Gateway dx4822 用户指南

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User Account Control 
The  User Accounts control panel can help prevent 
unauthorized changes to your computer. User Accounts  will 
ask you for permission or an administrator password before 
performing actions that could potentially affect your 
computer's operation or that change settings that affect other 
users. When you see a User Account message, read it 
carefully, and then make sure the name of the action or 
program that's about to start is one that you intended to 
start. 
By verifying these actions before they start, User Account 
settings can help prevent malicious software (malware) and 
spyware from installing or making changes to your computer 
without permission.
To access User Account settings, click on Start  
Control Panel > User Accounts and Family Safety > User 
Accounts.
Note: You may turn off the User Account Control Messages (not recommended) in the User Account Control 
settings window.
Internet Explorer Security Settings
Internet sites use small files called cookies to keep track of user preferences and information. You can adjust your 
Internet browser's security settings to determine how much -or how little- information you are willing to accept 
from a Web site.
To access Internet Explorer security settings:
1. In Internet Explorer, click on Tools > Internet Options.
2. In the Privacy tab, move the slider up or down to select a setting.
How do I know when my computer is at risk?
If the Action Center reports an alert, or if your computer behaves erratically, crashes unexpectedly or if some of 
your programs do not work correctly, your computer may be infected by malicious software. However, do not 
blame every computer problem on a virus! If you suspect your computer is infected, the first thing to do is update -
if you have not already done so, and run your antivirus and anti-spyware software.
Windows Remote Assistance
Remote Assistance allows a Windows user to 
temporarily take over a remote Windows computer over 
a network or the internet to resolve issues. Remote 
Assistance makes it possible to diagnose and repair 
problems with a computer without personally visiting it.
You can access Remote Assistance by clicking on Start
 > All Programs > Maintenance > Windows 
Remote Assistance. Upon launching Remote 
Assistance, you will see a screen giving you the choice of 
either inviting someone to help you or offering to help 
someone.