Remember what software you recently installed. Try disable the internet protection, example if you are using macafee disable the macafee network agent will resolve your problem. Originally Posted by Qdos. To resolve this problem, close the media player, and then open it, or restart the computer after each time you unplug a USB audio device. Try plugging into a different USB port. I just install windows Even with some tweak the driver installed successfully but no sound at all.

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Device Not Listed – If the device is not listed at all, continue to the next section; USB device not detected by the system.

I have tested with c using windows 7 home premium versionit seems that the audio detected but no sound come out. I think reactivating windows will not solve your problems, how about try to install different version of windows, win 7 professional, ultimate etc.

Compaq Presario C Windows 7 Drivers

Black March 25, at 6: Hi Jam, Have you tried updating the driver via device manager, perhaps letting windows search for the driver. Waqasyaqub October 23, at 8: Sometimes windows mistakenly detect the device as unknown device etc. Find More Posts by SillyMan. If the device is found under Universal Serial Bus controllers or Other Devicesclick the reference name for the “unknown” device, and then click Uninstall icon to remove the device.


The only way I can connect to internet using this laptop is by putting it on a safe mode and restoring system to a specified date wherein internet connection is made. Anonymous March 24, at 5: Card reader c for windows 7: Anonymous February presariio, at 5: Anonymous August 9, at 9: See if it works.

This is Orlando and I own a C laptop, C to be specific. I had Windows 7 Home Premium 64 bit installed on here, but decided to reformat my hard drive using Windows 7 Ultimate 64 bit. Unknown Device – If the device displays as compq unknown device, check the following items:.

Page 1 of 2. Black-x April 18, at 5: Anonymous February 20, uhknown 5: Hi Black X Thanks for your reply and I follow the way you said to set speakers as default but at that stage, that set as default option is not working, I can’t use it.

Black March 29, at 3: Right click on any list there and select scan for hardware changes. Black August 20, at When you have finished working with the files on a memory card, right-click the memory card icon and select Eject.


Ok, lets try to reinstall the audio driver, install the audio according to the method i posted at the post above. You hear no audio playback after you unplug a USB audio device When a USB audio device is unplugged, such as headphones or a microphone, no audio playback from the speakers is heard.

HP and Compaq Desktop PCs – Troubleshooting USB Connections (Windows Vista)

In cases where the installation of a multifunction device has failed, it may be necessary to download and use a forced uninstall tool from the manufacturer’s web site. This post is perfect! Black-x May 17, at 5: Use the memory card as you would use any other drive on the computer. If anything goes wrong perform system restore. Hey guys my c notebook has got an error.

The device should re-appear in the list.