Dell 5150, wount boot and has constant flashing orange light, changed psu and same happened. When i leave the 4 pin moler plug disconnected from the mobo it will begin to boot, fan spins etc but it then just stops and has a solid orange light. I have checked the mobo for any signs of corrosion / blown capacitors etc.
Your help is most appreciated!
This solution is probably too late. However, it may help someone else. I had the same issue with my Dell Dimension 5150 and I replaced the front I/O USB Audio Panel and it booted right up.
Hi,
Below is the link to the NoPower, No POST, No Video troubleshooting.
http://support.dell.com/support/topics/global.aspx/support/dsn/en/tree?c=us&l=en&s=gen&journalid=&treeid=011360B8243248349C306481A954B356&Query=&SystemID=&ServiceTag=&contenttype=&os=&component=&lang=&doclang=en&toggle=&dl=falseFollow all the steps without skipping any and if there is no hardware failure,this should definitely resolve your issue.
Hope this helps. Please rateyour feedback!
Thanks,
VJ
Hi,
The 12v powers the processor.
I’m assuming you have removed cables plugged into the motherboard apart from
the 12v and the ATX power connector. If you still get the flashing amber, try reseating
the processor. If that still doesn’t work. Since you have tried with a
different powersupply, there could be couple of points of failure, the motherboard
or processor. Dell would have replaced the powersupply and motherboard for this
issue. Its most likely a blown capacitor, but isolating that would require and
electronics repair tech. All the best.
VJ
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Hi, thanks for the guide but that hasnt resolved it and has now directed to me dell tech support which i cant access as my security tag is out of date. I Still get the flashing Amber light with the 12v power pin connected to the mother board and a constant amber light if i leave it disconnected.
I got a flashing light on the board next to the battery and a flashing orange light on the power botton. nothing else move
Same problem. System doesn't boot up only a blinking amber light on the on/off button when I plug the system in. Nothing happens when I press it etc.
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