4-4
Troubleshooting
Power On Issues
0
If the system does not power on, perform the following.
Figure 4-1.
Power On Issue
Computer Shuts Down Intermittently
0
If the system powers off at intervals, perform the following.
1.
Makes sure the power cable is properly connected to the computer and the electrical outlet.
2.
Remove all extension cables between the computer and the outlet.
3.
Remove all surge protectors between the computer and the electrical outlet. Plug the
computer directly into a known serviceable electrical outlet.
4.
Disconnect the power and open the casing to check the Thermal Unit (refer to Thermal
Unit Failure) and fan airways are free of obstructions.
5.
Remove all external and non-essential hardware connected to the computer that are not
necessary to boot the computer to the failure point.
6.
Remove any recently installed software.
7.
If the Issue is still not resolved, refer to
Online Support Information
.
Start
Check
AC/Battery
Power on
Swap AC/Battery
OK
NG
Check
Daughter/B
&
FFC Whether
OK
Swap Daughter/B
Re-plug PWR FFC
OK
NG
Swap M/B
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...