User manual ACER ASPIRE 7220G

[. . . ] Aspire 7520/7520G/7220/7220G Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd. Tw PRINTED IN TAIWAN Revision History Please refer to the table below for the updates made on Aspire Poyang service guide. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. [. . . ] If the verification is OK, the screen will display as following. The password setting is complete after the user presses u. If the current password entered does not match the actual current password, the screen will show you the Setup Warning. 46 Chapter 2 If the new password and confirm new password strings do not match, the screen will display the following message. F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup Defaults F10 Save and Exit The table below describes the parameters in this screen. settings in boldface are the default and suggested parameter settings. Parameter Advanced CPU Control Platform Power Management IDE Configuration ACPI S1 ACPI S3 Auto wake on S5 Description Option Sets the ACPI S1 sleep state. Enables the Auto wake on S5 by day of month or fixed time of every day, or disables this feature. enables , disables Calistoga Enhanced Power Management mode. Enabled or Disabled Enabled or Disabled Disabled, By Every Day, or By Day of Month Crestline PM Support POPUP Support POPDOWN Support DeepC4 Hard C4E Enabled or Disabled Enabled or Disabled Enabled or Disabled Enabled or Disabled Enabled or Disabled Chapter 2 48 Boot This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the diskette drive in module bay, the onboard hard disk drive, and the CD-ROM in module bay. 5 Slot 0400 USB HDD : USB KEY : USB CDROM : Use < > or < > to select a device, then press <F5> to move it up the list, or <F6> to move it down the list. F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup Defaults F10 Save and Exit Chapter 2 49 Exit The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup Defaults F10 Save and Exit The table below describes the parameters in this screen. Load previous values from CMOS for all SETUP items. 50 Chapter 2 BIOS Flash Utility The BIOS flash memory update is required for the following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. Use the Phlash utility to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the Phlash utility. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash. NOTE: Please use the AC adapter power supply when you run the Phlash utility. If the battery pack does not contain enough power to finish BIOS flash, you may not boot the system because the BIOS is not completely loaded. Follow the steps below to run the Phlash. [. . . ] modem-Related Symptoms Symptom / Error Internal modem does not work correctly. Modem phone port modem combo board System board Action in Sequence NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 88. 86 Chapter 4 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. [. . . ]