101
Chapter 4
Wireless Failure
If the wireless functionality fails, use the following flowchart to determine the required action:
Speaker Failure
If sound problems are experienced, perform the following actions one at a time to correct the problem.
1.
Reboot the computer.
2.
Navigate to
Start
´
Control
Panel
´
System
and
Maintenance
´
System
´
Device
Manager
. Check
the Device Manager to determine that:
•
The device is properly installed.
•
There are no red Xs or yellow exclamation marks.
•
There are no device conflicts.
•
No hardware is listed under Other Devices.
3.
Roll back the audio driver to the previous version, if updated recently.
4.
Remove and reinstall the audio driver.
5.
Ensure that all volume controls are set mid range:
a.
Click the volume icon on the taskbar and drag the slider to 50. Ensure that the volume is not muted.
b.
Click Mixer to verify that other audio applications are set to 50 and not muted.
6.
Navigate to
Start
´
Control
Panel
´
Hardware
and
Sound
´
Sound
. Ensure that Speakers are selected
as the default audio device (green check mark).
NOTE:
If Speakers does not show, right-click on the
Playback
tab and select
Show
Disabled
Devices
(clear by default).
7.
Select Speakers and click
Configure
to start
Speaker
Setup
. Follow the onscreen prompts to configure
the speakers.
8.
Remove and recently installed hardware or software.
START
Check WLAN
cable connection
Wirelss
function failure
Reconnect
cable correctly
Check WLAN
module
Replace
WLAN module
Close
Close
Close
OK
NG
OK
OK
NG
NG
Replace
Mainboard
OK
NG
OK
Summary of Contents for EZ1601-01 - eMachines All-in-One Desktop
Page 6: ...VI ...
Page 12: ...4 Chapter 1 System Block Diagram ...
Page 41: ...Chapter 2 33 ...
Page 52: ...Chapter 3 44 4 Remove the right leg from the assembly ...
Page 71: ...63 Chapter 3 4 Remove the WLAN Board from the Mainboard ...
Page 103: ...95 Chapter 3 ...
Page 129: ...Chapter 6 121 ...
Page 139: ...131 Appendix A ...
Page 149: ...141 Appendix B ...
Page 152: ...144 BIOS 17 27 28 W Windows 2000 Environment Test 132 WLAN Board Removing 62 Replacing 74 ...
Page 153: ...145 ...
Page 154: ...146 ...