The desktop computer monitor suddenly doesn t light up, and the host computer can be turned on, what

If the display is not lit, first of all, it is a problem with the host or a problem with the display!

After the electric service is turned on, listen to whether the computer main chassis makes a self-test sound "drop".

If you have a self-test sound, it may be that there is something wrong with your monitor!

1.Look at the computer indicator light on the monitor and see if it is on.

2.Look at the monitor, data cable, and power cord to see if it has fallen out.

3.It's okay to appeal both, but it's still recommended that you find a professional customer service.

If there is no self-test sound, there is a problem with the computer host!

1.Look at whether the data cable of the monitor is dropped or not, and whether the contact is good.

2.See if the graphics card is loose (check it after shutting down and unplugging) 2To see if the memory contact is good, it is best to take it off and wipe the gold finger with an eraser.

3.If there is still no self-test sound when the power is turned on, turn off the memory, unplug the memory, and turn on the computer to see if there is a memory alarm sound.

4.You can also jump the coms jumper to clear it (to unplug the power supply)5If you still can't do it, just put it on the professionals!

Check the plug behind the monitor and the plug of the main unit, it's best to change the cable, my monitor used to be the same as you, changed the wire, it's fine.

Do you have a graphics card, if the capacitor of the graphics card blows up, it will be like this.

Can the console be powered on? Is the hard drive light flashing? Either the monitor is broken, or it's the motherboard.

The line of the monitor is plugged in?。。 If it is plugged in or there is a problem with the wire. Either it's a problem with the display.

In this case, first determine whether the socket is in good contact, whether the power cord of the host is plugged in, if there is no problem, it is a computer hardware failure, check, replace the memory, independent graphics card, host power supply, etc., check whether the motherboard is short circuit or obvious damage, and if it cannot be solved, find a professional to help you detect and repair.

Hello, unplug the memory module graphics card, use the eraser to erase the gold finger, and then put the graphics card memory module back, if it is multiple memory sticks, it is recommended to plug in one and try to boot it, and it is recommended to change the memory card slot position to try! Hope this time it helps!

Generally, it is an internal problem of the host, first clean up the dust inside, then pull out the memory module and wipe it, and then install it to try, which can generally be solved.

The monitor doesn't light up, first look at the graphics card, and then see if the connector of the motherboard's power cord is loose.

First, check whether there is a problem with the relevant cables, then replug the memory module graphics card, and then restart it.

The desktop computer host and screen are powered by two power supplies. The screen does not light up after the host is turned on, and it is <>

Check that the screen power cord is plugged in and turned on. Whether the computer screen is tightly connected to the chassis. Troubleshoot them one by one.