1. If the notebook screen is black when it is turned on, the indicator light is on, the main screen is black, and there is no wind when you put your hand on the fan of the host computer. Then it is a problem with the power adapter. At this time, it needs to be removed and replaced with a new one. Start switch problem. Black screen when booting, no self-test. Use the needle of the watch to short-circuit the startup terminal on the motherboard, and it will start normally.
2. Insufficient battery: Connect the power supply. Wait for a while and then restart. Graphics card failure: Replace the graphics card. If the laptop supports an external monitor, find a good monitor and connect it to your laptop.
3. Reason four: Monitor problem. If the power supply is normal, but the screen is still dark, try to connect another monitor to the computer (you can borrow one if necessary) to make sure it is not the problem. Monitor problem.
4. Graphics card failure. In this case, only one computer's graphics card can be replaced before the computer can be turned on. Sleep function. If you accidentally turn on the hibernation function of your laptop, it can also cause a black screen at startup. Just turn it off. Not enough power. Just reconnect the power supply and charge it for a while. Poor contact.
1. The graphics card is faulty. In this case, only one computer's graphics card can be replaced before the computer can be turned on. Sleep function. If you accidentally turn on the hibernation function of your laptop, it can also cause a black screen at startup. Just turn it off. Not enough power. Just reconnect the power supply and charge it for a while. Poor contact.
2. You can only replace the graphics card. If the notebook supports an external monitor, find a good monitor and connect it to your notebook. Hibernation function Dell laptops have a hibernation function. Unintentionally turning on the hibernation function of the laptop may also cause a black screen when the laptop is turned on. Just turn it off.
3. Insufficient battery: Connect the power supply. Wait for a while and then restart. Graphics card failure: Replace the graphics card. If the laptop supports an external monitor, find a good monitor and connect it to your laptop.
4. Adjust the brightness To adjust the brightness of the LCD screen, please hold down the FN key and press the up arrow key repeatedly to increase the brightness. Or hold down the FN key while repeatedly pressing the arrow keys to decrease the brightness. Connect to an external monitor Connect your laptop to an external monitor. Once connected, hold down the FN key while pressing the F8 key.
5. When the Dell computer enters standby mode and the screen is black, you can try to wake up the computer through these three operations.
The solution to a Dell computer that has a black screen and cannot be turned on is as follows: Graphics card failure. In this case, only one computer's graphics card can be replaced before the computer can be turned on. Sleep function. If you accidentally turn on the hibernation function of your laptop, it can also cause a black screen at startup. Just turn it off. Not enough power.
If your Dell computer displays a black screen when you turn it on and cannot start normally, it is recommended that you try the following methods: Restart the computer: Sometimes, restarting the computer may solve the black screen problem. You can try shutting down your computer, waiting for a while, and then restarting it.
Insufficient battery: Connect the power supply. Wait for a while and then restart. Graphics card failure: Replace the graphics card. If the laptop supports an external monitor, find a good monitor and connect it to your laptop.
The above is the detailed content of Dell laptop black screen when booting. For more information, please follow other related articles on the PHP Chinese website!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
