For the model ADP-230EB T, the power jack(The plug fits into the laptop) has 3 different sizes:
1. Internal Diameter: 2.5mm, No Pin inside.
External Diameter: 5.5mm
2. Internal Diameter: 5.0 mm with 1 Pin inside.
External Diameter: 7.4 mm
3. Plug with 4-Hole.
Could you please:
1. Check the power jack of your original adapter?
2. Use a ruler to measure the power jack of your original adapter
(Or the power port of the laptop, if your original adapter is lost.)?
Then select the right size of the power jack.