Question about HP Pavilion dv4000 Notebook
Posted on May 06, 2009
I have a similar problem. So I ordered a new battery. It charged to full (or so it said so) and to calibrate it I ran it down as directed by HP. It only ran for 30 mins before shutting down. I couldn't get it to recharge to save my life. I decided to put my old battery back in and return the new one. The old battery started to recharge. Wow. It ran about 2 hours (six cell) and stopped charging???? What gives? After returning the 12 cell EBay battery, I got a new replacement (expected refund) and tried to charge the new one. It charged to full and I proceeded to discharge it. It took a long long time. Over 5 or 6 hours (lost track). When it discharged I plugged it back in to charge. It would not charge. Snap. Getting frustrated I started looking on the net again to see if anyone else is having the same problems. Lots! Only none with a solid solution. I have two different charger adapters that work great. I apparently have two batteries that don't work. Makes no since. Randomly, I mean randomly the battery charges whenever it feels like it. Or the laptop is really messed up. I have even downloaded the latest BIOS updates. The old battery started charging, randomly. Still snapping. I've read where some have removed the battery a few times, trying several what seemed like silly things. My motherboard was replaced earlier due to power port damage (kid use). Several have said loose power cord. Lets face it. If the unit powers up then the port should be fine. I decided to try several silly things. Remove battery with power on, with power off. Nothing. I tried doing this several times and it seems endless frustration. Everyone says to buy a new battery. Battery is fine! There is something really squirrelly about this laptop. I had the unit plugged in and decided to see if the contacts engage properly. With the laptop on my lap top, so I can see the battery engaging as I engage/disengage the battery several times while activating the secure battery slider. After 2 mins I noticed my battery randomly charging again!! Double snap! Still don't understand the whole dynamics of the random thing. HP seems to be oblivious and says to buy a new battery. After stating I have a new battery they say to send it to them (ha, or take it somewhere else for no solution, well maybe) If I can't get this to consistantly randomly charge my bad batteries, I'm going to keep being frustrated or buy a different brand with different problems. Buying another new battery will not help, just more frustration.
Posted on Dec 14, 2008
Does the machine boot and work just on AC?
If it does then you may have a bad battery - Does the old battery charge?
If it does not work on AC then try another AC adapter - even the generic universal kits should be enough to test it.
hopefully that's all thats wrong. let us know.
Posted on Dec 28, 2007
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