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December 22nd, 2012 18:00

XPS 15z AC Power Cord not recognized

Hi folks,

I have a Dell XPS 15z.

It is plugged into the wall socket, the green light on the power pack is lit, however the BIOS says the AC Adapter is 'none' - i.e. it doesn't recognize it.

The battery is slowly discharging even though I am plugged in - it says I have 2,884 hours left (68%). When I first noticed it, was at 2,939 (69%).
 
I have removed the battery and the laptop works fine on AC Power only, however the BIOS still says there is no AC Adapter.

'Turn off battery charging' in the battery options is unchecked.

Any help would be appreciated. It was working fine yesterday, woke up this morning and I noticed this problem.
 
Thanks

9 Legend

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87.5K Posts

December 22nd, 2012 18:00

First thing to try is a new Dell AC adapter -- if that doesn't solve the problem, you will need a replacement power jack or a replacement mainboard.

December 22nd, 2012 18:00

Also, in response to Terry's fixed post, I've also done the following:

1. Removed battery etc., as shown above

2. Can't update BIOS (currently A02) as AC Adapter not recognized

3. AC Adapter errors are enabled

4. The light on the laptop hinge that shows it is charging is not being lit

5. Cables seem to be in good condition, no bent pin etc., it fits in ok.

-----

New adapter...hmm, don't know anyone else who has one...will have to ask around I guess.

December 22nd, 2012 20:00

Ok, tried a new adapter from a friend's XPS 15z...still not being recognized. Does this mean I need to replace the motherboard?

4 Posts

December 22nd, 2012 21:00

I was able to simply move the power cord in the back of my laptop   the  adapter went from -none or charger not recognised to  230w  and  the  battery  started to  charge  it might take a min  but  as soon  as the comp  recognises  the  adapter  problem solved . no new  battery  and  no  new mother board

4 Posts

December 22nd, 2012 21:00

F2 at start up , battery  info , move  power cord  in and out  until  230w  appears  next  to  adapter =     instead  of  none  or  adapter not recognized  your battery will start to charge  as soon  as  the  adapter  is recognized .

December 22nd, 2012 22:00

Hmm, ok tried that for 20 minutes with no luck...sigh, guess I will have to have it looked at. It's out of warranty though - how much would a new motherboard cost? Would it be possible for me to get a new extended warranty and then have it looked at under that? I think it will cost about $200 for the new warranty from the Dell Aus site.

December 22nd, 2012 22:00

And thanks for all your help guys, much appreciated :)

1 Message

December 31st, 2012 08:00

Hi. Don't know if you're still having problems but I was having some issues myself this morning and found this thread while searching.

Had mine plugged into a surge protector, but it wasn't registering. Unplugged it and put it into a wall outlet. Still no luck. Then I ran the Dell Support Center application and suddenly my laptop started recognizing the AC power. LOL

I've had this for a little over a year now and there have been times where it would give me an alert that it wasn't recognizing the AC power source.

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