Troubleshooting Monitor

Monitor is blank after restarting system:

1. Check to be sure that the Monitor has power and that the light is on.
2. Disconnect all devices except for the mouse, keyboard and monitor. Reboot your computer to see if the issue is resolved. If it is, then it is one of the devices that you have disconnected that is causing the problem. try connecting them one at a time and rebooting each time until the original problem occurs. Once identified, try reinstalling the device and updating the driver to resolve the issue.
3. Try connecting the monitor to a different PC using the problem monitor's power cable. If it still doesn't work, try the known good monitors power cable.
4. Try unplugging the monitors power cable, then wait about 20 or 30 seconds and plug it back in.
5. If none of the above troubleshooting steps does not solve the issue, then it is likely that the monitor is bad.

After connecting a monitor, the picture looks bad:

1. Start the system in Safe Mode by rebooting the system and pressing the F8 key once per second while it is rebooting. Once you see the Windows Startup menu, select Safe Mode from the listed options. press Enter.
2. Go to Start>> Right click My Computer>> Properties>> Hardware tab>> Device Manager button.
3. Click the plus (+) symbol next to the Monitors entry to expand it.
4. Once expanded, right click on the installed monitor(s) and select Uninstall.
5. Exit the Device Manager and restart your system.

Windows  will reinstall your hardware automatically.

The monitor has started making a strange noise:

It is usually a glass display type monitor that will create some unusual noise. Such noise could be:

1. A high pitched tone or high pitched squealing sound:
   Usually, these sounds will be of such a high frequency that they are our of the human ears range. But it is possible for these frequencies to radiate off of internal components making the sound audible. Most of the time, moving or adjusting the height of the monitor cures this problem. Also, try simply turning the monitor off and then back on. If the sound continues or worsens, then either have a qualified technician take a look at your monitor or replace the monitor.
    
2. Monitor is making a clicking sound:
   This type of noise is usually caused by the monitors relays opening and closing. You could hear this type of sound when the computer starts up or when you are playing a game and a display setting is changed. This sound is considered normal.

Monitors display settings are not correct:

This problem usually occurs when a new monitor is installed. It can happen if the automatic detection installs the wrong driver for your hardware resulting in incorrect display settings for your application.

You can try reinstalling the monitor by using the above troubleshooting step; "After connecting a monitor, the picture looks bad". It is possible that Windows will find the correct drivers this time.

Or, visit the manufactures web site and manually install the correct driver for your hardware and operating system.

Display is rotated:

This is usually caused from a game that has changed the Rotation setting within the Graphics Controller. To change this back:

1. Go to Start>> Control Panel>> Intel Extreme Graphics Applet>> Rotation tab.
2. Uncheck the Enable Rotation check box.
3. Click Apply, then OK.
4. Exit Control Panel.

Note: The above steps may vary depending on the graphics card you have installed. You are looking for the Graphics Controller properties window to change the Rotation setting.

An alternate method of finding your Rotation setting is:

1. Right click an empty area of your desktop.
2. Select Properties.
3. Click the Settings tab.
4. Select the Advanced button.
5. Click the Graphics card tab.
6. Select the Graphics Properties button.
7. Click the Rotation tab.
8. Uncheck the Enable Rotation checkbox.
9. Select Apply and exit all windows.

Reference:

http://www.5starsupport.com/faq/monitor.htm