
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 4250
Page 1: ...Aspire 4250 SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 56: ...1 46 Hardware Specifications and Configurations ...
Page 57: ...CHAPTER 2 System Utilities ...
Page 85: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 87: ...3 3 LVDS Cable Removal 3 43 LVDS Cable Installation 3 44 ...
Page 88: ...3 4 ...
Page 129: ...CHAPTER 4 Troubleshooting ...
Page 135: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Page 153: ...CHAPTER 5 Jumper and Connector Locations ...
Page 160: ...5 8 Jumper and Connector Locations ...
Page 161: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 162: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 20 ...
Page 181: ...CHAPTER 7 Model Definition and Configuration ...
Page 182: ...1 2 Acer Aspire 4250 7 1 ...
Page 186: ...7 4 Model Definition and Configuration ...
Page 187: ...CHAPTER 8 Test Compatible Components ...
Page 188: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 197: ...CHAPTER 9 Online Support Information ...
Page 198: ...9 2 Introduction 9 3 ...
Page 200: ...9 4 Online Support Information ...