Nikon 990 User Manual
Page 101
T
echnical Notes:
T
roub
leshooting
101
Problem
Possible cause
Photos not in
focus
• Subject not in focus area
• AF lamp flickers: camera unable to
focus
• Manual focus distance does not
match distance to subject
Problem
Possible cause
Computer can
not read files
on memory
card
• Card not correctly inserted in
card reader or adapter, or adapter
not correctly inserted in computer
• ATA RAM-drivers not installed on
computer running Windows 3.1
• Application does not support
JPEG, TIFF, or QuickTime formats
Nikon View
displays com-
munication
error
• Camera not correctly connected
to computer
Television does
not mirror
image in LCD
monitor
• Camera not properly connected
• Television not tuned to video
channel
• Video Mode setting does not
match television video standard
Photos can not
be played back
• Photos have been overwritten or
renamed by computer
Flash does not
fire
• Flash is set to
(“flash cancel”)
• Internal flash set to “off” in M-REC
SPEEDLIGHT OPT > Speedlight
Cntrl sub-menu
• Battery level is low
• Focus mode is set to
(infinity)
• Camera is set to Continuous,
Multi-shot 16, VGA Sequence,
Ultra HS, or Movie
• Best-shot selection (BSS) is on
• Setting other than Normal is
selected in LENS sub-menu
• EXPOSURE OPTIONS >
AE-Lock option is on