Chapter 4
150
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 149.
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 152.
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 52).
8.
If the Issue is still not resolved, see “Online Support Information” on page 191.
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Страница 10: ...X Table of Contents ...
Страница 31: ...Chapter 1 21 Pack capacity 4400 mAh Number of battery cells 6 Package configuration 3S2P Item Specification ...
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Страница 51: ...Chapter 2 41 ...
Страница 52: ...42 Chapter 2 ...
Страница 65: ...Chapter 3 55 ...
Страница 71: ...Chapter 3 61 6 Open the Keyboard FFC securing latch as shown then disconnect the FFC and remove the Keyboard ...
Страница 79: ...Chapter 3 69 ...
Страница 81: ...Chapter 3 71 5 Lift the Power Board from the Lower Cover ...
Страница 83: ...Chapter 3 73 6 Lift the right side speaker out from the Lower Cover as shown ...
Страница 89: ...Chapter 3 79 7 Disconnect the I O Board Cable from the I O Board ...
Страница 97: ...Chapter 3 87 ...
Страница 103: ...Chapter 3 93 ...
Страница 107: ...Chapter 3 97 6 Disconnect the LCD cable as shown and remove the cable from the LCD Panel ...
Страница 110: ...100 Chapter 3 ...
Страница 125: ...Chapter 3 115 3 Grasp the Thermal Module by the CPU heat sink and place onto the Mainboard as shown ...
Страница 197: ...Chapter 6 187 ...
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