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imac will not turn on after power outage

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IMac won't start due to power outage

A transformer blew here in town the other night, and we lost power.  Prior to that, there were two other power outages due to weather, but my iMac recycled and turned on fine after that.  Now it won't turn on at all.  Yes, I have read through all of

Imac will not start up after power outage

My iMac G5 will not turn on after the power went out. I can hear a clicking noise which seems to be coming from the fan/power supply area when it is plugged in. Nothing happens when the power button is pressed. Tried resetting PMU and still nothing.

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

After a power outage my imac will not let me log in to the adminstrator, it just comes back to the log in screen

Can somebody help? We had 3 power outages in quick succession and now my imac will not let me log in, it just comes back to the log in screen.Hello, What OSX version? If 10.7.0 or later... Bootup holding CMD+r, or the Option/alt key to boot from the

HT3964 Had a power outage. My iMac comes on but screen is black. How do I get the screen to light up again?

Had a power outage and my iMac is on but the screen is black. How do I get it to light up again?Your system may have suffered hardware damage if not connected to a UPS  (Universal Power Supply), you can try doing a SMC reset, please click iMac SMC an

Where on the iMac is there a record of a power outage?... time?, duration?

Where on the iMac is there a record of a power outage?... time?, duration?Nope, the APC BX1500G Back-UPS XS 1500 UPS uninterruptible power supply http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BX1500G got activated. APC Powe

IMac won't boot after power outage

I got a power outage a couple of hours ago. And now my iMac won't boot. When I power it up, it gets pass the white screen with the apple logo. The screen than turns blue with a spinning cursor. The cursor spins for about 10-15 minutes and stops but t

There was a power outage while I was asleep and my Imac was on. Now it is comatose, no sign of life no matter what I do. Help anyone?

There was a power outage while I was asleep and my Imac was on. Now it is comatose, no sign of life no matter what I do. I pressed the power on button for over a minute and nothing happened. I unplugged the cable and changed the wall socket too but n

IMac (Intel) only displays white screen with Apple after power-outage

Last week, we had a power-outage.  iMac is plugged into a surge protector. When power was restored, powered up the iMac, but it will not get past the initial white screen with the Apple logo and the spinning black/white wheel.  I have tried shutting

Why is that whenever there's a power outage or whenever I restart my computer sometimes my iMac wont completely load up? It will just  show a blank white screen. It will do that for a few days until it decides to fully load up.

Why is that whenever there's a power outage or whenever I restart my computer sometimes my iMac wont completely load up? It will just  show a blank white screen. It will do that for a few days until it decides to fully load up.First step would be a P

IMac won't go to sleep after power outage.

My iMac suffered a power outage for approximately 10 seconds and powered back up after an extended start up apparently okay. That was until I tried to put it to sleep. Since this outage I cannot put the iMac to sleep. It simply does not repond to pre

IMac does not restart after power outage

How can I get my iMac to restart after power outage? I'm on Snow LeopardDoesn't restart or doesn't power up at all? Either way, try a SMC Reset. http://support.apple.com/kb/ht3964Read other 3 answers

After a series of very short power outages in my town our Imac boots with the pinwheel going and a progress bar, then the users screen comes up but our passwords no longer opens up desktops, just returns to the users choice screen.  What should I do?

I'm on the choose a user screen and when I enter the password the screen goes white then returns to choosing a user. The system is rebooting differently when I tried turning off then back on, the pinwheel screen has a progress bar and it takes minute

Power Outage and Now Ethernet Not Working and When Imac Goes to sleep...

Last I had a power outage, now my ethernet connection does not work, I have switched cable powered everything off and back on, still nothing. Also since the outage when my MAC goes to sleep it does wake back up. Any Ideas?????Russ, Try booting up fro

Unable to load OS bound to a domain after power-outage

I currently manage 200 2013 iMac but since installing Yosemite I've noticed that after the macs are joined to the domain and a network user is using the machine and a power outage occurs ALL iMac running Yosemite will not boot up. The boot process re

Imac will not boot up after power failure

Does anyone know why i have to unplug the power cable from the back of my imac after every power failure at my home to get the imac to boot up.  I've tried resetting the surge protecter and unplugging there.  However, the only option is to unplug the

Photoshop fails to run or re-install after power outage

I experienced a power outage while performing an update to Photoshop via Creative Cloud on my iMac.  Since then I have been unable to use or re-install the app.  Initially when trying to re-install, Adobe Application Manager would run through most of

Everything works fine, but my LEDs are flashing amber since a power outage

I'm not having any issues with my new Airport Express base station, except that it's flashing amber all the time. This happened recently after a power outage in my house. It was odd also that a soft reset reset the base station as if I had done a har

Auto Save - Lost My Homework - Power Outage

Help - I am brand new to Mac - I love my new iMac 24", but the power went out tonight as I was in the middle of my homework assignment. I was using Pages to write my report and had not saved in the last 30 min's. I lost everything I had done! Can you

Why can't I use old Airport Express this week after power outage?

After purchasing a new Airport Express station, my older one was also able to work (the older is Model A1084). It connected "under" the tree of the new Express in the new Airport Utility (under OS 10.10.1 Yosemite).  I could see the same hierarc