Check whether the video cable between the monitor and the computer host is firmly connected. If the video cable is loose, it may cause signal transmission failure, causing the computer to start up and display a black screen with no signal. Check if the computer has booted correctly. If the computer is not powered on correctly, it may cause the monitor to display a black screen with no signal.
Cable connection problem: Check whether the connecting cable between the computer and the monitor is loose or the socket is damaged. Monitor failure: Check whether the monitor is turned on and in normal working condition. Graphics card failure: Check whether the graphics card inside the computer is plugged in properly and whether it needs to be replaced.
The computer startup display shows a black screen with no signal. The solution is as follows: First, check the position of the monitor signal cable and the host interface of the computer host to see if it is loose. If the line is loose, just unplug and plug it again. Unplug the signal from the monitor and check whether the interface and circuit of the monitor signal cable are damaged.
1. Method 1: Restart the computer resource manager and press the shift Alt DELETE or shift CTRL ESC keys at the same time on the black screen interface to open task management device.
2. The laptop battery is dead and the power is low. Solution: Connect the power supply. Wait for a while and then restart. Laptop graphics card failed. Solution: Go to a professional computer repair shop to test and see if the graphics card can be replaced. Laptop memory has poor contact.
3. You can change the sleep or hibernation settings. The setting method: 1) Right-click on a blank space on the desktop, bring up the drop-down menu, and select Personalize. 2) In the lower right corner, select Screen Saver, the Screen Saver Settings tab will pop up, and enter Power Settings in Power Management.
Please try pressing the function key combination to increase the screen brightness and switch the display on and off to avoid excessively low screen brightness or problems caused by the screen being turned off. The computer screen is black and does not display.
The solution is to turn on the computer and press the DEL key (or the key prompted on the boot screen) to enter the motherboard BIOS and initialize the BIOS setting information. Usually press F9 to restore the factory default settings, then press F10 to save and exit and restart the computer. 3. CMOS (BIOS) setting error, mainly due to problems with software setting options.
Method 1: Ctrl Alt Delete key combination to restart If you encounter a sudden black screen, you can try to use the Ctrl Alt Delete key combination to restart the computer. Generally, restarting can solve most black screen problems.
After the computer is on standby, the screen is black and the screen cannot be woken up. First of all, if the computer is on standby for a long time, the screen is black and cannot be activated. No matter what shortcut keys we press, it will not help. So here we can shut down and restart the computer. If it cannot be restarted using the shortcut method For a computer, you can only press the power switch to force it to shut down and restart.
Normal computer hibernation: Generally, pressing the power button once will restore the system and exit the hibernation state. Long pressing will force the system to shut down. This kind of problem is mostly caused by the host not being turned on for a long time or being exposed to vibration, poor contact, and moisture inside.
1. If your computer has not been used for a long time and the display shows a black screen with no signal after turning it on, it may be due to one of the following reasons: the power cord of the monitor or The signal cable is loose or damaged. There is a problem with the graphics card driver and the driver needs to be reinstalled or updated. The graphics card itself is faulty and needs to be replaced or repaired.
2. First of all, it may be the computer's power settings that cause it to enter sleep mode. This can be solved by changing the settings to prevent this situation from happening in the future. Second, the graphics card may be overloaded, causing it to shut down. This can be solved by resetting the graphics card or replacing it.
3. Solution: There may be hardware problems, such as poor contact with the memory module or CPU, power supply problems, motherboard problems, motherboard coms problems. You can pull out the graphics card and reinstall it, or ask a professional Personnel maintenance.
4. Why does my computer turn on with a black screen? There are many reasons why the computer cannot turn on and the screen turns black, such as damaged monitor, damaged motherboard, damaged graphics card, poor contact with the graphics card, damaged power supply, damaged CPU, etc.
5. After the laptop is turned on and not used for a period of time, the screen will go black. It will normalize after restarting. In fact, the system enters sleep mode, causing the black screen. By default, the system will automatically enter the sleep state if it is not used for a period of time, and then the screen will turn black. As long as hibernation mode is turned off, the computer screen will go black.
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