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, one at a time.
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.
4.
Connect the power and reboot the computer.
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?
Содержание Aspire 7750Z
Страница 1: ...Aspire 7750 7750G SERVICEGUIDE...
Страница 10: ...x...
Страница 11: ...CHAPTER 1 Hardware Specification...
Страница 14: ...1 4...
Страница 32: ...1 22 Hardware Specifications and Configurations System Block Diagram Figure 1 10 System Block Diagram...
Страница 56: ...1 46 Hardware Specifications and Configurations...
Страница 57: ...CHAPTER 2 System Utilities...
Страница 79: ...CHAPTER 3 Machine Maintenance...
Страница 82: ...3 4...
Страница 122: ...3 44 Machine Maintenance Procedures...
Страница 123: ...CHAPTER 4 Troubleshooting...
Страница 136: ...4 14 Troubleshooting WLAN Failure 0 If the WLAN fails perform the following Figure 4 9 WLAN Failure 6WDUW L0D 6WDUW...
Страница 149: ...CHAPTER 5 Jumper and Connector Locations...
Страница 156: ...5 8 Jumper and Connector Locations...
Страница 157: ...CHAPTER 6 FRU List...
Страница 158: ...6 2 Exploded Diagrams 6 4 FRU List 6 6 Screw List 6 23...
Страница 180: ...6 24 FRU Field Replaceable Unit List...
Страница 181: ...CHAPTER 7 Model Definition and Configuration...
Страница 182: ...7 2 Aspire 7750 7750G 7 3...
Страница 253: ...CHAPTER 8 Test Compatible Components...
Страница 254: ...8 2 Microsoft Windows 7 Environment Test 8 4...
Страница 270: ...8 18 Test Compatible Components...
Страница 271: ...CHAPTER 9 Online Support Information...
Страница 272: ...9 2 Introduction 9 3...
Страница 274: ...9 4 Online Support Information...