Solved Trying to figure out laptop battery plugged in, not charging

January 28, 2016 at 03:56:18
Specs: Windows 7
Okay so I usually would assume that I would need a new battery but I am not really sure with the tests I have done. Hopefully someone with more experience can help me.

So I bought a laptop and it is having the infamous plugged in not charging problem. It is a Dell precision m4600. I was messing around on bios to see if I could solve any part of the problem from there. Here is what information I have gathered.

On bios it made it seem like the charger was the problem. It said that the 65W 19.5 charger output of 3.34A said that it was not the right charger. I have done some searching and it seems that it is the right charger. Also I am not sure if this makes difference but the laptop had a NVIDIA Quadro 1000M added into it. Not sure if that affects the charger required. So at this point I thought it was a charger. Battery is at 0 percent.

I then found out that dell had a "Enhanced Preboot System Assessment" I ran this and it said that everything checked out and passed the tests. The information I got was that the battery health was 87% the charger passed tests and so did battery. But it also said that the battery was in idle. The Assessment found no problems. Any ideas what is wrong?


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#1
January 28, 2016 at 05:26:38
The laptop works ok on mains only - no battery installed?

I'm inclined to doubt the charger specs you have are correct... When I google for the charger specs. I find they are seriously different to what you quote.

If you run a google trawl/search using:

Dell precision m4600 charger specs

you'll get a whole slew of hits; and most (all?) of them suggest quite a different spec. - not the least the current rating being 6.7Amp - which is more typical of many laptop chargers? Your stated 3.34Amps seems unusually low based on my own (limited) experience.

http://www.amazon.co.uk/Just-Laptop...

is just one found using the above search words/string. Suggest you repeat my trawl and see what you find?


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#2
January 28, 2016 at 05:58:25
✔ Best Answer
"It said that the 65W 19.5 charger output of 3.34A said that it was not the right charger. I have done some searching and it seems that it is the right charger"

I did some searching too & the Genuine Dell AC adapter for the M4600 is 180W - 19.5VDC @ 9.23A.

http://accessories.dell.com/sna/pro...

http://www.amazon.com/Genuine-Dell-...


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#3
January 28, 2016 at 07:15:52
Agree with riider re' specs on the charger. I found the same specs. and some sites seem to quote for/with a lower power o/p as "the" correct charger...

My quote of 6.7Amps was for a slightly lower power o/p. There do appear to be assorted power o/p versions of Dell chargers; and easy to be konphused and get the wrong one.

Incidentally given the choice - I would be inclined to go for one with a higher power o/p; so as to have more than "enuff" in hand...; especially if the cost difference was negligible overall.


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