Hello missscotia, I have the same laptop and have searched everywhere for the solution to this problem for quite some time, and have finally come up with a working solution. This has been verified to work on Windows 7 64-bit. These files are actually for the Dell Inspiron 1440 laptop (which my fiancee has) but the camera is the same in both the 1750 and 1440. The files you will need are as follows. You will need both files in order to install the webcam. You can find them by searching for them on Google: (R216115) R216115.exe - Webcam Drivers (R230103) DellSX2210-MonitorWebcam SW RC1.1 R230103.exe - Webcam Central I truly hope this works as well for you as it did for me!
Windows 7: If you encounter error 52 'Windows cannot verify the digital signature for the drivers required for this device.' , your Windows must be updated with. Windows 7 Forums is the largest help and support community, providing friendly help and advice for Microsoft Windows 7 Computers such as Dell, HP, Acer, Asus or a custom build. I installed Windows 7 to a friend of mine, but her incorporated webcam doesn't work.
The first thing to do is make sure your video recording environment has good lighting. Next, adjust the image quality using the adjustments available from the webcam software. Most webcam software allows you to adjust quality settings for contrast, colors and brightness. To resolve problems with choppy playback, reduce the size of the video image from the software settings, use a high speed Internet connection (for Instant messaging), and do not use other high speed USB devices at the same time you are using the webcam.
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