Rhino12667
1 Nickel

Precision M6400 Power issues.

I was given a M6400 and it seems when the power cord is first plugged in the power button LED and both power and battery LED (side LED's) blink blue for a brief second and then nothing. I am unable to power the unit on. The LED on the charging cord is on (blue). 

I wiggle the power cord.. no response.

removed the battery same LED response. replaced Battery with same LED response. 

unplugged and re plugged in power supply. Same response. 

I have had the unit on but unplugged it to move to a different room. 

2 Replies
ieee488
6 Gallium

Re: Precision M6400 Power issues.


@Rhino12667 wrote:

I was given a M6400 and it seems when the power cord is first plugged in the power button LED and both power and battery LED (side LED's) blink blue for a brief second and then nothing. I am unable to power the unit on. The LED on the charging cord is on (blue). 

I wiggle the power cord.. no response.

removed the battery same LED response. replaced Battery with same LED response. 

unplugged and re plugged in power supply. Same response. 

I have had the unit on but unplugged it to move to a different room. 


You'll want to post your question in https://www.dell.com/community/Precision-Mobile-Workstations/bd-p/Precision-Mobile-Workstations

 

Either the DC power jack is bad or the motherboard is bad.

https://www.youtube.com/watch?v=YXCY1g7n-UQ

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Highlighted
7 Plutonium

Re: Precision M6400 Power issues.

Remove the battery entirely and see if it comes on.

It should work without any battery installed.

If it doesnt there are other issues.


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