mkdj77

e7240 issue

10.13.6
speakers and headphones playing together
sometimes headphone detects but no audio

if possible please provide a working bootback 
and tell me what 3rd party kexts should be in /L/E and /S/L/E 

Please help i want to make music in this laptop

hopefully finish my album which is delayed since past 6 years

due to low end Laptops