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1. The first reason It's a system failure. If there is a problem with your computer system, such as the installed patch is incompatible, or the software is incompatible, or the driver is incompatible, or the system itself is missing some files, it will cause a black screen.
2. The main reason is that the CMOS setting is wrong. The first initialized display card is set to PCI or the onboard AGP display card, but the monitor is not connected to the corresponding position. As a result, the computer starts normally. The display just doesn't light up.
3. Unplug the graphics card and memory strip, wipe with an eraser, then use a brush to clean the slot dust and fan, replace the memory slot, etc.! 5. If that doesn't work, download "Drive Life" and upgrade: graphics card driver! 6. Turn on the computer again. If it still doesn't work, you need to "one-click restore" or "reinstall the system"! 7.
4. Check to see if this is a pseudo-black screen. Just look carefully and see if there is an image but no backlight. This is usually a problem with the screen cable or light tube. If there is a flashing cursor in the upper left corner of the screen, it is a system or hard disk problem. If the screen is really black, the general graphics card may be the biggest problem.
5. This situation may be due to the fact that the computer cannot detect a certain hardware during self-test or is stuck in detecting a certain hardware.
6. Black screen failure caused by computer host failure a. Failure caused by host power supply. Black screen failure caused by host power supply damage or poor host power supply quality is very common.
1. When the laptop turns on and the screen goes black, first check whether the notebook is in sleep or hibernation state. You can press the keyboard several times. Esc button and see if the keyboard light is on. The connection cable between the monitor and the laptop is loose. If the laptop is connected to another monitor, it is recommended to reconnect the cable between the monitor and the laptop.
2. The notebook screen is black. There may be a software or hardware problem. 1. Black screen caused by software. Sometimes after installing some software or hardware drivers, you may find that after restarting, the computer cannot enter the system and the screen remains black. In this case, the laptop screen is black due to software.
3. Insufficient battery power. It may be due to insufficient battery power: we can connect the power supply and wait for a moment to restart. Graphics card failure Select to replace the graphics card. If your laptop supports external monitors, you can find a good monitor and connect it to your laptop.
4. Black screen failure caused by computer host failure a. Failure caused by host power supply. Black screen failure caused by damage to the host power supply or poor quality of the host power supply is very common.
1. Solution to the black screen after win10 starts with the logo: Operation steps: First check whether the power cable is connected normally and check whether the monitor is damaged. Detection method Just turn off the computer and turn on the monitor to see if there is no information.
2. The screen goes black after win10 passes the logo. This may be because the computer cannot detect certain hardware during self-test or is stuck in detecting certain hardware. Black screen failures caused by damage to the host power supply or poor host power supply quality are very common.
3. Graphics card driver: The black screen may be caused by the incompatibility of the graphics card driver. You need to uninstall the original graphics card driver and install the latest version of the compatible driver to solve the problem.
4. Incompatible graphics card drivers will also cause a black screen. Restart the computer, and then keep clicking the F8 key to enter safe mode.
1. This situation is usually caused by the computer getting stuck while detecting certain hardware during self-test. Solution: Keyboard and mouse Cause: The power-on self-test will detect the mouse and keyboard. If a problem occurs, it will cause the self-test interface to be stuck. The solution is to unplug the keyboard and mouse and check whether it passes the self-test. If it passes the self-test, replace the slider. mouse keyboard.
2. The manufacturer's LOGO is displayed at startup, indicating that it has been started. After the LOGO is displayed, the screen goes black, indicating that the hardware failed to start self-test or there is a problem with the self-test. Shut down the computer and remove the dust. Use an eraser to clean the golden fingers of each board. In particular, try plugging and unplugging the memory module several times.
3. Turn on the computer and press F8 until the advanced options appear. Release it, select "Last Known Good Configuration" and press Enter to repair. \x0d\x0a Please turn on the computer and press F8 to enter the safe mode and use the system restore that comes with the system to restore it to the time when this fault did not occur.
4. Solution to the problem of a black screen with only mouse arrows when the Lenovo laptop starts up: First of all, it may be a hardware problem. The hardware itself has too many bad sectors, so only the mouse can display. In this case, you can try using a USB flash drive to test the hard drive. If there are too many bad sectors, the only way is to replace the hard drive.
Cause two: It may be caused by a virus infection. Press and hold F8 during startup to enter the advanced options page and select "Last Correct Configuration". Then press Enter.
Reset BIOS settings: Sometimes incorrect BIOS settings can also cause black screen problems. Try resetting BIOS settings to default values. Specific steps may vary depending on your computer make and model, so check your computer's user manual or your brand's support site for detailed instructions.
The first reason is system failure. If there is a problem with your computer system, such as the installed patch is incompatible, or the software is incompatible, or the driver is incompatible, or the system itself is missing some files, it will cause a black screen.
This situation may be because the computer cannot detect a certain piece of hardware during self-test or is stuck in detecting a piece of hardware.
The manufacturer's LOGO is displayed on startup, indicating that it has been started. After the LOGO is displayed, the screen goes black, indicating that the hardware failed to start self-test or there is a problem with the self-test. Shut down the computer and remove the dust. Use an eraser to clean the golden fingers of each board. In particular, try plugging and unplugging the memory module several times.
According to your description, the prompt is that your machine system did not start normally. It is recommended to try the following methods: press F2 to enter the BIOS after booting, press F9 to restore the BIOS default settings, press F10 to save and exit, and then try. Please try again after reinstalling or restoring the system to troubleshoot the system.
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