Question about Dell Dimension 5150 (DIM515MIN) PC Desktop
My computer shuts off on it's own. No warning, the power light will blink orange and the only way to get it to work again is hold the power button for approximately 7 seconds, allow the computer to shut off, then turn it back on again. There is no telling when it will shut off again.
It was a faulty or worn out power supply fan. I just replaced it and the computer has been running for about an hour and a half and still no shut down. The system temperature is stable. It runs quieter now. New fan cost 13.88CAD.
Posted on Apr 06, 2009
Its a case of bad power supply.If the system is still under warranty,please call Dell Technical support and get it replaced
Posted on Mar 16, 2009
First, Check power cable is connected properly or not.
Second, Right click on My Computer...
Click "Advanced" tab
under "System Failure" see if "automatically restart" is checked. Uncheck it if it is. That usually causes the computer to spontaneously restart.
Third, Scan your whole system for viruses.
Posted on Mar 09, 2009
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Posted on Jan 02, 2017
As a temporary measure, taking the side panel off the dell 5150c stopped it from shutting down, so in my case it was clearly a heat problem, as suggested by previous the poster. The following instructions assume you're comfortable replacing computer hardware components - do at your own risk!
The solution is to buy an 'air duster' and some thermal compound for the CPU heat sink. If your CPU fan doesn't sound healthy (mine didn't), also buy a new one (ca. £20 on ebay: search for G9474 ).
Read the service manual: http://support.dell.com/support/edocs/systems/dim5150C/en/sm/index.htm for details on how to install / remove the fan and heat sink.
Clean out dust from the heat sink with air duster. Remove the fan, and clean or replace (recommended). Also clean the grill in front of the fan. Clean off old thermal compound from the CPU / heat sink and replace with a thin layer of fresh compound. Replace heat sink and side panel and you're done.
Posted on May 12, 2009
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