Chapter 4
153
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 152.
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 155.
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 58).
8.
If the Issue is still not resolved, see “Online Support Information” on page 209.
Содержание Aspire 4930 Series
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 14: ...4 Chapter 1 System Block Diagram ...
Страница 48: ...38 Chapter 1 ...
Страница 63: ...Chapter 2 53 ...
Страница 65: ...Chapter 2 55 ...
Страница 66: ...56 Chapter 2 ...
Страница 74: ...64 Chapter 3 6 Remove the HDD cover as shown 7 Remove the WLAN cover as shown ...
Страница 79: ...Chapter 3 69 5 Remove the HDD from the carrier ...
Страница 88: ...78 Chapter 3 Removing the Antenna 1 Remove the Antenna Cables from the securing pins as shown ...
Страница 91: ...Chapter 3 81 6 Place the antenna cable as shown to avoid damaging them ...
Страница 102: ...92 Chapter 3 13 Remove the Finger Print Reader board from the Upper Cover ...
Страница 104: ...94 Chapter 3 13 Remove the Launch Board from the Upper Cover ...
Страница 110: ...100 Chapter 3 13 Lift the I O Board clear of the Lower cover 14 Disconnect the I O Board cable and remove the board ...
Страница 119: ...Chapter 3 109 18 Disconnect the DC IN Cable from the Mainboard ...
Страница 121: ...Chapter 3 111 14 Lift the Thermal Module clear of the Mainboard ...
Страница 123: ...Chapter 3 113 15 Lift the CPU clear of the Mainboard ...
Страница 127: ...Chapter 3 117 14 Remove the HDMI Module as shown ...
Страница 130: ...120 Chapter 3 10 Lift up the bezel rightside first and remove it from the LCD Module ...
Страница 134: ...124 Chapter 3 11 Lift the Camera Module clear of the LCD Module ...
Страница 138: ...128 Chapter 3 12 Remove the LCD brackets by pulling away from the LCD Panel as shown ...
Страница 160: ...150 Chapter 3 ...
Страница 191: ...Chapter 6 181 ...
Страница 214: ...Appendix A 204 ...
Страница 218: ...208 Appendix B ...
Страница 220: ...210 Appendix C ...