Sound card not working?

[MR ZenWiz]

I'm running Xubuntu 14.04 on an AMD/MSI base where the m/b sound recently
just went dead.  i played with all the audio controls in the pulseaudio gui
and got nothing.  The only help was to play sound through my DVI monitor
speakers, which suck, and then to plug my (new) speaker set into the
monitor headphones jack, which works, but see below.

This is a pathetic substitute for real sound from the cards in the computer
(mobo built-in and, now, this add]in).

I bought a Creative Labs Sound Blaster Audigy SE card (after getting new
speakers which it turns out I don't need) and installed in in the mobo.

I still get no sound other than through the monitor.

I have lots of new devices in the pulseaudio volume control configuration
tab, but none of them produces a shred of sound.

I googled for potential solutions and nothing seems to fit or work.

$ lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] RS880 Host Bridge
00:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] RS780 PCI to PCI
bridge (ext gfx port 0)
00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] RS780/RS880 PCI to
PCI bridge (PCIE port 1)
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode]
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:12.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB
OHCI1 Controller
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB
OHCI1 Controller
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus
Controller (rev 3c)
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 IDE Controller
*00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia
(Intel HDA)*
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 LPC host controller
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI
Bridge
00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor HyperTransport Configuration
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor Address Map
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor Miscellaneous Control
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor Link Control
01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 8400
GS Rev. 3] (rev a2)
*01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller
(rev a1)*
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 03)

I'm not sure which one, if either, is the new card, which is the onboard
audio and which is the DVI (monitor).

What do I need to get the system to recognize and use the new sound card?

Thanks.
MR
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