Lenovo Office Equipment & Supplies - Recent Questions, Troubleshooting & Support
Dissembling and adapter troubleshooting
To verify a symptom, follow the steps below:
1. Turn off the computer.
2. Remove the battery pack.
3. Connect the AC adapter.
4. Make sure that power is supplied when you turn on the computer.
5. Turn off the computer.
6. Disconnect the AC adapter and install the charged battery pack.
7. Make sure that the battery pack supplies power when you turn on the computer.
If you suspect a power problem, see the appropriate one of the following power supply checkouts:
"Checking the AC adapter"
"Checking operational charging"
"Checking the battery pack"
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/
Battery unauthorised (plugged in not charging)
Quite possible you have a third party battery in this unit.the one supplied by Lenovo may have a chip in the charging circuits to allow continued charging so when you use any other make it refuses to charge.solution replace with original make or source from EBay.sometimes you can fool the dud battery by repeatedly connecting and disconnecting power until it has a residual charge ,then it may allow the charging sequence to continue.
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