User manual SAMSUNG NV20

[. . . ] 1. 0 Notices No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, mechanical photocopying, recording or otherwise, without the prior written permission of the manufacturer. The information within this manual is subject to change without notice. The manufacturer shall not be held liable for technical or editorial errors or omissions contained in herein; nor for incidental or consequential damages resulting from the furnishing, performance or use of this material. Microsoft Windows is a registered trademark of the Microsoft Corporation. [. . . ] Use <Right Arrow> to select Boot menu. Highlight the 1st Boot Device option with <Up Arrow> or <Down Arrow> keys. Press <F5> or <F6> until the option is moved to the desired position. Press <F10> to exit and save your changes. Press <Enter> again to restart the computer. 58 Users Manual Configuring the Password Setting the Supervisor Password By configuring a supervisor password, you can restrict system access to authorized users only. Select the Security menu in the System Setup. To enter System Setup, see "Using System Setup" on page 56. On the Set Supervisor Password item, press <Enter>. Enter a password, press <Enter>, re-enter the password for confirmation, and press <Enter> again. When a message confirming the password configuration appears in the [Setup Notice] window, press <Enter>. Setting the User Password You can configure user passwords so that other users can use the system. Before configuring a user password, a supervisor password must have been configured. Users can start the system with their user password, but cannot enter into the System Setup. Deactivating the supervisor password also deactivates the user password. On the Set User Password item, press <Enter>, and complete step 3-4 of "Setting the Supervisor Password". Configuring the Password 59 Activating the Booting Password Before activating the booting password, the supervisor password must have been configured. Set the Password on boot option to [Enabled]. From now on, system booting will not proceed without the password. Deactivating the Password 1. On the password to delete, press <Enter>. Enter the current configured password, and press <Enter>. Leave the 'Enter New Password' and 'Confirm New Password' field empty, and press <Enter> to deactivate the password. 60 Users Manual Using Power Management Options Your computer includes Power Management options that can help the battery charge last longer and extend the life of the battery. Power management options will slow down or shut off system components when the components are not being used. Power management may slow down system performance. Your computer runs fastest with the power cord attached, when power management is disabled. In the next sections, basic and advanced methods of power management will be discussed. Basic Power Management Schemes This section discusses the basic schemes of power management when the computer is operating on battery power or using AC power. Standby vs. Hibernation Hibernation is a state where the contents of memory are stored in a special file on the hard disk, and Standby simply keeps a small holding current through the memory to keep the data. You are more likely to sustain loss of data in Standby mode so it is recommended to save all open files before entering Standby. [. . . ] For example, the instructions for starting the computer when you first turn on power are contained in ROM. The portion of a track that is numbered and can hold a specified number of characters (usually 512 KB). Glossary 103 Shadow RAM A write-protected area of RAM that contains a copy of the BIOS. As the computer boots, the BIOS is copied from its permanent location in ROM to RAM. The BIOS can be executed much faster in RAM than in ROM. [. . . ]