Chapter 4
141
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 140.
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 143.
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 43).
8.
If the Issue is still not resolved, see “Online Support Information” on page 201.
Summary of Contents for TM86 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 15: ...Chapter 1 5 System Block Diagram ...
Page 62: ...52 Chapter 3 4 Remove one 1 screw from the 3G module 5 Lift the 3G card from the slot ...
Page 73: ...Chapter 3 63 3 Disconnect the following four 4 cables from the Mainboard A B C D ...
Page 78: ...68 Chapter 3 5 Lift the Right Speaker Module clear of the upper cover ...
Page 83: ...Chapter 3 73 5 Lift the card reader board clear of the device ...
Page 85: ...Chapter 3 75 5 Lift the USB board clear of the device ...
Page 92: ...82 Chapter 3 5 Carefully lift the Thermal Module clear of the Mainboard ...
Page 101: ...Chapter 3 91 5 Turn the board over and disconnect the cable ...
Page 103: ...Chapter 3 93 4 Lift the LCD Panel clear of the module ...
Page 105: ...Chapter 3 95 5 Disconnect the LVDS cable from the panel ...
Page 107: ...Chapter 3 97 5 Lift the microphone set clear of the panel ...
Page 114: ...104 Chapter 3 4 Replace six 6 securing screws three on each side of the LCD Panel brackets ...
Page 126: ...116 Chapter 3 6 Connect the LVDS cable and lock the connector 7 Connect the microphone cable ...
Page 131: ...Chapter 3 121 4 Replace the FFC and press down as indicated to secure it to the Upper Cover ...
Page 187: ...Chapter 6 177 ...
Page 188: ...Appendix A 178 Model Definition and Configuration Appendix A ...
Page 212: ...202 Appendix C ...
Page 216: ...206 ...