Troubleshooting
4-11
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 click Configure to start
Speaker Setup
. Follow the on-screen
prompts to configure the speakers.
8.
Remove any recently installed hardware or software.
9.
Restore system and file settings from a known good date using
System Restore
.
10. If the issue is remains, repeat step 9, selecting an earlier time and date.
11. Reinstall the Operating System.
12. If the Issue is still not resolved, refer to
Online Support Information
.
Содержание Aspire 4743Z
Страница 1: ...Aspire 4743 4743G 4743Z 4743ZG SERVICEGUIDE...
Страница 10: ...10...
Страница 11: ...CHAPTER 1 Hardware Specifications...
Страница 14: ...1 4...
Страница 32: ...1 22 Hardware Specifications and Configurations System Block Diagram Figure 1 10 System Block Diagram...
Страница 50: ...1 40 Hardware Specifications and Configurations...
Страница 51: ...CHAPTER 2 System Utilities...
Страница 70: ...2 20 System Utilities...
Страница 71: ...CHAPTER 3 Machine Maintenance...
Страница 74: ...3 4...
Страница 82: ...3 12 Machine Maintenance 4 Lift the base door to remove Figure 3 9 Base Door...
Страница 85: ...Machine Maintenance 3 15 6 Detach the bracket from the HDD Figure 3 14 HDD Bracket...
Страница 87: ...Machine Maintenance 3 17 4 Pull the WLAN module out of the slot Figure 3 17 WLAN Module...
Страница 95: ...Machine Maintenance 3 25 8 Open the connector latch then detach cable to remove keyboard Figure 3 30 Keyboard...
Страница 100: ...3 30 Machine Maintenance 6 Lift the speakers from the upper cover Figure 3 40 Speaker Cable...
Страница 106: ...3 36 Machine Maintenance 4 Lift the USB board from the lower cover Figure 3 50 USB Board...
Страница 113: ...Machine Maintenance 3 43 4 Remove the thermal module from the mainboard Figure 3 62 Thermal Module Screws...
Страница 136: ...3 66 Machine Maintenance 3 Secure the bezel with the two 2 screw covers Figure 3 102 LCD Bezel Screw Covers...
Страница 151: ...Machine Maintenance 3 81 3 Connect and lock the touchpad cable to the touchpad board Figure 3 128 Touchpad Cable...
Страница 156: ...3 86 Machine Maintenance 5 Connect the speaker cable to the power button board Figure 3 137 Speaker Cable...
Страница 172: ...3 102 Machine Maintenance Remove the Dummy Card 0 1 Insert the dummy card into the slot until it clicks into place...
Страница 174: ...3 104 Machine Maintenance...
Страница 175: ...CHAPTER 4 Troubleshooting...
Страница 207: ...CHAPTER 5 Jumper and Connector Locations...
Страница 208: ...2 2 Clearing Password Check and BIOS Recovery 5 5 Clearing Password Check 5 5 Performing a BIOS recovery 5 6...
Страница 215: ...CHAPTER 6 FRU List...
Страница 216: ...6 2 Aspire 4743 4743G 4743Z 4743ZG Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 5...
Страница 234: ...6 20 FRU List...
Страница 235: ...CHAPTER 7 Model Definition and Configuration...
Страница 236: ...7 2 Aspire 4743 4743G 4743Z 4743ZG 7 3...
Страница 270: ...7 36 Model Definition and Configuration...
Страница 338: ...7 104 Model Definition and Configuration...
Страница 339: ...CHAPTER 8 Test Compatible Components...
Страница 340: ...8 2 Microsoft Windows 7 Environment Test 8 4...
Страница 351: ...CHAPTER 9 Online Support Information...
Страница 352: ...9 2 Introduction 9 3...
Страница 354: ...9 4 Online Support Information...