User manual ACER ASPIRE Z5751

[. . . ] Record the model number, serial number, purchase date, and place of purchase information in the space provided below. 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. [. . . ] 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. Then unplug all cables from the power outlets. Open your computer according to the instructions on page 10. 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. Replace any expansion boards or peripherals that you removed earlier. Connect the necessary cables and turn on your computer. English Opening your computer Caution: Before you proceed, make sure that you have turned off your computer and all peripherals connected to it. Replace the computer cover. Installing an expansion card To install an expansion card: 1 2 3 4 5 6 7 8 Remove the computer cover. Locate an empty PCI Express or PCI slot on the mainboard. Remove the bracket lock that holds the bracket to the computer. Pull out the bracket on the housing opposite the selected empty slot. Remove the expansion card from its protective packaging. Align the card in the empty bracket and then insert it into the slot. Make sure that the card is properly seated. Secure the card to your computer with the bracket lock you removed earlier. Replace the computer cover. When you turn on the computer, BIOS automatically detects and assigns resources to the newly installed devices. If you want to replace or upgrade any of these components, contact your dealer or a qualified service technician for assistance. 4 Frequently asked questions 16 4 Frequently asked questions English Frequently asked questions The following questions indicate possible situations that may arise during the use of your computer and each is followed by easy answers and solutions. I pressed the power switch but the system did not boot up. Check the LED located above the power switch. If the LED is not lit, no power is being applied to the system. Try the following: · · · Check if the voltage selector switch located on the rear panel of the computer is set to the correct voltage. [. . . ] Usage allowed in the countries of European Union, as well as Norway, Switzerland, Iceland and Liechtenstein. This device must be used in strict accordance with the regulations and constraints in the country of use. For further information, please contact local office in the country of use. 25 The radiated output power of the wireless LAN Card and Bluetooth card is far below the FCC radio frequency exposure limits. Nevertheless, the PC series shall be used in such a manner that the potential for human contact during normal operation is minimized as follows: 1 This device is restricted to indoor use due to its operation in the 5. 15 to 5. 25 GHz frequency range. [. . . ]