Question about Acer Aspire RC500 PC Desktop

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An Interesting Problem

I have a Acer Aspire RC500. what happens is the system will power up and work fine for a while, then all a sudden it will shutdown and not power up for the rest of the day. the top LEDs light up and the selection dial works, but the unit won't turn on. after leaving it off and unplugged for a day, i powered it up again and ran Microscope 2000 (a third party diagnostics program). i ran every single diagnostics from system board to RAM and Hard drive test which took all day and came up with nothing. when i rebooted the machine windows started then it shut down (when i say shut down i mean it just powers off) Any help will be greatly appreciated. If anymore information is needed please let me know Cheers Paul

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  • Paul Sulja Aug 23, 2006

    Thanks i have already monitored the temp of the PC during the diagnostics it was a constant 36 degrees which is average from my knowledge. i even added a bit more compound to make sure there is no gaps between the CPU & heatsink fan. i am suspected the power supply or motherboard may have become defective. any thoughts?

  • Anonymous Dec 14, 2007

    i have the same problem it is the power supply that is faulty due to heat sinks being to small or so i have been told there is an alternative power supply u can buy yours should be fsp200-50gl(pf) the new one is py.20008.008 got this information from acer themselves but have not been able to get hold of one if anybody does let me know cheers email me with info @amebuildingservices@tiscali.co.uk many thanks

  • fwk1941 Jun 27, 2008

    how to monitoer cpu temperature ?

  • Beejay5169 Aug 13, 2008

    My RC500 also started not powering up, or shutting down and sulking for
    several hours after a few minutes of operation. I replaced the
    electrolytic capacitors with bulging tops, and escaping brown goo in
    one case, in the power supply box with some second-hand
    capacitors from other (non-Acer) power supplies, and the problem seems
    to have stopped. The caps on the motherboard are all okay - it seems
    the power supply is the problem with the RC500.

    Beejay5169



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Hi, I met the same problem in the RC500 of a client about a month ago.
I monitored temperature and voltages.
It's definitly a powersupply failure, no heatproblem here.
The 5V drops in a day or two slowly below 4.75V and then the processor just stops erraticly.
Replace the PSunit by any other to test if you want, the case cannot be closed then but then you will be sure.
success, Willem

Posted on Jan 25, 2008

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I had the same problem with my girlfriends RC500. We sent it to acer a couple of times. But they didn't seem to find to problem so I decided to open the case en check some components. I think it might be the power supply. It might not have enough watt output so the system shuts down. Solution: Installing an old chieftec 380Watt PSU did the trick and it hasn't shut down since (going a good 6 months).

Posted on Mar 07, 2007

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You may want to check and see what the motherboard temperature is, as well. It's also quite possible that there's a short in the cables or the board which can also cause this issue. Any type of spark or short can cause the system to be non-bootable, if it doesn't fry it first.

Posted on Aug 23, 2006

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It sounds like the CPU is overheating. When the system boots up, can you hit the DEL, ESC, or F12 key to get it into BIOS mode? Often, there will be a setting in there to monitor the processor temperature. If you can get it into that screen, leave the computer in that mode and keep checking the temp. Make sure the machine itself has good air circulation and isn't in a hot spot in your house (for example, where sunlight hits the main box) If it continues to flounder, you'll probably need to upgrade the CPU fan or install a heat exchanger fan...

Posted on Aug 23, 2006

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