
Troubleshooting
4-5
No Display Issues
0
If the Display does not work, perform the following, one at a time. Do not replace a
non-defective FRU:
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. Switch between the internal and external
display by pressing
Fn
+
F5
.
NOTE:
NOTE
:
This hotkey may not apply to all models. Refer to the computer’s user manual for the
applicable hotkey sequence.
2.
Make sure the computer has power by checking for one of the following:
Fans start up
Status LEDs illuminate
If there is no power, refer to the “
Power On Issues”
section on page
4-4
.
Summary of Contents for Aspire S7-391
Page 1: ...Aspire S7 391 SERVICEGUIDE ...
Page 9: ...CHAPTER 1 Hardware Specifications ...
Page 38: ...1 30 Hardware Specifications and Configurations ...
Page 39: ...CHAPTER 2 System Utilities ...
Page 58: ...2 20 System Utilities ...
Page 59: ...CHAPTER 3 Machine Maintenance ...
Page 96: ...3 38 Machine Maintenance 4 Detach the keyboard from the upper case Figure 3 58 Keyboard ...
Page 128: ...3 70 Machine Maintenance ...
Page 129: ...CHAPTER 4 Troubleshooting ...
Page 158: ...4 30 Troubleshooting ...
Page 159: ...CHAPTER 5 Jumper and Connector Locations ...
Page 165: ...CHAPTER 6 FRU List ...
Page 166: ...6 2 Aspire S7 391 Exploded Diagrams 6 4 Main Assembly 6 4 FRU List 6 6 ...
Page 177: ...CHAPTER 7 Test Compatible Components ...
Page 178: ...7 2 Microsoft Windows 7 Environment Test 7 3 ...
Page 183: ...CHAPTER 8 Online Support Information ...
Page 184: ...8 2 Online Support Information 8 3 ...
Page 186: ...8 4 ...