Патч для acer aspire one 521

Main Screw List Screw M2. The product previews seen in the disassembly procedures may not represent the final product color or configuration. Removing the Battery Pack Turn the computer over. Slide and hold the battery release latch to the release position 1 , then slide out the battery pack from the main unit 2. The battery has been highlighted with a yellow oval as shown in the above image. Removing the Dummy Card Press the dummy card in to allow it to spring out.

Conventions The following conventions are used in this manual: This symbol where placed in the Service Guide designates a component that should be recycled according to the local regulations. Denotes actual messages that appear on screen. Notebook Tour This section provides an overview of the features and functions of the notebook.

To reset the BIOS password, run clnpwd. From a DOS prompt, Execute clnpwd. The onscreen message determines whether the function is successful or not. To use Boot Sequence Selector, perform the following steps: Acer Product Name Type1, Offset05h: Aspire one xxxxx Serial Number Type1, Offset07h: Acer Asstag Example 2: Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting.

Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Windows Keys The keyboard has two keys that perform Windows-specific functions. Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button; it launches the Start menu. It can also be used with other keys to provide a variety of functions: The Euro symbol Open a text editor or word processor.

Boot This menu allows the user to decide the order of boot devices to load the operating system. Press F2 during boot to enter the Setup Menu. Double click the WinFlash executable. Click OK to begin the update.

Grasp the tab and pull upwards while using the opposite hand to guide the HDD out of the bay. Pull the HDD module out of the connector. Remove four 4 screws from the HDD bracket.

Unlock the touchpad FFC connector. Disconnect the touchpad FFC. Disconnect the Bluetooth module cable from the mainboard. LIft the Bluetooth module away from the computer. Detach the Bluetooth module cable from the module. Disconnect the LVDS cable and remove it from the cable channel. Remove two 2 screws from the hinge. Screw Quantity Screw Type Chapter Turn the computer over and disconnect the power cable from the mainboard.

Using the plastic pry, press in the five 5 latches along the top of the keyboard to release the keyboard from the cover. Unlock and disconnect the Toucpad board FFC. Peel back the adhesive tape on the LVDS connector. Disconnect the LVDS cable. Remove the seventeen 17 screws in the upper cover. Step Lower Cover red call out Disassembly blue call out Chapter Disconnect the HDD connector from the chassis.

Pry the upper cover apart from the lower cover starting along the bottom edge. Lift the upper cover away. Pull the end of the touchboard FFC through the upper cover.

The battery indicator is visible even when the computer cover is closed. Using the Keyboard Your computer has a close-to-full-sized keyboard and an embedded numeric keypad, separate cursor, lock, function and special keys.

Disassembly Requirements To disassemble the computer, you need the following tools: Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: Turn off the power to the system and all peripherals.

Some fonts and software do not support the Euro symbol. Item Focusing range Your computer is already properly configured and optimized, and you do not need to run this utility. However, if you encounter configuration problems, you may need to run Setup. Information The Information screen displays a summary of your computer hardware information. Main The Main screen allows the user to set the system time and date as well as enable and disable boot option and recovery.

Pull the dummy card out. Remove the seven 7 screws. Step Base Door M2. Chapter 3 Screw Quantity Push the memory module clips outwards. Pull the memory module out. Detach the 3G module antennas from the 3G board. Remove the WLAN antennas from the cable channel. Take care to lift the cable away from the metal guide green callout at the corner of the HDD module.

Unplug the AC adapter and all power and signal cables from the system. Place the system on a flat, stable surface. Mainboard, you must first remove the Keyboard, and LCD Module then disassemble the inside assembly frame in that order.

Remove the brackets from the HDD. Chapter 3 Screw Quantity Screw Type Detach the two 2 cables from the Wireless LAN module. Take note of the Main black and Auxiliary white connectors. Remove the one 1 screw. Detach the two 2 cables from the 3G module. Take note of the Main blue and Auxiliary yellow connectors. Remove the two 2 screws. Cable paths and positioning may not represent the actual model. During the removal and replacement of components, ensure all available cable channels and clips are used and that the cables are replaced in the same position.

Revision History Please refer to the table below for the updates made on this 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.

Remove the one 1 screw on the main board.

Information Main S y s t e m Ti m e: Security The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. The Set Supervisor Password box appears: The Set Password box appears.

A progress screen displays. When the process is complete, close all programs and applications and reboot the system. When the user keys in the wrong password three times, the system reports the following error code to user. To unlock the HDD password, perform the following steps: Press Enter to display the Select Item screen. If you key in the wrong Supervisor Password three times, System Disabled displays on the screen. See the image below.

Step Screw Quantity Part No. The keyboard is easily warped or damaged during the removal process. Take care not to use excessive force when removing to prevent damage.