Apple 17-INCH MID 2006 Benutzerhandbuch
iMac (17-inch (Mid 2006/Late 2006 CD) Troubleshooting — Symptom Charts
14
Built-in iSight Camera
The built-in camera is not recognized.
Boot the iMac to the desktop and launch iChat AV. Note: You do not need to be connected
to a network to use iChat AV to troubleshoot. Verify that the correct versions of Mac OS X
and iChat AV are installed. Reinstall or update software as needed.
to a network to use iChat AV to troubleshoot. Verify that the correct versions of Mac OS X
and iChat AV are installed. Reinstall or update software as needed.
Open the iChat AV preferences and click on the ‘Video’ icon. Verify whether the camera is
recognized by the iChat AV software. Is the camera recognized?
recognized by the iChat AV software. Is the camera recognized?
Yes: the camera is recognized and video preview is normal: This indicates the camera is
functioning. Pull down the ‘Video’ options from the menu bar and verify that the camera is
enabled. The camera must be enabled to function.
functioning. Pull down the ‘Video’ options from the menu bar and verify that the camera is
enabled. The camera must be enabled to function.
No: the camera is not recognized and no video preview is visible. This indicates the camera
may not be functioning properly. Open the iMac and inspect the camera board (inside the
front bezel) and the attached cable. Reseat the cable on the camera board and check the
other end of the camera cable connections to the logic board. The camera cable connectors
are on the right side of the logic board, below the optical drive and to the right of the fan.
Go on to the next step if this didn’t solve your problem.
may not be functioning properly. Open the iMac and inspect the camera board (inside the
front bezel) and the attached cable. Reseat the cable on the camera board and check the
other end of the camera cable connections to the logic board. The camera cable connectors
are on the right side of the logic board, below the optical drive and to the right of the fan.
Go on to the next step if this didn’t solve your problem.
Replace the camera board located inside the front bezel.
Replace the camera cable.
If the iSight camera still doesn’t appear in System Profiler on the USB bus after replacing the
camera board or camera cable, replace the logic board.
camera board or camera cable, replace the logic board.
Camera recognized but no video.
Verify that the lens assembly for the iSight camera located in the top middle of the front
bezel is not obstructed by anything including Post-It notes or other objects.
Replace the camera board in the front bezel and retest.
Replace the camera board in the front bezel and retest.
Camera image quality poor.
The built-in camera is recognized by iChat AV and other supported video applications however
the image quality is poor.
Verify that the lens assembly for the iSight camera is clean. Fingerprints and other
contaminants can affect image quality. Clean the lens using a lint free lens cleaning cloth
being while being careful not to scratch the lens.
contaminants can affect image quality. Clean the lens using a lint free lens cleaning cloth
being while being careful not to scratch the lens.
Verify that there is sufficient lighting to produce a good quality image. Lighting which is
comparable to that found in a well lit office will product a good quality image. If possible,
avoid having a brightly lit background. Diffused lighting is preferred over direct lighting.
Launch iChat AV and open the iChat AV preferences. Click on the ‘Video’ tab. Is the video
comparable to that found in a well lit office will product a good quality image. If possible,
avoid having a brightly lit background. Diffused lighting is preferred over direct lighting.
Launch iChat AV and open the iChat AV preferences. Click on the ‘Video’ tab. Is the video
quality acceptable?
Yes: The camera is functioning normally. The image quality problems may be caused by
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