Why doesn t the monitor respond when the computer is turned on?

You probably won't ask questions when you hear the scream, right, but did you hear a "beep" sound when you turn on the phone? If not, it may be a motherboard problem, if there is, it may be a problem with the contact of the D-type port (re-plug it), and then you unplug your memory module and use the eraser to plug it in again (plug it tight!). ）。

Then you need to check if your monitor power light is green (for fear that someone else will prank and adjust the brightness of your monitor).

My computer used to have this problem often I restarted it 20 times and it didn't reflect I took off all the plugs and pressed them again 20 minutes later and then turned on and turned on Yours is also put Sometimes it can be turned on and sometimes it can't be turned on When you can turn on the computer Enter safe mode Scan for viruses Although it may not be toxic But I have never made this mistake after doing this Hehe My computer is Lenovo It's still like this Annoying me But now it's good I hope yours can be better.

See if your hardware is loose, the main reason is the graphics card, you are looking at it.

The biggest problem is the graphics card, see if it's loose. The signal cable of the monitor is not plugged in tightly. Memory and motherboards are also possible.

The biggest problem is probably the graphics card!

Listen to the sound If it is long, it is memory, and if it is 1 long and 2 short, it is the graphics card.

It could be an issue with the display.

I've been in this situation before!

Check if the monitor capacitor is broken!

1. If there is a problem with the monitor, the host can operate normally, but the monitor does not respond, then it may be that there is a problem with the monitor. 2. The display and the host are not connected well and cause loosening, and the connection between the host and the connected display needs to be connected with the cable, if the host has no problem but the monitor does not respond, it is because there is a problem with the connection between the host and the monitor. 3. If there is a power supply problem with the monitor, the monitor needs to be plugged in before it can start running, so if the monitor does not respond, it may be because there is a problem with the power plug of the monitor, resulting in the display not responding.

Suggested workaround:

1. You can change the computer monitor to test it, if the display of the replaced display is normal, then it must be because there is a problem with the original monitor, in this case, it needs to be repaired or a better new monitor.

2. If there is no good connection between the monitor and the host, it will cause the monitor to not be displayed, so if it is because it is not connected, you only need to reconnect it.

3. If the power plug of the monitor is not energized, the display will not be able to display the content, so if it is because there is no power, just plug the plug again.

After the computer is turned on, the display does not respond, there must be a problem with the computer hardware, it is best to use the replacement method to eliminate the problem, judgment method: 1. Press the upper and lower case keys on the keyboard. The light is on, indicating that the graphics card, monitor, and other hardware are faulty.

2. If the keyboard light does not light up, it means that it is a memory, CPU, motherboard, or power supply problem. Solution: 1. If the keyboard light does not light up, first wipe the memory module with an eraser, and check whether the gold finger of the memory module has any burnt marks.

Replace the memory in the slot. 2. Check the capacitors and resistors on the motherboard to see if the capacitors are bulging, whether there is a burning smell on the motherboard, and clean up the dust on the motherboard. 3. Remove the CPU fan, power on and turn on, test whether the CPU has a temperature change by hand, if not, the CPU is not working, either the motherboard is broken, or the CPU is not plugged in well, and the power supply is re-plugged.

5. If the display card is loose or oxidized, the keyboard light will be on, the screen will not be displayed, wipe the gold finger of the graphics card with an eraser, and check whether the capacitance on the graphics card is bulging. 6. Minimize the test method, only leave the power supply, motherboard, CPU, memory, graphics card, keyboard, monitor, unplug all the wires on the rest of the motherboard, use a screw knife to short the switch pins, if normal, add the rest of the hardware, piece by piece, until the cause of the problem is found. Hint:

All operations should be turned off the power, if you are not familiar with the computer hardware, it is recommended to find a professional maintenance personnel to deal with it.

Hello, the monitor does not respond after the computer is turned on, it may be that the cable is not plugged in properly, or the cable is broken, or the monitor is broken, or it is possible that the interface connecting the monitor is broken.