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35 Posts
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22285
February 5th, 2013 19:00
Cannot enable Longevity mode
I want to enable longevity mode on my 7520 battery however the entire panel is dimmed. I can enable desktop mode and other features of the Dell Extended Battery Life options. I have played around with the setting but nothing works. It stays dimmed all the time.


DELL-Rajath N
4 Operator
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1.8K Posts
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February 5th, 2013 20:00
Hi jimmyd101,
I appreciate your efforts to fix the issue and suggest you to update the BIOS and install the latest version of Quickset Utilities. You can download them directly from the following:
BIOS: http://dell.to/UMVAv7
Quickset: http://dell.to/WsQDaX
Please try enabling Logetivity Mode and let me know about your findings.
jimmyd101
35 Posts
0
February 5th, 2013 21:00
Hello. Thank you for your fast response.
The problem occurs with the latest BIOS and the latest version of Quickset already installed.
DELL-Rajath N
4 Operator
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1.8K Posts
0
February 7th, 2013 23:00
Hi jimmyd101,
Thank you for your reply and for providing an update on the status. Please send the system Service Tag and the name on the account via a Private Message, by clicking on my username in the post and then click “Start Conversation” so that I can check the system details.
jimmyd101
35 Posts
0
December 10th, 2013 12:00
According the PM I got almost a year ago this problem is a known bug that the engineers have to fix. I was told that when the engineers created a fix I would get a PM back about the solution.
Never heard a thing again.
polychronis90
2 Posts
0
December 10th, 2013 12:00
Hello im having the exact same problem with my dell xps 12 9q33. I updated the bios to the latest version but the longevity and desktop mode are greyed out.
polychronis90
2 Posts
0
December 20th, 2013 00:00
After the BIOS update i did i saw that you could enable a mode(custom mode) through the BIOS that charges the battery up to 90%. It looks like that is something like the longevity mode. But i still want to have that option not throught the BIOS but when im on windows.
DELL Please fix this.....
Does anyone from dell even read these posts??