Kuel77

 

Solid amber light, indicates there's an internal power problem and could mean a failed motherboard.

 

Try disconnecting the power cord and press/hold power button for at least 10/15 seconds, then reconnect the power cord and turn on.
In most cases replacing the motherboard is required. 

 

Also, check out the troubleshooting procedures here, for a solid amber power LED

 

http://support.dell.com/support/edocs/systems/dim8400/SM/adtshoot.htm#wp1052313

 

Bev.

Please see thread http://forums.us.dell.com/supportforums/board/message?board.id=dim_other&message.id=283876&query.id=233090#M283876

 

We ara having the same problem, let's try to consolidate same threads and see if we can get an answer from dell.