Computer goes to sleep whenever i try to render or save a large file

I have a g5 dual 2.7 running 10.4.6.
I almost only use photoshop cs and final cut pro 5. Everytime I try to render or export a fcp project or save a large photoshop file which takes more than say a minute to process the computer goes to sleep, the scree goes black and I can hear the hard drives stop whirring. There are some things which seem to be uneffected by this, but last night I wanted to render a 40 minute film in fcp, and left it rendering over night, when i came in in the morning it still said 50 minutes remaining, and it should not have been much more than an hour in total
can anyone help please.

You should check your Energy Saver settings in System Preferences. Change it so that it doesn't put your hard drive to sleep for at least 1 hour; longer if you know your rendering will take longer. Then, even if your monitor goes to sleep, your disks will keep running and the rendering should be completed.
Mulder

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Apologies if there is an obvious answer or post about this. Every time I try to initialize Time Machine, it will begin backing up until the computer goes to sleep or the screen saver kicks in. When I wake the computer up, I get a message that says "The backup was not performed because an error occurred while copying files to the backup disk." The message also tells me that the problem might be temporary and to try Disk Utility to repair the backup disk if the problem persists.
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I managed to get an initial backup only if I turned off the screen saver and the sleep function. However, once I turned them back on, I ran into the same problem when Time Machine tried to update the backup.
I am running OS X v.10.6.8 on an iMac5,1. The backup is a Toshiba 1TB USB external HD. I saw this same problem posted in the Lion forum (and I cribbed the title of this post from there). Nobody has offered a solution yet, but it was a very recent post.
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Oh yeah I forgot to say I use an ETHERNET connection.

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'.

Time Machine stops due to computer going into Sleep/Hibernation Mode

Time Machine stops due to computer going into Sleep/Hibernation Mode then restarts to try to start the Back up process again and again vicious cycle. I have made sure all settings are turned off. I have done one or two backups since the initial first backup. My HDD is almost full and I want it backed up before I try to clone/mirror the drive to upgrade it to a 1TB HDD. Thank you in advance.

Set the Energy Saver (in System Preferences) to Never. Then reset the NVRAM, as follows:
Shut down your Mac.
Locate the following keys on the keyboard: Command (⌘), Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the third time.
Release the keys.

Computer goes to Sleep, but doesn't wakeup

Hello,
I just completed a build per below, and mostly issues have been resolved. two nagging issue remains: my computer goes into "sleep" mode overnight and it doesn't wakeup in the morning; I have to cut power and restart. If I test immediately after placing computer in sleep mode, I can resurrect the computer normally. But if I wait overnight, computer doesn't respond and my only recourse is to cut power and restart.
I am using a wireless keyboard, but even with a USB keyboard I have the same issue. Comments appreciated.
ACPI = Enabled
ACPI Suspend = S1(POS)
Video off in suspend = yes
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Wakeup Event = Default
A 2nd issue involes the wireless keyboard. On boot, computer stops and notes "No keyboard attached." It is correctly cataloging an error since the driver isn't yet loaded, right? I am dead in water at that point. The only option is to set the BIOS so that it doesn't "Halt on keyboard error", right? This way it will continue to boot, load the driver, and I should be OK? Is this the mechamism that is normally used with a wireless keyboard/mouse? Thx.
Scott
PS I just flashed bios to version 7.5; I presume problem will still exist with this version, but haven't verified.

Quote from: jsmartin22 on 23-June-07, 22:27:11
A 2nd issue involes the wireless keyboard. On boot, computer stops and notes "No keyboard attached." It is correctly cataloging an error since the driver isn't yet loaded, right? I am dead in water at that point. The only option is to set the BIOS so that it doesn't "Halt on keyboard error", right? This way it will continue to boot, load the driver, and I should be OK? Is this the mechamism that is normally used with a wireless keyboard/mouse? Thx.
Try enabling "USB legacy support" in bios for this one.

Why do my programs close when computer goes to sleep

why do my programs close when computer goes to sleep?

What do you mean by "close"? Your open applications stay open when you put your computer to sleep. However, if you have an app like iMovie open, for example, and you are exporting a video, than exporting will pause when your computer is asleep.

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
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Checking volume
disk3s2: Scan for Volume Headers
Invalid Volume Header @ 0: I/O error
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Error: This disk needs to be repaired. Click Repair Disk.
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Current Available (mA): 900
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Leopard 10.5.6 quits when computer goes to sleep

Hello -
The moment my Macbook goes to sleep, the screen grays and I get a notice in several languages that OS X has quit. I force the computer to turn off by holding down the button. Then restart and - after being offered an opportunity to report the problem -- all is fine until the next sleep.
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Josh

CLARIFICATION OF THE ORIGINAL ISSUE:
The moment my computer goes towards sleep mode the multilingual message simply says the computer must be restarted. I get the OS X Quit message on restart, which may only refer to my force quit.
So... Removed the Ipod, pushed sleep, and had the same negative result. Tried it again after restart with the Ipod still disconnected with the identical negative result.
Still stuck. Any thoughts out there?
Thanks.

Computer goes to sleep while I'm working

Hi everyone,
I was hoping someone can pinpoint my problem and help me fix it.
My computer goes to sleep while I'm working on it.
Just by itself. Sometimes right in a row.
Does anyone know any tips that I can use.
I copied the contents from Console.app
and here is what I found:
sleep demand recorded: Thu Mar 1 08:14:57 2007\n\n
Mar 1 08:49:24 My-G5 EÊæÔ[137]: sleeptime recorded: Thu Mar 1 08:14:57 2007\n\n
Mar 1 08:49:24 My-G5 EÊæÔ[137]: waketime is: Thu Mar 1 08:49:24 2007\n\n
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G5 Mac OS X (10.4.7)

If you have issues with a Mac or display that goes to sleep at inappropriate times, you may have a problem with Energy Saver. Delete the following .plist files and restart:
-/Library/Preferences/SystemConfiguration/com.apple.PowerManagement.plist
-/Users/username/Library/Preferences/com.apple.systemuiserver.plist--
(username is your name or System Administrators name)
-/Library/Preferences/SystemConfiguration/com.apple.AutoWake.plist
A restart is very important after deleting these plists. After a reboot your Mac will then generate new ones.
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DALE

Everytime my computer goes to sleep it goes offline.

everytime I walk away and my computer goes to sleep it goes off line and I have to put my admin password to get in. the password is saved in the keychain.
annoying!!!
thanks for any help I can get!!!!

Your computer will go offline when it goes to sleep.
If you don't want it to go offline, then you shouldn't let it go to sleep.
There are applications on the app store etc that can prevent your computer from falling asleep.
Go to System Preferences ---> Security and Privacy.Uncheck "Require Password .......".
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IPod Classic auto ejects from iTunes after computer goes to sleep on Mountain Lion

I posted the following a few days ago in the Mountain Lion as I am suspecting the OS has something to do with it, but got no replies so I thought it might be good to post this here too in case this issue would be familiar to some of you.
I usually have both a 160gb iPod Classic (original) and a 16gb original iPod Touch plugged into my computer and connected to iTunes, so I can listen to tracks from the devices straight through iTunes. This has worked very well for years, but since upgrading to Mountain Lion, every time the computer wakes up after going to sleep when I haven't used it for a little while, iTunes ejects my iPod Classic, and I have to replug it, but it doesn't do it with the iPod Touch. This never used to happen before, and is a tad annoying when it happens recurringly through the day.
I have also noticed that, if the iPod is ejected, it seems to erase the play count for the tracks I was playing prior to the computer going to sleep. This is no major issue, but it seems a bit odd.
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Thanks

Hi there,
Thank you for your reply, that's much appreciated. In a way it makes me feel slightly better to know that it's nothing to do with my iPod, although it is quite frustrating. Don't Apple QA their products before releasing them anymore? I've had quite a few issues with ML since installing it. I understand you get bugs with new products, but that would be one quite easy to identify I'd think. Oh well, I'll have to suffer this like everybody else until Apple get it sorted.
Once again, thank you.

Cant connect to internet after computer goes to sleep mode.

Everytime my computer goes into sleep mode it wont let me connect back to safari. It shows im connected but wont connect. Can anyone help me?

Hi there. I have the same sort of problem with my MacBook. To get the internet working again I have to restart the system. Sometimes the same sort of thing (shows I'm connected but doesn't really connect) happens when I'm in the middle of using the internet. I've posted a topic ("Problem with AirPort?") about this also and I've gotten a few responses already. Maybe one of them can help you out (no luck for me so far though).

Looses network connection when computer goes to sleep... and password ques.

So... I browsed the forum (not too in depth...) and have found anything to help me on this issue.
When my computer goes to sleep I lose my connection. Even when I was testing it out and put it to sleep for five seconds it happened. So every time my computer goes to sleep I have to reconnect to my network and re-mount my external HD. Every time. And on top of that... when I type in my WAP password to connect... I check the option to save the password in my keychain and it never saves it. It saves the password to connect to the external HD, though... just not the network.
Anyone have an idea?

The keychain is pretty much a central place that stores usernames, passwords, and some kinds of cryptography information (certificates and keys). OS X provides an interface so it's easy for programmers to make their applications use the keychain. That way, all of your passwords are stored in one place. Useful feature, that.
Keychain Access is used to access things in the keychain. So if you have a program that doesn't use keychain, you can use keychain access to display the password for various things you've long since forgotten.
Keychain access is also useful for double-checking that something is in the keychain - or for removing things that are already there that you don't want to have in the keychain.
As for two passwords for your network - that sounds correct. One is for the network, and the other is for the AirPort Base Station. Keychain Access has the "kind" column, and there are two kinds of entries:
AirPort Base Station Password: This is not used to access the network - it's used to configure the base station.
AirPort Network Password: This IS what you use to access the network.
Though your mention of "login" and "system" passwords is making me think you may be talking about the passwords for the "system" and "login" keychains.

Internet goes stale after computer goes to sleep and then needs to be rebooted to function properly

I mac with retina 5k display
internet goes stale after computer goes to sleep and then needs to be rebooted to get it working again
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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, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login 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, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

Computer goes to sleep and ipod won't charge

when i leave my ipod connected to charge overnight, it only ends up charging the 20 or so minutes before the computer goes to sleep - how do i correct this?

Absolutely.
I suggested this as a workround for those who (like me) wish to keep the option to sleep when not in use. It prevents one having to change settings every couple of days to charge an iPod. Simple and elegant, like all computer fixes should be
JC

Computer goes to sleep whenever i try to render or save a large file

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