The Top 5 ways to troubleshoot a black screen issue depend on whether the problem stems from a loose hardware connection, a frozen operating system, or a corrupted graphics driver. 1. Reset the Graphics Card Driver
If your computer is turned on but the screen is completely blank, your graphics driver might have crashed or lost communication with the display.
Action: Press Windows Key + Ctrl + Shift + B simultaneously.
What happens: Your screen will flicker and you will hear a short beep. This forces Windows to restart the video subsystem and refresh the display connection without losing your open work. 2. Isolate and Check Hardware Connections
Before diving into software fixes, rule out bad cables or faulty ports.
Reseat video cables: Unplug and firmly reconnect your HDMI, DisplayPort, or VGA cable on both the computer tower and the monitor.
Test the screen: Connect your computer to a different monitor or TV. If it displays an image, your original monitor or its cable is broken.
Remove peripherals: Disconnect external USB drives, printers, and webcams, then restart. A malfunctioning external device can occasionally freeze the system during bootup. 3. Restart Windows Explorer via Task Manager
If your screen is completely black but you can still see and move your mouse cursor, the core Windows desktop interface (explorer.exe) has crashed.
Action: Press Ctrl + Shift + Esc to force open the Task Manager.
If it opens: Click on File > Run new task, type explorer.exe, and hit Enter. This instantly restarts your desktop, taskbar, and icons. 4. Boot into Safe Mode to Roll Back Graphics Drivers
If your screen turns black right after the Windows loading logo, a recent system or driver update is likely incompatible with your hardware.
How to Fix a Black Screen on Your Computer | HP® Tech Takes
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