there was problem with temps, cleaning heat sink and reapplying thermal solved the problem. G5 -based iMacs are known for running very hot temperatures and there was all kinds of motherboard failures as well as power supplies going bad.

MacBook Pro went for sleep and not waking up

mAC bOOK pRO WENT TO SLEEP AND NOT WAKING UP

Contact Apple.
You can try Reset SMC
http://support.apple.com/kb/HT3964

Macbook Pro Randomly Goes to Sleep and Wont Wake Up

My Macbook Pro started having this problem a few months ago and it has gotten progressivly worse and worse. It will randomly go to sleep but I wont be able to wake it back up. The keys are lit up and the light on the front is pulsing, but no matter what I do it wont wake up. So I have to do a hard reset to turn it back on. This happens a few times a day so its pretty infuriating. I have read on other forums about people having this same problem but havent been able to find a solid solution.
Here is what kind of Macbook I have:
And here is the error report that I get once I restart my computer:
Interval Since Last Panic Report: 31393 sec
Panics Since Last Report:          1
Anonymous UUID:                    2A38817B-6AB8-4315-89C6-23BAD302635F
Thu Oct 25 18:07:56 2012
panic(cpu 3 caller 0xffffff7f80926007): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0xffffff809fb4f000 0x0a5480a2, D0, P3/4
Backtrace (CPU 3), Frame : Return Address
0xffffff8076462a00 : 0xffffff8000220792
0xffffff8076462a80 : 0xffffff7f80926007
0xffffff8076462b10 : 0xffffff7f80a1eb83
0xffffff8076462b70 : 0xffffff7f80a1ebf7
0xffffff8076462be0 : 0xffffff7f80d20855
0xffffff8076462d20 : 0xffffff7f80a42ddd
0xffffff8076462d50 : 0xffffff7f8092fd6a
0xffffff8076462e00 : 0xffffff7f8092b43c
0xffffff8076462ff0 : 0xffffff7f8092c668
0xffffff80764630c0 : 0xffffff7f81e52f36
0xffffff8076463200 : 0xffffff7f81e530e9
0xffffff8076463210 : 0xffffff7f81e82fab
0xffffff80764637e0 : 0xffffff7f81e10ef8
0xffffff8076463860 : 0xffffff7f81e13c07
0xffffff80764638a0 : 0xffffff7f81e5cf40
0xffffff80764638f0 : 0xffffff7f81e1133c
0xffffff8076463930 : 0xffffff7f81e070d7
0xffffff8076463aa0 : 0xffffff7f81e4bd6d
0xffffff8076463b60 : 0xffffff7f81e04346
0xffffff8076463bc0 : 0xffffff8000655f3e
0xffffff8076463be0 : 0xffffff800065681a
0xffffff8076463c40 : 0xffffff8000656fbb
0xffffff8076463d80 : 0xffffff80002a3f08
0xffffff8076463e80 : 0xffffff8000223096
0xffffff8076463eb0 : 0xffffff80002148a9
0xffffff8076463f10 : 0xffffff800021bbd8
0xffffff8076463f70 : 0xffffff80002aef10
0xffffff8076463fb0 : 0xffffff80002daec3
      Kernel Extensions in backtrace:
         com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f808 bf000->0xffffff7f80bbafff
            dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f80849000
            dependency: com.apple.iokit.IONDRVSupport(2.3.4)[7C8672C4-8B0D-3CCF-A79A-23C62E90F895]@0xff ffff7f808ad000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[D0A1F6BD-E66E-3DD8-9913-A3AB8746F422]@0 xffffff7f80874000
         com.apple.nvidia.nv50hal(7.3.2)[38ACBB3D-4E3C-3883-9A4B-67F15592905F]@0xffffff7 f80bbb000->0xffffff7f80eddfff
            dependency: com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f808 bf000
            dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f80849000
         com.apple.GeForce(7.3.2)[7E1D7726-416F-3716-ACCB-E1E276E35002]@0xffffff7f81df90 00->0xffffff7f81ebbfff
            dependency: com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f808 bf000
            dependency: com.apple.iokit.IONDRVSupport(2.3.4)[7C8672C4-8B0D-3CCF-A79A-23C62E90F895]@0xff ffff7f808ad000
            dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f80849000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[D0A1F6BD-E66E-3DD8-9913-A3AB8746F422]@0 xffffff7f80874000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
11G63
Kernel version:
Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5
System model name: MacBookPro6,2 (Mac-F22586C8)
System uptime in nanoseconds: 18534465488729
last loaded kext at 5206568982077: com.apple.driver.AppleUSBCDC    4.1.22 (addr 0xffffff7f80795000, size 16384)
last unloaded kext at 5267055475083: com.apple.driver.AppleUSBCDC    4.1.22 (addr 0xffffff7f80795000, size 12288)
loaded kexts:
com.apple.driver.AppleHWSensor    1.9.5d0
com.apple.driver.AudioAUUC    1.59
com.apple.driver.AppleMikeyHIDDriver    122
com.apple.driver.AppleHDA    2.2.5a5
com.apple.driver.AppleUpstreamUserClient    3.5.9
com.apple.driver.AppleMikeyDriver    2.2.5a5
com.apple.driver.AGPM    100.12.75
com.apple.driver.AppleIntelHDGraphics    7.3.2
com.apple.driver.AppleIntelHDGraphicsFB    7.3.2
com.apple.driver.SMCMotionSensor    3.0.2d6
com.apple.driver.AppleSMCPDRC    5.0.0d8
com.apple.iokit.IOUserEthernet    1.0.0d1
com.apple.GeForce    7.3.2
com.apple.iokit.IOBluetoothSerialManager    4.0.8f17
com.apple.driver.AppleSMCLMU    2.0.1d2
com.apple.Dont_Steal_Mac_OS_X    7.0.0
com.apple.driver.AudioIPCDriver    1.2.3
com.apple.driver.AppleMuxControl    3.1.33
com.apple.driver.ApplePolicyControl    3.1.33
com.apple.driver.ACPI_SMC_PlatformPlugin    5.0.0d8
com.apple.driver.AppleLPC    1.6.0
com.apple.driver.AppleMCCSControl    1.0.33
com.apple.filesystems.autofs    3.0
com.apple.driver.AppleUSBTCButtons    227.6
com.apple.driver.BroadcomUSBBluetoothHCIController    4.0.8f17
com.apple.driver.AppleUSBTCKeyboard    227.6
com.apple.driver.AppleUSBCardReader    3.0.6
com.apple.driver.AppleIRController    312
com.apple.iokit.SCSITaskUserClient    3.2.1
com.apple.driver.XsanFilter    404
com.apple.iokit.IOAHCISerialATAPI    2.0.3
com.apple.iokit.IOAHCIBlockStorage    2.1.0
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless    1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib    1.0.0d1
com.apple.BootCache    33
com.apple.driver.AppleSmartBatteryManager    161.0.0
com.apple.driver.AppleFWOHCI    4.9.0
com.apple.driver.AirPort.Brcm4331    561.7.22
com.apple.iokit.AppleBCM5701Ethernet    3.2.4b8
com.apple.driver.AppleUSBHub    5.1.0
com.apple.driver.AppleEFINVRAM    1.6.1
com.apple.driver.AppleAHCIPort    2.3.1
com.apple.driver.AppleACPIButtons    1.5
com.apple.driver.AppleUSBEHCI    5.1.0
com.apple.driver.AppleRTC    1.5
com.apple.driver.AppleHPET    1.7
com.apple.driver.AppleSMBIOS    1.9
com.apple.driver.AppleACPIEC    1.5
com.apple.driver.AppleAPIC    1.6
com.apple.driver.AppleIntelCPUPowerManagementClient    195.0.0
com.apple.nke.applicationfirewall    3.2.30
com.apple.security.quarantine    1.4
com.apple.security.TMSafetyNet    8
com.apple.driver.AppleIntelCPUPowerManagement    195.0.0
com.apple.driver.DspFuncLib    2.2.5a5
com.apple.iokit.IOSurface    80.0.2
com.apple.iokit.IOFireWireIP    2.2.5
com.apple.iokit.IOSerialFamily    10.0.5
com.apple.iokit.IOAudioFamily    1.8.6fc18
com.apple.kext.OSvKernDSPLib    1.3
com.apple.driver.AppleHDAController    2.2.5a5
com.apple.iokit.IOHDAFamily    2.2.5a5
com.apple.driver.AppleGraphicsControl    3.1.33
com.apple.driver.AppleBacklightExpert    1.0.4
com.apple.driver.AppleSMBusPCI    1.0.10d0
com.apple.nvidia.nv50hal    7.3.2
com.apple.driver.AppleSMC    3.1.3d10
com.apple.driver.IOPlatformPluginLegacy    5.0.0d8
com.apple.driver.IOPlatformPluginFamily    5.1.1d6
com.apple.driver.AppleSMBusController    1.0.10d0
com.apple.NVDAResman    7.3.2
com.apple.iokit.IONDRVSupport    2.3.4
com.apple.iokit.IOGraphicsFamily    2.3.4
com.apple.kext.triggers    1.0
com.apple.driver.AppleUSBBluetoothHCIController    4.0.8f17
com.apple.iokit.IOBluetoothFamily    4.0.8f17
com.apple.driver.AppleUSBMultitouch    230.5
com.apple.iokit.IOSCSIBlockCommandsDevice    3.2.1
com.apple.iokit.IOUSBMassStorageClass    3.0.3
com.apple.iokit.IOUSBHIDDriver    5.0.0
com.apple.driver.AppleUSBMergeNub    5.1.0
com.apple.driver.AppleUSBComposite    5.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice    3.2.1
com.apple.iokit.IOBDStorageFamily    1.7
com.apple.iokit.IODVDStorageFamily    1.7.1
com.apple.iokit.IOCDStorageFamily    1.7.1
com.apple.iokit.IOSCSIArchitectureModelFamily    3.2.1
com.apple.iokit.IOFireWireFamily    4.4.8
com.apple.iokit.IO80211Family    420.3
com.apple.iokit.IOEthernetAVBController    1.0.1b1
com.apple.iokit.IONetworkingFamily    2.1
com.apple.iokit.IOUSBUserClient    5.0.0
com.apple.iokit.IOAHCIFamily    2.0.8
com.apple.driver.AppleEFIRuntime    1.6.1
com.apple.iokit.IOHIDFamily    1.7.1
com.apple.iokit.IOUSBFamily    5.1.0
com.apple.iokit.IOSMBusFamily    1.1
com.apple.security.sandbox    177.8
com.apple.kext.AppleMatch    1.0.0d1
com.apple.driver.DiskImages    331.7
com.apple.iokit.IOStorageFamily    1.7.2
com.apple.driver.AppleKeyStore    28.18
com.apple.driver.AppleACPIPlatform    1.5
com.apple.iokit.IOPCIFamily    2.7
com.apple.iokit.IOACPIFamily    1.4
Unable to gather system configuration information.Model: MacBookPro6,2, BootROM MBP61.0057.B0F, 2 processors, Intel Core i7, 2.8 GHz, 4 GB, SMC 1.58f16
Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 512 MB
Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.106.198.19.22)
Bluetooth: Version 4.0.8f17, 2 service, 18 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: ST9500325ASG, 500.11 GB
Serial ATA Device: MATSHITADVD-R   UJ-898
USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfa100000 / 2
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfa130000 / 5
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0236, 0xfa120000 / 4
USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 3
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8218, 0xfa113000 / 6
USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 4
USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0xfd110000 / 3
Can anyone help me? Thanks in advance!

Hey this was happening to me too! So i called apple care, i have a the Late 2011 Macbook Pro, and this is what they suggested:
1. open system preferences
2. open engery saver
3. look at "Computer sleep" and move it over to a longer time period
          for instance I had mine at 5 minutes so thats why it would go to sleep all the time
     -now I set it to 25 minutes
Hope that fixes your problems!

Airdisk falling asleep and not waking up

what i thought might be a partitioning error/issue might be another thing altogether... let's start from the top. lots of random details follow, but something might be the kicker.
i have an older AEBS (non-dual-band, non-giga-bit, circa 2007) in another room (garage -- with all of the other panels, switches, etc.) that distributes a signal to the whole house -- specifically to two airport express base stations (delivering music, printer sharing, etc.). the AEBS is sending out a G/N signal (for iphones, network cameras, etc.) and one of the expresses is sending out an N-only (for my macbook).
the purpose of the AEBS is three-fold. (1) to provide wireless connectivity (2) to serve as a conduit to a backup airdsk for (a) general computer/home theater backups and (b) a consistent repository for a network (security) camera feed fed through "security spy" via a mac mini (home theater hub) which is hard-wired to the network via whole-house ethernet (belkin hub in the garage ties it all together). the camera itself is wireless (G-speed).
over the past few weeks, i've been getting very poor throughput on the wireless network -- speed bumps back up (from <1bps to >20mbps) when plugged into the ethernet network (as viewed through speakeasy's speedtest).
ok. the issue is that the new 2TB lacie harddrive is going to "sleep" and not waking up. it works fine for about 1/2 hour after hookup or "hard" wake-up (restart AEBS/drive).
previously (as few as 5 weeks ago, i had a smaller lacie drive (1TB) serving the same function flawlessly.
so... is this new airdisk issue due to:
-- the AEBS not liking the 2TB size?
-- the AEBS giving signs of failure (esp. with the network issues noted above)
-- is the new lacie drive either (a) a DOA-failure or (b) doing its job by falling asleep (if so, it'd be a new 1TB>>2TB feature)...
-- user error
-- something completely random...
thanks for any wisdom you can lend...

I have pretty much the same setup with the same model AEBS and I get the same problem with a 2TB Western Digital drive plugged in. I solved this problem a month ago by updating my system to Snow leopard and updating firmware to the base station and rebuilding pretty much the whole network. But it came back this weekend. Is driving me crazy!
(Side note: I also use that drive as a wireless Time Machine backup but can only get it to work reliably with my wife's Macbook not my own- which actually worked for a weekend but then decided that was enough.)

Since upgrading to Yosemite my macbook pro keeps going to sleep if I am not using it. I want it to stay on as I leave it doing things overnight etc. It was fine before the upgrade and I have all the system preference set to "never turn off"

Since upgrading to Yosemite my macbook pro keeps going to sleep if I am not using it. I want it to stay on as I leave it doing things overnight (cd's / recording etc. It was fine before the upgrade and I have all the system preference set to "never turn off" - Help !!!

Good advice from Linc Davis that should sort out your query i think...
However you dont want to set your MBP to never go to sleep...
Adjust reasonable sleep settings...
And the download an APP called caffiene...
When you click it you can have your MBP never go to sleep with a single click of your menu bar... and with another click it can go to sleep normally to maintain the laptop...
Simply click the cup... To toggle never sleep/sleep

My iMac 27 2010 vintage goes to sleep and won't wake up...I have to push the on off button and hold till it shuts down and then re start...This is not good..Help please

My mac iMac 27 2010 vintage goes to sleep and won't wake up till I hold the on off power button....Then I have to restart as it is locked up....This it intermittent..
Help Please
Jim

Ops I replied to myself in error.....
Tom:
I performed the steps indicated but this morning when I clicked the mouse and hit the space key and clicked the track pad again as before nothing happens.
I hold the power button for a few seconds and the screen fills as if the computer was normally awakened but it is locked up.
Then I have to shut it down with the power button and then power it up as a reboot.
Not good...SMC reset didn't work....Throughout the day yesterday I put the computer to sleep and woke it up normally. It seems to be a overnight problem.
Am I going to have to shut it down everynight?
Jim

Is itunes store down its 9:36 date is saterday march 24 and im trying to download a app and up date a app and after it goes to sleep and i come back on to my ipod touch 4th gen it make me type in my pass word so basicly its not donlading

is itunes store down its 9:36 date is saterday march 24 and im trying to download a app and up date a app and after it goes to sleep and i come back on to my ipod touch 4th gen it make me type in my pass word so basicly its not donlading

Can't connect to the iTunes Store
Best Fixes for ‘Cannot Connect to iTunes Store’ Errors | iPad Insight

What I m trying to say is that ,my WIFI or also knowing as wireless connection that is no cable! OK ! So my Wi-Fi is not staying connected to my router ever time it goes to sleep and after it comes back its asking my to reconnect to Wi-Fi. NOT STAYING C

What I m trying to say is that ,my WIFI or also knowing as wireless connection that is no cable! OK ! So my Wi-Fi is not staying connected to my router ever time it goes to sleep and after it comes back its asking my to reconnect to Wi-Fi. NOT STAYING C

Why did you start a new thread. Just respond on the same thread you started.
Click the Reply button on a post that you wish to reply to.

Is there a way to detect the event when device goes to sleep and the screen blackens?

I want to detect the event when the iOS device goes to sleep and the screen blackens?
Is there any way to do it?

Hi,
A small idea, please check whether it will work or not.
You can achieve this by using combination of DNS server and reverse proxy server.( Customized apache). Make 'A' record for www.abcd.com to reverse proxy server IP address in your DNS.
So it will resolve your reverse proxy IP address for requests.
Configure appche to accept incoming request for www.abcd.com and points towards www.abcd.com/parameters.
I think this will solve your problem. Only one condition is that proxy server will communicate with www.abcd.com on behalf of client.
Follow the link for configuration of reverse proxy server
http://www.slashroot.in/how-configure-basic-apache-reverse-proxy
HTH
Naisam

HP OfficeJet Pro 8500 goes to sleep, but often wakes up when it shouldn't

HP OfficeJet Pro 8500 goes to sleep, but often wakes up when it shouldn't. This happens over and over. It used to sleep until I sent something to be printed. I now shut the printer down, but that takes a long time to start it up.

When you finally get around to looking at my post, never mind.
I reset the factory defaults on the printer and reauthorized my WiFi network.
Now it is working.

Adobe Premiere Pro CC 2014 keeps lagging and crashing

My Adobe Premiere Pro CC 2014 keeps lagging and crashing to a point where I cannot do my job. When I open my premiere file, I can work on my timeline for maybe two or three minutes before it lags, freezes, and then finally crashes. I'm at a loss of what exactly is causing my problem because I edit primarily H.264 files and my sequences are not complex in any sense of the word. I've been dealing with this for days and I cannot seem to find a solution. If anyone has any advice please let me know because I am desperate. Thank you.
Specs:
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Model Identifier: MacPro6,1
Processor Name: Quad-Core Intel Xeon E5
Processor Speed: 3.7 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 10 MB
Memory: 16 GB
Boot ROM Version: MP61.0116.B05
SMC Version (system): 2.20f18
Illumination Version: 1.4a6

Hi Dana,
Can you go to File-Project Settings-General and change the video renderer to Software Only Mode.
Check if that works or not.
Are you using any third party plug-in's for Premiere Pro?
Thank You
Arjun

HELP! Jerky playback on Premiere Pro 6.0.2 CS6 and Retina MBP (16GB)

Dear all!
Please help me to solve this problem!
It's going on Premiere Pro 6.0.2 CS6 and Retina MBP with 16GB RAM installed.
CUDA Driver Version: 5.0.24
MacBook Pro Retina, Mid 2012
Processor 2,7 GHz Intel Core i7
Memory 16 GB 1600 MHz DDR3
Graphics NVIDIA GeForce GT 650M 1024 MB
Software OS X 10.8.1 (12B19)
Adobe Premiere Pro CS6 (6.0.2. - 072)
While playing back inside PP a jerky playback occurs, every 1-2 seconds it rewinds to 2-3 frames back and continues to play forth...
No special console messages or something similar visible.
Have tried to clean the cache but it doesn't help. Also have tried to switch the mode between CUDA, OpenCL and SW - without any visible changes...
Exhausted... Please HELP!!!!

avrbox, I had the same problem and went crazy because I didn't find a proper solution. I use Windows, though. Finally, I got to fix the problem. I use a i5 processor, which I overclocked with an asrock tool that came with the mainboard (to about 3350 MHZ where the system ran stable). When I turned overclocking off, Premiere played back the clips just fine. I overclocked then step by step until the playback went jerky again and kept that frequency. Maybe your processor is overclocked by stock or you did it manually?
Hope this is your solution!

Premiere Pro trial won't download and it isn't listed in my creative cloud

Premiere Pro trial won't download and it isn't listed in my creative cloud. It is frustrating... it says it is downloading but it makes creative cloud pop up and I then can't find it listed . I just want the trial. I have done trouble shooting on cchromeand on my computer.

See if your machine meets the system requirements for the software. CC will not list applications that will not work with the system.
Premiere Pro - http://helpx.adobe.com/premiere-pro/system-requirements.html

3 year old iMac 24 running OS10.7.4. After it has been on for a day or so, it stops going to sleep and becomes very slow. This only happens when Safari is running. Quitting Safari solves the problem. Has anyone else have the same problem?

3 year old iMac 24 running OS 10.7.4. After it has been on for a day or so, it stops going to sleep and becomes very slow. This only happens when Safari is running. Quitting Safari solves the problem. Has anyone else have the same problem? Does not happen on MacBookpro only on iMac.

Hello Albert, see how many of these you can answer...
See if the Disk is issuing any S.M.A.R.T errors in Disk Utility...
http://support.apple.com/kb/PH7029
Open Activity Monitor in Applications>Utilities, select All Processes & sort on CPU%, any indications there?
How much RAM & free space do you have also, click on the Memory & Disk Usage Tabs.
Open Console in Utilities & see if there are any clues or repeating messages when this happens.
In the Memory tab, are there a lot of Pageouts?

Premiere Pro is going to sleep and not waking up?

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