Blank screen on Apple Cinema HD 30"

Am trying to install SL on latest model of Mac mini running an Apple Cinema HD 30" display. At start of install SL indicated 45 min. install, soon after the horizontal install bar indicated 1 hr 6 min install time. After returning to Mac mini after 45 minutes Cinema display is black and pressing on space bar or mouse does not wake the display. Without any display information I am completely clueless as to whether SL install is in progress completed or ???? Started from Mac OS X 10.5.8. Any suggestions appreciated

In continuing my research on this topic, I found this article:
http://support.apple.com/kb/TS5198
Short version, the 23" Cinema HD is among one of several older "vintage" Apple displays that are no longer supported under Mavericks. No brightness control, and it's likely to not work reliably at all. I can't say why I was able to use it for as long as I did with no problems. I take all this to mean that the display itself works fine, but not with my new MBP Retina.
Though a tempting excuse to spend another grand on a 27" Apple Thunderbolt display, I opted for a $250 HDMI monitor from Fry's instead.

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Hi my iPhone 4 won't turn on . When plugged in on several different chargers the following happens . Blank screen then apple sign for a short period then it buzzes and goes blank. When connected to mac get message that phone is in recovery mode and that

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Hello, Chantal105
Thank you for visiting Apple Support Communities.
If your device is in recovery mode you will need to restore the device.
If you can't update or restore your iOS device
http://support.apple.com/kb/HT1808
Cheers,
Jason H.

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http://ipad.about.com/od/iPad_Troubleshooting/ss/What-To-Do-When-Your-Ipad-Wo-No t-Turn-On.htm
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http://support.apple.com/kb/TS3281
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http://ipadacademy.com/2010/11/ipad-frozen-how-to-force-quit-an-app-reset-or-res tart-your-ipad
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https://support.apple.com/en-us/HT200197
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Hello there linda,
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Hello Matthew Kentgen,
Thank you for using Apple Support Communities.
For more information, take a look at:
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Hello impossible to start my computer blank creen with apple and circle always turning without stop

Question : need help imossible to strat my computer i Mac 27' (bought June 2011) OS X Lion always get blank screen with apple and circle always turning without stop

Reinstall Lion:
Reinstalling Lion
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alterhatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
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Running an Alarm app (now removed) when I noticed my phone alternating between a blank screen & my passcode screen. Powering off and the hard shutdown did not resolve problem. Plugged in headset, phone works normal. Remove headset problem returns.

iPhone 4 - - I was trying out the Alarm 4 free app. I set the alarm for 2 minutes into the future for a test. After one minute my phone naturally went to auto-lock and into sleep mode. At approximately the time the alarm should have activated I noticed my iPhone 4 alternating between a blank screen with the apple logo to the passcode screen. The passcode screen is only visible for a short moment so I am unable to attempt to input my passcode.
I tride a normal shutdown and the "hard" shutdown. The shutdowns work OK but when the phone comes back up it returns to the blank screen with apple logo & passcode screen loop.
The interesting part - - I plugged in a headset and the phone works normal! Unplug the headset and the phone returns to the "loop".
BTW - yes I did remove the Alarm 4 application!
I also turned off the auto-lock feature. With the auto-lock off the phone loops between the blank w/apple logo screen and my home/slide-to-unlock page.
So - - - as long as I leave the headset plugged in the phone works normal. If I remove the headset my phone reverts back to the "loop".
Any ideas?

As a matter of fact I DID get my phone to work. "Google" the term "recovery mode for iphones".
You'll find lots of hits.
Here is an example -
http://www.tipb.com/2009/01/29/iphone-101-put-iphone-recovery-mode/
There are a few different explanations throughout the Google-world. Some are better explained than others.
Bottomline - it worked!!!!
Be advised the Recovery Mode is truly a last ditch effort. In essence you will completely wipe your phone of everything and "recover" it to straight-out-of-the-box. Be warned!
Good luck!

Blank screen on Apple Cinema HD 30"

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