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Introducing Microsoft Windows Vista phần 6

Nếu phần cứng máy tính không hỗ trợ các trạng thái ngủ, máy tính không có thể sử dụng trạng thái ngủ và tắt máy tính, quyền hạn nó xuống hoàn toàn. Nếu máy tính đã cài đặt bản cập nhật Lập bản đồ khả năng kết nối mạng và cơ sở hạ tầng của bạn | Chapter 9 Protecting User Accounts and Using Parental Controls 143 computer can be used determine the types of games that can be played and block specific programs by name. Parental controls can also be used to collect information about computer usage. You can enable and configure parental controls by following these steps 1. Click Start and then click Control Panel. 2. In Control Panel click Set Up Parental Controls under the User Accounts And Family Safety category heading. 3. On the Parental Controls page click the user account for which you are configuring parental controls. Note Only local administrators can set and manage parental controls. You cannot configure parental controls for local administrators. 4. To turn on parental controls and enforce settings select On Enforce Current Settings as shown in Figure 9-7. Figure 9-7 Enabling and configuring parental controls 5. To turn on activity reporting select On Collect Information About Computer Usage. 6. Web Restrictions determine allowed Web sites and allowed types of content. If you want to enforce Web Restrictions click Web Restrictions. On the Web Restrictions page shown in Figure 9-8 you can specify which parts of the Internet the user can access Enable blocking by setting Do You Want To Block Some Web Content to Yes. Under Filter Web Content choose a Web restriction level and then select the content that you want to block. 144 Part III Securing Windows Vista Click OK when you have finished. Figure 9-8 Setting Web restrictions 7. Time Limits specify the times when the computer can be used. If you want to enforce Time Limits click Time Limits on the User Controls page. On the Time Limits page shown in Figure 9-9 you can specify what times you allow and what times you block Click and drag over allowed hours to change them to blocked hours. Click and drag over blocked hours to change them to allowed hours. Click OK when you have finished. Figure 9-9 Setting time limits Chapter 9 Protecting User Accounts and