Harddrive going to sleep

I've marked that the system not should put my harddrives to sleep when possible (energy saver) but still my secondary. harddrives goes to sleep. The primary harddrive never goes to sleep.

So i removed the EnergySaver.prefPane, rebooted, did a reinstall og the EnergySaver.prefPane, rebooted once more. And now it's working.
Thanks.

Similar Messages

Macbook pro goes into sleep mode after few minutes and won't wake up

Since yesterday my MB pro suddenly goes in sleep mode while working and won't wake up. After reset the MB Pro goes into Sleepmode befor I get the log in screen. After resettin SMC and PRAM I can log in but after a few minutes, againg deep sleep. I'ts not a software isue I think because when I use my MB Pro's harddrive by firewire as the startup disk on an other macbook it works fine. anyone knows about this problem?

It sounds obvious but are you sure your power adapter is ok and the battery is charged. The behaviour sounds a lot like low battery sleep.
Press the check button on your battery pack - do you get plenty of lights?

My Macbook Pro started freezing all the time & going to sleep on its own for no reason

I've been having trouble for a few weeks with my computer freezing way too often for seemingly no reason - I'm using it exactly the same way I always have with no problems, and even actively trying to have less applications open (which seems to have no effect). I can't always load simple webpages without it freezing and giving me the color wheel and it's just MUCH slower in general. It is seriously making it difficult to use my computer for work or for fun...
It has also started going to sleep on its own - the screen will just go black (or sometimes BLUE) and the keyboard lights turn off, and the only way to get it to wake back up is to close the computer, wait, open it again and click or press a key. It doesn't respond to any keys/clicks until it has been closed and reopened.
It seems to overheat really easily lately as well - but it does not always overheat when it freezes.
SMC reset did not seem to have an effect. Activity Monitor doesn't show anything crazy, everything is pretty much 0% except Firefox around 7-12% as I'm typing this. 246 GB available on my hard drive so that doesn't seem to be the problem either. Right after restarting my computer it seems better but the problems quickly resurface...
I googled for help before posting this and someone had suggested running the command
syslog -k Sender kernel -k Message CReq 'Channel t|GPU D|I/O|find tok|n Cause: -' | tail | open -ef
in Terminal, which they said "Normally the command will produce no output, and the window will be empty." But mine gave this:
Tue Apr 15 21:04:24 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Tue Apr 15 21:04:42 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Tue Apr 15 21:35:04 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Tue Apr 15 21:35:20 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Wed Apr 16 10:56:46 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Wed Apr 16 10:57:03 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Wed Apr 16 12:11:17 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Wed Apr 16 12:11:35 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Wed Apr 16 12:11:52 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
Wed Apr 16 12:23:01 My-MacBook-Pro kernel[0] <Debug>: disk0s2: I/O error.
I don't know what that means or if that is useful info to help solve my problem? I just want to know what I can do to make my mac go back to normal!
I ran Etrecheck:
Hardware Information:
    MacBook Pro (15-inch, Early 2011)
    MacBook Pro - model: MacBookPro8,2
    1 2 GHz Intel Core i7 CPU: 4 cores
    4 GB RAM
Video Information:
    AMD Radeon HD 6490M - VRAM: 256 MB
    Intel HD Graphics 3000 - VRAM: 384 MB
System Software:
    Mac OS X 10.6.8 (10K549) - Uptime: 0 days 0:24:42
Disk Information:
    Hitachi HTS725050A9A362 disk0 : (465.76 GB)
        (null) (disk0s1) <not mounted>: 200 MB
        Macintosh HD (disk0s2) / [Startup]: 465.44 GB (229.26 GB free)
    MATSHITADVD-R   UJ-898
USB Information:
    Apple Inc. FaceTime HD Camera (Built-in)
    Apple Inc. BRCM2070 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Inc. Apple Internal Keyboard / Trackpad
    Apple Computer, Inc. IR Receiver
FireWire Information:
Thunderbolt Information:
    Apple, Inc. MacBook Pro
Kernel Extensions:
    com.digidesign.iokit.DigiDal    (8.0.3f1)
    com.paceap.kext.pacesupport.snowleopard    (5.7.2)
Startup Items:
    DigidesignLoader: Path: /Library/StartupItems/DigidesignLoader
    M-AudioFastTrack: Path: /Library/StartupItems/M-AudioFastTrack
    PACESupport: Path: /Library/StartupItems/PACESupport
Problem System Launch Daemons:
    [System]    org.samba.winbindd.plist 3rd-Party support link
Launch Daemons:
    [System]    com.adobe.fpsaud.plist 3rd-Party support link
    [System]    com.google.keystone.daemon.plist 3rd-Party support link
    [System]    com.microsoft.office.licensing.helper.plist 3rd-Party support link
    [System]    org.eyebeam.SelfControl.plist 3rd-Party support link
    [System]    PACESupport.plist 3rd-Party support link
Launch Agents:
    [System]    com.google.keystone.agent.plist 3rd-Party support link
    [System]    com.hp.help.tocgenerator.plist 3rd-Party support link
    [System]    com.m-audio.mobilepremkii.helper.plist 3rd-Party support link
User Launch Agents:
    [not loaded]    com.apple.CSConfigDotMacCert-[...]@me.com-SharedServices.Agent.plist
    [not loaded]    com.facebook.videochat.[redacted].plist 3rd-Party support link
    [not loaded]    com.spotify.webhelper.plist 3rd-Party support link
User Login Items:
    Flux
    iTunesHelper
    RescueTime
Internet Plug-ins:
    o1dbrowserplugin: Version: 5.2.4.18058 3rd-Party support link
    nplastpass: Version: 2.5.5 3rd-Party support link
    Unity Web Player: Version: UnityPlayer version 3.5.2f2 - SDK 10.6 3rd-Party support link
    RealPlayer Plugin: Version: Unknown
    Silverlight: Version: 5.1.20913.0 - SDK 10.6 3rd-Party support link
    FlashPlayer-10.6: Version: 13.0.0.201 - SDK 10.6 3rd-Party support link
    QuickTime Plugin: Version: 7.6.6
    Flash Player: Version: 13.0.0.201 - SDK 10.6 3rd-Party support link
    googletalkbrowserplugin: Version: 5.2.4.18058 3rd-Party support link
    SharePointBrowserPlugin: Version: 14.4.1 - SDK 10.6 3rd-Party support link
    AdobePDFViewer: Version: 10.1.1 3rd-Party support link
    iPhotoPhotocast: Version: 7.0 - SDK 10.7
    JavaAppletPlugin: Version: 13.9.8 - SDK 10.6 Outdated! Update
iTunes Plug-ins:
    Quartz Composer Visualizer: Version: 1.2
3rd Party Preference Panes:
    Flash Player 3rd-Party support link
    Growl 3rd-Party support link
    M-AudioFastTrack 3rd-Party support link
    M-Audio MobilePre 3rd-Party support link
Old Applications:
    None
Time Machine:
    Time Machine information requires OS X 10.7 "Lion" or later.
Top Processes by CPU:
         5%    firefox
         3%    EtreCheck
         2%    WindowServer
         2%    hidd
         1%    mds
Top Processes by Memory:
    545 MB    firefox
    74 MB    mds
    57 MB    WindowServer
    41 MB    Mail
    41 MB    Finder
Virtual Memory Information:
    1.88 GB    Free RAM
    818 MB    Active RAM
    458 MB    Inactive RAM
    880 MB    Wired RAM
    190 MB    Page-ins
    0 B    Page-outs

Eric - I dont understand how I'd use caffeinate. I am not running any code or particular script. My system goes to sleep if surfing the web, or running Word or Excel, etc.
Or.. Are you saying I should go through and type 'caffeinate X' for all of my applications?

Cinema Display goes to sleep after connection to MacBook Pro.

Hi, I've been using my 21" Cinema Display from my old G5 as the monitor for my new MacBook Pro. I used a Mini DisplayPort to DVI Adaptor to connect it to the MacBook Pro, and it has worked very well - until today.
Now, as soon as I turn the MacPro on (and quickly shut the lid as usual) the cinema display comes up and then - goes to sleep. And I cannot wake it up! If I open the MacPro, both monitors come up. However I'd really like to use just one monitor, the cinema display. What has happened ? I don't think I changed a thing.
Hope someone can help?
Thanks

Have you (perhaps unknowingly) got one of the screen corners set to put the screen to sleep in Exposé. System Preferences>Exposé & Spaces.
You normally have to deliberately point the mouse to the corner to sleep the screen (if active corners have been set up) perhaps if the mouse is left just hovering near an active screen corner maybe the slightest of movements is triggering the screen to sleep. Worth a look.

Mac Tower Pro 10.8.5 keeps going into sleep mode

Purchased from Apple, refurbished 2012 Mac Tower Pro. At the same time, purchased a new Dell U2713HM, 27" monitor.
Have been operating on this new system since about the first week of December 2013.
Issue:
The computer has constantly gone into sleep mode after a few minutes of no activity. I can have iTunes radio playing, but the system still goes into sleep mode. As I am typing and moving the curser, the machine stays awake.
This has caused much frustration because when it goes into auto sleep mode, it quits all programs that I am in, and when it does this, I lose all the work I had accomplished. It litterally closes everything and goes to sleep in about 2-3 minutes of no activity.
BTW: the computer and monitor have all its new OEM cables that came in the box, when I purchased the units.
Solutions attempted:
System Preferences — Energy Saver: computer sleep and display sleep set to "never" and unclicked the box "Put hard disks to sleep when possible."
Dell settings: Turned off all energy savers.
Results:
Nothing. Problem persists.

I apologize for the angst. The problem has cost too much money in lost time and material because when it would automatically shut down after a few minutes, all my work was lost.
I misunderstood the terms of the warranty. Thank you for your input and patience. Much appreciated. For the benefit of others that experience this with a new Mac that auto shuts down. Check the following:
1. Go to System Preferences.
2. Click on Security and Privacy.
3. Click on Advanced (bottom right corner)
4. If the first line is checked (Log out after 5 minutes of inactivity); uncheck it and then click OK button.
5. Be sure to click the lock before existing Security and Privacy.
Now the machine will cease shutting down programs to go into sleep mode as soon as machine is inactive for a few minutes.

My macbook is two and half year old, going to sleep mode randomly

Having used this Macbook for almost two and half years, my machine has suddenly generated the problem of going to random sleep. It started as an infrequent thing, then it started happening on a regular basis, to the point that it became almost impossible to work with it. When the computer goes to sleep mode, it doesn't wake up with any key, it has to be woken up by pressing the power button lightly.
Here are the steps I took:
1. The normal thing I did was search Apple Forum and then reset SMC, PRam, then changed energy saving options, everything. Nothing worked.
2. Ran the hardware test and no problems found.
3. Ran the Macbook with all options: with just the battery, without the Magsafe connected, with Battery and Magsafe connected together, with battery removed and the computer running on Magsafe only. Random Sleep continues
4. Thought must be a connection issue and ran to Apple Store in Kolkata, India, thinking that it could be a connection issue with the sleep-mode cable. Apple Store kept the Macbook for seven days, saying that they needed to check the machine, returned it on the seventh day saying that the machine was fine and charged me Indian Rupee 1,500/- (about $ 34). I came back home and the problem persists.
(Here I would like to add that Apple Service in Kolkata *****, probably ***** all over India, simply because Apple is not a major player in this country. The service engineer at Apple Store was at a loss with my problem and after seven days could only say, "We have done our internal tests and found no problem with your Macbook." When I asked about the Sleep Mode sensor connection, he said, "That is working fine, we have checked that.")
5. After coming back home, I faced the same problem, this time with lesser time gap. It would go off to sleep every one minute or so. I decided to set my computer on "never to sleep mode" in the enery saving option. Alas, that didn't help either.
6. I redid the hardware check, only to find that my computer hasn't detected any hardware problem.
7. Now, as a previous Windows user, I thought that the problem must have been with the OS. So, at the risk of losing all my files, I decided to reload the OS. (My original OS DVD was Leopard, but it was later upgraded to Snow Leopard by the vendor free of cost). I took backup in Time Machine, and backed up the documents in another Disk and reloaded the OS. All seemed fine so far, for about 10 minutes. I was now confident that finally I could solve the problem and was then planning to migrate my previous files to my newly loaded OS-X. Alas, I was wrong. Before I could connect the external HDD to my computer, my Macbook went back to its previous trick of falling asleep.
I'll definitely take back my Macbook to Apple Care tomorrow, but with my experience here in Kolkata, don't know whether they would be able to solve anything. Last time I had to show them the posts in Apple Forum to prove that Random Sleep is a problem that happens to Macbook.
PS: My Macbook is with aluminium body bought in January 2009. Out of warranty. My optical drive conked off long ago (after about 15 months or so after I bought the Macbook) and I live with an external drive.

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, or by corruption of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. Note: If FileVault is enabled on some models, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal boot may also be somewhat slow.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin. Test while in safe mode. Same problem? After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of the test.

Computer shuts down without going to sleep

hello,
i've had an increasingly swollen battery with a corresponding diminished life. to a point that it barely fit, lasted ten minutes on its own and when it became depleted, the macbook pro would just shut down without a warning.
so i bought a new one and although it lasted about 2h30 on its first cycle, when it displayed the low battery warning, the computer shut down without going to sleep...
tried resetting PRAM, and SMC to no avail.
i charged it back up a bit and it shut down again.
it's on its 3rd cycle and battery health already dropped from 100% to 94%.
anything i can do?
thanks...

Are you sure it is shutting down and not going to sleep "permanently"? I say this because I have (and others) a somewhat similar problem but it's not shutting down, it sleeps forever:
http://discussions.apple.com/thread.jspa?threadID=1400708
Also, I was going to suggest maybe your battery has died out, but you said it is plugged in, so probably not your battery as the problem.

Mini display port - vga only works with lid closed - then computer goes to sleep

my problem is simple, but strange.
I have a 2009 unibody macbook pro. I have 42 in lcd tv. I have a minidisplay to vga adapter and a vga cable. When I try to connect the monitor to the mbp when the lid is open nothing is detected. I do not get any options to change to mirror mode or am able to change any settings regarding the monitor. I can change the resolution of the built in display only. Now for the twist.
If I connect everything, do a restart and close the lid, as the computer boots up the external monitor works. Its the grey boot screen with the apple logo. But as soon as the computer begins to load the desktop, the monitor losses the signal. At first I thought it was going into sleep mode, so I hooked up a usb mouse to keep the computer awake. I tried the process again, and as soon as it goes to the desktop it losses the signal. So I don't think it is sleep mode.
I downloaded the minidisplay prot firmware update, but because the screen is not detected when the lid is open I cant run it. When the lid is closed the computer either goes to sleep or doesn't send the desktop signal and I still cant run it.
Nothing happens if I change between the video cards (9400 and 9600gm). Is it a resolution issue? Do the vga cables have a max resolution that is lower than 1900 x 1200?
What should I do? thanks
2009 unibody intel macbook pro
running 10.6.8
3.06 ghz 8gb ram

see all this time you DID have the info i was looking for:
"Do the vga cables have a max resolution that is lower than 1900 x 1200?"
3 posts later
"The VGA displays Apple has typically in the past offered only had 1024 x 768 resolution at most."
im sorry I inticed you to giving me the information i needed, but i guess it was required. you have earned your 10 points today.

How can I close the lid on my Mac Book Pro (late 09, 10.6.8) without it going into sleep mode?

I recently moved my room around and such, and now it's become more useful (I also purchased an HDMI adaptor which helps) to use my TV as a display, especially when I'm recording music, watching movies online, etc. Problem is, the HDMI cord I'm using is only 1.8 ft. so my computer has to sit in the middle of my desk, thus taking up the bottom portion of my TV screen when open.
I know there's an app out there that keeps the computer from going to sleep, but I don't like it because I forget it's on and Ill toss my computer in my backpack to go to the library, I get there and it's a million degrees....
If it matters for anything the setup is as follows:
13 inch MBP, 8 gb ram, 2.26ghz intel core 2 duo, Os X Version 10.6.8. Late 09 I believe.
I'm using the mini display port to HDMI adaptor (made by apple, not a knockoff if it matters).
When using my Tv I'm using a wireless mighty mouse (bluetooth) and the apple on screen keyboard.
Also, it's not at the top of my priorities, but eventually I'll probably have the computer set up next to the Tv, I've got the displays set up so that the Tv is on top of the computer display (I understand how to move them) but is there a way to make it so that when the lid is open, it acts as two, non-mirrored, displays, and when I close the lid it switches to one display (the Tv), and obviously, when no display is connected, it uses the internal display as it's sole display?
And lastly, is there a way to transmit sound through my Mini Display port to my TV? It's not the end of the world if not in 10.6, I saw something about how to do it in lion, but that's not enough of a reason for me to upgrade. I use a sound system so like I said, not the end of the world, just would be really nice, and I feel like after the money I've dumped into apple for this computer, it should do about anything I ask it to short of making me waffles in the morning (however, apple, if you release some sort of add on to do this, I'll be at the midnight release wearing a shirt that says"waffle enthusiast".)

You can't but you can wake it up immediately after.
http://docs.info.apple.com/article.html?artnum=86286
http://docs.info.apple.com/article.html?artnum=300562

My Mac Mini goes to sleep when I turn off my TV.

Hello and thanks in advance for all help. I have a Intel mac mini that I currently have hooked up via DVI/DVI cable to my Sony LCD television. I recently upgraded the OS to 10.5 from 10.4. The issue that I am having after the OS upgrade has to do with the Mac going to sleep after I turn the TV off. It also goes to sleep if I set up the display to sleep after a period of time even if I have the computer itself set to never sleep. Right now I have the computer set to never sleep and the display to never sleep but when we turn the TV off the computer goes to sleep anyway. The reason why I need the computer to stay awake is because we use a Magicjack at our home for our local phone service and it is plugged into one of the USB ports on the computer. If the computer goes to sleep we loose our home phone service. I am wondering what could be causing the computer to sleep when the display is turned off. When I upgraded to 10.5 I did a clean install and not a upgrade.
Any help would be greatly appreciated.
Thanks very much to all.

Thanks so much for your help. This fixed things perfect. The only thing I may add for anyone else that has this issue is that it is important to reconnect the power cable to the computer first and then after a few seconds reconnect all of your other cables. The first time I tried it I reconnected the power cable last and it still didn't fix things. I gave it another try reconnecting the power cable first and now everything is perfect.
Thanks again for your help,
Rich

Monitor Not Going To Sleep on Mac Mini Server With Lion

Summary: I am attempting to configure a Mac Mini Server that runs OS X Lion. This machine was originally shipped with OS X Lion; it is not an upgrade. My current specific problem is that my Viewsonic VX2835wm monitor will not go to sleep when the minutes setting on the Display Sleep setting for Energy Saver has been reached. Instead, the screen goes blank for a couple of seconds and is replaced with a blank blue backlit monitor. (Ironcially, the display sleep menu cautions: "Never letting your display go to sleep may shorten its life".) I very much want and need the ability to have my monitor go to sleep so as to save energy and to extend the monitor's life for as long as possible.
Additional Background: I have had a couple of calls with Mac support and they have been unable to tell me whether this is a "design feature" or a flaw in the Lion OS because they have had no similar reports and they do not have the latest hardare available running Lion Server to test to see if this happens with other monitors. (They also, of course, don't have the VX2835wm monitor.)
I do, however, know the following:
(1) My HDMI monitor is connected to my Mac mini via a DVI KWM switch (ATEN CS1784) such that the HDMI output from my Mac is converted to DVI (using the DVI to HDMI converter that came with my Mac Mini) and is then run through the KVM and then converted back to HDMI (using a full pin DVI to HDMI cable). However, I have tested the monitor with a straight HDMI to HDMI cable running directly from the Mac Mini to the monitor and it has not changed anything.
(2) The Lion operating system correctly recognizes (in Hardware / Displays) the model of my ViewSonic monitor.
(3) I have a MacBook Pro running Leopard (OS X 10.5.8) that is connected to the same monitor through the same KVM switch (by way of a BookEndz docking station) which properly shuts down the monitor when there has been no activity for however many minutes are set in the Display Sleep setting under Energy Saver. (Indeed, all I want is the same functionality on my Mac Mini that I have enjoyed for the last two years with this MacBook Pro.)
(4) When fully connected to the KVM, if I switch from my Mac Mini to my MacBook Pro and my Mac Mini display goes to sleep while I am working on my MacBook Pro, when I switch back to the Mac Mini, my monitor backlight will be off (and the power light will be standby yellow rather than the blue on) until I wake my computer up by touching the mouse of keyboard. I wonder if this may mean that the Mac Mini's signalling of the change in status from on to standby is somehow dysfunctional.
(5) Shutting down the server functions (and other open applications) has no effect.
I would greatly appreciate feedback from anyone out there running a Mac Mini with Lion regarding whether or not their monitors go into standby mode when the Display Sleep time is reached (please note whether or not you are running the Server or Client version, whether or not it is a new install or upgrade, and what monitor you are using).
Thanks in advance to anyone who can help.

No, I didn't solve the problem. The monitor still goes to sleep with WIndows but not with my Mac Mini. About 8 months ago I basically wore out the power switch on my monitor so I bought a wireless power switch to shut it off at the outlet. The VX2835wm monitor itself is now starting to fail as well-- a couple of times it's gone through a weird sequence of flashing screen colors on power up and ended up in an overscan mode (that took me for ever to figure out how to fix). I have decided to replace my VX2835wm with a Dell u2412m once it fails for good partly because I really want to keep the 16:10 resolution (very hard to find these days) and partly because I want to see if a different make of monitor will go to sleep properly based upon my Mac Mini power down settings.

I'm using a late 2006 2.33GHz imac.I clean installed 10.6 from disc then updated to 10.7 from download.Now every time my computer goes into sleep it won't wake up.Anyone know how to cure this problem please??

I'm using a late 2006 2.33GHz imac.
I clean installed 10.6 from disc then updated to 10.7 from download.
Now every time my computer goes into sleep it won't wake up.
The only way it will restart is to pull the mains lead out of the imac, put it back and try until it will start.
This only happened after reinstalling. Only Apple OS was on the imac and so it must be an issue with the software I believe.....
Anyone know how to cure this problem please?
Thanks
paul

This isn't a fix, more a workaround I used when I had wake from sleep problems that lasted from some point in 10.6.x, through 10.7 and into 10.8 (got fixed for me in 10.8.2). It seems to be connected with Bluetooth failing to wake up properly:
System Preferences>Energy Saver and set 'computer sleep' to 'never'.

HT3964 My MacBook Pro i5 Dual Core has a hardtime waking up when the computer is put to sleep and only when it goes to sleep and has been asleep for a while. The indicator light flashes on and off for a while and then freezes. I've done an SMC reset once.

Does any one have the same problem with their MacBook Pro i5 Intel Dual Core? If the computer goes to sleep (not the screen) and is asleep for a while, when I try to wake it up it doesn't respond. I have to power it downn and restart it and sometimes it takes two or three attempts. Otherwise it works fine. I upgraded the memory to 8 GB. That is the only alteration doen to it. I've performed one SMC restart and now it wakes up but it takes a while and a gray screen shows up. When I insert a DVD it won't start automatically I have to start the application in order to see it. Any suggestions?

http://www.apple.com/support/macbookpro-videoissues/

Why does my iphone 3gs screen go white after it goes "to sleep" for the first time after turning it on?

Why does my iphone 3gs screen go white after it goes "to sleep" for the first time after turning it on?
The screen isn't broken because it works after i turn the device off and back on, but after it goes black once, it's only white again.
But it takes the touches although it's only white, because I can answer my phone when I slide my finger on the bottom of the screen, eventhough there in not the button to see.
This is so weird. I have already done everything I can think of that might help. But I cannot think of anything that might be causing it, because nothing has happened to the device.

Let me know if I should start a new discussion instead of opening a new topic here.
My wife's iPhone is the same vintage as mine 3Gs, but has never had the battery problem. Its affliction instead is that it cannot detect WiFi networks unless it is quite close to the source. Often, when my iPhone not only detects but shows a maximum cells connection with a network, hers cannot detect the network at all. In contrast, her iPhone seems to detect ourcellular carrier just as well as mine does.
Is there any help for this affliction?

Early 2008 iMac (8,1) randomly goes into sleep mode

Hey,
My early 2008 iMac (8,1) on 10.8.2 goes into sleep mode by itself. I've played around in Energy Saver, tried resetting SMC, NVRAM, replaced HDD, reformatted HDD, installed smcFanControl, reinstalled Snow Leopard, Lion, Mountain Lion. None of that worked. Took it to the Genius bar, performed some diagnostics tests and they said everything worked properly. Does anybody have the same problem? I can still use the computer for general computer use (light web surfing and e-mailing), but it seems to go into sleep mode when I have a lot of applications open and especially when watching videos. I've tried researching this problem, but I've haven't found a definitive answer. Right now, the Genius that I've been talking to thinks it may be the RAM. I'm waiting on new shipments of test RAM to arrive at the Apple Store for him to properly diagnose.
Thanks,
Jason
iMac (8,1)
2.8 GHz Intel Core 2 Duo
2x2 GB 800 MHz DDR2 SDRAM
ATI Radeon HD 2600 Pro 256 MB
1TB 7200 RPM SATA ST1000DM003-1CH162
If you want to read the whole time line, I've included it here. I apologize for it being so long.
At first I was running Lion (10.7.5) and the computer would enter sleep mode whenever I was doing anything with video. For example, watching YouTube videos and chatting on FaceTime. And funny enough, I distinctly remember watching a bunch of movies with VLC and the computer did not go to sleep (Although, this is not true anymore). I could wake the computer up and use it, however within a few minutes the computer would re-enter sleep mode. The computer seemed fine and I could access all of my files. Tried resetting SMC and it did not resolve the issue.
I made a Genius appointment to see if they were familiar with the issue. The iMac passed the in-store diagnostics test; it said all the components were functioning properly. He told me to bring it home to do a fresh re-install of my OS and then run my computer to see if the problem persisted. I took it home and reformatted my HDD with a 35-pass erase, re-installed Snow Leopard (10.6.8) and declined to transfer any backups from Time Machine. I was using a fresh system and sure enough, the problem persited. Tried doing the same thing again but with Lion (10.7.5) and still no luck. So I made another appointment and it passed the in-store diagnostics test again. I let them keep the computer for a 24-hour diagnostics test. They told me they would diagnose my computer with the OS on my HDD as well as a copy of OS that the Apple store deemed 'good' on an external HDD. The Genius called me and told me that my HDD failed their 24-hour diagnostics test and recommended I replace it. I initially had a 750 GB HDD, and the Apple Store could only offer me a 500 GB HDD ($200). I opted to take my computer to Carbon Computing, an authorized dealer in Toronto, to have a 1 TB Seagate HDD ($170) installed with no OS on it. I brought it home, performed another 35-pass erase and installed Snow Leopard. Problem still persisted. Repeated with Lion, still unsuccessful. Looking back, I was so excited that I just had to replace the HDD to fix the problem, I forgot to ask the guy if he could recreate the issue.
I began to suspect that it was a heating issue. So I installed Temperature Monitor and smcFanControl, and cleaned the fans as much as I could without taking the computer apart. Without smcFC on I tried to recreate the problem and I noticed that the Power Supply Position 1 reached 95 degrees Celsius, and Graphics Processor Temperature Diode reached 97 degrees Celsius before entering sleep mode. I don't know much about temperature sensors and what they monitor specifically, and so I couldn't draw any conclusions from that data. I turned on smcFC and cranked the optical drive speed to 2000 RPM, HDD to 3000, and CPU to 3000. The computer still went to sleep but the temperatures were below 90 degrees Celsius before entering sleep mode. I've tried researching here and on the internet about normal operating temperature ranges of iMacs and generally found that most do reached that temperature but they do not go to sleep mode.
Then I thought it may be a problem with Lion so I upgraded to Mountain Lion. The issue still persisted. Tried resetting SMC and NVRAM, did not resolve issue.
I called the same Apple Store explaining to them that their recommendation of replacing the HDD did not resolve the issue. They told me to bring it in and have them check it out again. I went through the same process I did before; the iMac passed all of their diagnostic tests. The Genius told me this time he will test out the RAM. He called me and told me that he could replicate the problem and so he proceeded to put in a stick of 'good' Apple RAM, but the computer would not work. He said the 'good' Apple RAM was damaged, either before or in the process of putting it in. He plugged in my old stick of RAM and the computer worked. He tried to recreate the problem and claimed that the computer ran for over 24 hours with an existing movie on my HDD playing and it did not go to sleep mode. However, once I brought it home I played the same movie right away and it turned off 17 minutes into the movie. Tried resetting SMC and NVRAM again, ran the movie again, still went to sleep.
And that's the story for now...

Now to find out WHY it does it at home only. How hot is it at home? Have you checked the AC current/voltage at home?
Well they were able to replicate the issue at the Apple Store the second time I left my computer there. Anyway, we don't have any heating on at my house at the moment. It's usually from around 20-23 degrees Celsius (72-75 F). Temperature Monitor says ambient temperature is 30 degree C though...
I'm not really sure how to check the AC current/voltage at home, but my computer worked before I moved it. So I'm not sure if that is the issue.
I normally only have speakers set up to my computer and a wired keyboard. The speakers are powered separately. I would assume that at the Apple Store only the power cord and wired keyboard are connected.
What is the Power Supply Position? And what does it do?
Thanks for your help!

Harddrive going to sleep

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