136
Chapter 4
Power On Issue
If the system doesn’t power on, perform the following actions one at a time to correct the problem. Do not
replace a non-defective FRUs:
Computer Shuts Down Intermittently
If the system powers off at intervals, perform the following actions one at a time to correct the problem.
1.
Check the power cable is properly connected to the computer and the electrical outlet.
2.
Remove any extension cables between the computer and the outlet.
3.
Remove any surge protectors between the computer and the electrical outlet. Plug the computer directly
into a known good electrical outlet.
4.
Remove all external and non-essential hardware connected to the computer that are not necessary to
boot the computer to the failure point.
5.
Remove any recently installed software.
6.
If the Issue is still not resolved, see “Online Support Information” on page 185.
St
a
rt
Check
A
C/B
a
ttery
po
w
er on
Check D
a
ughter/B
a
nd FFC
S
wa
p
A
C/B
a
ttery
S
wa
p D
a
ughter/B
Re-plug PWR FFC
S
wa
p M
a
inbo
a
rd
OK
NG
NG
OK
OK
Summary of Contents for NV42 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 34: ...24 Chapter 1 ...
Page 51: ...Chapter 2 41 ...
Page 52: ...42 Chapter 2 ...
Page 76: ...66 Chapter 3 7 Lift the Upper Cover clear of the computer as shown ...
Page 78: ...68 Chapter 3 ...
Page 80: ...70 Chapter 3 7 Lift the Speaker Modules clear of the Upper Cover ...
Page 85: ...Chapter 3 75 5 Disconnect the Bluetooth cable from the module ...
Page 87: ...Chapter 3 77 4 Turn the USB Board over and disconnect the USB cable from the board ...
Page 98: ...88 Chapter 3 4 Remove the LCD Panel rear edge first Place it on a clean surface ...
Page 144: ...134 Chapter 3 ...
Page 175: ...Chapter 6 165 ...
Page 178: ...Appendix A 168 ...
Page 196: ...186 Appendix C ...
Page 200: ...190 ...