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Chapter 4
162
LCD Failure
If the integrated LCD display fails, use the following flowchart to determine the required action:
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 the computer has power by checking at least one of the following occurs:
•
Fans start up
•
Status LEDs light up
2.
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.
3.
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.
4.
Reseat the memory modules.
5.
Remove the drives (see “Disassembly Process” on page 42).
6.
If the Issue is still not resolved, see “Online Support Information” on page 192.
START
Check LCD
cable connected
Check LCD
cable is good
Check LCD
module is good
Reconnect
LCD cable
Replace LCD
cable
Replace LCD
module
Replace
Mainboard
Close
Close
Close
Close
OK
OK
OK
OK
OK
OK
NG
NG
NG
NG
Summary of Contents for Z5700 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 32: ...22 Chapter 1 ...
Page 55: ...45 Chapter 3 5 Lift the Hinge Cover clear of the device ...
Page 64: ...Chapter 3 54 11 Lift the mainboard shielding away from the chassis ...
Page 67: ...57 Chapter 3 7 Remove the brackets from the HDD ...
Page 71: ...61 Chapter 3 7 Lift the touchscreen board away ...
Page 74: ...Chapter 3 64 4 Lift the audio board and cable away at an angle from the rear cover ...
Page 76: ...Chapter 3 66 4 Remove the ODD Eject Board ...
Page 82: ...Chapter 3 72 8 Remove the Inverter Board ...
Page 84: ...Chapter 3 74 4 Remove the Home Button Board from the chassis ...
Page 86: ...Chapter 3 76 4 Turn the Camera Module over 5 Disconnect the cable from the Camera Module ...
Page 88: ...Chapter 3 78 4 Lift the TV module away ...
Page 90: ...Chapter 3 80 4 Lift the WLAN module away ...
Page 100: ...Chapter 3 90 8 Unlock the LVDS cable 9 Remove the LVDS cable ...
Page 103: ...93 Chapter 3 14 Remove the thirteen 13 screws Step Size Quantity Screw Type Frame M2 5 4 13 ...
Page 109: ...99 Chapter 3 4 Remove the home button board from the bezel ...
Page 112: ...Chapter 3 102 4 Remove the USB board from the chassis ...
Page 141: ...131 Chapter 3 7 Apply the adhesive tape to secure the Inverter Board cable 1 ...
Page 163: ...153 Chapter 3 4 Slide the RAM Cover into place ...
Page 184: ...Chapter 4 174 ...
Page 198: ...Appendix A 188 Model Definition and Configuration Appendix A ...
Page 199: ...189 Appendix A ...
Page 201: ...191 Appendix B ...
Page 204: ...194 ...
Page 205: ...195 ...
Page 206: ...196 ...