Acer Aspire 6920 Service Guide

							Chapter 261
Remove HDD password Utility
This section provide you with removing HDD password method:
Remove HDD Password:
If you key in wrong HDD password for three time, “HDD password error code” would display on the screen. 
See the image below.
If you need to solve HDD password locked problem, you can run unlock6.EXE
1.
Key in “unlock6 error code 205”
2.Select “2”
3.Choose one HDD password
Reboot system and key in “R6PI11X” or “MI8N4KK” to HDD user password. 
						

							62Chapter 2
Then the HDD password will be unlocked and will auto into Windows after reboot. 
						

							Chapter 361
This chapter contains step-by-step procedures on how to disassemble the notebook computer Aspire 6920 for 
maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
                  Wrist grounding strap and conductive mat for preventing electrostatic discharge
                  Small Philips screw driver
                  hilips screwdriver
                  Plastic flat head screw driver
                  Tweezers
NOTE: The screws for the different components vary in size. During the disassembly process, group the 
screws with the corresponding components to avoid mismatch when putting back the components. 
When you remove the stripe cover, please be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement 
						

							62Chapter 3
General Information
Before You Begin
Before proceeding with the disassembly procedure, make sure that you do the following:
1.Turn off the power to the system and all peripherals.
2.Unplug the AC adapter and all power and signal cables from the system.
3.Remove the battery pack. 
						

							Chapter 363
Disassembly Procedure Flowchart
The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence 
and instructs you on the components that need to be removed during servicing. For example, if you want to 
remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in 
that order. 
						

							64Chapter 3 
						

							Chapter 365
Removing the Battery Pack
1.Release the battery.
2.Slide the battery latch then remove the battery.
  
						

							66Chapter 3
Removing the HDD/Memory Module/Wireless LAN Card/TV Tuner Card/
System Fan/Thermal Modules/CPU 
Removing the HDD
1.Remove the six screws fastening the CTO cover
2.Detach the CTO cover from the notebook.
Removing the Wireless Cover & RAM Module
3.Remove one screw to release the Wireless cover
4.Remove the Wireless cover from the notebook.
5.Pop out the memory module from the DIMM socket then remove it (If the notebook has two memory 
modules, then repeat this step). 
Removing the Wireless LAN Card/TV Tunder Card and System Fan
6.Pull out the Wireless antenna.
7.Remove the two screws fastening the wireless LAN card. 
						

							Chapter 367
8.Disconnect the main and auxiliary antennae from the wireless LAN card.
9.Then take out the wireless LAN card from the main unit. 
10.Loose two screws from the TV card.
11 .Remove the TV card from the machine.
12.Remove the two screws from the Wireless card.
13.Remove the Wireless card from the machine.
14.Remove HDD module as shown.
15.Unplug power cable from the machine. 
16.Remove FAN cable from the machine.
17.Loose the FAN screw.
18.Take out the system fan from the main unit as shown. 
						

							68Chapter 3
Removing the Thermal Modules and the CPU
19.Remove the two screws holding the finger heatsink.
20.Detach the finger heatsink from the main board.
21.Then take out the CPU heatsink from the main board.
22.Use a flat screwdriver to release the CPU lock (Turn counter clock-wise) then remove the CPU carefully.
23.Remove the Express dummy card.
24.Remove the card reader dummy.