155
Chapter 4
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 184.
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 184.
Microphone Problems
If 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 184.
Summary of Contents for ZX4830 Series
Page 6: ...VI Laptopblue...
Page 10: ...X Table of Contents Laptopblue...
Page 47: ...Chapter 2 37 Laptopblue...
Page 53: ...43 Chapter 3 4 Lift the ODD bezel away 5 Close the ODD assembly Laptopblue...
Page 57: ...47 Chapter 3 5 Forcefully pry the rear cover from the assembly i ii iii iv Laptopblue...
Page 59: ...49 Chapter 3 4 Disconnect the audio cable from the audio board Laptopblue...
Page 62: ...Chapter 3 52 7 Remove the HDD module from the bracket Laptopblue...
Page 74: ...Chapter 3 64 15 Lift the mainboard shielding away from the chassis Laptopblue...
Page 76: ...Chapter 3 66 4 Lift the WLAN module away Laptopblue...
Page 82: ...Chapter 3 72 4 Remove the fan Laptopblue...
Page 87: ...77 Chapter 3 4 Remove the cables from the guide clips Laptopblue...
Page 97: ...87 Chapter 3 4 Lift the power board away from the bezel Laptopblue...
Page 100: ...Chapter 3 90 4 Disconnect the webcam cable Laptopblue...
Page 121: ...111 Chapter 3 13 Connect the LVDS cable 14 Adhere the LVDC cable protective cover Laptopblue...
Page 138: ...Chapter 3 128 4 Connect the left and right touchscreen sensor cable connectors Laptopblue...
Page 143: ...133 Chapter 3 4 Connect the two 2 LCD to inverter board cables 1 and 2 1 2 Laptopblue...
Page 155: ...145 Chapter 3 4 Close the ODD Laptopblue...
Page 193: ...183 Appendix B Laptopblue...
Page 196: ...186 Laptopblue...
Page 197: ...187 Laptopblue...
Page 198: ...188 Laptopblue...
