User's Guide

Table Of Contents
If you would like to update your programs and drivers, follow these instructions:
1. From the Start screen, type support, and then select the HP Support Assistant app.
-or-
From the Windows desktop, click the question mark icon in the notification area, at the far right
of the taskbar.
2. Click Updates and tune-ups, and then click Check for HP updates now.
3. Follow the on-screen instructions.
Cleaning your computer
Use the following products to safely clean your computer:
Dimethyl benzyl ammonium chloride 0.3 percent maximum concentration (for example,
disposable wipes, which come in a variety of brands)
Alcohol-free glass-cleaning fluid
Solution of water and mild soap
Dry microfiber cleaning cloth or a chamois (static-free cloth without oil)
Static-free cloth wipes
CAUTION: Avoid strong cleaning solvents that can permanently damage your computer. If you are
not sure that a cleaning product is safe for your computer, check the product contents to make sure
that ingredients such as alcohol, acetone, ammonium chloride, methylene chloride, and hydrocarbons
are not included in the product.
Fibrous materials, such as paper towels, can scratch the computer. Over time, dirt particles and
cleaning agents can get trapped in the scratches.
Cleaning procedures
Follow the procedures in this section to safely clean your computer.
WARNING! To prevent electric shock or damage to components, do not attempt to clean your
computer while it is on.
1. Turn off the computer.
2. Disconnect AC power.
3. Disconnect all powered external devices.
CAUTION: To prevent damage to internal components, do not spray cleaning agents or liquids
directly on any computer surface. Liquids dripped on the surface can permanently damage internal
components.
Cleaning the display
Gently wipe the display using a soft, lint-free cloth moistened with an alcohol-free glass cleaner. Be
sure that a display is dry before you close the computer.
38 Chapter 7 Maintaining your computer