What should I do if the computer desktop doesn't display?

The specific operation steps are as follows.

1. Go to the browser homepage first and click Tools.

2. Select the Internet option.

3. Advanced —— Check the front of the monitor and confirm.

A file consists of a file header, which contains the basic information, size, format, file data and end tag of the file. The composition of the code is determined by the file format. When a computer reads, it first reads the file header, then reads the file data according to the format in the file header, and generates a bitmap from the data according to the format algorithm.