Shanghai Tongfang Notebook maintenance department: 
 URL: 
 Wang Pu Address: 
 Tel: Mobile: 
 Maintenance Address: North Building, 861 Tian Yao Qiao Road, Building 2, Room 1504 

 Bus routes: 111, Road Terminal, tunnel 2-wire, 92B, 92 Road, 15 Road, 56 Road, 89 Road 236 Road, 326 Road, 770 Road, 864 Road, 932 Road, 957 Road, six-lane bridge; to the Shanghai Stadium Station opposite 

 Shanghai Stadium Station Subway Line 3, opposite to 

 One line fourth line of Shanghai Stadium Station and transfer to Shanghai Stadium Station exit 3; 

 1 Tsinghua Press the notebook computer with the side switch, nothing happens (not boot); 

 2 Press the laptop Tongfang switch, you can see the indicator light, but no screen display; 

 3 Tongfang laptop boot screen appears in English or a digital error, can not enter the system; 

 4 Tongfang laptop does not recognize the CD-ROM, hard disk, floppy, serial, parallel, etc.; 

 5 Tongfang notebook computer can not install the operating system; 

 6 Tongfang laptop often crashes, power down or reboot; 

 7 Tongfang laptop password is forgotten, can not enter the system; 

 8 Tongfang laptop battery will not charge. 

 Laptop LCD Screen Tongfang Common symptoms: 

 9 Tongfang start showing, but the screen is very dark, adjust the brightness function keys with debugging without any changes; 

 10 Tongfang turn black and white LCD screen (no text images) or Huaping, but the external display is normal; 

 11 lcd screen with horizontal or vertical bright line, bright band; 

 12 Tongfang black boot screen, but the external display the image properly. 

 Tongfang Notebook Hard Troubleshooting: 

 13 Tongfang hard time running very slow process, but also associated with crash situations; 

 14 Tongfang laptop can not find the hard disk boot screen prompts; 

 Hard Tongfang issued 15 Ga da, da ga abnormal noise, the system can not start; 

 16 Tongfang drive circuit board burned, smoke; 

 17 Tongfang accidentally deleted, formatted wrong, wrong clone, partition error, virus attack and other data recovery. 

 Tongfang laptop keyboard common symptoms: 

 18 Tongfang a key failure of the keyboard; 

 19 Tongfang keyboard water; 

 20 Tongfang key