CD drive is no accessible

[zeeshanma]

Assalam o Allaikum All.

Dear dosto mere pas Toshiba Satellite P15 Laptop hai. kuch din pehle is ki DVD/CD drive sahi kam kar raha tha, but ab CD ya DVD run krta hun to msg deta hy ( G:\ is not accessible ) agr kisi bhai ko pata hoto pls meri help karain.