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Troubleshooting
4-5
No Display Issues
0
If the Display does not work, perform the following:
Figure 4-2.
No Display Issue
No POST or Video
0
If the POST or video does not appear, perform the following:
1.
Make sure that internal display is selected. Switching between internal and external
by pressing
Fn+F5
. Reference product pages for specific model procedures.
2.
Make sure the computer has power by checking for one of the following:
Fans start up
Status LEDs illuminate
If no power, refer to
Power On Issues
.
3.
Drain stored power by removing the power cable and battery. Hold the power
button for 10 seconds.
START
Power On?
No
Power On Issues
Replace
Ext. DDR RAM
module
No
No
Fasten Screw
Replace
M/B
Check
connection
No
LCD module
OK?
No
Replace
LCD panel/
LCD cable
Ext. DDRRAM
module well
connected?
Ext. DDRRAM
module OK?
CPU thermal
module well
screw?
Summary of Contents for Aspire 4339
Page 1: ...Aspire 4739Z SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 57: ...CHAPTER 2 System Utilities ...
Page 85: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 88: ...3 4 ...
Page 130: ...3 46 Machine Maintenance Procedures ...
Page 131: ...CHAPTER 4 Troubleshooting ...
Page 137: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Page 155: ...CHAPTER 5 Jumper and Connector Locations ...
Page 162: ...5 8 Jumper and Connector Locations ...
Page 163: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 164: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 21 ...
Page 184: ...6 22 FRU Field Replaceable Unit List ...
Page 185: ...CHAPTER 7 Model Definition and Configuration ...
Page 186: ...1 2 Acer Aspire 4739Z 7 1 ...
Page 202: ...7 16 Model Definition and Configuration ...
Page 203: ...CHAPTER 8 Test Compatible Components ...
Page 204: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 213: ...CHAPTER 9 Online Support Information ...
Page 214: ...9 2 Introduction 9 3 ...