Question about Dell Inspiron 1501 Notebook

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Battery Problems w/Dell Inspiron 1501

Since last month, everytime I turn on my laptop I get this message: "This battery cannot be identified. This system will be unable to charge this battery. Press F2 two times to enter Setup. Press F12 and any key to enter boot menu." My battery life has decreased tremendously and the computer will shut off after about 15 minutes w/out the use of the adapter.

I tried calling Dell for help, but since my warranty is up they are pretty much useless. I want to know if there is anything that I can do to help my battery before I spend close to $200 for a new one. I tried pressing F2 and F12 like the message said, but I am not really computer savy so I did not know what to do once the menus popped up! Please let me know if there is a way to troubleshoot my battery. Thanks!!

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  • tedious123 Feb 05, 2009

    I had the same exact problem but unfortunately my battery does not charge at all so I cannot use my laptop anymore. Don't wait too long to get a new one or else you REALLY won't have a battery life.

  • Anonymous Feb 06, 2009

    battery problem with dell inspiron 1501

  • Anonymous Mar 08, 2009

    Same problem, system cannot recoginize battery on boot and warranty just expired.

  • jessne19 Mar 21, 2009

    Thanks for the suggestions. To "tinosb", after you reinstalled the Operating Systems cd, and then reflashed BIOS, does your battery work fine now? I know you said the message does not pop up, but how is your battery life?

    Also, what does reflashing the BIOS mean? I don't exactly know how to do this.


  • delaluna Mar 28, 2009

    I am with tedious... I waited too long and no longer have a laptop i can use


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The BIOS flash was EASY (not scary like I thought it would be) and the problems disappeared immediately. Whew! I was worried about flashing the BIOS, but like I said, it was simple. Thanks for the advice, folks.
Don in Tucson
The Virus Slayer

Posted on Jan 03, 2010

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I had the same problem. When: "This battery cannot be identified. This system will be unable to charge this battery. Press F2 two times to enter Setup. Press F12 and any key to enter boot menu." appeared. I realy didn't know what it means. So by reinstaling Operation System I also tried to reflash BIOS. After reflashing BIOS that message disappeard, so i don't need to press anything while booting.

Posted on Mar 21, 2009

  • tinosb Mar 21, 2009

    I start from the end. The utility for reflashing BIOS can be found on dell website under Drivers and Downloads. Find your laptop and in results go to Bios. It is actualy BIOS update.

    After the message appeard, batery began losing capacity very fast. That is cost of incorrect charging.

    Now Power meter says 25-30 min of batery life after fully charged. But I can run my laptop another 45 min over that time. So in total it is 1h15min. Hopefully calibration will help to increase batery life. Problem is, I didn't find any calibration tool for INSPIRON 1501 so I just dry my batery to the end. I know, it is realy hard solution, but it's only way how to find out what is going on.

    I do think if I vould reflashed BIOS earlier, I could save batery even more.

    I hope it can help someone to avoid similar problems as I had. And maybe save some many neded for new batery.


  • tinosb Mar 21, 2009

    I start from the end. The utility used for reflashing BIOS I downloaded from Dell website. It is actually BIOS update. Go at Dell web and choice Drivers and Downloads. Find your model and there you’ll find the BIOS update.

    Now battery. After the mentioned message appeared, battery life began falling down rapidly. That was caused because of incorrect charging. System was not able to recognize and charge battery as it should be. Unfortunately I didn’t find an original calibrating utility. So I solved it by completely discharging battery. I changed option in Power Options Properties, to avoid computer turn into Stand By mode. I was nice surprised when my laptop could run 45min on top. Even after OS had showed 0% of battery. I know it is a strange solution. But it works. Before it, system said only 25-30min. After 2 complete cycles of discharging it says over 1hour which is nice success.

    I did it to late, so I lost much of battery life. But I hope it will be helpful to save many needed to buy new battery.


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There may be an option in the bios (press F2) once there you have to use your arrow keys to move around, look for a tools option and see if there is a calibrate battery option. if not, I'm sorry to say but there is no other choice, you will have to get a new one, and in a years time, this will probably happen again. some laptop batteries just have a poor design. you can prolong battery life by removing it when you know it is going to be bligged in and in use for a long time, completely drain the battery every 30-60 days then give it a full charge (12-20 hours of charging with the laptop being used).

Posted on Jan 25, 2009

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