Chapter 4
125
No Display Issue
If the
Display
doesn’t work, perform the following actions one at a time to correct the problem. Do not replace
a non-defective FRUs:
No POST or Video
If the POST or video doesn’t display, perform the following actions one at a time to correct the problem.
1.
Make sure that the internal display is selected. On this notebook model, switching between the internal
display and the external display is done by pressing
Fn+F5
. Reference Product pages for specific model
procedures.
2.
Make sure the computer has power by checking at least one of the following occurs:
•
Fans start up
•
Status LEDs light up
If there is no power, see “Power On Issue” on page 124.
3.
Drain any stored power by removing the power cable and battery and holding down the power button for
10 seconds. Reconnect the power and reboot the computer.
4.
Connect an external monitor to the computer and switch between the internal display and the external
display is by pressing
Fn+F5
(on this model).
If the POST or video appears on the external display, see “LCD Failure” on page 127.
5.
Disconnect power and all external devices including port replicators or docking stations. Remove any
memory cards and CD/DVD discs. Restart the computer.
If the computer boots correctly, add the devices one by one until the failure point is discovered.
6.
Reseat the memory modules.
7.
Remove the drives (see “Disassembly Process” on page 44).
8.
If the Issue is still not resolved, see “Online Support Information” on page 185.
Summary of Contents for Aspire 7715Z Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 13: ...Chapter 1 3 System Block Diagram ...
Page 30: ...20 Chapter 1 ...
Page 52: ...42 Chapter 2 ...
Page 74: ...64 Chapter 3 4 Disconnect the following four cables from the Mainboard A B C D ...
Page 87: ...Chapter 3 77 4 Using both hands lift the Thermal Module clear of the Mainboard ...
Page 89: ...Chapter 3 79 4 Lift the CPU Fan clear of the Mainboard as shown ...
Page 95: ...Chapter 3 85 5 Lift the LCD Panel clear of the module ...
Page 103: ...Chapter 3 93 9 The Antennas and cables appear as shown when correctly installed ...
Page 108: ...98 Chapter 3 2 Replace the four screws and screw caps provided ...
Page 113: ...Chapter 3 103 5 Replace the FFC and press down as indicated to secure it to the Upper Cover ...
Page 124: ...114 Chapter 3 17 Replace the two screws securing the LCD Module to the Lower Cover ...
Page 132: ...122 Chapter 3 ...
Page 164: ...154 Chapter 6 Rear Assembly No Description Acer P N 1 HDD Cover 2 3 RAM Cover 4 5 1 2 3 4 5 ...
Page 174: ...Appendix A 164 Model Definition and Configuration Appendix A ...
Page 196: ...186 Appendix C ...
Page 200: ...190 ...