What's the matter with many small blue dots on the monitor?

1. Graphics card problem

Re-insert and clean the golden finger to see if the fan is normal.

Update the driver and download the driver wizard.

If it doesn't work, it is required to be replaced free of charge during the warranty period)

2. Cable problem (re-insert, check vga or dvi interface)

3. Monitor problem (check whether the power socket is electrified. If it is convenient, connect to another computer to see if it is normal)

One-click recovery is unlikely. If the system CD is not prepared, you can use the CD drive. Press the del key to start the computer, set it as CD-ROM boot in bios, insert the system disk and then restart it, which is basically done automatically step by step.