Why is it that when I just bought a computer, I sometimes turn on it and nothing responds? 20

It is recommended that you first upgrade your anti-virus software, check for computer viruses, and clean the registry and junk.

1) Cause such a reason: This phenomenon caused by the virus that causes Explorer Explorer not to start, the way to deal with it is to start Task Manager first, and then manually start Explorer Explorer, which can solve the problem.

2) The handling method is as follows:

1. The screen goes black after the computer is turned on and the welcome screen is entered, but the mouse can be moved.

2. At this time, you can press Ctrl+Alt+Delete keys to open the "Task Manager" window and select "Applications".

3, then right-click in the window, select "New Task" in the menu, or press the "New Task" button at the bottom right, both functions are the same.

4. After you decide to create a new task, the "Create New Task" window will open.

5, then type "explorer" in the box, note, do not "" sign, and press the "OK" button below.

6. After creating a new explorer explorer, the wallpapers, icons, and taskbar on the desktop are displayed.

3) If it doesn't work by manually starting Explorer Explorer, it may be that Explorer is corrupted, you can extract one from the backup or system CD, or go to the Internet**, or you can copy one to other computers and put it under C: Windows. If the above method still doesn't work, then you can only restore it with one click, or use a CD or a USB flash drive to reinstall the system.

It should be a system problem, it is recommended to try again after reinstalling the system

Yesterday the computer was still fine, today the computer suddenly can't turn on, indicating that the computer may have a big problem, this situation may not turn on the computer hardware is broken, the probability is the failure of your laptop hard disk, you can take it to the computer store to see.

1. Maybe the memory is loose or there is a problem with the memory itself, try to reinsert the memory or change the memory;

2. The power supply chip of the motherboard is soldered or aged, the screen cable is loose or the motherboard short-circuits the power supply circuit of the screen;

3. The virtual soldering or damage of the BGA packaging chip of the graphics card, south bridge and north bridge shall be solved by professional BGA packaging welding equipment and technology welding or replacement;

4. The machine will be affected by moisture and shock or long-term overheating will lead to this situation, if you have experience in disassembly and assembly, you can disassemble the machine to detect whether the internal accessories are loose or the interface falls off.