Why CN900 Become White Screen?

Why CN900 Become White Screen?

As we all know that CN900 is a hot key programmer. Recently, many customers have feedbacked  that their CN900 became white screen and they did not know how to solve the problem. Here are the causes of CN900 becoming white screen below:

Cause 1：
When CN900 no need to update, but you press "Update" button.

After you press "Update" button within 10 seconds, you do not reture back to the main mean.

After 10 seconds then the screen became white.

Cause 2:
When CN900 need to update and during waiting for CN900 updating, then you should power off.

After powering off, then again you connect with power, therefore CN900 became white screen.

It ends!

How to Fix CN900 Screen Became Black and White?

How to Fix CN900 Screen Became Black and White?

New CN900 key copy machine is a new Auto transponder chip key copy machine, using 3.6-inch TFT LCD display, touch screen operation. CN900 key copy machine supports directly copy 4C and 4D chips. It can copy Toyota 4d67. A customer told me that his CN900 screen became black and white and he did not know how to solve the problem.

Here are the screenshots below:

Now please follow me by the below ways to fix it:

1. First you should connect CN900 with computer and power by USB wire.

2. Next you need to go to CN900 official website: www.cn900.net and download : CN900_LOADER V3.10

3. You'd better click, then it will appear follow picture. You will see in front of "Fast" there marked hook.

4. You should remove the Hook in front of "Fast".

5. After you remove the Hook in front of "Fast", then you need to press "Update" button. After then CN900  will update with computer together.

6. After CN900 finished update with computer, then it will recover as follow:

Remark 1：If updating one time, the CN900 still does not recover,then you should try as above ways again and again till it recovers.

Remark 2: If during updating CN900, it appears a window which need you choose "COM" port. Then you need to choose a correct "COM" port. If you do not know which is correct COM port, then you'd better operate as follow steps:

a. You need to right click my computer and choose property.

b. You'd better choose "Hardware".

c. You should choose device manager.

d. You need to find port(COM and LPT) and click, then will see following ports:

And then you should take CN900 USB wire out from computer,then check the port(COM and LPT) again:

You need to check the difference between connect with CN900 USB wire with computer and take out CN900 USB wire from Computer:

Then you will see when connect with CN900 USB wire with computer then will see the below message:"".

After you take out CN900 USB wire from computer, then "" will disappear. So you need to choose "".

Notice: When choose  COM  port  not  must  be "". Different computer have different case. It depends on that when you connect CN900 USB wire with computer and take out USB wire from computer which port (COM) will appear and disappear, therefore that port (COM ) you need to choose.

How to Update CN900 Auto Key Programmer Online?

How to Update CN900 Auto Key Programmer Online?

New CN900 key copy machine, New Auto transponder chip key copy machine,Using 3.6-inch TFT LCD display, touch screen operation. CN900 key copy machine supports directly copy 4C and 4D chips. It can copy such as Toyota 4d67 and support update online. It is very popular among European engineers. However, how to update CN900 online? Do you want to know? Follow me step by step below:

Step1:First, you should keep CN900 in power and connect with computer by USB wire.
Step2:You need to open CN900 software and click "CN900Updater_2.0".After then click "Connect".

Step3:You should click "Update".

Step4:After you see computer screeen appears those words inside the red line circle. Then please click "CN900 Setup" menu and click "update" button. After click the "Update" button, then the CN900 will begin to update.

Step5.During CN900 update process, the computer and CN900's screen will showing

the messages below:

Step6:You should press "CN900 Setup" button and press "about" button, then you can check CN900 version. 

BeforeUpdate the version as follows:

After Update the version as follows:

Step7.After updating is successful,the special menu will become 3 submenu showing as below:
Before update the Special menu:

After upate the Special menu:

Step8:Don't put any chip in CN900 testing hole, then click "Generate code" will show you the following information:

CN900 updates successfully!

The Usage of CN900 key programmer ID46 copy function

The Usage of CN900 key programmer ID46 copy function

CN900 car key programmer is a powerful auto chip key maker. CN900 auto key programmer is able to directly copy 4D and 4C chips and unlock ID48, but you need purchase 46 Decoder and CN3 chips together in order to copy ID46 chip.Here is the instruction step by step below:

1. You should connect your CN900 car key programmer to your computer. Then Wait a moment for the tool to start up.

2. You should run CN900 software, next click "Connect" on the upper left and get your serial number at the bottom left.
3. You should click Update and the software will prompt that the tool is of the newest version.
4. You should click camera icon on the upper right.
5. You should provide your serial number to OBD365 customer service to open ID46 function for you. After the ID46 function is authorized, click update and let the tool to upgrade.

Note: The upgrade procedure would take several minutes, please make sure your computer has enough power to get it done.