Acer Travelmate 7730a Service Guide

Chapter 3: Replacing notebook components131
15Remove the old processor from the system board.
16Install the new processor onto the system board making sure that Pin 1 on the 
processor (indicated by the silk-screened arrow on the corner of the processor) 
aligns with Pin 1 on the processor socket (indicated by the absence of a pin hole in 
the processor socket), then use a flat-blade screwdriver to turn the processor lock 
screw 1/2-turn clockwise.
17Remove any thermal grease residue from the cooling...

132Chapter 3: Replacing notebook components
19Make sure a thermal pad is placed between the new cooling assembly and other 
components as shown.
20Replace the cooling assembly by following the instructions in “Replacing the 
cooling assembly” on page 124.
21Replace the system board by following the instructions in “Replacing the system 
board” on page 120.
22Replace the modem by following the instructions in “Replacing the modem” on 
page 117.
Thermal
grease
Thermal
grease
Thermal pad 

Chapter 3: Replacing notebook components133
23Replace the palm rest by following the steps in “Replacing the palm rest” on page 
96.
24Replace the LCD assembly by following the steps in “Replacing the LCD assembly” 
on page 84.
25Replace the keyboard by following the steps in “Replacing the keyboard” on page 
80.
26Replace the keyboard cover by following the steps in “Replacing the keyboard 
cover” on page 78.
27Replace the hard drive(s) by following the steps in “Replacing the primary hard 
drive” on...

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135
❑Diagnosing problems
❑System test procedures
❑Power-On Self-Test (POST) error message
❑Index of error messages
❑Phoenix BIOS beep codes
❑Symptom-to-FRU error messages
❑Intermittent problems
❑Undetermined problems
Troubleshooting
Chapter 4
TravelMate 7730/7730G 

136Chapter 4: Troubleshooting
Diagnosing problems
Use the following procedure as a guide for diagnosing notebook 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.
1Obtain the failing symptoms in as much detail as possible.
2Verify the symptoms by attempting to re-create the failure by running the 
diagnostic test or by repeating the same operation.
3Use the following...

Chapter 4: Troubleshooting137
System test procedures
Testing the external diskette drive
Use the following procedure to isolate a problem in a diskette controller, driver, or drive. You 
must have a write-enabled, diagnostic diskette to complete this test.
Note: Make sure that the diskette does not have more than one label 
attached to it. Multiple labels can cause damage to the drive or cause 
the drive to fail.
To test the external diskette drive:
1Boot from the diagnostics diskette and start the...

138Chapter 4: Troubleshooting
❑Numeric keypad
❑External keyboard
If any of these devices do not work, reconnect the cable connector and repeat the failing 
operation.
Testing the memory
Memory errors can stop your programs, show error messages on the screen, or hang the system.
To test the memory:
1Boot from the diagnostics diskette and start the diagnostics program.
2Run the Memory Test and see if the test completes successfully.
3Press F2 in the test items.
4Follow the instructions in the message...

Chapter 4: Troubleshooting139
3If the power-on indicator does not light up, check the power adapter’s power cord 
for correct continuity and installation.
4If the operational charge does not work, see “Check the battery pack” on page 139. 
Check the battery pack
To check the battery pack using software:
1Open Power Management in the Windows Control Panel.
2In Power Meter, make sure that the parameters shown for Current Power Source 
and Total Battery Power Remaining are correct.
3Repeat the steps 1 and...

140Chapter 4: Troubleshooting
Power-On Self-Test (POST) error message
The POST error message index lists the error message and their possible causes. The most likely 
cause is listed first.
Note: Perform the FRU replacement or actions in the sequence shown in 
the FRU/Action column. If the FRU replacement does not solve the 
problem, put the original part back in the notebook. Do not replace a 
non-defective FRU.
This index can also help you determine the next possible FRU to be replaced when servicing a...