If you notice macbook startup disk full error and looking for an easy solution to fix this error then you are at the right place. Here i am going to teach you an easy guidelines that will definitely help you to fix this error from your Macbook. The all data such as image, photo, video, audio etc in your Macbook are gradually eating the startup hard disk. You should know that the in the startup hard drive the operating system, home folder and applications are installed. Due to presence of so many data in the startup hard drive it gets full and shows you an error message macbook startup disk full error. This error will make your computer no longer work in a proper way. Therefore in order to fix this error you have to make some hard drive space free by deleting some files. Hence you have need to firstly delete the trash items completely to release some space. Remove all unwanted desktop icons or shortcuts. Some unnecessary applications should be removed. Clean all the iPhoto library, delete old iTunes backup, clean cache files in order to free the hard drive space. After doing this the macbook startup disk full error will no longer present in computer. But while cleaning the startup hard drive sometimes users often delete an important file. Hence in this situation you should take help of Mac data recovery software.