Putting my Intel based iMac to sleep or shut down?

What are the pros vs cons for this?
Thnaks

I run my machines 24/7, only sleeping the display and never the computer or HDs. Powering on and off put the most strain on electronic components. The amount of electricity saved isn't worth the cost of replacing things. My 2¢.

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When I click on my Imac to sleep, it shuts down instead

When I click on my Imac to sleep, it shuts down instead

Hello, Hank.
Thank you for visiting Apple Support Communities.
Here is an article that I would recommend when experiencing this issue.
OS X: When your Mac doesn't sleep or wake
http://support.apple.com/kb/TS5357
Cheers,
Jason H.

Put imac to Sleep or Shut Down

What's up guys
I'm just wondering, I use Logic pro
a lot and I would like have quick
access when I have a creative urge.
How often should I shut down my imac
as apposed to putting it to sleep?

Several schools of thought:
1) never shut it off (but it's OK to let the display sleep, i.e., go to screen saver, but never let the computer or the hard drives go to sleep)
2) turn it on and off as needed
3) put the computer to sleep (including display and hard drives) when not being used
Considerations:
1) "always on" --- if having immediate access to your computer to get down creative ideas ASAP is important then there should be no other factors to consider.
2) "on/off as needed" -- the exact opposite of #1
3) "sleep" -- a happy medium? It depends... Waking a computer from sleep still means that you have to wait a while before you can start to record. You should experiment with your system to see how successfully it wakes up after being put to sleep before committing to this practice. Sometimes a system won't wake up from sleep and you'll have to re-boot anyway.

IMac G5 Sleep/Restart/Shut Down Not Responding - 10.4.11

I have a 20" G5 PPC iMac running 10.4.11 with 2.5 GB RAM.
I recently restarted the machine after it had been shut down over a long weekend.
Everything booted up and worked as usual until I tried to load iPhoto, which froze with the spinning wheel. I wasn't able to force it to quit, so shut down the machine. Restarted, iPhoto loaded, everything seemed as normal.
However, by habit I usually select Sleep from the Apple menu when I'm leaving the machine for a while - now Sleep does not work via the Apple menu (it works as normal when left as per the time set in the Energy Saver settings). I noticed that after I tried to make the machine sleep I was also unable to use the scroll functions in Firefox - unsure if this is connected.
The Restart and Shut Down and other commands from the Apple menu also do not work, if they are selected after Sleep has been selected from the Apple menu and the machine has not consequently been manually shut down (i.e. via the button on the back).
I've shut down and restarted several times to no effect and and have run Disk Utility, which found nothing to be repaired.
Now If I start up and then select Sleep from the Apple menu without first launching any other programs, the spinning wheel appears and I'm unable to click on or select anything on the desktop or from the Apple or Finder menus. The only way out is to manually switch off.
Can anyone suggest what may be wrong and how to go about fixing it?
Thanks in advance.

I've tried playing around with the Energy Saver settings in System Preferences - any attempt at changes or restoring defaults gives the spinning wheel and an application not responding message.
Shut Down and Restart now appear to work from the Apple menu, but the machine will now not sleep at all (even if left until it should do so according to the Energy Saver settings).
Any ideas?

Imac to sleep or shut down ?

Many users like to leave their iMac on sleep position , but I've noticed that the inside FAN still working .
What to decide over night ?
Thanks

I leave my machine on 24/7 and only let the display sleep. When I get "wake" it the temps are typically:
HD                              37
CPU                            32
Airport Control Card     42
GPU                            39
HD Bay                       39
Mem Controller            37
Power Supply              56

Intel-Based iMac never sleeps automatically

I can't remember when this started happening, because I would often leave downloads running overnight, and I set Transmission to keep the computer awake. But now, even on a fresh boot, the computer won't go to sleep by itself.
It sleeps fine if I press command - option - eject or the power button, or even from the menu, but it does not want to go to sleep without help.

Hi sebastian406
First reset the iMac's SMC as described in the article below:
http://support.apple.com/kb/HT1543?viewlocale=en_US
Then if it still won't auto sleep move on to the next article:
http://support.apple.com/kb/HT1776?viewlocale=en_US
As you can see in the article there are lot of things like connected devices HD, iPod, etc. or the sharing services of the Internet and iDisk that can cause auto sleep issue's.
Dennis

Using a PPC backup for an intel based iMac

I used my external hard drive with my PowerBook TM backup to migrate my data to my new intel based iMac. Afterwards I formated the external hard drive to the GUID scheme and initialed a TM backup. But somehow in the midway TM stopped backing up and produced this error message:
+Starting standard backup+
+Backing up to: /Volumes/Backup/Backups.backupdb+
+Event store UUIDs don't match for volume: Macintosh HD+
+Event store UUIDs don't match for volume: Medien+
+No pre-backup thinning needed: 71.14 GB requested (including padding), 285.93 GB available+
Is it not possible to use a PPC based TM backup to restore it on an intel based machine?

Well, that's not what the error means. There's a problem with the UUIDs of the volumes involved. However, that said, no you cannot put a PPC version of OS X on an Intel Mac. However, you can restore your data from any TM backup. But if you did a full system restore from your PPC system backup to the new machine, then you have a problem for which the only solution is to erase the internal drive and reinstall OS X using the original discs that came with the new computer.
I'm not really sure what you are trying to do, but if you actually formatted the external drive and re-partitioned it using GUID and are now trying to initiate a TM backup of your new Intel Mac, then I recommend you simply reformat the external backup drive Mac OS Extended, Journaled (and check to be sure the drive is partitioned as GUID,) and then reconfigure TM preferences and start a new backup.

What can happen to an intel-based iMac when a power outage occurs while it is on and I unplug it to avoid a surge when power comes back?

The power went out today, while I was using my intel-based iMac (2008) and I rushed to unplug the power from the wall, before the poser could surge back on. Did I do damage?
I have a surge protector that it was plugged into, but I thought just to be safe I should unplug!
Thanks, Group!
artdough

Good point!
Art a surge protector (a good one) is designed to provide contant power to the devices that are plugged into it. This is good in the event of a surge of power up or down however in the event of a complete power outage they're of no value.
A UPS (Uninteruptable Power Supply) is just that, it has surge protection like a surge suppresor however it also has a battery integrated into it. The battery is designed to provide enough power for a user to do an orderly shutdown. In addition most UPS's can also plug into your iMac via a USB cable. Then you can set energy saver preferences that you cannot see now. For example you can set how long the computer should run in the event of power going off. You can also set if you want the computer to reboot or not when the power comes back on etc. For about $100 you can get a fine UPS that will add an additional layer of protection for your computer and give you extra peace of mind.

User Contributed Tips in Intel-based iMac Your Intel-based iMac Display

*The following User Contributed Tips are located in the Intel-based iMac > Your Intel-based iMac Display forum:*
a brody - Using a second Mac as a display for a first
http://discussions.apple.com/thread.jspa?threadID=1587927
Publish date: July 7, 2008
*The following related tips are located in other areas of Apple Discussions:*
See also User Tips Library

My 20" 2.16 GHz Intel Core 2 Duo had become almost useless due to freezes and crashes- with NO crash reports in the logs.
They were often preceeded by video glitches, so I assumed it was a bad video card- unfortunately soldered to mother board.
Apparently, from forum postings, this is not an uncommon problem. The computer would run longer if the day was cooler, but rarely more than 10 minutes, so I suspected it was aggravated by heat.
Then I found this post from Bodomann on an Apple Support forum:
"Following up on my previous posting regarding my son's late model 2006 iMac that required a $900 logic board replacement:
Turns out the problem is apparently related to a bad CPU temp sensor. I installed 'iMac Fan Control' (Google it) which reported the CPU temp always at 32 degrees Fahrenheit (obviously incorrect). The same software allowed me to adjust the CPU fan manually. After multiple trials I set the CPU speed to 2800RPM after which the system would run forever - never freezing with the dreaded grey box 'reboot me' screen. I tried several times reverting the software to default speeds and the system would always crash within 10 minutes. "
I downloaded free Fan Control 1.2 for Imac from Derman Enterprises (they have an Intel iMac and a Mac Book/Pro version). It installs as a system preferences control panel. I cranked up all three fan speeds. The fans sped up noticeably. Horizontal lines have gone from screen (so far), no color artifacts and no crashes yet. I may have a real computer back! Hope Apple checks this out-
The control panel also gives the temps sensors are reporting at the CPU, hard drive and DVD drive. The CPU sensor reports the CPU temp as 32 degrees F- which is clearly wrong, unless Apple has been installing little refrigerators inside.
So thanks to Bodomann for posting- Hats off and three cheers to Derman and Cristoph for source code.
http://www.derman.com/iMac-Fan-Control
http://www.lobotomo.com/products/FanControl/index.html

My old Intel-Based iMac is no longer recognizing USB wired input devices; it only recognizes Bluetooth. What happened?

My friend's old Intel-Based iMac is no longer recognizing USB-wired input devices (Kensington TrackBall, Logitech Mouse) plugged into any USB slot at the back of the computer.
They were working before and for many years.
All of a sudden, A pop up window came up. IT said no Bluetooth mice could be found. We don't know what set off that window to pop up and look for a WL mouse. It never has before in the 5 or more years my friend has been using this computer.
I supplied a wireless Apple mouse and his is back running again.
But want to know why his USB-input devices (Except his keyboard) are not being recognized. He would prefer to use his Trackpad (Wired), but can't find anything in SYstem PReferences to allow that. The computer only seems to want a Bluetooth input device.
Anyone have an idea what happened and if this can be reversed?
I think he is still running Mac OS X 10.5.8.

Hi Carol, lets try this...
reset FW bus, same goes for USB reset...
Reset the Firewire bus
If your Firewire or USB isn't recognizing any device. A solution which has worked for some whose hard drive became invisible in 10.4 was simply to follow these four steps to reset the Firewire/USB bus:
1. Shut the machine down.
2. UNPLUG the power lead to the computer and any firewire/USB drive/devices.
3. leave it for 10 minutes.
4. Connect back up and reboot.
http://www.macmaps.com/firewirebug2.html

HT1338 Left hand side of monitor dims on 2011/intel based iMac-any suggestions?

Left hand side of monitor dims on 2011 /intel based iMac-any suggestions? Called apple support. Restarted-didn't help. Unplugged my second monitor from the thunderbolt port-didn't help. Unplugged center cord in the middle on the back of the monitor-waited 15 seconds, restarted, held down option-command-p-r and this didn't help. Apple support thought that it was most likely a video card/hardware issue, but would like to hear of any other trouble shooting suggestions.

Not a hardware issue, since it shows up in a screenshot. Please boot in safe mode, launch Safari, and test. Same problem?
Some things won't work in safe mode, possibly including wireless networking.
After testing, reboot as usual (not in safe mode.)
Mac OS X: Starting up in Safe Mode

Hi . i have Intel based iMac. i erased whole hard disk. now it flashes folder icon with question mark... i have no internet or orginal dvd.... i want to clean install any mac osx..friend got mac book pro and osx in dmg format . what are my options?

hi . i have Intel based iMac. i erased whole hard disk. now it flashes folder icon with question mark... i have no internet or orginal dvd.... i want to clean install any mac osx..friend got mac book pro and osx in dmg format . what are my options?

On your friend's computer with an internet connection, log into the Mac App Store with your ID and download Yosemite from the Purchases section of the Mac App Store. The make a bootable USB install media using
http://liondiskmaker.com/
Then boot from that on your computer and install
You need an internet connection to install via Recovery mode

I have an Intel based iMac that has just developed two small spots on the screen. One 1/8" circle at bottom and a tiny circle at top. The fading on and off light isn't working anymore either. Does anyone know anything about this?

I have an Intel based iMac that has just developed two small spots on the screen - they look light brighter spots on the screen. One 1/8" circle at bottom right and a tiny circle at top right. The fading on and off light on area surrounding the screen isn't working anymore either. Has anyone else had similar problems? Any solutions? Thanks!

One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts>Login Items window to see if it or something relevant is listed.
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Also look in these if they exist, some are invisible...
/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
/Library/LaunchDaemons

2007 intel based iMac has the white screen of death with the mouse visible?? WHATSUP

My 2007 Intel based IMAC has the white screen of death with the mouse cursor as the only visible item. What is up with this? Is this the equivalent of the windows blue screen of death?
Doug

Read the "More Like This" thread links located at the bottom left of this page.

Intel based iMacs won't netboot

Hi,
I'm trying to get two labs of intel based iMacs to netboot. I cannot get them to boot from my MacOS 10.4.7 server (Dual G5 1.8Ghz PowerMac). I have sucessfully used the server to netboot almost 100 PowerPC macs (either eMacs or iMac G4's). Is there something special that has to be done to netboot an intel iMac? I created my boot image from the OS X install DVD that came with one of the iMacs. I'm really stumped, any help would be greatly apprecaited

multiple network and netboot server problems caused this, it hds been resolved

Putting my Intel based iMac to sleep or shut down?

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