What is the black screen after the laptop is turned on and the password is entered?

Black screen after entering password at startup, usually caused by system boot data error. You can press F8 continuously to select the safe mode and enter to see if it can be improved. If it can enter normally, try manually adjusting the startup option.

Short for notebook computer, notebook or laptop computer.

Also known as "portable computer, portable computer, palmtop computer or notebook computer", it is characterized by its compact body. It is more convenient to carry than a desktop, and it is a small and portable personal computer. General weight 1-3 kg.

The current development trend is smaller and smaller, lighter and stronger.

In order to reduce the size, the notebook computer uses a liquid crystal display (also known as LCD screen). In addition to the keyboard, a touchpad or a pointing stick is installed as a pointing device.

The main difference between a notebook computer and a desktop computer lies in portability, and there are different requirements for the capacity of the motherboard, CPU, memory, graphics card and hard disk.

Today's notebook computers are divided into different trends according to their uses. Netbooks tend to be used for daily work and movies. Business tends to be stable, with low power consumption and longer battery life; The home book has good performance and high cost performance, and the game book is specially used to cater to a small number of people going out to play; Fever-level configuration, good entertainment experience, of course, the price is not low, and the battery life is not ideal.

At present, there are many brands of notebook computers in the global market. In order (not in order): Apple, Lenovo, Hewlett-Packard, Asus, Acer, etc.