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g. PC cards
4. Turn on the computer.
5. Determine whether the problem has been solved.
6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU):
a. System board
b. LCD assembly
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Summary of Contents for ThinkPad X390
Page 1: ...X390 Yoga Hardware Maintenance Manual ...
Page 6: ...iv X390 Yoga Hardware Maintenance Manual ...
Page 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
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Page 13: ...PERIGO PERIGO Chapter 1 Safety information 7 ...
Page 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO 8 X390 Yoga Hardware Maintenance Manual ...
Page 15: ...PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...
Page 16: ...DANGER DANGER DANGER DANGER VORSICHT 10 X390 Yoga Hardware Maintenance Manual ...
Page 17: ...VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...
Page 18: ...VORSICHT VORSICHT VORSICHT 12 X390 Yoga Hardware Maintenance Manual ...
Page 19: ...Chapter 1 Safety information 13 ...
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Page 21: ...Chapter 1 Safety information 15 ...
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Page 23: ...Chapter 1 Safety information 17 ...
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Page 49: ... Copyright Lenovo 2019 43 ...
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Page 57: ...Major FRUs d a b c Chapter 6 Locations 51 ...
Page 60: ...LCD FRUs 54 X390 Yoga Hardware Maintenance Manual ...
Page 101: ... 2090 Wireless antenna kit on page 91 Chapter 8 Removing or replacing a FRU 95 ...
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Page 108: ...Part Number SP40K05260 Printed in 1P P N SP40K05260 1PSP40K05260 ...