HP Desktop PCs – Computer Starts but Monitor Remains Blank (Windows) | HP® Customer Support

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Changing your Windows 10/11 computer’s screen resolution should be a straightforward process. Simply right-click on the desktop, then choose Display Settings. Step Replace the graphics card or have the hardware serviced · Step Disable power settings in the BIOS · Step Change the display resolution · Step 9.
 
 

How to Fix It When a Second Monitor Is Not Working

 
If you let it go and your symptoms worsen, you could damage your mental and physical health, so be careful. The brightness of your display should not be left at the default setting but adjusted according to the brightness of the room where it’s installed. Other causes of color issues include different display panels, backlights, technologies , and age. If the frame rate or resolution is incorrect, adjust it there. Fix 4: Check Your Display Driver. Leave a Reply Cancel reply. Most PCs can use graphics from the graphics card or the motherboard, but not both at the same time.

 

How to increase your computer screen size – none:. Recommended Models

 

Check all the following items before attempting to service or replace the monitor:. Make sure the power outlet has power and the power outlet matches the power rating for the monitor. Step 2: Check for fan noises, beeps, and power lights To help determine whether the problem is caused by the computer or the monitor, turn on the computer, listen for sounds, and look at the lights.

If the computer makes a beeping sound when turned on, a card, cable, memory module, or processor inside the computer might have come loose. Go to Reseat loose internal components to check for loose components. If you do not hear noise from the fans and the power lights on the computer are not on, the problem is related to the computer, not the monitor. To troubleshoot a computer that does not start, see Computer Does Not Start. If you can hear the computer fan spinning and see lights on the computer, the problem is probably caused by the video cable connection or the monitor.

Continue to the next step. Step 3: Reset the monitor At first setup, or under certain signal conditions, the monitor might not be able to switch to a new display resolution. Do not shut down or restart the computer. Instead, reset your monitor. If you need instructions for resetting your monitor, search the HP support website.

Go to HP Customer Support , and follow the instructions to find your product. You should see the image from the computer on the screen. If not, continue to the next step. Step 4: Check for error messages on the monitor Use the following steps to see if a built-in on-screen message is displayed.

If a message is displayed, the monitor panel is working and the problem is related to the video signal. If the monitor remains blank, turn off the computer and continue troubleshooting. Some monitors do not have on-screen messages but instead use the lights to indicate no signal. When you disconnect the cable, instead of an on-screen message, the light turns amber , indicating that the monitor lost signal and is working properly, but is out of range, or not receiving the signal.

Step 5: Check cable connections If you see the initial HP logo screen but later lose the picture, go to Connect the computer to another monitor. Otherwise, check the video cable connection on the back of the computer and on the monitor. Make sure that it is connected properly and the connecting screws are tight. Turn the monitor off and then back on again while the computer is on to see if an image is displayed. Make sure that you have the monitor power adapter cord plugged into the power connector.

After you have reconnected the power cord, turn on the monitor while the computer is on to see if an image is displayed. If there is still no image, continue to the next step. Step 6: Connect the computer to another monitor Connect the computer to another monitor to determine which device has the problem the monitor or the computer.

If you do not have an extra monitor, temporarily connect the computer to another monitor for troubleshooting purposes. If the newly attached monitor does not display anything , disconnect the cable and continue to the step to Inspect the video cable and video connectors for damage. If the newly attached monitor displays initial startup screen s but then goes black, there is a problem with Windows starting.

If the new monitor works , the original monitor or its cables are faulty. Try connecting the monitor with a different video cable. If the monitor still does not work, replace the monitor power cable. Replace or service the monitor if it still does not turn on. Step 7: Inspect the video cable and video connectors for damage Inspect the video cable and video connectors for damage.

Check for sharp bends or breaks in the cable, or bent or broken pins at the connectors. With the monitor and computer off, try to straighten bent pins with a small metal tube, like the tip of an empty mechanical pencil or the tip of a retracted pen.

If you had to straighten any pins, reconnect the monitor making sure that the video cable is firmly connected and then turn on the computer and monitor. If the monitor is still blank, continue to the next step.

If your computer came with a graphics card, HP may have installed a plastic cover over the video port attached to the motherboard. Most PCs can use graphics from the graphics card or the motherboard, but not both at the same time. The better solution is to connect an adapter to make the connection.

Turn on the computer and repeatedly press the F10 key about once every second for eight seconds. Step 9: Reseat loose internal components If the computer case was recently serviced or moved, a card, cable, memory module, or processor may have become loose. When this happens, the computer might make a beeping sound when it turns on.

Use the following steps to check for loose components:. Be careful not to slide skin along any interior metal edge of the computer. To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface such as a conductive foam pad , and wear an ESD wrist strap connected to a grounded surface. Unplug all cables except for the power. Note each cable location if you do not already know where it connects. With the power cable removed press and hold the power button on the front of the computer for 5 seconds.

Gently press down on the outside edges of cards and memory modules that are inserted into the motherboard to better seat them. Do not apply too much pressure. Replace the side panel and screw s , reconnect the computer cables, and turn on the computer.

If the monitor still displays a black screen or displays a No signal message, the video hardware may be faulty and needs to be replaced or serviced. If the monitor displays the first startup screen but then goes blank, continue to the next step. Step Change the display resolution Use this step to configure Windows to use a display resolution that is compatible with the main monitor device. In order to perform these steps, you must connect the computer to another working monitor.

If you cannot view the first startup screens, skip to Replace the graphics card or have the hardware serviced. Check the cable’s documentation on the manufacturer’s website to find the latest display connection version supported by the cable.

If the cable doesn’t support your display, replace it with a cable that does. Additionally, check the appearance of the connectors on the cable, computer, and monitors to ensure they’re compatible. Remove any switches or converters from the signal chain. If possible, remove or replace dongles and switches temporarily. If the simpler connection works, the removed device is to blame. Try a different display interface. This can accomplish a few things. If the current interface can’t drive all the pixels in the second monitor, switching to a different interface can fix that problem.

Unless you must use a VGA connection for legacy compatibility, avoid it; it cannot properly drive modern displays. Just because you can plug a cable into a port doesn’t mean you’ll have full compatibility.

Update the computer’s display drivers. If you have a third-party discrete graphics card, update the drivers from the manufacturer.

If you plug the monitor into the motherboard’s display connectors, visit the motherboard or computer manufacturer’s website to check for updated drivers for those features. Lower the image quality. If the monitor suffers from a poor frame rate, choppiness, or corrupted video or game content, reducing the signal’s complexity can help.

For games, try the lowest-quality settings first, then gradually improve the quality until the issue reappears. For video content, try a lower resolution or a less demanding frame rate. Check the power connections. If the monitor doesn’t turn on , try different power connectors or wall outlets. Test wall outlets with other devices before plugging in the monitor to ensure those devices work properly. Check the monitor’s input settings. If the monitor has multiple input interfaces, make sure you have the correct one selected in the monitor’s on-screen menu.

Most monitors have an auto-detect feature that automatically switches to the connector receiving the signal. When that doesn’t work, set the display connector manually. Make sure the monitor can display the content sent to it. Does the monitor have sufficient color gamut , resolution , or bit depth to display the content properly?

Consult the monitor’s documentation or the monitor manufacturer’s website. If none of these steps fix the problem, you might need to replace the monitor. If you see colored lines, black or colored points, or cracks in the image, the monitor’s panel might be damaged and require replacement.

These display issues can be fixed similarly on macOS. When you visit this site, it may store or retrieve information on your browser, mostly in the form of cookies.

Cookies collect information about your preferences and your device and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. You can find out more and change our default settings with Cookie Settings. By Alexander Fox. Alexander Fox. Alexander Fox is a former Lifewire writer who loves translating tech for consumers. Reviewed by Michael Barton Heine Jr.

Tweet Share Email. Be sure to remove one device at a time for proper troubleshooting. Was this page helpful? Thanks for letting us know! Email Address Sign up There was an error.

 
 

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Then, you may have to shrink ibcrease screen back to its normal size. Before looking in depth at how to increase your computer screen size – none: methods of shrinking the screen, it is better to understand sreen of the causes of abnormal по этому адресу size. There are several reasons why the display of your laptop might change from increaase norm. Most times the direct or нажмите для деталей actions of users will lead to a change of the system settings.

Most times, the cause of a weird display screen is tied to the setting of its resolution. Reverting it back to normal or the recommended setting should solve the problem. Just follow these steps:. Step 5: A window for screen resolution pops out. Note that for resolution, the best option is the recommended setting. If the resolution of your screen is not the problem, then it might be the display. Changing the display requires the following steps as above.

If your screen only covers a certain portion of your display instead of the full screen, then the orientation just might be the problem. We compute be following some of the steps as above tk achieve the results. Step nonr: A window for screen resolution pops out. For a laptop screen showing tiny or large fonts, you will have to reduce it by changing the setting. Another reason for your display screen to change from its normal size is by activation of the magnifier.

Once you turn it how to increase your computer screen size – none:, everything should reset. Step 7: Check if the box beside it has a tick. Shrinking the screen size of your Sizf PC back to normal should not be a hassle if you follow the steps above. If the resolution is not the problem, then it may be the display size. Try out the options given to get the perfect fix. Sarah, You have done a great job for those of screen that do not know how to do all the things we need to do but do not know how.

Whew Thank you from the bottom of my heart. I shall scan for any other helps that you have blessed many with. Us novices need all the help we can get.

Again thanks. Table Of Contents shows. Article by: Sarah Adedun. Thanks for a job well done Reply. Leave this field empty.