Urgently, my computer monitor has no signal

You first have to see if it's a connection problem with the host, and then you can try another monitor, find out what the reason is, if other monitors can work, that's your monitor problem, the computer can start, it means that there is no problem with your graphics card.

There is no sound of self-checking, if not, the computer is not starting. There are many main reasons, but the graphics card should not be so easy to break, look at the memory, if it really doesn't work, go to the computer city to buy a computer monitoring card, 10 yuan, come back to test it, you can also learn computer knowledge.

No single is no signal.

If you can, try a different graphics card, and if it doesn't work, try the display on another computer.

In short, either the graphics card is broken, or the graphics card socket of the motherboard is broken.

Will the console work properly?

If you can, it's a problem with the graphics card.

It's not plugged in or the connection isn't tight.

If the host is unable to run, even the BIOS cannot be entered.

Then you need to replace each piece of hardware and check it.

The best advice for new purchases: let the merchant test it for you, and if there is a problem, change it on the spot, so I think it is the best. When you ask questions, you should also tell you about the detailed list of your accessories, what model and brand, so that others can help you judge.

Mine is a little lighter than yours.

It could be a problem with the graphics card, a little more likely.

Plug your graphics card back in! Look how it is, it's not about the monitor!

The main unit cannot be connected to the monitor.

Don't figure it out on your own, go to them while you have the insurance, they will test professionally.

1. Turn on the computer, click on the computer, and right-click on the "Sock Management" option.

2. Next, you need to click "Device Manager" again, as shown in the figure below.

3. Click "Operation" through the Device Manager Portal, and then click "Add Obsolete Hardware".

4. Next, it will be displayed in the hardware of the dissipation, as shown in the figure below.

5. Finally, it was found that it was back to normal, as shown in the figure below.