Sony PSP Go 4-152-678-11 Instruction Manual page 44

The volume does not turn up.
If (Sound Settings)

maximum volume level is restricted.
When video is set to output to a TV, use the TV's volume

controls to adjust the volume. The volume cannot be
changed using the PSP
The headphones do not emit sound or the sound contains
noise.
Check that the headphones are fully inserted.

The PSP system's internal microphone does not pick up
®
sound.
When a headset (sold separately) is connected, the PSP

system receives sound through the headset's microphone.
The internal microphone is not used.
Memory Stick Micro
The Memory Stick Micro
Set the Memory Stick Micro

when inserting (
 Check that media of a type that can be used with this model
of the PSP system is inserted. For details, see "Compatible
®
media"( page 57).

Before requesting service
[AVLS] is set to [On], the
system's volume buttons.
®
™
media cannot be inserted.
™
media in the proper direction
™
page 19).
The system does not recognize the Memory Stick Micro
media.
If Memory Stick Micro

may not be recognized by the PSP
copy any data you want to keep on the PC, and then go to
(System Settings)
reformat the media.
Check that the Memory Stick Micro

inserted. Try taking out the Memory Stick Micro
and reinserting it.
The system can't save or load data.
 There may be a problem with the Memory Stick Micro
media. Try using another Memory Stick Micro
available.
®
Video
Videos do not play.
Some types of data may not be able to be played.

The system does not recognize a video file.
Video data of types that are not compatible with the PSP

system will not be recognized.
 If the file name or folder name is changed, or if the file or
folder is moved to another location using a PC, the system
may not recognize it.
media is formatted using a PC, it
™
system. If this happens,
®
[Format Memory Stick ] and
™
media is properly
™
media
™
media, if
™
™
™
®