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Ikemike
Fanfold Paper
Posts: 5
Registered: ‎03-16-2018
Location: DK
Views: 2,234
Message 1 of 6

E480 battery not detected after BIOS update

After installing  BIOS update R0PET37W (1.14) 2018-03-12 on my Lenovo E480, which was an update notificatiton from yesterday 26/3, my battery became undetected, i.e. I cannot see the percentage left and what not.

 

How can I fix this ?

 

-Regards

 

 

Reinhor
Fanfold Paper
Posts: 8
Registered: ‎03-29-2018
Location: FR
Views: 2,140
Message 2 of 6

Re: E480 battery not detected after BIOS update

I have the same problem as you. I hope they will provide us usefull information.

 

It is not a good solution because it will appear again but:

- unplug the PC

- maintain the power bouton during 20 sec.

 

It will solve the problem shortly.

 

Saad0
Blue Screen Again
Posts: 8
Registered: ‎03-08-2018
Location: CA
Views: 2,095
Message 3 of 6

Re: E480 battery not detected after BIOS update

I have the same problem! I  also get intermittent mouse freezing, hanging, does anyone have this issue? 

real shae, these are brand new laptops, not used.

Saad0
Blue Screen Again
Posts: 8
Registered: ‎03-08-2018
Location: CA
Views: 2,030
Message 4 of 6

Re: E480 battery not detected after BIOS update

Hey i fixed this issue in my laptop, it seems the internal battery cable had undone itsself. i just unplugged it and replugged it and boom it charges and battery detected.

 

makes no sense tho because i havent touched the cable before?

 

anyways hope this helps!

Ikemike
Fanfold Paper
Posts: 5
Registered: ‎03-16-2018
Location: DK
Views: 1,999
Message 5 of 6

Re: E480 battery not detected after BIOS update

The problem may have been solved for me. I was about to remove the battery, but this fix seems to be sufficient.

 

I followed the instruction to disable the battery in the users manual:

 

From the manual:

 

Before replacing any CRU, ensure that you disable Fast Startup first and then disable the built-in battery.

To disable Fast Startup, do the following:
  1. Go to Control Panel, and then change the view of Control Panel from Category to Large icons or Small icons.

  2. Click Power Options, and then click Choose what the power buttons do on the left pane.

  3. Click Change settings that are currently unavailable at the top.

  4. If prompted by User Account Control (UAC), click Yes.

  5. Clear the Turn on fast startup check box, and then click Save changes.

To disable the built-in battery, do the following:
  1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter ThinkPad Setup.

  2. Select Config > Power. The Power submenu is displayed.

  3. Select Disable built-in battery and press Enter.

  4. Select Yes in the Setup Confirmation window. The built-in battery is disabled and the computer turns off automatically. Wait three to five minutes to let the computer cool.

Then I simply booted it back up and this seems to have worked without actually removing the battery.

mennog
Fanfold Paper
Posts: 35
Registered: ‎04-05-2018
Location: NL
Views: 1,334
Message 6 of 6

Re: E480 battery not detected after BIOS update

I have an E580 but i have the same problem sometimes he doesnt reconize a battery few days later it is back

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