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Chapter 4
Power On Issue
If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not
replace a non-defective FRUs:
Computer Shutsdown Intermittently
If the system powers off at intervals, perform the following actions one at a time to correct the problem.
1.
Check the power cable is properly connected to the computer and the electrical outlet.
2.
Remove any extension cables between the computer and the outlet.
3.
Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly
into a known good electrical outlet.
4.
Disconnect the power and open the casing to check the Thermal Unit (see “Thermal Unit Failure” on page
132) 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, see “Online Support Information” on page 167.
Содержание Aspire Z5751
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 14: ...4 Chapter 1 System Block Diagram ...
Страница 34: ...24 Chapter 1 ...
Страница 72: ...62 Chapter 3 4 Disconnect the following four cables from the Mainboard A B C D ...
Страница 85: ...Chapter 3 75 4 Using both hands lift the Thermal Module clear of the Mainboard ...
Страница 87: ...Chapter 3 77 4 Lift the CPU Fan clear of the Mainboard as shown ...
Страница 93: ...Chapter 3 83 5 Lift the LCD Panel clear of the module ...
Страница 101: ...Chapter 3 91 9 The Antennas and cables appear as shown when correctly installed ...
Страница 106: ...96 Chapter 3 2 Replace the four screws and screw caps provided ...
Страница 111: ...Chapter 3 101 5 Replace the FFC and press down as indicated to secure it to the Upper Cover ...
Страница 115: ...Chapter 3 105 2 Press down around the edges to secure it in place 3 Replace the nine screws in the Upper Cover as shown ...
Страница 116: ...106 Chapter 3 4 Replace the three screw caps as shown 5 Connect the following cables to the Mainboard A B C D ...
Страница 122: ...112 Chapter 3 17 Replace the two screws securing the LCD Module to the Lower Cover ...
Страница 130: ...120 Chapter 3 ...
Страница 154: ...144 Chapter 5 ...
Страница 156: ...146 Chapter 6 Aspire 5517 Exploded Diagrams Main Assembly 1 2 3 4 5 ...
Страница 169: ...Chapter 6 159 ...
Страница 178: ...168 Appendix C ...
Страница 182: ...172 ...