Analogue Power Save Mode

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Analogue Power Save Mode
gazza
SE Queensland, Australia
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July 15, 2011 - 7:47 pm

A friends PC has a problem - when she turns it on, it displays message "Analogue Power Save Mode" and then screen goes blank and nothing happens. I have never heard of this problem before. Has anyone struct this problem before, if so what was solution?
I suspect that this is a hardware issue as Windows never got to install.

Success is the ability to go from one failure to another with no loss of enthusiasm. (Winston Churchill)

Jim Hillier
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July 15, 2011 - 8:10 pm

Hey Gazza - That's a pretty standard message on some monitor brands. Generally means the monitor is working OK but not receiving any signal. That can easily be checked by connecting the monitor to a working machine (use a known working cable too ).

Considering that "Windows never got to install", I would tend to agree with your suspicions.....PC hardware issues.

Would need to know a little more about the history before going any further. How old is the PC? What was it that made it necessary to try and clean install Windows in the first place? Seems there must have been some problems already?

Cheers....Jim

gazza
SE Queensland, Australia
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July 15, 2011 - 9:09 pm

Sorry Jim - wrong terminology - not install but run. Windows already installed on PC. This problem just appeard out of no where - it was being used normally previous day and shutdown OK. This message just appeared when satarting next day.
Could be monitor not connecting so will try that - most monitors generally show [i:2a4uyj5g][b:2a4uyj5g]No Signal[/b:2a4uyj5g][/i:2a4uyj5g] if no connection or video card not working.

Success is the ability to go from one failure to another with no loss of enthusiasm. (Winston Churchill)

Jim Hillier
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July 15, 2011 - 9:27 pm

Oh, okay Gazza...no problemo!

If the monitor is connected to a dedicated graphic card, then the card might be kaput. Can sometimes fix the problem by removing the card, cleaning the contacts with white spirit (metho will do) and then replacing the card.

If the monitor is connected via onboard graphics then first thing I would be doing is checking RAM. Do the same with any RAM cards; remove them, clean the contacts and then put them back in. If still no joy; Memtest86 provides memory (RAM) diagnostics via bootable CD. If you go that route, keep in mind that the diagnostic tool with just keep running ad infinitum. Run it for about 30 - 60 minutes and see if it finds any errors.

If it turns out that the RAM is okay, then it is probably something more serious....most likely faulty mobo.

How old is the machine? Is the machine making any beeping noises when you switch it on??

Chad Johnson
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July 15, 2011 - 11:03 pm

I'd try replacing the cable first...or trying the monitor / cable combination on another computer to test. It's possible for the video card to go out with no warning, but most likely it's the cable.

Jim Hillier
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July 15, 2011 - 11:44 pm

Zig - This from my initial response......[i:23vcbkvg]"That can easily be checked by connecting the monitor to a working machine (use a known working cable too )"[/i:23vcbkvg]

Also, the machine [b:23vcbkvg]will not boot[/b:23vcbkvg] mate. Surely that has to be indicative of internal hardware problems, more so than anything to do with external cables or the monitor??

Chad Johnson
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July 16, 2011 - 1:40 pm

Yeah, I saw that in your first post. I was re-emphasizing it.

How do we know the machine isn't booting? Because the monitor isn't getting a signal? Or is there a specific PC message being displayed? From all indications, the monitor is not getting a signal and for all we know the computer is booting fine. Before we tear into the innards or do something complicated, I like to start with the easy to access fixes - especially when they are cheap.

I suppose the simplest way to test is to pop a Live CD (ubuntu, knoppix, fedora, etc) into the drive, and boot from CD, but if BIOS isn't appearing at all, it lends itself to something in the monitor, cable, video card arena.

No offense intended to the OP, but reported symptoms don't always match observed phenomena. To most people it looks like the computer didn't boot, when in fact the monitor simply isn't receiving a signal...

So, my first steps would be to verify the monitor and cable work by using them on a known working system, as you first suggested. It didn't appear that that had been done yet.

And there are times I've had people try this and they discover the monitor cable had fallen off the back of the computer because it was not properly attached. Simple steps first mate.

--Zig

Jim Hillier
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July 16, 2011 - 5:32 pm

Fair nuff Zig.

gazza
SE Queensland, Australia
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July 17, 2011 - 6:46 am

Thanks for all your help.

I finally got to examine the PC as I was getting nowhere dealing over telephone. After some simple basic swap out of parts, it was the vidoe card that was faulty. Replacement of the video card fixed the problem. Must remember the "Analogue Power Save Mode" message as on most monitors I get a "No Signal" message with no video.

Success is the ability to go from one failure to another with no loss of enthusiasm. (Winston Churchill)

Chad Johnson
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July 17, 2011 - 8:01 am

Dang. I hate being wrong. :/

Glad you got it working though!

Jim Hillier
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July 17, 2011 - 2:10 pm

Glad to hear you got it fixed Gazza.

gazza
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July 17, 2011 - 6:51 pm

I think the 2 Moderators need a Moderator - HA! HA!

Success is the ability to go from one failure to another with no loss of enthusiasm. (Winston Churchill)

Jim Hillier
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July 17, 2011 - 7:06 pm

Hey Gazza,

LOL.

Yep, I suspect Ziggie must have misconstrued. The second post I submitted was, of course, meant as a follow up, for further steps [i:2jo7pwft]after[/i:2jo7pwft] you had checked and found that the monitor was working okay.

Just a wee breakdown in communications.

Chad Johnson
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July 17, 2011 - 10:33 pm

[quote="gazza":1yr4bca6]I think the 2 Moderators need a Moderator - HA! HA!
[/quote:1yr4bca6]

LoL - we're all good. Jim and I are just overly eager to help people sometimes.

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