Acer Travelmate 4330 Service Guide

							Chapter 3121
4.Turn the computer over and replace the two securing screws on the bottom of the chassis.
Replacing the Antenna Cables
Ensure that the three Antenna cables pass through the Mainboard and are accessible from the underside of 
lower cover.
1.Replace the Antenna cables in the housing well as 
shown.2.Ensure the cables sit under the retaining brackets 
in the housing well.
3.Insert the cables through the upper base.4.Turn the computer over and pull the cable through. 
						

							122Chapter 3
5.Replace the Antenna Cables in the housing well in the bottom base as shown.
6.Turn the computer over and replace the FFC cables. 
						

							Chapter 3123
Replacing the Keyboard
Replacing the Switch Cover
1.Align the FFC with the connector and press the 
latch down to secure.2.Turn the keyboard over and press down to secure.
3.Replace the two securing screws.
1.Insert the back of the Switch Cover as shown and 
lower in place.2.Starting from the left, press down on the Switch 
Cover to secure. 
						

							124Chapter 3
3.Turn the computer over and replace the five securing screws. 
						

							Chapter 3125
Replacing the WLAN Module
Replacing the Hard Disk Drive Module
1.Insert the WLAN board into the WLAN socket.2.Replace the two screws to secure the module.
3.Connect the two antenna cables to the module.
1.Place the HDD in the HDD carrier.2.Replace the four screws to secure the carrier. 
						

							126Chapter 3
Replacing the DIMM Modules
NOTE: To replace DIMM Module 2, first remove DIMM Module 1. In this procedure, only DIMM Module 1 is 
shown.  3.Replace the HDD holder over the HDD.4.Insert the back first and angle the HDD in place.
1.Insert the DIMM Module flush with the connector and press down to lock in place. 
						

							Chapter 3127
Replacing the ODD Module 
Replacing the Lower Covers
1.With the ODD tray in the eject position, replace the 
ODD cover on the new ODD Module.2.Turn the ODD over and replace the three securing 
screws.
3.Slide Module in chassis and press until Module is 
flush with chassis.4.Replace the single securing screw as shown.
1.Replace the Memory Cover.2.Replace the two securing screws to lock in place. 
						

							128Chapter 3
Replacing the NewCard and SD Card Trays
3.Replace the WLAN Cover.4.Replace the screw to secure in place.
5.Replace HDD Cover.6.Replace the two screws to secure in place.
1.Insert the NewCard and push into the slot until 
flush with the chassis cover.2.Insert the SD Card and push into the slot until flush 
with the chassis cover. 
						

							Chapter 4129
Troubleshooting
Common Problems
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or 
modified options can give false errors and invalid system responses.
1.Obtain the failing symptoms in as much detail as possible.
2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating 
the same operation.
3.Use the following table with the verified symptom to determine which page to go to.
4.If the Issue is still not resolved, see “Online Support Information” on page 203.
Symptoms (Verified)Go To
Power On Issue Page 130
No Display Issue Page 131
LCD Failure Page 133
Internal Keyboard Failure Page 133
Touchpad Failure Page 134
Internal Speaker Failure Page 134
Internal Microphone Failure Page 136
ODD Failure Page 138
Rightside USB Failure Page 141
Modem Failure Page 141
WLAN/WiMAX Failure Page 142
Bluetooth Failure Page 142
Robson Module Failure Page 143
Acer EasyLaunch Button Failure Page 143
Fingerprint Reader Failure Page 144
Thermal Unit Failure Page 144
HDMI Switch Failure Page 145
Other Functions Failure Page 146
Intermittent Failures Page 147
Undetermined Failures Page 147
Chapter 4 
						

							130Chapter 4
Power On Issue
If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not 
replace a non-defective FRUs:
Computer Shutsdown Intermittently
If the system powers off at intervals, perform the following actions one at a time to correct the problem.
1.Check the power cable is properly connected to the computer and the electrical outlet. 
2.Remove any extension cables between the computer and the outlet.
3.Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly 
into a known good electrical outlet. 
4.Disconnect the power and open the casing to check the Thermal Unit (see “Thermal Unit Failure” on page 
144) and fan airways are free of obstructions.
5.Disable the power management settings in the BIOS to ensure they are not the cause of the problem (see 
“Power” on page 37).
6.Remove all external and non-essential hardware connected to the computer that are not necessary to 
boot the computer to the failure point.
7.Remove any recently installed software.
8.If the Issue is still not resolved, see “Online Support Information” on page 203.