Acer Aspire S3 Ms2346 Service Guide

Troubleshooting4-11
Drag the slider to 50. Confirm that the volume is not muted.
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. Confirm that 
Speakers are selected as the default audio device (green check mark).
NOTE:NOTE :
If Speakers do not show, right-click on the  Playback tab and select  Show Disabled 
Devices  (clear by default).
7. Select Speakers and c lick Configure to start Speaker Setup....

4-12Troubleshooting
Microphone Failure0
If internal or external Microphones fail, perform the following, one at a time.
Figure 4-7. Microphone Failure
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). The microphone appears on the  Recording tab.
3. Right click on the microphone and select  Enable.
4. Select the microphone...

Troubleshooting4-13
USB Failure0
If the USB fails, perform the following, one at a time. Do not replace a non-defective FRU:
Figure 4-8. USB Failure 

4-14Troubleshooting
WLAN Failure0
If the WLAN fails, perform the following, one at a time. Do not replace a non-defective FRU:
Figure 4-9. WLAN Failure 

Troubleshooting4-15
Card Reader Failure0
If the Card Reader fails, perform the following, one at a time. Do not replace a non-defective 
FRU:
Figure 4-10. Card Reader Failure 

4-16Troubleshooting
Thermal Unit Failure0
If the Thermal Unit fails, perform the following, one at a ti me. Do not replace a non-defective 
FRU:
Figure 4-11. Thermal Unit Failure 

Troubleshooting4-17
Other Functions Failure0
1. Check if drives are functioning correctly.
2. Check if external modules are functioning correctly.
3. Change mainboard to check if current one is defective. 

4-18Troubleshooting
Intermittent Problems 0
Intermittent system hang problems can be caused by a variety of reasons that have nothing to 
do with a hardware def ect, such as: cosmic radiation, el ectrostatic discharge, or software 
errors. FRU replacement should be considered only when a recurring problem exists.
When analyzing an intermittent problem, perform the following:
1. Run the advanced diagnostic test for the system board in loop mode at least 10 times.
2. If no error is detected, do not replace...

Troubleshooting4-19
Error Codes0
Table 4-2. Error Codes
Error CodesError Messages
006 Equipment Configuration Error Causes:
1. CPU BIOS Update Code Mismatch
2. IDE Primary Channe l Master Drive Error
(The causes will be shown before  “Equipment Configuration Error”)
010 Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) 
070 Real Time Clock Error
071 CMOS Battery Bad
072 CMOS Checksum Error
110 System is disabled. An incorrect password was entered.
 Battery critically  low. In this situation BIOS will...

4-20Troubleshooting
BIOS Beep Codes0
Table 4-3. BIOS Beep Codes
Code BeepsPOST Routine Description
02hVerify Real Mode
03h Disable Non-Maskable Interrupt (NMI)
04h Get CPU type
06h Initialize system hardware
08h Initialize chipset with initial POST values
09h Set IN POST flag
0Ah Initialize CPU registers
0Bh Enable CPU cache
0Ch Initialize caches to initial POST values
0Eh Initialize I/O component
0Fh Initialize the local bus IDE
10h Initialize Power Management
11h Load alternate registers with initial...