Fraps wont record sound

[nameuser]

I have fraps 3.4.5 but i cant get it to record sound. i have "record sound" on but still doesnt work. i use windows XP


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Sound Devices
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Description: Realtek HD Audio output
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_14627529&REV_1002
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RtkHDAud.sys
Driver Version: 5.10.0000.6167 (English)
Driver Attributes: Final Retail
WHQL Logo'd: Yes
Date and Size: 7/28/2010 12:27:36, 6108776 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Full
Cap Flags: 0xF5F
Min/Max Sample Rate: 8000, 192000
Static/Strm HW Mix Bufs: 33, 32
Static/Strm HW 3D Bufs: 33, 32
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: Yes, Yes
I3DL2(tm) Listen/Src: Yes, Yes
Sensaura(tm) ZoomFX(tm): No
Registry: OK
Sound Test Result: Not run

---------------------
Sound Capture Devices
---------------------
Description: Realtek HD Audio Input
Default Sound Capture: Yes
Default Voice Capture: Yes
Driver Name: RtkHDAud.sys
Driver Version: 5.10.0000.6167 (English)
Driver Attributes: Final Retail
Date and Size: 7/28/2010 12:27:36, 6108776 bytes
Cap Flags: 0x41
Format Flags: 0xFFF

[Arslay]

Is, "record external imput in"? (to narrate) and is record Windows 7 (XP in your case on?)