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Chapter 4
164
General Troubleshooting Issues
Computer Shutsdown 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.
Disconnect the power and open the casing to check the Thermal Unit and fan airways are free of
obstructions.
5.
Remove all external and non-essential hardware connected to the computer that are not necessary to
boot the computer to the failure point.
6.
Remove any recently installed software.
7.
If the Issue is still not resolved, see “Online Support Information” on page 192.
Random Loss of BIOS Settings
If the computer is experiencing intermittent loss of BIOS information, perform the following actions one at a
time to correct the problem.
1.
If the computer is more than one year old, replace the CMOS battery.
2.
Run a complete virus scan using up-to-date software to ensure the computer is virus free.
3.
If the computer is experiencing HDD or ODD BIOS information loss, disconnect and reconnect the power
and data cables between devices.
If the BIOS settings are still lost, replace the cables.
4.
If HDD information is missing from the BIOS, the drive may be defective and should be replaced.
5.
Replace the Motherboard.
6.
If the Issue is still not resolved, see “Online Support Information” on page 192.
Microphone Problems
If internal or external
Microphones
do no operate correctly, perform the following actions one at a time to
correct the problem.
1.
Check that the microphone is enabled. Navigate to
Start
Control
Panel
Hardware
and
Sound
Sound
and select the
Recording
tab.
2.
Right-click on the
Recording
tab and select
Show
Disabled
Devices
(clear by default).
3.
The microphone appears on the
Recording
tab.
4.
Right-click on the microphone and select
Enable
.
5.
Select the microphone then click
Properties
. Select the
Levels
tab.
6.
Increase the volume to the maximum setting and click
OK
.
7.
Test the microphone hardware:
a.
Select the microphone and click
Configure
.
b.
Select
Set up microphone
.
c.
Select the microphone type from the list and click
Next
.
d.
Follow the onscreen prompts to complete the test.
8.
If the Issue is still not resolved, see “Online Support Information” on page 192.
Содержание Z5700 Series
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 32: ...22 Chapter 1 ...
Страница 55: ...45 Chapter 3 5 Lift the Hinge Cover clear of the device ...
Страница 64: ...Chapter 3 54 11 Lift the mainboard shielding away from the chassis ...
Страница 67: ...57 Chapter 3 7 Remove the brackets from the HDD ...
Страница 71: ...61 Chapter 3 7 Lift the touchscreen board away ...
Страница 74: ...Chapter 3 64 4 Lift the audio board and cable away at an angle from the rear cover ...
Страница 76: ...Chapter 3 66 4 Remove the ODD Eject Board ...
Страница 82: ...Chapter 3 72 8 Remove the Inverter Board ...
Страница 84: ...Chapter 3 74 4 Remove the Home Button Board from the chassis ...
Страница 86: ...Chapter 3 76 4 Turn the Camera Module over 5 Disconnect the cable from the Camera Module ...
Страница 88: ...Chapter 3 78 4 Lift the TV module away ...
Страница 90: ...Chapter 3 80 4 Lift the WLAN module away ...
Страница 100: ...Chapter 3 90 8 Unlock the LVDS cable 9 Remove the LVDS cable ...
Страница 101: ...91 Chapter 3 10 Remove the adhesive tape from the sensor cables 11 Remove the two 2 sensor connectors ...
Страница 103: ...93 Chapter 3 14 Remove the thirteen 13 screws Step Size Quantity Screw Type Frame M2 5 4 13 ...
Страница 109: ...99 Chapter 3 4 Remove the home button board from the bezel ...
Страница 112: ...Chapter 3 102 4 Remove the USB board from the chassis ...
Страница 118: ...Chapter 3 108 Replacing the IR Board 1 Place the IR board into the LCD bezel 2 Apply pressure to set the adhesive ...
Страница 122: ...Chapter 3 112 3 Replace the four 4 screws from the LCD assembly Step Size Quantity Screw Type LCD Panel M3 4 4 ...
Страница 141: ...131 Chapter 3 7 Apply the adhesive tape to secure the Inverter Board cable 1 ...
Страница 160: ...Chapter 3 150 3 Replace the six 6 screws to secure the Rear Covers Step Size Quantity Screw Type Rear Covers M2 5 6 0 6 ...
Страница 163: ...153 Chapter 3 4 Slide the RAM Cover into place ...
Страница 184: ...Chapter 4 174 ...
Страница 198: ...Appendix A 188 Model Definition and Configuration Appendix A ...
Страница 199: ...189 Appendix A ...
Страница 201: ...191 Appendix B ...
Страница 204: ...194 ...
Страница 205: ...195 ...
Страница 206: ...196 ...