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What is the reason why the computer screen is black but the computer is on?
The reasons why the computer has a black screen but is turned on include: 1. There is an error in the resolution; 2. There is a problem with the VGA connection; 3. The graphics card fails; 4. Computer virus damage, etc. If you want to know more about computer black screen, you can read the article below this topic.
What should I do if the computer screen is black but the computer is on?Solution: 1. If there is an error in the resolution, you can plug in the computer power cord, turn on the desktop computer and wait until the light comes on, then press CTRL+ALT+F7 to restore the default resolution; 2. There is a problem with the VGA connection. If there is a cable For problems such as breakage or damage, just replace the VGA cable; 3. The graphics card fails, wipe the graphics card, and reinstall the graphics card; 4. Computer virus damage, press and hold the CTRL key when starting the computer, or enter the Windows system startup screen when booting Just press the F8 key before and enter safe mode to scan and kill viruses.
What key to press to restore the computer from black screen?If the computer screen is black, press these 3 keys: ;;, if it is not restored, check other reasons. There are many reasons why the computer has a black screen. We need to solve the problem. If the black screen is caused by deleting or damaging system files, then the user needs to restart When installing a computer, hard disk problems can also cause a black screen. Hard disk damage is basically irreparable and can only be replaced. What keys to press to recover from a black computer screen? 1. The main reasons for a black computer screen: 1. The computer accidentally deleted or damaged system files. At this time, you need to reinstall the system; 2. Disk problem. The disk needs to be checked and if there is a problem, it can be replaced; 3. There is a conflict between the installed software or plug-ins and the system compatibility. You can force shut down the computer 3 times and then restart the computer. Once it appears, select and the computer will reboot to enter. Open it again and
Why does the computer screen go black for a second or two and then recover?The reasons why the computer recovers after a black screen for a second or two are: 1. The computer power plug is loose; 2. The data connection cable between the display and the host is loose; 3. The graphics card is loose; 4. The fan has too much dust; 5. The CPU temperature is too high; 6. , There is a problem with the motherboard's boot circuit; 7. The system is damaged; 8. The VGA video connection between the host and the monitor is in poor contact; 9. The gold finger of the memory or graphics card is oxidized.
What to do if closing a process causes the computer to go blackThe solution to closing a process that causes the computer to go black is: 1. Press the [Ctrl+Alt+Del] shortcut keys to open the Task Manager; 2. Click the [File] and [Run New Task] options in sequence; 3. In the input box Enter [explorer.exe] and click [OK].
What to do if the computer screen is black and there is a mouse arrowFirst press the "Ctrl+Alt+Delete" keys, open the "Task Manager" and select "Applications". Then right-click and select "New Task", or click "New Task". Finally, enter "explorer" in the edit box under the "Create New Task" window and click "OK".
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