Maintenance, 1 overview, 1 what you can do in this section – ZyXEL Communications SMG-700 User Manual
Page 75: 2 what you need to know, 3 before you begin, Chapter 6 maintenance, Maintenance (75)

NWD-270N User’s Guide
75
C
H A P T E R
6
Maintenance
6.1 Overview
This section describes how to uninstall or upgrade the ZyXEL utility.
6.1.1 What You Can Do in This Section
• Learn which version of the ZyXEL utility and device driver you’re currently using. See
for details.
• Remove the ZyXEL utility from your computer. See
• Upgrade the ZyXEL utility. See
for details.
6.1.2 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.
6.1.3 Before You Begin
• Disconnect the NWD-270N if you are going to uninstall or upgrade the ZyXEL utility,
save your work in any other open programs, and then close them.