Contribute
Register

<< Solved >> No battery indicated on HP Elitebook 820 G2

Status
Not open for further replies.
Seems like battery percentage doesn't report really accurate. Sometimes it jumps from 75% to 15% and jumps back to 62% when i plug in
 
KVyDavid said:
Seems like battery percentage doesn't report really accurate. Sometimes it jumps from 75% to 15% and jumps back to 62%
Click to expand...
maybe an EC reset may work
 
KVyDavid said:
I can't seem to find it. Please help me if you know how to fix that
Click to expand...
  1. Charge the battery fully, and leave on charge for another 2 hours.
  2. Change all the Battery Settings and the Desktop Screen settings to consume maximum energy
  3. Let the laptop battery run down completely. This may take several hours.
  4. Leave the laptop off and unplugged overnight to make sure the battery is fully drained.
  5. Charge the laptop back up and reset the Battery and Desktop settings to normal values.
 
Feartech said:
  1. Charge the battery fully, and leave on charge for another 2 hours.
  2. Change all the Battery Settings and the Desktop Screen settings to consume maximum energy
  3. Let the laptop battery run down completely. This may take several hours.
  4. Leave the laptop off and unplugged overnight to make sure the battery is fully drained.
  5. Charge the laptop back up and reset the Battery and Desktop settings to normal values.
Click to expand...
That’s also like recalibrating iPhone battery. But in Windows my battery percentage still shows correctly. I think it’s not about the hardware itself
 
KVyDavid said:
That’s also like recalibrating iPhone battery. But in Windows my battery percentage still shows correctly. I think it’s not about the hardware itself
Click to expand...
your choice to try this or not
 
Feartech said:
your choice to try this or not
Click to expand...
I tried that and seems like it didn't work. I use until the laptop just turn itself off and I can't turn it on anymore. I charge it and turn it on and it's already about 60% or 70%.
I did it twice and about 70% it just jumps to 1%. After awhile it suddenly turn itself off like a hard shutdown. It doesn't act weird like that on Windows
 
KVyDavid said:
I tried that and seems like it didn't work. I use until the laptop just turn itself off and I can't turn it on anymore. I charge it and turn it on and it's already about 60% or 70%.
I did it twice and about 70% it just jumps to 1%. After awhile it suddenly turn itself off like a hard shutdown. It doesn't act weird like that on Windows
Click to expand...
www.tonymacx86.com

[Guide] How to patch DSDT for working battery status

Background Because the battery hardware in PCs is not compatible with Apple SMbus hardware, we use ACPI to access battery state when running OS X on laptops. Generally I recommend you use ACPIBatteryManager.kext, available here: https://github.com/RehabMan/OS-X-ACPI-Battery-Driver Later...
www.tonymacx86.com www.tonymacx86.com
 
Status
Not open for further replies.
Copyright © 2010 - 2024 tonymacx86 LLC
Back
Top