Acer Aspire 7730 Service Guide

							Chapter 3121
Replacing the WLAN Board
1. Insert the WLAN board in to the socket.2.Push the board down and replace the two securing 
screws.
3. Replace the three antenna cables.
NOTE: The following is the correct cable-color to connector designation: TR1 (left) to White, TR3 (middle) 
to Gray, and TR2 (right) to Black. 
						

							122Chapter 3
Replacing the TV Tuner Module
1. Insert the TV Tuner board in to the socket.2.Attach the bracket to the module.
3. Replace the three securing screws. 4. Replace the antenna cable. 
						

							Chapter 3123
Replacing the Turbo Ram Module.
Replacing the MXM Module
1. Insert the Turbo Ram board in to the socket.2.Attach the bracket to the module.
3. Replace the three securing screws.
1. Insert the MXM board in to the socket.2.Replace the four securing screws. 
						

							124Chapter 3
Replacing the DIMM Modules
Replacing the Lower Covers
1. Insert DIMM1 in to the socket.2.Press down to locate DIMM correctly.
3.Repeat steps 1 and 2 for the second DIMM module.
1. Replace the HDD2 cover. 2. Replace the HDD1 cover.
3. Replace the Memory cover. 4. Secure the ten captive screws in the covers.
Requires new image 
						

							Chapter 3125
Replacing the ExpressCard Dummy Tray
Replacing the SD Dummy Tray
Replacing the Battery
1. Insert the ExpressCard dummy as shown. 2. Push into the slot until flush with the chassis cover.
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 
						

							126Chapter 3 
						

							Chapter 4127
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 197.
Symptoms (Verified)Go To
Power On Issue Page 128
No Display Issue Page 129
LCD Failure Page 131
Internal Keyboard Failure Page 131
Touch Pad Failure Page 132
Internal Speaker Failure Page 132
Internal Microphone Failure Page 134
ODD Failure Page 136
Rightside USB Failure Page 139
Modem Failure Page 139
WLAN Failure Page 140
Acer EasyLaunch Button Failure Page 140
Acer MediaTouch Failure Page 141
Fingerprint Reader Failure Page 141
Thermal Unit Failure Page 142
HDTV Switch Failure Page 142
Other Functions Failure Page 143
Intermittent Failures Page 144
Undermined Failures Page 144
Chapter 4 
						

							128Chapter 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 
142) 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 35).
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 197. 
						

							Chapter 4129
No Display Issue
If the Display doesn’t work, perform the following actions one at a time to correct the problem. Do not replace 
a non-defective FRUs:
No POST or Video
If the POST or video doesn’t display, perform the following actions one at a time to correct the problem.
1.Make sure that the internal display is selected. On this notebook model, switching between the internal 
display and the external display is done by pressing Fn+F5. Reference Product pages for specific model 
procedures.
2.Make sure the computer has power by checking at least one of the following occurs:
•Fans start up 
•Status LEDs light up
If there is no power, see “Power On Issue” on page 128.
3.Drain any stored power by removing the power cable and battery and holding down the power button for 
10 seconds. Reconnect the power and reboot the computer.
4.Connect an external monitor to the computer and switch between the internal display and the external 
display is by pressing Fn+F5 (on this model). 
If the POST or video appears on the external display, see “LCD Failure” on page 131.
5.Disconnect power and all external devices including port replicators or docking stations. Remove any 
memory cards and CD/DVD discs. Restart the computer.
If the computer boots correctly, add the devices one by one until the failure point is discovered.
6.Reseat the memory modules.
7.Remove the drives (see “Disassembly Process” on page 44).
8.If the Issue is still not resolved, see “Online Support Information” on page 197. 
						

							130Chapter 4
Abnormal Video Display
If video displays abnormally, perform the following actions one at a time to correct the problem.
1.Reboot the computer.
2.If permanent vertical/horizontal lines or dark spots display in the same location, the LCD is faulty and 
should be replaced. See “Disassembly Process” on page 44.
3.If extensive pixel damage is present (different colored spots in the same locations on the screen), the LCD 
is faulty and should be replaced. See “Disassembly Process” on page 44.
4.Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings. 
NOTE: Ensure that the computer is not running on battery alone as this may reduce display brightness.
If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. See 
“Disassembly Process” on page 44.
5.Check the display resolution is correctly configured:
a.Minimize or close all Windows. 
b.If display size is only abnormal in an application, check the view settings and control/mouse wheel 
zoom feature in the application. 
c.If desktop display resolution is not normal, right-click on the desktop and select 
Personalize´ Display Settings. 
d.Click and drag the Resolution slider to the desired resolution. 
e.Click Apply and check the display. Readjust if necessary.
6.Roll back the video driver to the previous version if updated.
7.Remove and reinstall the video driver.
8.Check the Device Manager to determine that:
•The device is properly installed. There are no red Xs or yellow exclamation marks. 
•There are no device conflicts. 
•No hardware is listed under Other Devices.
9.If the Issue is still not resolved, see “Online Support Information” on page 197.
10.Run the Windows Memory Diagnostic from the operating system DVD and follow the onscreen prompts.
11 .If the Issue is still not resolved, see “Online Support Information” on page 197.
Random Loss of BIOS Settings
If the computer is experiencing intermittent loss of BIOS information, perform the following actions one at a 
time to correct the problem.
1.If the computer is more than one year old, replace the CMOS battery.
2.Run a complete virus scan using up-to-date software to ensure the computer is virus free.
3.If the computer is experiencing HDD or ODD BIOS information loss, disconnect and reconnect the power 
and data cables between devices.
If the BIOS settings are still lost, replace the cables.
4.If HDD information is missing from the BIOS, the drive may be defective and should be replaced. 
5.Replace the Motherboard.
6.If the Issue is still not resolved, see “Online Support Information” on page 197.