What about the camera black screen?

Laptop built-in camera black screen or unavailable solution

1, uninstall your original driver

Uninstall method: Right click on "My Computer"-"Properties"-"Hardware"-"Device Manager" or press CTRL+F1 directly, and then open the "Universal Serial Bus Controller", the following "USB Root Hub" are removed.

There is also open "Add Remove Program" in Control Panel there is no camera application such as vm301 program uninstall off.

2, and then reboot, reboot will find new hardware, then do not choose automatic installation, and then click "Next", and then "search floppy disk, CD ROM" hook, and other hooks are removed altogether. And put on the disc, do not install the drive from the CD. Let the system automatically search (WWW.PC841.COM). This will allow the installation to succeed.

Driver is not easy to install cause or drive update process is difficult to install. Currently there is a cloning operation system, which integrates the old version of the star and through the WHQL drive, when the user installs the newly bought camera or update the latest driver, the camera does not work properly.

Method One, automatic unload method

Step one, click on the Start menu of the corresponding drive uninstall uninstall, (it is possible that the uninstall function has been damaged, then you can install a new driver for the reverse installation, the system will first uninstall the old drive, the same can be achieved. )

In step two, select the following corresponding executable file in the attachment before the new driver installation: For_xp_me_98.exe for Windows xp/me/98 for_win2k.exe for Windows 2000

(Note: This tool requires the system's default path to be C-disk to be valid, and if an error dialog box appears under the Windows ME/98 operating system that the system is clean, the tool will not harm an already installed drive)

Step three, install the new driver.

Method two, manual uninstall method

Step one, in My Computer-tools-Folder Options-View the hidden files and folders are selected to show all files and folders. Then go to the C:windowsinf folder to have all OEM files (such as oem0.inf,oem0.pnf;oem1.inf,oem1.pnf ...) Cut and move to another directory to save or manually delete the corresponding OEM file for the camera

Step two, after completing the above steps, insert the USB camera, when the computer will find new hardware and pop-up installation drive information, choose to cancel, and then right-click My Computer, select Properties, in the pop-up System Properties interface, enter the system Properties-hardware-Device Manager will have an exclamation point of the PC Camera Press the right mouse button to uninstall.

Step three, remove the camera and start installing a new driver.

To solve the second phenomenon:

Step one, the cloning operation system is the camera driver default storage under the C:windowsdrivercamera301p folder, when you click on the new camera driver CD installation, the system will not be prompted that there is a camera driver. To uninstall this drive, please find and delete this folder;

Step two, the first installation of a new camera driver, and then plug in the camera loading hardware, after the installation of the computer can be normal use after restarting;

Step three, do not need to repeat the above two steps, directly click on the new CD to install the latest drive, plug in the camera after the system detects new hardware, and automatically complete the hardware drive load;

Step four, into the Device Manager, you can see the image processing equipment has been successfully installed, but when you open the "AMCap" preview image will appear unable to preview, screen, black screen phenomenon;

Step five, put the right mouse button in the image processing device "Vimicro USB PC Camera (ZC0301PL)" Update the Driver, the dialog box to select "From the list or designated as the location of the installation;"

Step six, select "Do not search" after choosing next and go to the "Install from floppy" interface.

Step Seven: Click Browse to point the path to the "Usbvm31b.inf" below the drive CD directory or the latest driver directory

Step 8:1 and click "Next" to complete the drive installation.

Win7 camera doesn't work.

The camera is available under Windows XP, but cannot be used after switching to a Windows 7 system, the camera itself is a drive-free product, although it cannot be used but the device is found in the system. What's the reason?

The driver-free camera, which has a chip in it, has been integrated into the Windows driver. If your camera doesn't have an integrated Windows 7 driver, your camera won't work. Windows 2000/xp/vista driver and cannot be used in Windows 7. The workaround is as follows:

Ask the manufacturer for the latest camera chip firmware, and if the latest firmware program supports Windows 7, you can fix it by just upgrading the camera chip firmware.

Computer cameras don't work.

This behavior may have two reasons, one is that your camera driver is not installed correctly, the other is your USB interface has a hardware failure. Windows Xp/vista,windows 7 's operating system already has a majority of camera drivers built into it, but as product technology advances, some newer cameras may have to reinstall their own drivers to work properly. Therefore, it is recommended that you first install the camera package you purchased with the driver, see if you can solve the problem.

If there is no problem with the driver, the USB interface may be faulty. First of all, you will change the camera to a USB slot to see if the normal use, if the other slots can be used to indicate that your original USB slot problem, if not, it may be your camera USB interface problems, recommend to repair or replacement.

Camera QQ can not be used

First, open any dialog box. Find the top of the dialog box, the other nickname and a row of buttons under the signature.

Click the arrow in the image above. Remember, it's an arrow, not an icon (the arrow is actually an option). When you open it, you will receive such a key surface.

Locate the vertical text on the right side of the image above. Find two options for selecting the option below the text "Please select your video device" (Only one image and only option available), which is: "Disable", "USB Video Device".

Switch to "USB Video device" to show the image, click OK. If it's still dark. You can point to "quality control" to change the quality of the image, or to the Device Manager to see if the video device is disabled or not have a problem with the driver.