Sound not working

I downloaded drivers from the ATI website, it says in DXDiag that I have "ATI HD" audio, but it doesn't work/

Hi,

Download everest , install on system then paste the result here:

https://ccm.net/download/download-3380-everest-corporate-edition

Thanks

Field Value
Computer
Computer Type ACPI Multiprocessor PC
Operating System Microsoft Windows XP Home Edition
OS Service Pack [ TRIAL VERSION ]
Internet Explorer 8.0.6001.18702
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name ADAM
User Name Adam Dunlop
Logon Domain [ TRIAL VERSION ]
Date / Time 2012-02-10 / 17:44

Motherboard
CPU Type DualCore AMD Athlon X2 250, 3000 MHz (15 x 200)
Motherboard Name Asus M4A78 Pro (3 PCI, 2 PCI-E x1, 1 PCI-E x16, 4 DDR2 DIMM, Audio, Video, Gigabit LAN)
Motherboard Chipset AMD 780G, AMD K10
System Memory [ TRIAL VERSION ]
BIOS Type AMI (06/18/09)
Communication Port Communications Port (COM1)

Display
Video Adapter ATI Radeon HD 4800 Series (1024 MB)
Video Adapter ATI Radeon HD 4800 Series (1024 MB)
3D Accelerator ATI Radeon HD 4850 (RV770)
Monitor BenQ G2200W (Analog) [22" LCD] (B6804573026)

Multimedia
Audio Adapter ATI Radeon HDMI @ ATI RV770 - High Definition Audio Controller
Audio Adapter VIA VT1708S @ ATI SB700 - High Definition Audio Controller

Storage
IDE Controller Standard Dual Channel PCI IDE Controller
IDE Controller Standard Dual Channel PCI IDE Controller
Disk Drive ST3500418AS (500 GB, 7200 RPM, SATA-II)
Optical Drive HL-DT-ST DVD-RAM GH22NP20 (DVD+R9:16x, DVD-R9:12x, DVD+RW:22x/8x, DVD-RW:22x/6x, DVD-RAM:12x, DVD-ROM:16x, CD:48x/32x/48x DVD+RW/DVD-RW/DVD-RAM)
SMART Hard Disks Status OK

Partitions
C: (NTFS) [ TRIAL VERSION ]
Total Size [ TRIAL VERSION ]

Input
Keyboard HID Keyboard Device
Mouse HID-compliant mouse

Network
Primary IP Address [ TRIAL VERSION ]
Primary MAC Address 00-24-8C-0E-75-24
Network Adapter Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller (192. [ TRIAL VERSION ])

Peripherals
Printer EPSON Stylus TX400 Series
USB1 Controller ATI SB700 - OHCI USB Controller
USB1 Controller ATI SB700 - OHCI USB Controller
USB1 Controller ATI SB700 - OHCI USB Controller
USB1 Controller ATI SB700 - OHCI USB Controller
USB1 Controller ATI SB700 - OHCI USB Controller
USB2 Controller ATI SB700 - EHCI USB 2.0 Controller
USB2 Controller ATI SB700 - EHCI USB 2.0 Controller
USB Device Apple iPod
USB Device USB Audio Device
USB Device USB camera
USB Device USB Composite Device
USB Device USB Composite Device
USB Device USB Human Interface Device
USB Device USB Human Interface Device
USB Device USB Human Interface Device

DMI
DMI BIOS Vendor American Megatrends Inc.
DMI BIOS Version 1203
DMI System Manufacturer System manufacturer
DMI System Product System Product Name
DMI System Version System Version
DMI System Serial Number [ TRIAL VERSION ]
DMI System UUID [ TRIAL VERSION ]
DMI Motherboard Manufacturer ASUSTeK Computer INC.
DMI Motherboard Product M4A78 PRO
DMI Motherboard Version Rev 1.xx
DMI Motherboard Serial Number [ TRIAL VERSION ]
DMI Chassis Manufacturer Chassis Manufacture
DMI Chassis Version Chassis Version
DMI Chassis Serial Number [ TRIAL VERSION ]
DMI Chassis Asset Tag [ TRIAL VERSION ]
DMI Chassis Type Desktop Case

Is that it?
Thankyou.

Hi,

Have you installed both drivers:

Audio Adapter ATI Radeon HDMI @ ATI RV770 - High Definition Audio Controller
Audio Adapter VIA VT1708S @ ATI SB700 - High Definition Audio Controller

Check well if you plugged in correct port .

Thanks

Yes, I have downloaded them, they don't work.

Thankyou.