4-3
Troubleshooting
Power On Issues
If the system does not power on, perform the following:
Figure 4:1. Power On Issues
Computer Shuts Down Intermittently
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 (See
Unit Thermal
Failure
on page
4-15
) 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
on page
8-2
.
Start
Swap M/B
Check
AC/Batt only
power on
Check Power/B
Whether OK
Swap AC/Battery
OK
NG
Swap Power SW/B
OK
OK
NG
Содержание AO756
Страница 1: ...AO756 V5 171 S E R V I C E G U I D E G U I D E ...
Страница 109: ...Service and Maintenance 5 14 Table 5 8 Base Door Screw Screw Name Screw Type Quantity M 2 0 x 6 0 1 ...
Страница 117: ...Service and Maintenance 5 22 4 Lift the fan by the fan cable to remove from its bay Figure 5 25 Removing the Fan ...
Страница 139: ...Service and Maintenance 5 44 4 Lift to remove the IO board from the lower case Figure 5 58 Removing the IO Board ...
Страница 147: ...Service and Maintenance 5 52 3 Lift to remove the left speaker Figure 5 70 Removing the Speakers 2 of 2 ...
Страница 151: ...Service and Maintenance 5 56 3 Lift to remove the keyboard Figure 5 76 Removing the Keyboard ...
Страница 160: ...5 65 Service and Maintenance Table 5 18 Thermal Module Screws Screw Name Screw Type Quantity M 2 0 x 3 0 4 ...
Страница 163: ...Service and Maintenance 5 68 5 Lift to remove the LCD module from the lower case Figure 5 94 Removing the LCD Module ...
Страница 170: ...5 75 Service and Maintenance 3 Lift to remove the LCD bezel Figure 5 104 Removing the LCD Bezel 3 of 3 ...
Страница 188: ...5 93 Service and Maintenance 3 Remove the main antenna from the LCD cover Figure 5 138 Removing the Main Antenna 3 of 3 ...
Страница 198: ...FRU Field Replaceable Unit List 6 6 Upper Case Assembly Figure 6 3 Upper Case Assembly Exploded Diagram 1 2 3 4 5 ...
Страница 200: ...FRU Field Replaceable Unit List 6 8 LCD Assembly Figure 6 4 LCD Assembly Exploded Diagram 1 2 3 4 5 8 9 6 7 ...
Страница 212: ...CHAPTER 7 Test Compatible Components Test Compatible Components 7 2 Microsoft Windows 7 Environment Test 7 2 ...
Страница 217: ...CHAPTER 8 Online Support Information Online Support Information 8 2 Introduction 8 2 ...
Страница 219: ......