Solved Battery not detect because of BIOS ?

April 3, 2014 at 18:56:04
Specs: window 7, 2.4/4
Hi all! it is me again! I have Dell Inspiron N5110 by running Windows 7 64bits, before my pc installed Windows 8, but about 2 months, it shows a message "No battery is detected", I try to downgrade to Windows 7,but it still the same. I already install all drivers and wash the contact of battery and motherboard. I try to buy a new battery, but it is the same.

So, if I upgrade My BIOS version A07 to A11 can It fix this problem or not?
Note: My new battery is compatible with my laptop.

message edited by visalnkvs

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April 3, 2014 at 21:13:14
Battery and battery warning have nothing to do with the version of Windows you have or the BIOS version. Do NOT update BIOS since a failed update may cause the machine to be unusable - ever, and doing an update on a laptop without the battery is 5 times more dangerous than having the AC plugged in and the battery there to back it up in case of power problems.
Do not use liquids on laptop or battery. You can wipe it with a SLIGHTLY damp towel (windex or similar) if it really needs it. You can clean the metal contacts with a Q-Tip and a small amount of rubbing alcohol if it looks sticky or has a film on the contacts but cleaning the contacts with a pencil eraser is what will really clean them of tarnish that is hampering the contact (battery and laptop). Remove all dust before reconnecting. If the old and new batteries do not work then the power adapter may be at fault and the battery is not charging.

You have to be a little bit crazy to keep you from going insane.

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April 4, 2014 at 16:08:36
✔ Best Answer
You might check this link for several suggestions:

It does seem to sometimes be associated with an OS upgrade or change. That suggests it may be a driver issue.

Possibly your charger is getting weak. There are usually two different types of chargers that will work. The difference between them being the amperage output. I suggest you get a new higher amperage charger.

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