Acer Aspire 7230 Service Guide

							Chapter 3121
Replacing the Switch Board
1.Reseat the Switch Board and replace the two securing screws. 
2. Connect both cables on the right as shown.
3. Replace the FFC cable on the left as shown and close the locking latch. 
						

							122Chapter 3
Replacing the Switch Cover
1.Replace the Switch cover, and press down to secure in place.
2. Turn the computer over and replace the nine securing screws. 
						

							Chapter 3123
Replacing the ODD Module
Replacing the Hard Disk Drive Module
1.Eject the ODD tray and press the cover into the 
tray, bottom edge first, to secure.2. Turn ODD Module around and secure bracket with 
two screws.
3. Slide Module in chassis and press until Module is 
flush with chassis.4. Replace the ODD Cap and secure the single 
captive screw.
1.Replace the connector on the HDD.2.Place the HDD in the HDD carrier. 
						

							124Chapter 3
3. Replace the four screws (two each side) to secure 
the carrier.4. Insert the HDD, left side first, and push down to 
locate the interface correctly.
5. Replace the two securing screws. 
						

							Chapter 3125
Replacing the WLAN Board
Replacing the TV Tuner Module
1.Insert the WLAN board in to the socket.2.Push the board down and replace the two securing 
screws.
3. Replace the two antenna cables.
NOTE: The following is the correct cable-color to connector designation: TR1 to Gray and TR2 to Black.
1.Attach the bracket to the module.2.Insert the TV Tuner board in to the socket. 
						

							126Chapter 3
Replacing the MXM Module
Replacing the DIMM Modules
3. Replace the two securing screws. 4. Replace the antenna cable.
1.Insert the MXM board in to the socket.2.Replace the four securing screws.
1.Insert DIMM in to the socket.2.Press down to locate DIMM correctly.
3.Repeat steps 1 and 2 for the second DIMM module. 
						

							Chapter 3127
Replacing the Lower Covers
Replacing the ExpressCard Dummy Tray
1.Replace the HDD2 cover. 2. Replace the HDD1 cover.
3. Replace the Memory cover. 4. Secure the ten captive screws in the covers.
1.Insert the ExpressCard dummy as shown. 2. Push into the slot until flush with the chassis cover. 
						

							128Chapter 3
Replacing the SD Dummy Tray
Replacing the Battery
1.Insert the SD dummy as shown. 2. Push into the slot until flush with the chassis cover.
1.Slide and hold the battery release latch (1), insert 
battery in to the main unit (2). 2. Slide the battery lock/unlock latch to the lock 
position.
1
2 
						

							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 195.
Symptoms (Verified)Go To
Power On Issue Page 130
No Display Issue Page 131
LCD Failure Page 133
Internal Keyboard Failure Page 133
Touch Pad 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 Failure Page 142
Acer EasyLaunch Button Failure Page 142
Acer MediaTouch Failure Page 143
Fingerprint Reader Failure Page 143
Thermal Unit Failure Page 144
HDTV Switch Failure Page 144
Other Functions Failure Page 145
Intermittent Failures Page 146
Undermined Failures Page 146
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 
“Boot” 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 195.