Sony Alpha DSLR-A290 Instruction Manual page 148

The EV scale b B is flashing in the viewfinder.
• The subject is too bright or too dark for the metering range of the camera.
Viewing images
Your camera cannot play back images.
• The folder/file name has been changed on your computer (page 127).
• When an image file has been processed by a computer or when the image
file was recorded using a model other than that of your camera, playback on
your camera is not guaranteed.
• The camera is in USB mode. Delete the USB connection (page 125).
The image does not appear on the TV screen.
• Check whether the connection is correct (page 104).
Deleting/Editing images
Your camera cannot delete an image.
• Cancel the protection (page 101).
You have deleted an image by mistake.
• Once you have deleted an image, you cannot restore it. We recommend that
you protect images that you do not want to delete (page 101).
You cannot mark a DPOF mark.
• You cannot mark DPOF marks on RAW images.
Computers
You do not know if the OS of your computer is compatible with the
camera.
• Check "Recommended computer environment" (pages 121, 129).
Your computer does not recognize your camera.
• Check that the camera is turned on.
• When the battery level is low, install the charged battery pack (page 12), or
use the AC Adaptor (sold separately).
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