Please be more specific about what the light is doing, as below.
''++Power on button light++''
***White:***
System is enabled.
***Blinking white***:
System is in sleep mode.
***Off***:
System is in hibernate mode or shut down.
''++Battery status light++''
-
***Blinking amber***:
+
***Blinking amber***: (500ms off/1s on)
-
(500ms off/1s on) The remaining power of the battery is less than 5% of its capacity.
+
The remaining power of the battery is less than 5% of its capacity.
-
***Blinking amber***:
+
***Blinking amber***: (100ms off/3.2s on)
-
(100ms off/3.2s on) The battery is being charged with the remaining power between 5% and 20% of its capacity.
+
The battery is being charged with the remaining power between 5% and 20% of its capacity.
***Amber:***
-
The computer is operating on battery power with the remaining power between 5% and 20% of its capacity.
+
The computer is operating on battery power with the remaining power between 5% and 20% of its capacity.
***Blinking white***:
The battery is being charged with the remaining power between 20% and 80% of its capacity.
***White***:
The remaining power of the battery is more than 80% of its capacity, or the computer is operating on battery power with the remaining power between 20% and 80% of its capacity.
(500ms off/1s on) The remaining power of the battery is less than 5% of its capacity.
+
+
***Blinking amber***:
+
+
(100ms off/3.2s on) The battery is being charged with the remaining power between 5% and 20% of its capacity.
+
+
***Amber:***
+
+
The computer is operating on battery power with the remaining power between 5% and 20% of its capacity.
+
+
***Blinking white***:
+
+
The battery is being charged with the remaining power between 20% and 80% of its capacity.
+
+
***White***:
+
+
The remaining power of the battery is more than 80% of its capacity, or the computer is operating on battery power with the remaining power between 20% and 80% of its capacity.
Hi Pushkar,
Take out the battery:
or
https://pcsupport.lenovo.com/co/en/products/laptops-and-netbooks/ideapad-z-series-laptops/ideapad-z570/1024/102473m/documentation/doc_userguide?linkTrack=footer%3ASupport_Solutions
Now plug in the charger. Does the computer turn on?
If yes then the battery needs replacing if not possibly the charger or charger port needs replacing.