Red Hat Linux 7.2: The Official Red Hat Linux x86 Installation Guide
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# X Configuration

In order to complete X configuration, you must configure your monitor and customize your X settings.

## Configuring Your Monitor

If you chose to skip X configuration, go to the section called Installation Complete.

Xconfigurator, the X Window System configuration tool, presents a list of monitors for you to choose from. In the list, you can either use the monitor that is autodetected for you, or choose another monitor.

Figure 3-25. Monitor Selection

If your monitor does not appear on the list, select the most appropriate Generic model available. If you do select a Generic monitor, Xconfigurator will suggest horizontal and vertical sync ranges. These values are generally available in the documentation which accompanies your monitor, or from your monitor's vendor or manufacturer; please check your documentation to make sure these values are set correctly.

| Caution
| Do not select a monitor similar to your monitor unless you are certain that the monitor you are selecting does not exceed the capabilities of your monitor. Doing so may overclock your monitor and damage or destroy it.

The horizontal and vertical ranges that Xconfigurator suggests for your monitor are also displayed on this screen.

If you decide that the values you have selected are incorrect, you can click the Restore original values button to return to the suggested settings.

Click Next when you have finished configuring your monitor.

## Custom Configuration

Choose the correct color depth and resolution for your X configuration. Click Test Setting to try out this configuration. If you do not like what you see during the test, click No to choose another resolution.

| Note
| If you need to exit out of the X test, use the [Ctrl]-[Alt]-[Backspace] key combination. Also note that this will not work in some test cases.

We recommend that you test your configuration, to make sure the resolution and color settings are usable.

If you installed both GNOME and KDE, you can choose which one to use as your default desktop environment. If you installed one or the other, it will only show GNOME or KDE as the desktop default.

Figure 3-26. X Customization

You can also choose whether you want to boot your system into a text or graphical environment once Red Hat Linux is installed. Unless you have special needs, booting into a graphical environment (similar to a Windows environment) is recommended. If you choose to boot into a text environment, you will be presented with a command prompt (similar to a DOS environment).

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