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Old 02-05-2015, 01:13 PM   #2
just tryin to help
Join Date: Jul 2006
Location: Local Space/Time Continuum
Posts: 23,401

ok, let's try these options first:

Disabling non-essential Audio Devices - Vista/Windows-7/8

Windows Control-Panel > Sound > Playback & Recording tabs > rt-click in the window and select "Show Disabled Devices" and "Show Disconnected Devices" > rt-click on all unused devices and select "disable"
sounds like there might be a problem between usb devices and windows directx since unplugging the mic seems to remedy the problem. try moving the the usb audio device to a different usb port.
use this tool to check the usb bandwidth and power usage:
(also try unchecking 'allow computer to turn off this device' in power mgt tab)

To determine the USB bandwidth used by devices connected to the USB host

1. When the problem is occurring, click Start > Control Panel > System >
Device manager > Universal Serial Bus Controllers > "+" next to Universal
Serial Bus Controllers.

2. Double-click one of the listed USB universal host controllers. (Each line
in the list refers to a separate USB port on the host controller.)

3. In the dialog box that appears, click the Advanced tab and check the
Bandwidth Used.

4. The amount of bus bandwidth a device uses appears as a percentage of all
available bandwidth from the USB host controller while the device is being
used. In some cases, the system may also reserve a small amount of
bandwidth, so you'll notice that small percentage is reserved even if the
device is not being used.

You should attach the devices that consume the most bandwidth to a separate
USB host controller's hub, or remove a device from the bus so that the
remaining devices have more available data transmission bandwidth.

check for this:

Steam Games - Microphone input switches when launching a game

can you post the following plz:


Start > Run

Click the 'Save All' button
File is saved to the desktop as "DxDiag.txt"
Copy/paste the information (up to, and including, the [PS/2 Devices] section) to the forum. The information might have to be separated into multiple posts due to the maximum character limitation.
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