Acer Aspire 5755 User Manual

4-12 Troubleshooting
Microphone Failure 0
If internal or external Microphones fail, perform the following:
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 then click Properties. Select the Levels tab.
5. Increase the volume to the maximum setting and click OK.
6. Test the microphone hardware:
Select the microphone and click Configure.
Select Set up microphone.
Select the microphone type from the list and click Next.
Follow the on-screen prompts to complete the test.
7. If the Issue is still not resolved, refer to Online Support Information.
Start
OK
NG
OK
NG
Swap M/B
Check M/B Mic cable
Check MIC wire of
LCD module
Re-assemble the MIC
cable to M/B
Swap MIC wire of
LCD module
SG_JV51_HR.book Page 12 Friday, July 8, 2011 5:58 PM

Acer Aspire 5755 Specifications

General

RAM	Up to 8 GB DDR3
Display	15.6-inch HD (1366 x 768)
Graphics	Intel HD Graphics 3000 or NVIDIA GeForce GT 520M / 540M
Operating System	Windows 7 Home Premium
Battery	6-cell Li-ion
Optical Drive	DVD-Super Multi DL drive
Chipset	Intel HM65 Express
LAN	Gigabit Ethernet
Webcam	1.3MP
Processor	Intel Core i3/i5/i7
Weight	2.6 kg
Ports	3 x USB 2.0, HDMI, VGA
Wireless	Wi-Fi 802.11b/g/n
Card Reader	SD, MMC
Storage	320 GB, 500 GB, 640 GB, 750 GB HDD