My iPad randomly goes into sleep mode while I am using it?

All of a sudden, when ever I use my iPad 2 it goes into sleep mode. It did it three times while I typed this message. As I am running an app it will just go into sleep mode with out me doing so and I have to press the home button to wake it up. Doesn't matter what app I am running. I have 4gb of storage available. Most of the time it brings me back to the app I was using when it went to sleep. Has anyone else suffered this issue. I am running the latest iOS 6.0.

What "issue"? This is perfectly normal. By default, all (fairly-recent) Apple products will go to sleep if left idle for a certain period of time. This is NOT normal, however, if in the app, you are pressing buttons on the screen. If you are doing something like reading, for example, try setting your iPad to not go to sleep that quickly.
(Google how, I don't completely remember.)

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Mac Pro randomly goes into sleep mode

My (mid 2010) Mac Pro, OS X.6.8, randomly goes into sleep mode and I can't wake it, have to power it off and reboot. Just started to the best of my knowledge Friday (Jan 6, 2012) I've had it happen surfing the web in Safari, while working on an illustration in Adobe Illustrator, while running Apple Hardware Test, using 23" LCD connected by HDMI and DVI-D, Disconnected monitor and connected 12" Cintiq (LCD Tablet).
The monitor goes black, says "there's no signal coming from your computer", none of the keys will wake it. I have to hold down the power button until it turns off then power it back up. The time between the sleeps varies, 38min, 1hr 34min, 5min, 2hr 17min, 12min, etc. I disconnected everything (except keyboard, mouse, monitor) still the same. Opened and removed the ATI Radeon HD 5870, and noticed the PRAM battery, replaced it with a new one, thought that fixed it, worked for a long time then it happened again.
Tried Apple Hardware Tester again, it said everything is fine, ran it again an error popped up: 4SNS/1/40000000:Te1S-99.364, wrote it down then it slept.

The next time this happens open your mac and see if there is still a fan running. If so you are not sleeping, you are in a thermal cutoff. Keep you mac cover off.
Now reboot as you always do. Take a look at the fan in your 5870. Is it spinning? If so, try to keep an eye on it and see if you can "catch" it not spinning.
When the fan doesn't start, or if it does then stops, the card will overheat and the machine will go into thermal cutoff. The amount of time is variable.
I speak from experience. I am currently on my third 5870 video card. Both the previous two had this fan problem. The only wrinkle in my theory for you is that I wouldn't expect more that, say, 15 minutes of up time at the most, not hours like you got. But it may be that your card is starting ok, but stops sometime later. I chalk it up to the lousy fans Nvidia uses in the 5x70 cards.
FWIW, if you happen to catch the fan stopped before the machine goes into thermal cutoff you can give it a little nudge with your finger to get it going again.
I recommend one of the various temperature monitors. I use iStat Menus and display some key temps in my menu bar. Of course after going through two of these cards I am a bit paranoid!
Some other temperature monitors:
iStat Pro
Temperature Monitor
Hardware Monitor
Note, after typing all this I also realized you got a AHT 4SNS error. I would run AHT again to see if you get that error again. If so that means "Check Main Logic Board" and you may have a more serious hardware problem than just a video card! So my other recommendation is that when you machine fails again look inside for any lit diagnostic leds. There's some near the dimms but there are others on the board as well.

Imac Randomly goes into sleep mode...Hard to start

My IMAC G5 will randomly go into sleep mode while I am in the middle of using it. Typically the fan noise increases and than it auto goes into a sleep mode. It also has issues starting. I have to press and hold the power button for it to kick on while also hitting keys on the keyboard to trigger it. Help!?

Here is the system log it looks like its over heating?
Sep 22 20:37:11 Macintosh-2 mDNSResponder[23]: mDNSPlatformSendUDP sendto failed to send packet on InterfaceID 00805E00   en0/6 to FF02:0000:0000:0000:0000:0000:0000:00FB:5353 skt 8 error -1 errno 50 (Network is down) 1852846483
Sep 22 20:37:11 Macintosh-2 mDNSResponder[23]: mDNSPlatformSendUDP sendto failed to send packet on InterfaceID 00805E00   en0/6 to FF02:0000:0000:0000:0000:0000:0000:00FB:5353 skt 8 error -1 errno 50 (Network is down) 1852846774
Sep 22 20:37:12: --- last message repeated 1 time ---
Sep 22 20:37:12 Macintosh-2 mDNSResponder[23]: mDNSPlatformSendUDP sendto failed to send packet on InterfaceID 00805E00   en0/6 to FF02:0000:0000:0000:0000:0000:0000:00FB:5353 skt 8 error -1 errno 50 (Network is down) 1852847774
Sep 22 20:37:13 Macintosh-2 kernel[0]: UniNEnet::monitorLinkStatus - Link is up at 100 Mbps - Full Duplex (PHY regs 5,6:0x45e1,0x0005)
Sep 22 20:37:15 Macintosh-2 kernel[0]: IOSMUPwrController:: OverTemp notification
Sep 22 20:37:15 Macintosh-2 kernel[0]: PowerManagement emergency overtemp signal. Going to sleep!IOPMSlotsMacRISC4::determineSleepSupport has canSleep true
Sep 22 20:37:15 Macintosh-2 mDNSResponder[23]: Note: Frequent transitions for interface en0 (70.162.10.190); network traffic reduction measures in effect
Sep 22 20:37:21 ip70-162-10-190 configd[35]: setting hostname to "ip70-162-10-190.ph.ph.cox.net"
Sep 22 20:37:24 ip70-162-10-190 kernel[0]: System Sleep
Sep 22 20:37:24 ip70-162-10-190 kernel[0]: System Wake
Sep 22 20:37:24 Macintosh-2 kernel[0]: Wake event 0020
Sep 22 20:37:24 Macintosh-2 configd[35]: setting hostname to "Macintosh-2.local"
Sep 22 20:37:24 Macintosh-2 mDNSResponder[23]: Note: Frequent transitions for interface en0 (FE80:0000:0000:0000:0214:51FF:FE97:7AA2); network traffic reduction measures in effect
Sep 22 20:37:24 Macintosh-2 mDNSResponder[23]: mDNSPlatformSendUDP sendto failed to send packet on InterfaceID 00805E00   en0/6 to FF02:0000:0000:0000:0000:0000:0000:00FB:5353 skt 8 error -1 errno 50 (Network is down) 1852859586
Sep 22 20:37:29 Macintosh-2 kernel[0]: USB (EHCI):Port 1 on bus 0x4b has remote wakeup from some device
Sep 22 20:37:29 Macintosh-2 mDNSResponder[23]: mDNSPlatformSendUDP sendto failed to send packet on InterfaceID 00805E00   en0/6 to FF02:0000:0000:0000:0000:0000:0000:00FB:5353 skt 8 error -1 errno 50 (Network is down) 1852860588
Sep 22 20:37:31 Macintosh-2 kernel[0]: UniNEnet::monitorLinkStatus - Link is up at 100 Mbps - Full Duplex (PHY regs 5,6:0x45e1,0x0005)
Sep 22 20:37:32 Macintosh-2 mDNSResponder[23]: Note: Frequent transitions for interface en0 (70.162.10.190); network traffic reduction measures in effect

My laptop randomly goes into sleep mode

I'll randomly be on a site or listening to music and then all of a sudden it goes into sleep mode. I'm very aware that it goes to sleep while you've been away from your computer, but it'll go into sleep mode while I'm using the computer. I changed the power setting so that it takes longer to get into sleep mode thinking that would help, but it doesn't. I ignored it at first but it happens more often now and its getting annoying. Sometimes I'll move the mouse pad to wake it back up and it sounds like its going to come back, bit it just goes to sleep again. Its really annoying and frustrating and I don't know what's wrong with it. Anyone have any idea what's wrong with it and how to fix it? My warranty expired this passed March and I can't afford to get it fixed.

"I put a new anti virus on my computer and the sleep mode problem didn't happen after I removed hazardous files on my computer."
Go to any good anti Virus removal forum, SpyBot S&D, Bleeping Computer, others, and start a thread.
They probably will want you to run a DDS log, ERUNT, follow there instructions!
The forum Volunteers that assist you on these sites are busy and it may take up to 3 days for them to start your thread, have patience, they will help.
You may have inadvertently removed/modified part of your operating system (keylogger/screencapture) when removing the malware.
Do not just rely on a recovery point!
Hope you have recovery disks made, and/or a mirror image.
> Was your question answered? Mark it as an Accepted Solution!
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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!

My Mac goes into sleep mode while playing videos or DVDs.

This started happening last week. I was watching Veronica Mars and all of a sudden my computer goes to sleep. At first I though it was because I had it on energy saver mode, but it just kept on happening. Tonight I wanted to watch Camp Rock on Disney XD and after a few minutes it shut down. I went on You Tube to watch my friend's videos and the same thing happened. Does anyone know what's wrong?

Welcome to Discussions - the problem is probably overheating, which causes your computer to sleep. Look in you Applications>Utilities>Console and see if your System log shows "maximum temperature exceeded for 30 seconds". This would indicate a problem with your Power Supply Unit or a faulty temperature sensor. You should take it in to be looked at.

How do I stop my macbook from going into sleep mode while watching netflix

Hi can somebody give me a hand?

Open System Preferences > Energy Saver
Move the sliders for as long as needed to watch the movie.
Deselect: Put hard disks to sleep when possible
After watching the movie, in System Preferences > Energy Saver, rremember to click: Restore Defaults to save wear and tear on the hard drive.

MBP randomly goes to sleep, even while I'm using it.

So, for about a week now, I've found that my MBP will go to sleep (as in the screen suddenly turns black). And when I press a key or click, the computer makes the sound that it does when it's coming out of sleep.
Now this isn't really a big issue at the moment, however I have no idea what's causing it and am afraid it could be a potentially bigger issue.
Anyone have any idea what it might be? Should I get it checked?

OK, that is one possible problem apparently out of the way. If it happens again (or if you can remember the times/dates of previous events) have a look in a utility called Console which keeps the logs. This actually seems to have changed with the 10.5.7 update and now has an "All Messages" section: useful if you have this. If not, the Console Messages, or one of the other logs might give information that could help in analysis.
As I suggested in the earlier posting, if there is nothing, that would point to a power management problem and a hardware repair. Console might help track it down if it is software-related.

Streaming audio from my IPAD to my Apple TV from Rhapsody application. when Apple TV go into Screen Saver mode, about 5 minutes after that it stops playing the Audio Stream and goes into Sleep mode.

I am Streaming audio from my IPAD to my Apple TV from Rhapsody application. when Apple TV go into Screen Saver mode, about 5 minutes after that it stops playing the Audio Stream and goes into Sleep mode. I am using the Optical Out from the Apple TV to my receiver, the Apple TV is hard Wired to the Network, the IPAD is Wirelessly attached to the network (it continues to play the Audio Stream). When the Apple TV is turned back on it resumes playing once I manual select it for output from the IPAD. All device are on current releases of software. I have no Video hooked up to the Apple TV. How do I correct this?

Intermittent problems are often a result of interference. Interference can be caused by other networks in the neighbourhood or from household electrical items.
You can download and install iStumbler (NetStumbler for windows users) to help you see which channels are used by neighbouring networks so that you can avoid them, but iStumbler will not see household items.
Refer to your router manual for instructions on changing your wifi channel or adjusting your multicast rate.
There are other types of problems that can affect networks, but this is by far the most common, hence worth mentioning first. Networks that have inherent issues can be seen to work differently with different versions of the same software. You might also try moving the Apple TV away from other electrical equipment.

Apple tv loses home sharing when my computer goes into sleep mode

Just recently, my Apple TV says that home sharing is off when my computer goes into sleep mode. It never used to do that - any suggestions?

I have the same problem here. Always back-ed up with Time Machine (OSX 10.9 Mavericks) to Western Digital drives. MyBooks, MyPassport 1TB (USB 3.0), all works fine. Time Machine is actually doing back-ups overnight. Since I got this new 2TB MyPassport Ultra USB 3.0 it's working perfect during days, but every morning when I wake up the MacBook from sleep, I get this annoying error:
Time Machine couldn’t complete the backup to “MyPassportUltra”.
Unable to complete backup. An error occurred while creating the backup folder.
Latest successful backup: Today, 02:27 am
I'm also not able to write anything to that drive, or unmount it. It stil shows up in Finder, and I'm able to read all the data perfectly fine. When I do a Disk Utility Verify Disk directly after, I get this:
Checking volume
disk3s2: Scan for Volume Headers
Invalid Volume Header @ 0: I/O error
Invalid Volume Header @ 2000021315072: I/O error
disk3s2 is not a CoreStorage volume
Error: This disk needs to be repaired. Click Repair Disk.
I don't click Repair Disk, as this will probably screw up my partition. Instead, I have to unplug the USB cable (which is bad for the drive, there's no time to park the drive's heads) and plug it in again. After clicking Backup Now, Time Machine immediately starts backing up, and the drive works fine the rest of the day.
I contacted WD Support, and they are sending me a booster USB cable. As System Information reports, the drive receives enough power though:
Current Available (mA): 900
Current Required (mA): 224
Unfortunately there's no firmware update for this drive, which will probably fix this. See this topic: https://discussions.apple.com/thread/4196704.

IPad 2 won't go into sleep mode while charging

In the past couple of days my iPad 2 will not go into sleep mode while it is charging. The screen will go dim, but never go black. Any suggestions? I know I can just push the button on the top to force it into sleep mode and it will, but I've never had to do that before. I've had this iPad for over a year.

this is a software glitch, i suggest holding the home button and power button together untill you see the apple then let go, do not slide to power off, if all else fails you might have to restore the device to factory settings, still doesnt do that then its a hardware issue, and its probably going to be 250$ or more to replace

My new nano keeps going into sleep mode every copy of minutes while music is playing. I can't figure out how to stop this. The user guide isn't too helpful. Any ideas?

My new nano keeps going into sleep mode every copy of minutes while music is playing. I can't figure out how to stop this. The user guide isn't too helpful. Any ideas?

This is usually a sign that your iPod's headphones are not plugged in all the way. Make sure that you cannot see any of the silver still showing from the headphone's plug. You should hear a sort of popping/clicking noise when inserting the headphones letting you know that they have been fully seated.
B-rock

Week old IMac G5, Version 10.5.2, goes into "sleep" mode randomly....

My sister has a brand new IMac G5, OS X version 10.5.2, the screen randomly will go black, it still stays on, it's like it goes into sleep mode, but force quit wont work, nothing works, restart is required in order to get out of it.
On another note, when she restarts the computer, and sometimes when she's just starting it up not on a restart, the computer will have colored lines running down the whole screen, when it gets to the blue loading screen, it freezes there, where once again it requires a restart. Problem is, the computer is less than TWO WEEKS OLD. I've had my mac for years and cant figure out the problem, anyone that knows of, or has had similar problems and had them fixed that could help out would be nice. Thanks!

In fact, what your sister has is an intel iMac, not a G5, those were discontinued a couple of years ago. She has telephone support for 90 days and should call Apple immediately for a solution to her problem.

HP Officejet 4620 All-in-One Loses Connection to Wireless Network When It Goes Into Sleep Mode

My HP 4620 All-In-One wireless printer works fine until it goes into sleep mode. Once it goes into sleep mode, it doesn't wake up if a print job is sent to it. If I wake it up manually by pressing the blinking on/off button, it still doesn't print. If I completely turn it off and then on again, the print job that was queued on my computer will start printing, but that's a huge pain and waste of time nearly every time I want to print. I've installed all available updates. I also assigned a static IP address in an effort to correct this but nothing helps. I see that others have complained about this problem, but I do not see that anyone has had success resolving this. My operating system is Windows Vista. I use a Link-Sys Wireless G Router. Thanks.
This question was solved.
View Solution.

so I have called HP tech support 12 times over the last 6 weeks and still my HP Officejet 4620 loses connection overnight. Of course becasue it was a birthday present I spent more time than I normally would have on this issue. While the tech are very polite they have not fixed my problem and now it is too late to return printer to store. This is a lot of money wasted and I think they need to admit this is a bug in this printer and resolve the problem!!!!!

How can I select shutdown & close the display w/o going into sleep mode?

I have learned to wait untill the MBP full shuts down before closing the display. In the past I have pressed shutdown closed the display only to find out later the MBP goes into sleep mode before fully shuting down. When I reopen the display the computer finishes the shutdown process or worse the battery is dead.
I would like to select shut down, close the display and walk away while the computer completes the shutdown process.
Is there any setup options or apps. that will allow this?
Thanks, Joe
(new to the mac)
MBP Mac OS X (10.4.6)

Well hello there, and welcome to Macintosh.
Unfortunately you can't change anything to stop this from happening. The shutdwn process goes about its business killing processes and applications that have been running. The sleep process interrupts ALL business going on in the OS, and puts the machine into low power mode, as it is not aware of the nature of the running processes (in this case, the shutdown process), knowing only that they must be slept and the machine dropped into sleep mode. You gotta wait it out before you close the lid.
I would suggest sending a message in OS X feedback requesting this as a feature!
If you find this response helpful or if it solves your issue, please click the appropriate icon in the header of this reply.

My iPad randomly goes into sleep mode while I am using it?

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