The display has no display (also known as black screen), which is the most common fault phenomenon of a monitor. Usually, black screens caused by hardware failures mainly occur when starting up, and black screens occur during use are mostly caused by software. This article mainly discusses the solutions of the former. You can proceed in order until the problem is solved.
1. Check whether the monitor power is connected and powered on
There is a "click" sound when the monitor is powered on. If it is not connected, please connect the power supply of the monitor before turning on the power.
2. Check whether the display brightness, contrast, and display position knobs are adjusted in normal position
3. Check whether the monitor signal line is in contact with the display card well
If it is not connected properly, please connect the display signal cable to the graphics card.
4. Change to a normal display monitor
5. Check whether the display card and the motherboard are in good contact
If the display card has poor contact with the motherboard, please check whether the motherboard slot is damaged and the screen is black.
6. Change the display card to a motherboard slot and turn on the machine
7. Change to a normal working graphics card
8. Is the memory contact with the motherboard good?
If the memory is in poor contact with the motherboard, please check whether the screen is black due to memory failure.
9. Whether the CPU is overclocked
If the CPU is overclocked, please reduce the CPU's original frequency.
10. Expanding the memory plug-in is normal
If the expansion display memory is not plugged in normally, please try to connect the video memory again. If it doesn't work, please replace the video memory.
11. Is the driver signal line connection normal?
If there is a situation where the driver signal line is inverted, please correct it immediately.
12. Ask professional maintenance personnel to deal with it.
1. Check whether the monitor power is connected and powered on
There is a "click" sound when the monitor is powered on. If it is not connected, please connect the power supply of the monitor before turning on the power.
2. Check whether the display brightness, contrast, and display position knobs are adjusted in normal position
3. Check whether the monitor signal line is in contact with the display card well
If it is not connected properly, please connect the display signal cable to the graphics card.
4. Change to a normal display monitor
5. Check whether the display card and the motherboard are in good contact
If the display card has poor contact with the motherboard, please check whether the motherboard slot is damaged and the screen is black.
6. Change the display card to a motherboard slot and turn on the machine
7. Change to a normal working graphics card
8. Is the memory contact with the motherboard good?
If the memory is in poor contact with the motherboard, please check whether the screen is black due to memory failure.
9. Whether the CPU is overclocked
If the CPU is overclocked, please reduce the CPU's original frequency.
10. Expanding the memory plug-in is normal
If the expansion display memory is not plugged in normally, please try to connect the video memory again. If it doesn't work, please replace the video memory.
11. Is the driver signal line connection normal?
If there is a situation where the driver signal line is inverted, please correct it immediately.
12. Ask professional maintenance personnel to deal with it.