new charger is making my cursor jumpy

dont want to buy another 25 quid is alota money atm

i am now trying this
was told buy the seller this might fix it

Battery Tip:
Adjust your laptop battery in order to achieve optimum performance.
Laptop battery has built-in microprocessor software, it can calculate the remaining capacity of a battery when it is charging or discharging. Battery needs to be adjusted from time to time to ensure that the screen displays the time and percentage is correct. You should implement a full charge and discharge operation at its first use, and thereafter every 2 or 3 months once the operation as follows,
1. First of the "Power" option setting: Right-click on a blank screen, then select "Properties" → "Screen Saver" → "Power" → "Power Schemes" → "Portable / Laptop". Then, select "Never" for all the options of the “Battery Schemes", and for the "Warning" options, don't choose "Low Batter alarm" or "serious shortage of battery alarm".

2. Disconnect the AC adapter and use your laptop until it itself shuts down. In this situation, the battery is fully discharged.

3. Connect the AC adapter and your battery should start charging. Charge until the battery is full. Repeat this charge and discharge cycle 3-4 times and your battery pack will be conditioned to perform at full capacity. The process of charging takes at least 5 hours or more.

Note: When your battery is adjusted to achieve optimum performance, please set your computer's power options to their default values?? to ensure that your computer can send the correct warning signal. Such as: low battery alarm or alarm before sleep and so on.