Question about Dell Dimension 4600 PC Desktop
The system was turned on but idle for several hours. Suddenly it shuts off on its own. I cannot turn system on by pressing the button on the from of the processor. it will not restart. there is a small light on the processor that will flash on and off, but computer will not power up. what can be done?
Take out the small battery lithium from +3vdc and measure it, it is lower replace, and clean the contacts, control the RAM, for many different opeation. and try again.
If the problem persist you have problem with the power supply, replace it.
God bless you
Posted on Jul 14, 2013
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Posted on Jan 02, 2017
SOURCE: Computer wont turn on
I had the same problem here. And sure enough it was the USB socket that had been bent inside or broken off. Basically the pins were touching the sides of the casing and causing it to short on power up.
I used the method suggested above - get a screwdriver and (MAKING SURE THE POWER IS OFF) bend the pins from the USB socket back into shape so they are no longer touching the side casing. The USB port is unusable but the machine powered up straight away and is now working fine.
Thanks for your help!!
Posted on Oct 31, 2008
Unplug the power cable from the power supply in your computer and reinsert it. If you still have nothing, most likely a dead power supply.
Posted on Jan 24, 2009
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
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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