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I boot up begin manipulating data or surfing for about one and a half hours. New Dell 20" FLAT PANEL monitor screen goes black, followed by the now all too familiar "Warning: Entering Power Save Mode". Tower crashes to power off... no lights. Monitor power ind. lt goes orange and pulses. Attempts to immediately reboot in less than 45 minutes to an hour result in same "Warning...etc."followed by immediate power down of both tower and Monitor. I have spent several hours online trying out such cures as removing all cables (reluctantly), repluging them... same failure and crash. I have a two year old Asus A8V-XE M/B with an AMD Athlon 64 bit dual core cpu. whicch seems to be doing it's job as long as it gets power. ASUS Techie suggested that the CMOS CELL BATT was failing and should be replace. So I went to WalMart on his recommendation and bought a new cell (abt $5.00) No Go, system still crashes. Back to Dell: Dell techie says supervisor says that if the monitor shows a good graphic on the screen, it ain't the monitor! Techie says that boss says it is undoubtably the graphics card and I should get a new one right away. So... $76.00 + later I mount a new GeForce 9500 GT card... No Joy! I left a previous msg here describing these same symptoms and "cures" and included my observation that I always told myself to go cool off while the dam thing reset itself or whatever... My epiphany out of this was that I was lettting the system itself cool off. I felt the box over the PS and it was HOT. There is a built in cabinet over this desk and the builder installed a two lamp fluorescent fixture. Lots of light! However no. two. The end of the fixture was three inches away from my two year old Thermaltake 430 Watt PS. Obvious conclusion? Blow some air on it. 7" HV fan installed on desk top, now blowing, tower is nice and cool... just as it was a moment before the system crashed over two hours ago. All critical components were replaced new in 2007 due to an unusually violent lightening storm over central Florida where I live. Fried items replaced: ASUS M/B AMD CPU POWER SUPPLY GeForce 7500 Graaphics card Added one additional cooling fan in power on ckt. Every thing was working fine until I moved two houses away, bought and installed a new Dell monitor. The only thing I haven't done is upgrade my cpu BIOS. I have tried but the system crashes before I can navigate thru the AMD driver download protocol. Other anomalies concurrent with monitor change: Desktop format, icons, fonts etc has gone to super tiny mode. I have to use a hand magnifier to read the stuff. I have macular degeneration, both eyes and that's why the new 20" screen. Post boot pop-ups: I get this starange msg. box telling me that the cpu can't find the necessary files to load "Photo Gallery". As far as I can tell, I don't have Photo Gallery in my system. My friend it's a real P.I.T.A.. If you can include these last to nuisances in the cost of solving the Power Save Mode issue, go ahead with my thans. If not...skip them. they are not critical, just a nuisance. See you at the sign up page... Sam (disgruntled Bear) Haynes

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  • shpathfinder Jul 20, 2009


    Hi Ted...

    For beginners, my family nicname was also Ted... a long and complex tale.

    I tried both problem defining tests with these results.

    Opening in Safe mode had no effect.

    Reinstalling my old CTX... Crash occured after about five hours of continuous running. I did not have my 9"
    auxilliary fan blowing cool air on the Tower and the tower was relatively cool.

    So, pilgrim, what is our next step?

    Waiting at 1000 am, Monday

  • shpathfinder Jul 20, 2009

    Ted1430...
    Yo, Pilgrim! I have resolved the tiny icons and fonts. The resolution was accomplished by changing the resolution. Duhh! Stroke of epiphany, luck or whatever... I recalled a test done several years ago when I was trying to increase screen RESOLUTION and found that the higher resolution I set, the smaller everything became. So I went into 'display' on the ctl pnl and reset the slider to about 50 per cent. I can now read the bleeding screen.

    What do we do next?

    Sam (/wakjubg /bear) Haynes


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Sam, I doubt that the monitor would be the cause, but stranger things have happened in the world of computers.
I would be tempted to use another monitor temporarily if that is at all possible This will surely eliminate one component from the suspicion file.

I have also wondered whether it may be something as simple like windows power saving mode is also a contributor to this fiasco. I am presuming you have disabled this function via the control panel?

I touch on this from my own experience with a laptop that did similar things when power saving on monitopr and HDD was used. I could never get it to tuen back on after it shut down and it went back twice for repair until some bright spark hit on that as a solution. Vista op system too but somehow it mucked up the Toshiba big time.

Your reference to overheating. This overheat may have caused this to happen in the first place, as you may know if pc's are in a confined space and **** diurt and dust inside the unit will overheat and will shut down until it reaches a suitable operating temp. I note you have added cooling externally, but what I am suggesting is it may be after the fact.

These are all shots in the dark I know but often it is the simple things that we overlook. It is also difficult to often diagnose from afar with minimal ability to see 1st hand what is already in place.

I will put this back to others to also pick up and see if they have any clues beyond my own small input


Posted on Aug 12, 2009

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It seems that the power supply (SMPS) in your computer is unable to supply power to all the components. But before you get a high power SMPS, I'd recommend you to disconnect some of the components and then check. You may open up the cabinet (leave it open till this test) and disconnect one of the cooling fans of cabinet (not of CPU), florescent lights and use the external fan to cool off the system. In case you have an onboard graphics card then you can also try disconnecting the nVidia graphics card during this test. Also take off some other devices like modem or sound card if installed (which are not onboard) and then check how long the system runs? The main idea is to lower the power consumption. Also is the power supply of your Monitor directly attached to the CPU tower? If yes, try plugging it directly into another socket in UPS or directly into another wall socket and then check.

Posted on Jul 20, 2009

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Let's take it a step at a time and try to eliminate hardware as the problem. Two simple things we can try that should help to narrow it down.

First, if you have the old display or can borrow another, try replacing it termporarily. I know this is not a viable solution but the resulting behavior willbe informative.

Second, try booting into safe mode with the Dell display. Use the F8 key during boot to do this. See if you can keep the unit running like this.

Let me know the results of these two tests and we'll try to move on to the next step.

Posted on Jul 18, 2009

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