Sony PLAYSTATION PSP-3002 - Manual (Page 18)

18 Before requesting service
The date and time are reset.
, If the battery is not recharged and runs out, or if the Battery Pack
is replaced, the system date and time settings may be reset. Follow
the on-screen instructions to set the time and date.
The PSP ® system is not recognised by the PC when
connected using a USB cable.
, Check that your PSP
® system is set to USB mode. If it is not, select
(USB Connection) under (Settings).
, Check that your Memory Stick Duo™ media is inserted into your
PSP ® system.
, Check that an operating system that supports USB mass storage
class is installed in the personal computer in use.
, When using a USB hub or other devices, depending on the
operating environment of the PC, the Memory Stick Duo™
inserted in the system may not be recognised by the PC. Try
connecting the system directly to the PC using a USB cable.
, If "USB Charge" under (System Settings) is set to "On", the
device may not be recognised.
The connected USB device is not recognised by the PSP ®
system.
, Check that the USB connector on the top of the system is clean.
Try wiping it with a soft, dry cloth.
You forgot your password.
, If you restore default settings under
(System Settings)
"Restore Default Settings", the system password will be reset to
"0000". For details, refer to the User's Guide (
page 5).
Note that if you restore default settings, settings you have adjusted
for options other than the system password will also be cleared.
Once cleared, these custom settings cannot be restored by the
system.
The analog stick does not function properly.
, At a scene where the symptoms appear, move the analog stick in a
circular motion. This will help you determine the optimum
operating range.
The PSP ® system cannot communicate with another PSP ®
system in ad hoc mode and communication is
disconnected.
, If "UMD™ Cache" under
(System Settings) is set to "On",
you may not be able to communicate properly.