User manual ACER A181HL

[. . . ] 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, electronic, mechanical, photocopy, recording, or otherwise, without the prior written permission of Acer Incorporated. Acer Altos G320 Series Model Name : Part Number: Purchase Date: Place of Purchase: Acer and the Acer logo are registered trademarks of Acer Inc. [. . . ] Is the system power cord properly connected to the system and plugged into a NEMA 5-15R outlet for 100-120 V or a NEMA 6-15R outlet for 200-240 V?Are all integrated components from the tested components lists?Check the tested memory, and chassis lists, as well as the supported hardware and operating system list. · · · · · · · · Hardware diagnostic testing This section provides a more detailed approach to identifying a hardware problem and locating its source. 75 Caution!Turn off devices before disconnecting cables: Before disconnecting any peripheral cables from the system, turn off the system and any external peripheral devices. Failure to do so can cause permanent damage to the system and/or the peripheral devices. 1 Turn off the system and all external peripheral devices. Disconnect each of device from the system, except for the keyboard and the video monitor. Make sure the system power cord is plugged into a properly grounded AC outlet. Make sure your video display monitor and keyboard are correctly connected to the system. Set its brightness and contrast controls to at least two thirds of their maximum ranges (see the documentation supplied with your video display monitor). If the operating system normally loads from the hard disk drive, make sure there is no diskette in drive A and no disc in the DVD/CD drive. If the power indicator does light, attempt to boot from a floppy diskette or from a disc. If using SATA drives, make sure that the master or slave settings are set correctly. See your drive documentation for details on setting the master or slave settings. If using SCSI drives, make sure that each SCSI ID number is unique on the SCSI bus. See your drive documentation for details on setting the SCSI ID for your drives. If using a RAID configuration with SATA or SCSI drives, make sure the RAID card is installed correctly. · · HDD activity indicator does not light. If you have installed one or more hard drives in the system, do the following: · · Make sure the power and signal cables are connected correctly. If using SATA or SCSI drives, check that relevant switches and jumpers on the hard drive and backplane board are set correctly. DVD/CD drive activity indicator does not light. Do the following: · · Make sure the power and signal cables are properly installed. Check that relevant switches and jumpers on the drive are set correctly. 78 · · Check that drive is properly configured. 5 Troubleshooting Check that onboard IDE controller is enabled in the BIOS setup. DVD/CD tray cannot be ejected. Do the following: · Insert the tip of a paperclip into the small hole on the DVD/CD drive. Slowly pull the tray out from the drive until the tray is fully extended then remove the disc. DVD/CD drive cannot read a DVD/CD. Do the following: · · · · Make sure you are using the correct type of DVD/CD. Make sure the DVD/CD is properly seated in the drive. Make sure all cables are connected to the DVD/CD drive. Hard drives are not recognized. · · · · · Make sure the drive is not disabled in the BIOS setup. Make sure the drive is connected correctly and the power cable is plugged to the power supply. [. . . ] Close the LSI Logic Configuration Utility after saving the changes. 119 Using the MegaRAID configuration utility Turn on the system. When prompted, press Ctrl+M to enter the MegaRAID configuration utility. After a few seconds, the Management menu appears. Loading the RAID card default setting 1 2 3 In the Management menu, select Objects, then select Adapter. Select Factory Default, then Yes to load the default settings. [. . . ]