Acer Aspire 3300s Service Guide

45Chapter 2
If you select Set User Password, a message as below will appear:
At the prompt, type your password.  Your password can be up to six characters in length.  After typing the 
password, press “Enter”.  At the next prompt, re-type your password and press “Enter” again to confirm the 
new password.  After the password entry, the screen automatically reverts to the main screen.  
To disable User Password, press “Enter” when prompted to enter the password.  The following screen will 
display a...

Chapter 246
Save & Exit Setup/Exit Without Saving
If you select Save and Exit Setup, you will exit the BIOS utility.  The following dialogue box will appear.  
Select Y (Yes) to exit Setup.  Select N (No) to return to the main menu.
If you select Exit Without Saving, you will discard all the changes you made and exit Setup.   

47Chapter 2 

Chapter 348
This chapter contains step-by-step procedures on how to disassemble the Veriton 3300/3300D desktop 
computer for maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
TWrist grounding strap and conductive mat for preventing electrostatic discharge
TFlat-bladed screwdriver
TPhillips screwdriver
THexagonal screwdriver
TPlastic stick
NOTE: The screws for the different components vary in size. During the disassembly process, group the 
screws with the...

49Chapter 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. 

Chapter 350
Disassembly Procedure Flowchart
The flowchart on the succeeding page gives you a graphical representation on the entire disassembly 
sequence and instructs you on the components that need to be removed during servicing. 
Main Unit
Upper Case
W/ Front Panel
Upper Case
Front Panel
Rotate Bracket
W/DVD-ROM &
FDD Module
DVD-ROMFDD
AGP VGA
CardModem Card
CPU Fan Sink
CPU
DIMM
USB/Audio
Board
Module
USB/Audio
BoardAudio Cable USB Cable
Intrusion
Alarm CableHDD HDD Bracket
Power SupplyHDD ModuleMain...

51Chapter 3
Opening the Housing
This section tells you how to open the housing cover when you need to install additional components inside 
the system unit.
CAUTION: Before you proceed, make sure that you have turned off the system and all peripherals connected 
to it. 
Removing the Housing Cover
1.Place the system unit on a flat, steady surface.
2.Turn the housing back.  
3.Slide the upper case back out about an inch and then gently pull it outward to detach it from the housing.  

Chapter 352
Removing the Front Panel
1.See “Opening the Housing” on page 51
2.Remove the four screws as shown here.
3.Detach the front bezel from the front panel gently in the way as shown here.
Removing the EMI Audio Cover
1.See “Opening the Housing” on page 51
2.Remove the EMI audio cover from the lower case.  

53Chapter 3
Removing the Modem Card
1.See “Opening the Housing” on page 51
2.Remove the screw as shown below and then remove the modem card from the slot.
Removing the AGP VGA Card
1.See “Opening the Housing” on page 51
2.Remove the screw as shown here and then remove the AGP VGA card from the slot. 
Removing the FDD and DVD Frame
1.See “Opening the Housing” on page 51
2.Push the two latches of both sides then lift up the FDD and DVD frame. 

Chapter 354
3.Disconnect the floppy disk drive and power cables from the floppy disk drive.
4.Disconnect the power cable, IDE cable, and audio cable from the DVD-ROM drive.
5.Disconnect the micro switch cable from the main board.
6.Pull the FDD and DVD frame from the lower case.
7.Remove the four screws as shown here then detach the DVD-ROM drive from the frame.