If you cannot select your monitor’s native display resolution, then update the computer’s graphics drivers and repeat this step. Use the following steps to change to a compatible display resolution and color depth setting from a standard graphics mode.
Connect the computer to a working monitor to perform these steps. key on the keyboard to see if the computer comes out of a suspended state. If the computer opens into a suspended state every time the computer is started, use the following steps to disable Power Saving in the BIOS.
If the monitor still does not work, replace net gear genie the monitor power cable. Replace or service the monitor if it still does not turn on.
After you have reconnected the power cord, turn on the monitor to see if an image is displayed. If there is still no image, continue to the next step. Make sure that you have the monitor power adapter cord plugged into the power connector. Otherwise, check the video cable connection on the back of the computer and on the monitor.
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For flat panel LCD monitors, set the display resolution to the monitor’s native display resolution. With the power cable removed press and hold the power button on the front of the computer for 5 seconds. You can use these steps even though you cannot see anything on the monitor. If the new monitor works, the original monitor or its cables are faulty. Try connecting the monitor with a different video cable.
- 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.
- Troubleshoot a video connection from a monitor to a desktop computer.
- Use the following steps to see if a built-in on-screen message is displayed.
- 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.
- Go to Reseat loose internal components to check for loose components.
Make sure that it is connected properly and the connecting screws are tight. Turn the monitor off and then back on again to see if an image is displayed. If you see the initial HP logo screen but later lose the picture, go to Connect the computer to another monitor. If a message is displayed, the monitor panel is working and the problem is related to the video signal. For further troubleshooting steps, see, Flat Panel Monitor Displays Message about No Signal, Signal out of Range, Sleep, or Power Save.
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If the power light comes on, the monitor has power, skip to Check for fan noises, beeps, and power lights. Disconnect the video cable from the monitor and make sure the monitor power cable is plugged into a power outlet.
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At first setup, or under certain signal conditions, the monitor might not be able to switch to a new display resolution. 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. 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.