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 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
.
Summary of Contents for AOHAPPY2
Page 1: ...Aspire One D257 Happy 2 SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 55: ...CHAPTER 2 System Utilities ...
Page 81: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 83: ...3 3 Camera Module Installation 3 40 ...
Page 84: ...3 4 ...
Page 107: ...Machine Maintenance Procedures 3 27 ID Size Quantity Screw Type C M2 0 3 0 NI 2 ...
Page 116: ...3 36 Machine Maintenance Procedures Figure 3 33 LCD Panel ...
Page 121: ...CHAPTER 4 Troubleshooting ...
Page 127: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Page 144: ...4 24 Troubleshooting ...
Page 145: ...CHAPTER 5 Jumper and Connector Locations ...
Page 152: ...5 8 Jumper and Connector Locations ...
Page 153: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 154: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 28 ...
Page 181: ...CHAPTER 7 Model Definition and Configuration ...
Page 182: ...1 2 Aspire One D257 7 1 Aspire One Happy 2 7 109 ...
Page 388: ...7 206 Model Definition and Configuration ...
Page 389: ...CHAPTER 8 Test Compatible Components ...
Page 390: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 398: ...8 10 Test Compatible Components ...
Page 399: ...Test Compatible Components 8 11 ...
Page 400: ...8 12 Test Compatible Components ...
Page 401: ...CHAPTER 9 Online Support Information ...
Page 402: ...9 2 Introduction 9 3 ...
Page 404: ...9 4 Online Support Information ...