Chapter 4
129
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 128.
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 131.
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 46).
8.
If the Issue is still not resolved, see “Online Support Information” on page 209.
Summary of Contents for Aspire 5935 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 14: ...4 Chapter 1 System Block Diagram ...
Page 47: ...Chapter 2 37 ...
Page 54: ...44 Chapter 2 ...
Page 83: ...Chapter 3 73 5 Disconnect the cable from the Power Saving Board as shown ...
Page 88: ...78 Chapter 3 8 Remove the FInger Print Reader from the bracket as shown ...
Page 98: ...88 Chapter 3 4 Lift the right side Saddle clear of the Lower Cover as shown ...
Page 102: ...92 Chapter 3 5 Disconnect the cable from the Bluetooth Module ...
Page 109: ...Chapter 3 99 5 Using both hands lift the Thermal Module clear of the Mainboard ...
Page 161: ...Chapter 5 151 LS 5011P LCD Backlight Board Item Description JP1 Backlight on off Connector ...
Page 164: ...154 Chapter 5 LS 5014P VR Board Item Description SW1 VR SWITCH ...
Page 165: ...Chapter 5 155 LS 5015P Finger printer Board Item Description U2 LTT SS801U 13_LGA28 ...
Page 170: ...160 Chapter 5 LS 501AP HDMI Board Item Description U1 CH7318A BF TR_QFN48_7X7 ...
Page 183: ...Chapter 6 173 ...
Page 212: ...Appendix A 202 ...
Page 218: ...208 Appendix B ...
Page 220: ...210 Appendix C ...
Page 224: ...214 ...