Question about BenQ DC C500 Digital Camera

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I have problem when it work as webcam for montioring

I try to use it in c# code for object detection ( this code was work with out
problem in acer cl3500 digital webcam ) the problem appear
in ( cannt read or write insance objects in protected memory )?

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I have problem when it work as webcam for pc iwant software

Posted on Oct 01, 2008

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Posted on Jan 02, 2017

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Hi. I have an acer aspire 8735G, and the camera was not working properly. I uninstalled the drivers from device manager. Then tried reinstalling the driver back (from acer website) and the following...


sorry to say this dude......your acer crytal eye webcam hardware failed....
"feel free to ask regarding further issues...am here to guide u based on computers"

Aug 21, 2011 | Cameras

1 Answer

I am having acer laptop with webcam,and i want to take pictures using the camera..please explain


In your start menu under all programs, is there a program called acer crystal eye or crystal eye? this is the webcam software. if you dont have it go here to download: http://download.cnet.com/Acer-Crystal-Eye-webcam/3000-2108_4-188685.html


You can also go to sites like cameroid.com to take pictures with your webcam without downloading anything,
Hope this helps!

Mar 14, 2011 | Cameras

1 Answer

I have no idea what to download to get my webcam to work?


You will need to download the camera/webcam driver to be installed into the PC so as to detect and install the webcam.
So log on to the official site of the webcam to download the driver.

Feb 05, 2011 | Cameras

1 Answer

Can't figure out how to install a webcam


Some webcams come with software, and some don't. Sometimes, the ones that don't require software say "driverless" on them, to reassure you that the CD isn't missing. Effectively, it means that the drivers built in to windows work just fine.

Anyhow, if your webcam came with software, install it. That's the first step. Just in case, leave the CD in the drive.

Now plug the webcam into a USB slot. Windows should detect it, and start installing it. If it asks where to look for software, choose the CD.

When the installation is finished, it may not be obvious that it's working. Go to your control panel, and look under Cameras and scanners. It should be listed there. If it is, congratulations! It's working, now try an app that uses it such as Skype. If it's not listed, then it's not working, post back for more help, and include the part number of the webcam.

Jan 30, 2011 | Cameras

1 Answer

My web cam always worked without a problem and now when i plug it in to the USB drive it doesn't even register that it is hooked up....help!


There isn't really anything about a webcam that you can 'fix' - either it works, or it doesn't. However, before throwing it out, I would definitely try it in a different computer first.

Basic webcams work with Windows XP and up with no need for special software; if you plug one in, it should be detected and appear in "My Computer".

Trying the webcam in another computer will cover the possibility that your USB port has failed, or that the power has been turned off.

Oh... one last faint possibility: did you just add some new USB device? If there's a power limitation, your computer may have refused to spare some milliamps for the camera. Try unplugging any USB device you don't need, for a test run, just to be sure.

Jan 19, 2011 | Cameras

1 Answer

I cant focus my a4 tech webcam pk-335mb


All webcams have a ring around the lens. If you rotate this ring then you would be able to focus on to an object. Try rotating it both clock and anti clock wise to focus.

Dec 28, 2010 | Cameras

1 Answer

LCD montior not on to see picture before taking picture


On the EVOLT E-300 it is not a camera that has a live view LCD screen that will allow you to see the image before it is taken. You must take the image with viewfinder only and only use the LCD screen for review purposes. This is how the camera was designed.

Mar 15, 2009 | Olympus EVOLT E-300 (Double Lens Kit)...

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