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Dell 8400 Fan Problem

Asked by BARBIE in Computer Fans and Cooling

Tags: Dell 8400, dell fan, dell heatsink

I am experiencing a problem with the dell 8400 where the fan speed is way above normal.  I replaced the heatsink based on many postings on the internet that say this model has a problem with the heatsink going bad.  There has been no improvement.  When the computer starts up the fan speeds up, the air is cold, there are no lights lit on the back of the computer and their is no signal seen on the monitor.  I am looking to change the fan or the motherboard next, but am unsure if this will help.  
[+][-]11/01/09 02:42 PM, ID: 25715964Expert Comment

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[+][-]11/02/09 02:14 AM, ID: 25718213Expert Comment

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[+][-]11/02/09 04:18 AM, ID: 25718720Author Comment

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[+][-]11/02/09 07:52 AM, ID: 25720465Expert Comment

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[+][-]11/02/09 01:04 PM, ID: 25723709Author Comment

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[+][-]11/02/09 11:40 PM, ID: 25726715Expert Comment

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[+][-]11/13/09 08:44 PM, ID: 25819422Expert Comment

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