Dell Vostro A840 Support Question
Dell Vostro A840 Support Question
Find answers below for this question about Dell Vostro A840.Need a Dell Vostro A840 manual? We have 2 online manuals for this item!
Question posted by harshilsheth7017 on August 3rd, 2012
Internal Speaker Is Not Working But I Can Attch Headfone Then Playing Song Etc
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Current Answers
Answer #1: Posted by NiranjanvijaykumarAtDell on August 3rd, 2012 3:03 AM
NiranjanvijaykumarAtDell
Member since:
May 12th, 2012 Points: 807,180
Member since:
May 12th, 2012 Points: 807,180
Hello harshilsheth7017,
I am from Dell Social Media and Community.
Please follow the link below to troubleshoot and resolve the speakers issue with your system.
http://support.dell.com/support/topics/global.aspx/support/kcs/document?docid=266424
If the diagnostics gives you an error, please associate it with the list in the Pre-Boot System Assessment (PSA) Diagnostics Error Codes link.
Let me know if you need any further assistance. I will be glad to help.
Dell-Niranjan
NiranjanAtDell
Dell Inc
Related Dell Vostro A840 Manual Pages
Setup and Quick Reference Guide - Page 9
... CONNECTOR (RJ-11)
Connects the telephone line to the computer. A
Turns on the keyboard, see Dell Technology Guide.
9
About Your Computer
CAUTION: The AC adapter works with electrical outlets worldwide. Using an incompatible cable or improperly connecting the cable to the DC power required by the computer. For more information about...
Setup and Quick Reference Guide - Page 11
... next to create airflow through the vents, which prevents the computer from overheating.
VGA CONNECTOR
Connects video devices, such as a monitor. The computer uses an internal fan to the connector indicate status and activity for wired network connections. Lets you attach a commercially available antitheft device to a network. For information on when...
Setup and Quick Reference Guide - Page 12
Battery Removal
CAUTION: Before working inside your computer, read the safety information that shipped with a compatible battery purchased from Dell.
CAUTION: Before removing or replacing the battery, turn off ...an incompatible battery may increase the risk of fire or explosion. About Your Computer
CAUTION: Do not block, push objects into, or allow dust to work with your Dell™ computer.
Setup and Quick Reference Guide - Page 15
However, power connectors and power strips vary among countries. Quick Setup
CAUTION: Before working inside your computer.
NOTE: Some devices may cause fire or equipment damage. CAUTION: The AC adapter works with your
computer, read the safety information that you follow the angle of the connector on the AC adapter to avoid damaging...
Setup and Quick Reference Guide - Page 24
...
SD/SDIO/MMC
SD/SDIO/MMC
Communications Vostro A840
Vostro A860
Modem:
Type
v.92 Data/Fax MDC Modem
v.92 Data/Fax MDC Modem
Controller
softmodem
softmodem
Interface
HDA Bus
HDA Bus
Network adapter 10/100 Ethernet LAN on system board 10/100 Ethernet LAN on system board
Wireless
internal WLAN and Bluetooth® wireless...
Setup and Quick Reference Guide - Page 25
...
Interfaces: Internal External
Vostro A840
two-channel high definition audio (Azalia)
Conexant CX20561-12Z
24-bit (analog-to-digital and digital-to-analog)
Vostro A860
two-channel high definition audio (Azalia)
Conexant CX20561-12Z
24-bit (analog-to-digital and digital-to-analog)
high-definition audio (Azalia) codec
microphone-in connector, stereo headphones/speakers connector...
Setup and Quick Reference Guide - Page 26
...)
Vostro A840
Speaker
one 4-ohm speaker
Internal speaker amplifier 2-W channel into 4 ohms
Volume controls
program menus
Display
Vostro A840
Type (active-matrix TFT) WXGA
Active area (X/Y)
303.36 x 189.6
Dimensions:
Height
206 mm (8.11 inches)
Width
320 mm (12.6 inches)
Diagonal
358.14 mm (14.1 inches)
Operating angle
0° (closed) to 165°
Vostro A860 one 4-ohm speaker...
Setup and Quick Reference Guide - Page 33
... system or the program that shipped with your computer, read the data.
The primary cache internal to commands from the electrical outlet before opening the cover. The optical drive does not respond... D D U E T O F A I L U R E - The hard drive cannot read the safety information that was running when the message appeared. CAUTION: Before working inside your computer. D A T A E R R O R -
Setup and Quick Reference Guide - Page 42
... the Dell Drivers and Utilities media. It is recommended that is known to be working inside your
computer, read the safety information that you want to test displays in... Software Problems" on page 47) and run the Dell Diagnostics before you begin. NOTICE: The Dell Diagnostics works only on Dell computers.
Start the Dell Diagnostics from your hard drive or from the start menu and press...
Setup and Quick Reference Guide - Page 44
...follow the instructions on the screen, write down the exact message.
Power Problems
CAUTION: Before working inside your
computer, read the safety information that is properly connected.
• If an error...see the Regulatory Compliance Homepage at support.dell.com).
• If a device does not work, ensure that the device is appropriate for the Windows default view, so they may help ...
Setup and Quick Reference Guide - Page 45
... COMPUTER IS NOT RESPONDING -
• Ensure that the main power cable and front panel cable are turned on.
• Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
• Ensure that the display is in the power connector on the back of the computer...
Setup and Quick Reference Guide - Page 46
... cables
• Too many devices connected to the same power strip
• Multiple power strips connected to the same electrical outlet
Memory Problems
CAUTION: Before working inside your
computer, read the safety information that resolves the problem.
• See the software documentation for minimum memory requirements. Some possible causes of interference...
Setup and Quick Reference Guide - Page 47
... at support.dell.com).
• Ensure that the memory you are using is successfully communicating with your computer. Troubleshooting
Lockups and Software Problems
CAUTION: Before working inside your
computer, read the safety information that shipped with the memory.
• Run the Dell Diagnostics (see the Regulatory Compliance Homepage at www.dell...
Setup and Quick Reference Guide - Page 51
... Manager. If you are an administrator on the computer, click Continue; Reinstalling Software
If an exclamation point is the source of your computer might not work correctly. Reinstalling Software
Drivers
Identifying Drivers
If you experience a problem with a [!]) on the device icon.
Setup and Quick Reference Guide - Page 67
... for credit.
4 Pack the equipment to you.
3 Include any accessories that belong with your Express Service Code ready when you call more efficiently.
CAUTION: Before working inside your computer, follow the safety instructions in the original (or equivalent) packing materials. You may be returned in the documentation that shipped with the...
Service Manual - Page 1
...Vostro™ A840/A860 Service Manual
Before You Begin Module Cover Memory Module Mini-Cards Center Control Cover Keyboard Display Palm Rest System Fan Processor Heat Sink Processor Hard Drive Coin-Cell Battery Optical Drive Speaker Internal...of Microsoft Corporation in this text: Dell, the DELL logo, and Vostro are either potential damage to change without the written permission of your ...
Service Manual - Page 8
... the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Back to Contents Page
Internal Card With Bluetooth®Wireless Technology
Dell™ Vostro™ A840/A860 Service Manual Removing the Bluetooth® Card Replacing the Bluetooth® Card
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. NOTICE...
Service Manual - Page 33
... Compliance Homepage at www.dell.com/regulatory_compliance. Remove the screws that secure the speaker to Contents Page
Speaker
Dell™ Vostro™ A840/A860 Service Manual Removing the Speaker Replacing the Speaker
CAUTION: Before working inside your computer, read the safety information that secure the speakers to Contents Page Follow the instructions in "Before You Begin" on the...
Service Manual - Page 34
...Page
System Board
Dell™ Vostro™ A840/A860 Service Manual Removing the System Board Replacing the System Board
Removing the System Board
CAUTION: Before working inside your computer. The system ...from the system board connectors. 11. Remove the keyboard (see Display). 7. Disconnect the system fan, speaker, RJ-11, and DC-In cables from the 3-in-1 media card slot. 3. Follow the ...
Service Manual - Page 35
1 system board screw (2) 3 speaker connector
2 DC-In connector 4 RJ-11 connector
14. For additional safety best practices information, see the Regulatory Compliance ... computer. Turn on the computer, replace all of the replacement system board.
4. Replacing the System Board
CAUTION: Before working inside your computer. Lift the system board at www.dell.com/regulatory_compliance.
1.
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