why my laptop won't start?
there could be several reasons for this:
1- it run out of battery
2- the OS is not bootable
3- some hardware error that does not make it start
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: why my laptop won't start?
### Input: 
### Response: there could be several reasons for this:
1- it run out of battery
2- the OS is not bootable
3- some hardware error that does not make it start