User manual ACER VERITON D420

[. . . ] The serial number and model number are recorded on the label affixed to your computer. All correspondence concerning your unit should include the serial number, model number, and purchase information. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronically, mechanically, by photocopy, recording, or otherwise, without the prior written permission of Acer Incorporated. Veriton Series Desktop Computer Model number: __________________________________ Serial number: ___________________________________ Purchase date: ___________________________________ Place of purchase: ________________________________ Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies' product names or trademarks are used herein for identification purposes only and belong to their respective companies. iii Information for your safety and comfort Safety instructions Read these instructions carefully. [. . . ] , For Windows Vista: If you cannot shut down your computer normally, press and hold the power button for at least four seconds. Quickly pressing the button may put the computer in suspend mode only. 3 Upgrading your computer 10 3 Upgrading your computer English Installation precautions Before you install any computer component, we recommend that you read the following sections. These sections contain important ESD precautions along with preinstallation and post-installation instructions. ESD precautions Electrostatic discharge (ESD) can damage your processor, disk drives, expansion boards, and other components. Always observe the following precautions before you install a computer component: 1 2 Do not remove a component from its protective packaging until you are ready to install it. Wear a wrist grounding strap and attach it to a metal part of the computer before handling components. If a wrist strap is not available, maintain contact with the computer throughout any procedure requiring ESD protection. Preinstallation instructions Always observe the following before you install any component: 1 2 3 4 5 Turn off your computer and all the peripherals connected to it before opening it. Follow the ESD precautions described above before handling a computer component. Remove any expansion boards or peripherals that block access to the DIMM sockets or component connectors. See the following sections for specific instructions on the component you wish to install. Warning!Not turning off the computer properly before you start installing the components may cause serious damage. Do not attempt the procedures described in the following sections unless you are a qualified service technician. 11 Post-installation instructions Observe the following after installing a computer component: 1 2 3 4 See to it that the components are installed according to the stepby-step instructions in their respective sections. Check if you properly plugged the power cable into an electrical outlet. If you are using a power strip, make sure it is plugged in and turned on. If yes, remove or replace it with a system diskette and press <Ctrl> + <Alt> + <Del> to restart your computer. If the LED is lit, check the following: · Nothing appears on the screen. Your computer's power management function automatically blanks the screen to save power. If restarting your computer does not work, contact your dealer or technical support center for assistance. 17 The printer does not work. Do the following: · · · Make sure the printer is connected to a power outlet and that it is turned on. Make sure the printer cable is connected securely to the system's parallel or USB port and the corresponding port on the printer. For additional information concerning the printer, refer to the printer's documentation. English No sound comes out from the computer. Check the following: · The volume may be muted. You can also press the volume control/mute knob on your USB keyboard to toggle from mute to sound on. If headphones, earphones or external speakers are connected to the lineout jack of your computer, the internal or built-in speakers are automatically turned off. · System cannot read diskette, hard disk, CD or DVD information. Check the following: · · · · Make sure you are using the correct type of disk. If your drive can not read the information on the good disk there may be a problem with the drive. Contact your dealer or technical support center for assistance. System cannot write data on the hard disk or CD-R/CD-RW. Check the following: · · Make sure the diskette or hard disk is not write-protected. Make sure you are using the correct type of disk or diskette. 5 Regulations and safety notices 19 This device has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules. [. . . ] Use of this copyright protection technology must be authorized by Macrovision, and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision. Reverse engineering or disassembly is prohibited. Radio device regulatory notice Note: Below regulatory information is for models with wireless LAN and/or Bluetooth only. General This product complies with the radio frequency and safety standards of any country or region in which it has been approved for wireless use. Depending on configurations, this product may or may not contain wireless radio devices (such as wireless LAN and/or Bluetooth modules). Below information is for products with such devices. English PRODUCTO LÁSER DE LA CLASE I ADVERTENCIA: RADIACIÓN LÁSER INVISIBLE AL SER ABIERTO. [. . . ]