
4-4
Troubleshooting
Power On Issues
0
If the system fails, 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
) 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
.
Start
Swap AC/Battery
Swap M/B
OK
NG
OK
OK
NG
Check
AC/Batt only
power on
Check
Power/B
Whether OK
Swap Power
SW/B
Содержание Aspire ONE 722
Страница 1: ...i Aspire One 722 SERVICE GUIDE ...
Страница 10: ...x ...
Страница 11: ...CHAPTER 1 Hardware Specifications ...
Страница 14: ...1 4 ...
Страница 20: ...1 10 Hardware Specifications and Configurations Notebook Tour 0 Top View 0 Figure 1 1 Top View ...
Страница 51: ...CHAPTER 2 System Utilities ...
Страница 78: ...2 28 System Utilities ...
Страница 79: ...CHAPTER 3 Machine Maintenance Procedures ...
Страница 82: ...3 4 ...
Страница 125: ...CHAPTER 4 Troubleshooting ...
Страница 157: ...CHAPTER 5 Jumper and Connector Locations ...
Страница 158: ...5 2 Mainboard 5 3 Clearing Password and BIOS Recovery 5 5 Clearing Password 5 5 BIOS Recovery by Crisis Disk 5 6 ...
Страница 165: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Страница 166: ...6 2 Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 6 FRU List 6 7 Screw List 6 15 ...
Страница 180: ...6 16 FRU Field Replaceable Unit List ...
Страница 181: ...CHAPTER 7 Model Definition and Configuration ...
Страница 182: ...7 2 Aspire One 722 7 3 ...
Страница 210: ...7 30 Model Definition and Configuration ...
Страница 211: ...CHAPTER 8 Test Compatible Components ...
Страница 212: ...8 2 Microsoft Windows 7 Environment Test 8 4 Aspire One 722 8 4 ...
Страница 219: ...CHAPTER 9 Online Support Information ...
Страница 220: ...9 2 Introduction 9 3 ...
Страница 222: ...9 4 Online Support Information ...