This video provides troubleshooting tips for Dell desktop systems with monitor issues. It suggests checking the power source, display cable, and video input mode. If the monitor displays a message, the issue may be with the computer. If the power LED is off, check the power cable and try unplugging and replugging it. If the LED glows amber, ensure the PC is powered on and the display cable is connected properly. The correct monitor input source should also be selected.
A Dell desktop system is an extension of your personality. It can be unnerving when it stops working, and this video will take a look at troubleshooting your monitor for blank screens and power issues.
Before proceeding, check that the monitor is connected to the wall outlet and is powered on. The display cable is securely attached to the monitor and tower. The correct video input mode is selected.
To start with, disconnect the display cable from the tower. If the monitor displays a no VGA, DVI, or HDMI cable message, the monitor has passed the Built-In Self-Test, and you may have to troubleshoot your computer.
If not, confirm that the monitor is receiving power by observing the power LED. If the LED is off, ensure that the monitor is powered on. If the LED continues to be off after pressing the power button try these steps.
Unplug the monitor power cord from the wall. Unplug the cord from the back of the monitor. Wait for a minute. Attach the cord back to the monitor and plug it in to a functioning wall outlet.
Press the monitor power button. Did that work? If not, ensure that the power cable is intact. Check for tears, exposed wires, or any damages. If the power LED glows amber, the monitor is not receiving a working signal from your PC.
Ensure that the PC is powered on. Check the display cable for any damages and ensure that it is connected properly. If the system has a discrete video card, the integrated card will be disabled.
In such scenarios, the display cable could be connected to the discrete card's board. Ensure that you have selected the correct monitor input source.
Traditional monitors will have a quick-access button to switch display from VGA to DVI and vice versa. Or, you can switch the input source by going to "Menu", Input Source, and select the appropriate source.
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FAQs
Turn off the computer and the monitor. Unplug the video cable which connects the monitor to the computer. Check the video port on the computer, the monitor, and the video cable if they are damaged or the pins are bent. If there is no damage, reconnect the monitor to the computer.
Why is my Dell powering on but no display? ›
Ensure that the PC is powered on. Check the display cable for any damages and ensure that it is connected properly. If the system has a discrete video card, the integrated card will be disabled. In such scenarios, the display cable could be connected to the discrete card's board.
Why is my monitor black but has power? ›
The possible causes include faulty connections, broken components, out-of-date software, and viruses. 3. Why is my computer on, but the screen is black? It might be due to several factors, including loose wires, broken hardware, old drivers, virus infestation, or improper display settings.
How to fix a Dell monitor that won't turn on? ›
Press the power button and wait for three to five seconds. Test the power outlet being used by plugging in another electrical device and verify that there is power. Ensure that the power cable is fully inserted at both ends. Swap with a known-good power cable, if one is available.
How to restart Dell computer when screen is black? ›
Step 1: Press the Windows + Ctrl + Shift + B keys at the same time. Tip: This key combination is often applied when running into a BSOD problem. Step 2: Now, you should wait patiently until the restart process finishes. In most cases, the Dell laptop black screen Windows 10 error can be fixed after the restart.
How do you reset a black screen on a monitor? ›
Troubleshooting black or blank screens in Windows
- To wake the screen, use one of the following keyboard shortcuts: Windows logo key + P to choose a presentation or projection display mode. ...
- For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.
Reset the monitor to factory settings
- Press Button 3 on the monitor to enter the On-Screen Display (OSD) Menu.
- Press Button 1 or Button 2 to select Others option in the menu and press Button 3 to select.
- Press Button 1 or Button 2 to select Factory Reset option in the menu and press Button 3 to select.
The LCD display or video issue can occur due to outdated drivers such as BIOS, video card (GPU), chipset, and monitor driver, or video. It can also occur due to incorrect graphic settings in the operating system, faulty video cable, or outdated operating system updates.
Why is my computer powering on but no display? ›
When a computer powers on but shows nothing on the screen, the most likely issue is the monitor. It's either off, disconnected, or broken. However, you should also consider that a peripheral device connected to the PC, or the computer itself, could be to blame.
Why is my computer recognizing my monitor but the screen is black? ›
Sometimes, the cable can be the cause of the problem, especially if it is old or damaged. Update the graphics card driver to the latest version. This can help resolve any compatibility issues and improve performance. Check the monitor settings to make sure that it is set to the correct input source.
Check the display cable for any damages and ensure that it is connected properly. If the system has a discrete video card, the integrated card will be disabled. In such scenarios, the display cable could be connected to the discrete card's board. Ensure that you have selected the correct monitor input source.
How do you fix a monitor that turns on but no display? ›
What to Do When Your Computer Screen Won't Show a Picture
- Give it More Power. (Credit: Molly Flores) ...
- Check the Cable Connections. ...
- Have You Tried Turning It Off and On Again? ...
- Turn Up the Brightness. ...
- Try a Different Cable. ...
- Try Another Display. ...
- Change the Input. ...
- Check Your Power Settings.
Check power and cable connections. Turn monitor's brightness and contrast settings completely up. Connect different working monitor. If it doesn't, check for issues like disconnected or faulty video card.
How do I restart my computer when the screen is stuck on black? ›
In some cases, you might be able to resolve black screen issues by simply restarting the graphics driver in a normal Windows environment. To do this, press Win + Ctrl + Shift +B. If you don't think a driver is the cause of the black screen, you should look to the hardware itself.
How do I force my Dell to turn on? ›
Press and hold the power button for 10 seconds. Reseat the battery Connect the AC adapter and try switching on. The laptop should turn on now. If this does not resolve the issue you can always call Dell technical support for expert assistance.
How do you hard reset a Dell computer? ›
Disconnect all devices such as USB drives, printers, webcams, and media cards (SD/xD). Press and hold the power button for 15 to 20 seconds to drain the residual power. Connect the power cable (for desktops) or AC adapter and battery (for laptops). Turn on the computer.
Why did my monitor suddenly go black? ›
Check your cables and connectors.
Inspect for damage. Wiggle the cable to see if the monitor goes black. Try using a different video cable and see if it fixes the problem. Try connecting to a different monitor or a TV and see if that fixes the issue.
How to do a hard reset when your screen is black? ›
A black screen when your phone is on happens because of faulty apps, battery issues, or mechanical screen problems. On Android, press and hold the Power and Volume Down keys for 7-10 seconds to force-restart.
How do I force a monitor to reset? ›
How to reset your Monitor to factory settings
- Unplug the Monitor from power.
- Hold down the button on the side of the Monitor.
- While holding down the button, plug the Monitor back into power.
- Wait for the Blue LED to blink 5 times.
- Release the button.
The Brightness slider appears in action center in Windows 10, version 1903. To find the brightness slider in earlier versions of Windows 10, select Settings > System > Display, and then move the Change brightness slider to adjust the brightness.
What to Do When Your Computer Screen Won't Show a Picture
- Give it More Power. (Credit: Molly Flores) ...
- Check the Cable Connections. ...
- Have You Tried Turning It Off and On Again? ...
- Turn Up the Brightness. ...
- Try a Different Cable. ...
- Try Another Display. ...
- Change the Input. ...
- Check Your Power Settings.
The black screen of death is a fatal system error displayed by some versions of Microsoft Windows after encountering a critical system error. A hardware black screen of death that occurs when the system hard drive is unable to load the master boot record. The screen is blank apart from a flashing white text cursor.
How do I fix my second monitor going black? ›
Before Reading: Quick Test You Can Try First
- Check the cables and make sure there are no loose or damaged cables that might be causing your monitor to go black.
- Update the drivers.
- Adjust power settings on your computer and monitor.
- Restart the devices.
- Make sure the monitor is not overheated.
