Page of 96 Go. Remove or disconnect all of the following devices: Revision History Revision History Please refer to the table below for the updates made on this service guide. You will need to run this utility under the following conditions. X X Color Torque Black 5.

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Unplug the da078l boxer motherboard cord from the system. Disconnect the data and power cables from their optical drive connectors. Refer to the previous section for instructions. Mid POST initialization of chipset registers. Removing the Side Panel Perform the pre-disassembly procedure described da078l boxer motherboard page This message usually indicates obxer da078l boxer motherboard CMOS battery needs to be replaced.

Aspire xAspire xg. The following table describes the type of checkpoints that may occur during the Bootblock recovery portion of the BIOS. Follow procedures below to isolate the failing FRU. Verify that all cable connectors inside the system are firmly and correctly attached to their appropriate connectors. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses.


Page 5 Conventions The following conventions are used in this manual: Remember to disable the Spread Spectrum feature if da078l boxer motherboard are overclocking.

Enter text from picture: Remove all expansion cards except the video adapter. Alerts you to any physical risk or system damage that might result from doing or not doing specific actions.

Remove the two screws A located on the rear edge of the side panel. The diagnostic tests described in this chapter are only intended bixer test Acer products. USB ports Audio jack 5. Chapter 3 Color Da078l boxer motherboard Remove the card reader board. System Troubleshooting, Hardware Diagnostic Procedure This chapter provides instructions on how to troubleshoot system hardware problems. Before removing a processor from the mainboard, make sure to create a backup file of all important data.

Allow it to da078l boxer motherboard off first before handling.

Display total memory in the system. Beep codes will be generated by the system board speaker, commonly referred to as the PC speaker. Each message is listed with a detailed description of the error.

Page 51 To remove the VGA card: Please note that checkpoints may differ between different platforms based on system configuration. Da078l boxer motherboard a long-nosed screwdriver to loosen the four screws on the heatsink fan assembly.

User Password Indicates the status of the user password. Power off the computer. Remove the three screws A that secure the power supply module. X Remove the two screws B that secure the optical drive. Slide the bezel toward the da078l boxer motherboard, then lift the bezel off the housing.

Pre-disassembly Procedure Before proceeding with the disassembly procedure, perform the steps listed below: General Help The Setup Main menu includes the following main setup categories. Checkpoints are very useful in aiding software developers or technicians in debugging problems that occur during da078l boxer motherboard pre- boot process. X Lift the heatsink fan assembly off the da078l boxer motherboard.

Page 75 Press Delete to run the Setup Utility. Checkpoints may differ between different platforms based on system configuration.

Verify that all components are Acer-qualified and supported. Remove the screw D that secures the power supply.

Acer ASPIRE X5400 Service Manual

No part of this publication may be reproduced, transmitted, transcribed, stored da078l boxer motherboard a retrieval system, or translated into any language or da078l boxer motherboard language, in any form or by any means, electronic, mechanical, motherboarv, optical, chemical, manual or otherwise, without Page 6 Service Guide. Turn off the system and all the peripherals connected to da078l boxer motherboard.

X X Color Torque Black 5. Test for total memory installed in the system. This document will be updated as more information about the FRU list becomes available.

Detect different devices Parallel ports, serial ports, and coprocessor in CPU, Power on the system. Conventions The following conventions are used in this manual: Do not isolate non-defective FRU. Visually check them for damage. Replace the system covers.