Beltek DVA9790TN Car screen

SOURCE: Please Help!!!!!!!

KENWOOD SECURITY CODE CLEAR procedure


Your radio will require one of the following procedures.

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds (so that “…” disappears).
Then using your remote enter your code.

Type 2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

Type 3
Model# DPX-4020 and DPX-4030
Press and hold the 1 then the 6 preset key (preset keys are the buttons on face of radio for storing you "favorite" radio stations). "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key

The security is canceled and the set enters the TUNER mode!

SOURCE: car stereo code input protocol for blaupunkt 520 car audio system

- WHEN YOU KNOW WHAT YOUR RADIO CODE, TRY THIS: I JUST TRIED THIS ON MY 520 IN A HOLDEN VECTRA (1999) AND IT WORKS:
- HOLD DOWN THE 'AS' BUTTON UNTIL YOU HEAR A BEEP, THEN YOU GET THE FOLLOWING DISPLAY:
10 - - - -
- PRESS BUTTON NUMBER 1 UNTIL YOU GET THE FIRST DIGIT IN YOUR CODE
- PRESS BUTTON NUMBER 2 UNTIL YOU GET THE SECOND DIGIT IN YOUR CODE
- PRESS BUTTON NUMBER 3 UNTIL YOU GET THE THIRD DIGIT IN YOUR CODE
- PRESS BUTTON NUMBER 4 UNTIL YOU GET THE FOURTH DIGIT IN YOUR CODE
- HOLD DOWN THE 'AS' BUTTON UNTIL THE STEREO TURNS ON.

SOURCE: installation car audio system

solution

SOURCE: Blaupunkt car audio show error4

you can either leave the ignition on for 1 hour and hope it resets. or take your manual and radio information to peugeot they should give you the code.
try any of these as they may work depending on the model.

3728 1728
2256

SOURCE: Dell laptop ... inspiron 6400 System/adminstrator password

I believed this can be resolve by clean the cmos battery. you need to remove the cmos batery from the laptop then power it on then immediately turn it off. then put the battery back to the laptop then power it on keep tapping on f2 to enter setup. please follow the instructions from the link to remove the cmos battery http://tinyurl.com/yb3mhyg