Having problems with your HP PAVILION A6230N DESKTOP PC ?

NO SIGNAL What do I do?

\015 On my screen it says NO SIGNAL. What does this mean and how do I fix the problem?\015

Answers :

These messages are normal when the computer truly goes into suspend mode or loses the video signal (such as when the computer is suddenly turned off).
If the monitor displays any of these messages when the computer should be displaying video , do the following items until an image from the computer appears:

1.
Ensure the computer is really sending a video signal. To bring the computer out of suspend mode: move the mouse, press the spacebar, and press the suspend button on the keyboard twice (the suspend button has an icon that looks like a quarter moon).
2.
Ensure the video cable is connected (and connected to the correct video port).
3.
If you are trying to view video from a set-top box, DVD player or similar device, use its menu system to set the proper video output channel so that it matches the video connection are using. For example, if the monitor is connected to a satellite receiver via a second HDMI connection on the back of the receiver, select HDMI-2 (or similar) using the remote control for the receiver.
4.
Turn off the monitor using the monitor's power button and then restart the monitor.
5.
Cycle the power on the monitor as follows:
1.
Turn off the monitor. The power light on the monitor should be off. Leave the computer turned on.
2.
Unplug the power cord.
3.
Wait 5 seconds.
4.
Plug in the power cord.
5.
Press the power button on the monitor to turn on the monitor.
One of two things happens:
1.
The image from the computer displays on the monitor and you can use the computer again. This indicates that the monitor was unable to detect that the computer had awakened from suspend mode. Turn the monitor off when it is not being used or disable suspend mode. For some computers, updating the BIOS corrects these types of suspend problems.
2.
The power light on the monitor comes on but the screen displays one of the messages again. The monitor is not receiving a video signal from the computer that it can detect and use. Continue using these steps to adjust the Windows display resolution to the Monitor's native (default) resolution.
6.
Adjust the Windows display resolution to a setting that is compatible with the monitor:
NOTE: The native resolution setting for your model of monitor can be found in the Monitor User Guide, the monitor's product packaging, and product specifications.
1.
Restart the computer and press F8 repeatedly after the first logo screen.
2.
Select Safe Mode .
3.
Windows should open showing a Windows desktop with lower resolution and fewer colors.
4.
In Windows Vista, click Start , Control Panel , and click Adjust Screen Resolution in Appearance and Personalization.
In Windows XP, click Start , Settings , Control Panel and then double-click the Display icon and select the Settings tab.
5.
Move the slider bar until the native resolution for the monitor is set, click OK and restart the computer.
6.
If the native resolution is not available from the slider bar, click Advanced Settings , click List All Modes (from the Adapter tab), select the resolution, and click OK .
If the native resolution setting is not available as a selection in Windows, you can temporarily use 1024 x 768 to complete these steps. However, you should update the graphics driver on the computer. Updating the graphics driver can provide more display resolutions to Windows; possibly including the native display resolution for the monitor.
*
Check for nVidia video driver updates at nVidia Home Page (in English).
*
Check for ATI video driver updates at ATI Home Page (in English).
*
Check for S3 video driver updates at S3 Graphics Home Page (in English).
*
Check for Intel video support and downloads, Intel Downloads (in English).
*
If you own an HP or Compaq computer, HP hosts video drivers and some video driver updates at the HP Software and Drivers site (in English)
7.
Connect the monitor to another computer that you know is working to determine if the monitor should be serviced or replaced:
*
If the monitor displays an image from another computer, you know that the monitor works. Troubleshoot the video connection and graphics adapter on the computer.
*
If the monitor remain blank when connected to another computer, the monitor signal processing hardware may be bad. The monitor should be repaired or replaced.

NOTE: One or more of the links above will take you outside the Hewlett-Packard Web site. HP does not control and is not responsible for information outside of the HP Web site.
Repair Help & Product Troubleshooting for HP PAVILION A6230N DESKTOP PC

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