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Dell Battery wont let me update bios


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#1 mocman

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Posted 14 March 2012 - 06:35 AM

I have a dell laptop that will not update bios without being plugged in. The computer seems to have a problem charging. I have another dell computer that I have to charge the battery in and all is fine. I read that it is a bios problem. In order to update bios it has to be plugged in. I would like to know if anyone has solved this problem. Thanks In Advance.....MC

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#2 rotor123

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Posted 14 March 2012 - 10:13 AM

If I understand your message....

What you need to do is fix the laptop so it can charge the battery and run on the AC adapter.

They are designed to not update the bios unless a battery and AC power is attached. That is to protect against a power loss while updating the bios killing the computer.

The test is if removing the battery, can the computer run off of the AC Adapter?
If not and you are sure the AC Adapter is good then you have hardware problems.
Normally the DC input jack is defective or the connection from it to the motherboard is bad. Less often the motherboard is bad.

You can find the Dell service manual on the Dell website for online viewing or downloading.

If the battery isn't charging because it is a non Dell battery or Non Dell AC adapter and the computer runs plugged in that is different. Then you'll need to have Dell parts to flash.

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#3 Artrooks

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Posted 21 March 2012 - 02:39 PM

I worked on a Dell Inspiron Laptop recently that was having software issues. I updated all the drivers and noticed a new Bios update but when I attempted to install it I got an error message "computer had to run on A/C and have 10% battery charge" so new bios wouldn't install. Computer ran fine on A/C but the battery was dead; wouldn't hold a charge. In this case the Bios update was not critical and my friend didn't want to spring for a new battery.

Regards,
Brooks



 


#4 rotor123

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Posted 21 March 2012 - 03:30 PM

I worked on a Dell Inspiron Laptop recently that was having software issues. I updated all the drivers and noticed a new Bios update but when I attempted to install it I got an error message "computer had to run on A/C and have 10% battery charge" so new bios wouldn't install. Computer ran fine on A/C but the battery was dead; wouldn't hold a charge. In this case the Bios update was not critical and my friend didn't want to spring for a new battery.


Exactly as designed. To protect the laptop.

The one thing I do not get is why buy a laptop with all their compromises unless you need to run it on battery sometimes.

By compromises I mean:
More expensive.
more delicate.
spill liquid into them and generally buy a new one time.
Smaller screen.
slower hard drive and less room for more drives.
Slower Optical drive.
Overall less durable.

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