Imac G5 PowerPC Display shuts off intermittently

I have a iMac G5 PowerPC 2.1 GHz running 10.4.11. A few weeks ago I started having this problem where the display shuts off intermittently (as if it was going into screen saver mode). If I move the mouse or press a key the display comes back after a few seconds. I've made sure that I turned off all screen saver settings. I have yet to determine if there is a pattern to this behavior. It happens every few minutes on some days and not for several hours sometimes.
Any suggestions?
Thanks for the help.
Raj/

That seems to be happening to me and it's so frustrating. If my mouse pointer moves to the left corner apple it blanks out HELP? Also my display is going haywire if I'm on 1680x1050,millions i get vertical or some time horizontal green and pink to red lines anyone have a fix. supprt unless i pay a small fortune won't help. So anyone out there help? please?

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Hello. My iMac G5 Keeps shutting off by its self and then its very hard to turn back on. Also I have no sleep mode. It again will just shut off. I have replaced the battery but that didn't seem to help.

does something here help? http://support.apple.com/kb/TS1541
Message was edited by: EZ Jim

My Imac 27' screen is shutting off for no reason. The Imac is still running but the screen is black and stay like that. Is there anyone else with the same problem, and does somebody know what is this?

I had my Imac27' for about 1 year (I bought it january 2011) , and it worked fine. But two days ago a problem started. The screen is turning black suddently, and it stay like that until I reboot it. It's not cool. The first time it happen it was hafter a very long days of video editing, I tought it was to hot. But now I just started up the Imac and 10 minutes later it happen. And now I transfer my desktop on my second screen, because the one of my Imac is constantly shutting of. What is this? Can I do something about that?

I´ve came across with the same problem and when I look out for solutions I found out that basically I had Three options
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2.- Replace an expensive part of the screen (about $900)
3.- Try with an external monitor to see if the problem was the screen or something else
What I did was to plug my flat screen to my mac with a Mini Display Port to VGA Adapter
http://store.apple.com/us/product/MB572Z/B/mini-displayport-to-vga-adapter?fnode =51
And… Problem Solved! now Im going to buy a Monitor that gonna cost me less than half of the replacement parts, my main monitor will keep siting down if i dim it above the 2 dots but at least I will have the other to work properly
So that´s that, I hope someone finds this helpful
P.S. Sorry if my english it´s not that good

Imac G5 PowerPC Display shuts off intermittently

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