Red Hat Linux 7.2: The Official Red Hat Linux Alpha Installation Guide
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# Problems After Installation

## Problems with Server Installations and X

If you performed a server installation and you are having trouble getting X to start, that is because the X Window System is not installed during a server-class installation.

If you want the X Window System, but you did a server-class installation, you can perform an upgrade to install X. During the upgrade, select the X Window System packages, and choose GNOME, KDE, or both.

## Problems When You Try to Log In

If you did not create a user account during the installation you will need to log in as root and use the password you assigned to root.

If you cannot remember your user account password, you must become root. To become root, type `su -` and enter your root password when prompted. Then, type `passwd <username>`. This allows you to enter a new password for the specified user account.

If you selected either the custom- or workstation-class installation and do not see the graphical login screen, check your hardware for compatibility issues. The Hardware Compatibility List can be found at http://hardware.redhat.com.

## Does Netscape Navigator Crash on JavaScript Pages?

If Netscape Navigator continuously crashes on pages that contain JavaScripts, you may need to edit your `~/.mailcap` file.

Edit the file using pico by typing `pico ~/.mailcap` at the prompt in a terminal window. (You may use any text editor.)

Remove the following lines from the file:

     application/x-javascript;;\
     x-mozilla-flags=save

You can also turn off JavaScript within Netscape Navigator itself. Click on Edit=>Preferences=>Advanced and make sure the Enable JavaScript checkbox is not selected.

If these do not help, you can also try to use a newer version of Netscape Navigator if available. Check the Red Hat Linux errata website under security advisories for more information.

## Your Printer Will Not Work Under X

If you are not sure how to set up your printer or are having trouble getting it to work properly, try using the graphical printtool program. To access printtool, log in as root, open a terminal window, and type `printtool`.

## Problems with Sound Configuration

If you do not have sound after your installation, you may need to run the sound configuration utility. As root, type `sndconfig` in a terminal window.

If the sndconfig application did not help, you may need to uncheck the mute buttons in the Audio Mixer. Click on Panel=>Programs=>Applications=>Audio Mixer to launch the application.

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