Step 1 : Input the “SELFTEST” in the “Enter chip printing”,click![](https://box.kancloud.cn/1c425e5c2214482a3564fd345a54df58_94x37.png); ![](https://box.kancloud.cn/342b2609ea8b79d56543c16c65f286e4_475x203.png) Step 2 : Click![](https://box.kancloud.cn/fe21f1eb1da4098cfe19051b2dbeaa6a_112x36.png),look at the hint in the display area,”selftest 0” means the test pass; ![](https://box.kancloud.cn/9cf84fa1bcc40fdcb5bbc141d6b4657d_390x77.png) Step 3 : Install the NO.1 test board and the short port of VGA ISP(short circuit the 4pins and 11pins,12pins and 15pins); ![](https://box.kancloud.cn/d8d84b25f7ae41f93d0bde41ef17bb43_387x602.png) Step 4 : Click![](https://box.kancloud.cn/36ee70c5313539e0f698629133b76e93_112x36.png),check the hint in the software,it will hint “Selftest 1,test pass”; ![](https://box.kancloud.cn/e316acd77ae5f4d607c6139f39b5a82b_489x82.png) Step 5 : Install the NO.2 Self Test Board; ![](https://box.kancloud.cn/411496628f43fbf6ed7af0db4b06e9ca_442x528.png) Step 6 : Click ,check the hint in the software,it will hint “Selftest 2, test pass”;