Laptop Screen Not Working But External Monitor Does?

A problem with your graphics drivers can lead to a laptop’s screen not working, but an external monitor does just fine.A graphics driver is software that communicates between hardware and software on your computer’s motherboard. To fix this issue, all you have to do is update the display driver.

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Why does my laptop turn on but the screen is black?

One of the main causes for this issue is a corrupt system file preventing the operating system from loading, resulting in the black or blank screen. Restart Windows to see if it’s a temporary issue and resolves itself with a reboot. If the problem persists, erase your hard drive and reinstall Windows.

Why does my laptop screen go black when I plug in another monitor?

If the screen is blank on the second monitor also, then it could be an issue with the video cable. Try replacing the video cable or using a different video cable if you have multiple connections options like DVI, HDMI, etc. If using VGA works, then it could mean there is an issue with your HDMI or DVI cable.

Why is my computer screen black but I can see the mouse?

You can also try doing the Ctrl+Alt+Delete and see if you can get “Task Manager” to show. If the “Task Manager” windows shows, then choose “New Task” and then type in EXPLORER. If the desktop shows up then you need to go into “Start”, “Programs”, then “Accessories” and finally “Command Prompt”.

How do you fix a laptop that has a black screen suddenly?

Just use the Windows logo key + Ctrl + Shift + B keyboard shortcut to wake up your display. If Windows is responsive, a short beep will sound and the screen will blink or dim when Windows attempts to refresh the screen. If it couldn’t work, you can boot your laptop to Safe Mode to fix a black screen problem.

How do I fix the black screen of death with my cursor?

How to fix black screen with cursor?

  1. Fix 1. Check for technical issues.
  2. Fix 2. Reboot in Safe Mode.
  3. Fix 3. Disable Fast Startup option.
  4. Fix 4. Reinstall graphic drivers.
  5. Fix 5. Restart Windows Explorer.
  6. Fix 6. Reinstall recent updates.
  7. Fix 7. Use System restore.
  8. Fix 8. Reset your computer.

Why is my monitor a black screen?

A monitor that keeps going black is an obvious sign that something’s wrong with your computer. The question is, is the problem trivial or serious? Often, the culprit is a loose or broken cable – an easy fix. Sometimes, however, you’re looking at a bad monitor or damage to the computer itself.

How do I force my monitor to wake up?

To wake up a computer or the monitor from sleep or hibernate, move the mouse or press any key on the keyboard. If this does not work, press the power button to wake up the computer. NOTE: Monitors will wake up from sleep mode as soon as they detect a video signal from the computer.

Why won’t my dual monitors turn on?

If the cable is damaged or malfunctioning, Windows won’t detect the second monitor.Check whether the second monitor is connected to a power source. Some monitors have a switch at the back to power on the display. Make sure the correct input (HDMI, DVI, etc) is selected using the built-in controls on your monitor.

Why is my monitor not sleeping?

When your computer doesn’t go to sleep, check all your settings that can prevent a sleep state. The hardware, power options, and configuration can affect the way power and sleep buttons work. If your PC has windows updates installed or an installed app requires a restart, then your PC may not sleep at all.

How do I take my monitor off sleep mode?

Solution

  1. Go to Control Panel -> Power Options.
  2. Click Choose when to turn off the display in the left pane.
  3. Click Change advanced power settings.
  4. Go to Power buttons and lid and expand Lid close action.
  5. Change Plugged in to Do nothing.

How do I get my computer to recognize 2 monitors?

To detect a second monitor manually on Windows 10, use these steps:

  1. Open Settings.
  2. Click on System.
  3. Click on Display.
  4. Under the “Multiple displays” section, click the Detect button to connect to the external monitor.

How do I get my laptop to recognize my monitor?

Click on the Start button to open the Settings window. Under the System menu and in the Display tab, find and press the Detect button under the heading Multiple Displays. Windows 10 should automatically detect and other monitor or display on your device.

How do I get my second monitor to turn on?

Set the Primary and Secondary Monitor

  1. Right-click on your desktop and select “Display”.
  2. From the display, select the monitor you wish to be your main display.
  3. Check the box that says “Make this my main display.” The other monitor will automatically become the secondary display.
  4. When finished, click [Apply].

When plugged in PC goes to sleep after never?

Click on search box which is near by windows icon or start option on screen. Type there change computer sleep time and select it, press enter . OR Open control panel >> click on Power option >> click on Change when computer sleeps and set the time to never.