After the computer is turned on, the display screen is not lit, the keyboard is not lit, the mouse i

The keyboard and console are not plugged in.

Summary. Hello dear, happy to answer your <>

If your computer turns on and the keyboard and mouse light up normally, but the monitor doesn't turn on properly, it may be due to the following reasons:1Power issues.

Make sure both the power cord and the monitor plug are well connected, that the plug is not loose or broken, and try testing with a different electrical outlet. If you're using a laptop, check that the battery is fully charged or that the power adapter is properly connected. 2.

Display issues. Check that the monitor is powered on and that there are any error messages or warning lights on. If it is an external monitor, check if the connecting wires are loose or broken.

You can try connecting a different monitor or TV to test to see if the problem is with the monitor itself<>

The computer boots up, the keyboard is on, the mouse is on, and the monitor is not on.

Hello dear, happy to answer your <>

If your keyboard and mouse turn on normally, but the monitor doesn't turn on properly, it may be due to the following reasons:1Power issues.

Make sure both the power cord and the monitor plug are well connected, that the plug is not loose or broken, and try testing with a different electrical outlet. If you're using a laptop, check that the battery is fully charged or properly connected to the power adapter. 2.

Display issues. Check that the monitor is powered on and that there are any error messages or warning lights on. If it is an external monitor, check whether the connecting wires are loose, the keys are bent or broken.

You can try connecting a different monitor or TV to test to see if the problem is with the monitor itself<>

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3.Graphics card issues. If your computer doesn't have a graphics card installed or there is a problem with the graphics card driver, the monitor may not work properly.

Make sure your graphics card and its drive program are installed correctly. 4.Operating system issues.

When your operating system is faulty or crashes, it can cause your display to not work properly. In this case, try restarting your computer or entering safe mode. If the above methods do not solve the problem, you can try to replace the monitor or choose to contact a professional repairer, <> Wise

1. The connection between the computer graphics card and the monitor is abnormal.

Second, the computer graphics card is not in good contact.

3. A part of the computer host is damaged or loose.

Fourth, the computer monitor is damaged.

The problem of the computer not lighting up should be solved according to the above ideas.

It's usually a memory module problem.

Open the case memory module gold finger wipe, preferably the slot is also cleaned, plug in and restart.