ZyXEL Communications NWD-211AN -, User Manual

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NWD271N User’s Guide
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C
H A P T E R
5
Maintenance
5.1 Overview
This section describes how to uninstall or upgrade the ZyXEL utility.
5.1.1 What You Can Do in This Section
• Learn which version of the ZyXEL utility and device driver you’re currently using. See
Section 5.2 on page 71 for details.
• Remove the ZyXEL utility from your computer. See Section 5.3 on page 72 for details.
• Upgrade the ZyXEL utility. See Section 5.4 on page 73 for details.
5.1.2 What You Need to Know
The following term may help as you read through this section.
Device driver
A system file that lets other programs interact with a piece of hardware, or “device.” You
should never try to locate and install or uninstall device drivers yourself since they are
modifications to an operating system at the core (or “kernel”) level. Doing so could irreparably
damage your installation.
5.1.3 Before You Begin
• Disconnect the NWD271N if you are going to uninstall or upgrade the ZyXEL utility,
save your work in any other open programs, and then close them.
5.2 The About Screen
The About screen displays driver and utility version numbers of the NWD271N. To display
the screen as shown below, click the about ( ) button.