@PARI2
I don't know what else might be wrong - if this is the original battery, it is certainly time to replace it.
Product introduced late 2012
Product Homepage
D3C64EA — HP Pavilion g6-2291sx Notebook PC
Service Guide
HP Pavilion g6 Notebook PC Maintenance and Service Guide
Battery: - Part numbers and easy replacement instructions:
6-cell Li-lon, 2.20 Ah, 47 Wh 593553-001
6-cell Li-lon, 2.55 Ah, 55 Wh 593554-001
A quick check shows a replacement battery is available from several merchants. Of course, that is "here" and you are "there". Use your favorite browser to search for an online merchant in your region.
What Else?
Run Component Tests
Contributed by Wes_notebooks
Testing for Hardware Failures
Information / Tests
HP Document
HP PCs and Tablets - About UEFI and the Startup Menu
HP Community thread on the subject
Accepted Solution - Battery won't Charge or Battery won't Hold a Charge
Article that explains Smart Battery Technology
Battery use and care, how batteries perform over time, and expected battery life
How to: Understanding Lithium-Ion and Smart Battery Technology
Reference and Resources – Places to find (more) help and learn about your Device
Clarification of terms and "what the device can do" (Specifications)
Device Homepage
NOTE: Content depends on device type and Operating System
HP Drivers / Software and BIOS, How-to Videos, Bulletins/Notices, How-to Documents, Troubleshooting, User Guides, Product Information, more
When the website support page opens, Select (as available) a Category > Topic > Subtopic
D3C64EA — HP Pavilion g6-2291sx Notebook PC
or
Open Support Home
Enter the name of your device
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Kind Regards,
Dragon-Fur
