I've had a similar problem with a Sony HC42 camcorder with my Windows XP Dell. After three years of connecting it to my Dell via firewire, a month ago Windows XP quit recognizing the camcorder. On the device manager, there was a yellow mark by the camera's item as unknown. After long searches, including following everything on this page, nothing worked. USB2 cannot transfer full quality video. That's why Windows can't transfer movies uncompressed via USB2.
But the other day I found a solution that worked. I don't know if it will work on Vista as that seems to be another issue. And it may not solve similar problems on other PCs. It was by uninstalling my firewire driver and letting Windows automatically reinstall it.
Here are the steps that worked for Windows XP:
1. Right click on My Computer desktop icon and choose Properties.
2. Click Hardware tab and then Device Manager.
3. On the list that comes up, expand IEEE 1394 Bus host controllers (or a similar IEEE 1394 listing for firewire).
4. Right click on OHCI Compliant IEEE 1394 Host Controller and choose uninstall.
5. Restart Windows and let all systems load first.
6. Connect the camcorder via firewire.
Windows XP should auto detect the firewire card and reinstall it. Then Windows will be able to recognize the camera. Hope that helps you.
Fri, 02 May 2008 03:30:17 +0000
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