Acer Aspire 4732z Service Guide

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Troubleshooting Procedure
Perform the following procedure to determine the cause of a computer problem.
1.Obtain the failure symptoms in as much detail as possible.
2.Verify the symptoms by attempting to recreate the failure by running the diagnostic tests or repeating the 
same operation.
3.Disconnect all power source from the computer when performing an assembly or disassembly procedure.
4.Perform the following visual inspection before you continue. 
• Power...

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Memory Check
NOTE: Make sure that the DIMM is properly installed into the connector. A loose connection can cause an 
error.
Do the following:
1.Boot from the diagnostic diskette and start the diagnostic program.
2.Go to the diagnostic memory in the test items.
3.Press F2 in the test items.
4.Follow onscreen instructions.
Power System Check
Do the following:
1.Remove the battery pack.
2.Connect the power adapter and check the power supply.
3.Disconnect the power...

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Touchpad Check
If the touchpad doesn’t work, do the following  procedures in sequence to correct the problem. Do not replace 
a non-defective FRU:
1.After rebooting, run the Tracking Pad PS2 Mode Driver. For example Syn touch driver.
2.Run the utility with the PS/2 mouse function and check if the mouse is working.
3.If the PS/2 mouse does not work, then click if the main board to switch board FPC is connected properly.
4.If the mainboard to switch board FPC is...

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This chapter shows the block diagram and board layout of the Acer Aspire 4732Z/4332 computer.  Procedures 
for clearing the BIOS and HDD passwords, as well as  instructions for BIOS recovery are also provided. 
Block Diagram
The core subsystems of the Acer Aspire 4732Z/4332 are depicted in the following block diagram.
System Architecture
Chapter 5
  

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Mainboard Layout  
This section shows the major mainboard components
Top View
  
ItemCodeComponent
1LCD1LCD-CCD coaxial cable connector     
2POWERCN1Power board cable connector
3SPK1Speaker cable connector   
4TPAD1Touchpad board cable connector  
5KB1Keyboard cable connector   
6CARD15-in-1 card reader module
7RTC1RTC battery 
8U16Intel ICH9M chipset 
   

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Bottom View
  
ItemCodeComponent
1BAT1Battery pack connector 
2HDD1HDD module connector
3DC1DC-in jack
4CNt1VGA port
5FAN 1Heat sink fan cable connector  
6RJ1Ethernet port
7USB1 USB 2.0 ports8USB2
9MC1Microphone-in jack
10LOUT1Line-out jack
11NB1Mobile Intel GM45 or GL40 GMCH 
12DM2 DIMM slots 13DM1
14ODD1ODD module connector     
15U33Processor socket
16MINIC1WLAN module slot
   

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Clearing a BIOS Password
To clear a lost BIOS password (user or supervisor password) you need to short the G61hardware gap located 
near the HDD connector.    
H/W Gap Default SettingFunction
G61Open (normal)Short to clear the user and supervisor passwords.
To clear a BIOS password:
1. Turn off the computer and unplug all the peripherals connected to it.
2.Unplug the power cord from the computer.
3.Remove the battery pack according to the instructions described on...

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Unlocking the HDD
To regain access to your computer if you lose the HDD password, you need to generate a master password 
and unlock your hard drive. 
To unlock the hard drive:
1.Open the computer in a DOS environment.
2.Type the following command: 
A\> unlock6 XXXXX  00
3.Press Enter to display the command options.
4.Select option 2 (upper case ASCII code), then press Enter.
5.Write down the generated master password. 
6.Reboot the computer. 
7.In the HDD password...

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Performing a BIOS Recovery
1.Shut down the BIOS failed-computer. 
2.Connect the USB storage device containing the BIOS recovery crisis disk files to the failed computer.
3.Press and hold  +  keys (this is the BIOS recovery hotkey), then press the power button.
The system will now execute the BIOS recovery process. When the process is complete the computer will 
automatically reboot. 
4.Disconnect the USB storage device from the computer.
5.Perform a BIOS flash...