Question about Acer Aspire RC500 PC Desktop
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
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.
Posted on Jan 25, 2008
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
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
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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