Why does a white dot keep flashing when the computer is turned on?

1: It may not be a white dot, but a cursor, right? Is it a short rod flashing?

Or your display is not completed, only one point is displayed, and the rest are outside the display interface.

1, CMOS discharge, shutdown, motherboard battery buckle, two minutes later installation, boot, boot.

2. Rebuild the hard disk partition table. It may be a boot sector boot error.

3. Hang the hard disk on other machines and turn it on to see if that part is still slow.

4. Full format. Redistribution

2: Not bad. When cleaning the dust on the host, your graphics card may be loose. Just take it down and put it back on.

3. This usually happens, which means that POST has passed, but it can't enter the system startup interface, which means that there is something wrong with hard disk loading. This situation is probably caused by something wrong with the hard disk, not the driver, so you can't enter the system, and the BIOS is restored to the default. Just try it. Of course, that's all, all on the premise that you have completely installed the system.

It is very likely that your system has not been installed, or there are omissions in the installation process.

It is strongly recommended that if it is your own computer, use the official original system that has not been changed by others. Any simplified or optimized system is prone to problems, sometimes it may be useful, but it is not guaranteed to be fully applicable.