Motherboard Troubleshooting phenomenon: ⊙ press laptop notebook repair switch Nanjing elegant residence, nothing happens (not boot); ⊙ laptop switch is pressed, you can see the lights, but no screen display; ⊙ laptop boot screen appears in English or a digital error, can not enter the system; ⊙ laptop computer does not recognize optical drive, hard disk, floppy, serial, parallel; ⊙ laptop can not install the operating system; ⊙ laptop often crashes, power down or reboot; ⊙ laptop password is forgotten, Unable to enter the system; ⊙ laptop battery will not charge. Printer Troubleshooting handling first: stuck in the jam we must first know which parts can be solved simply by a few jams can be more troublesome is the knob machine did not jam, but during copying paper. make life difficult for a site, then jam, life and death can not find the paper in the machine, then you can wonder whether the paper path in taking a small piece of paper cards Nanjing dongjingzi Village laptop repair, laptop repair cotton, paper clips. Common is part of the registration roller, then can be turned off, then manually go through the knob piece of paper, generally it out. It is not to open the registration rolls. Also there may be bad in some parts of the sensor the paper does not go past a jam. Then enter maintenance program, enter 6 (copying canceled jam detection) Press depth key Nanjing Auto Diecai Lai Ting laptop repair, will appear in the copy multiple of 0.1 Input 1 Cancel jam detection, try to walk a piece of paper, if adopted, would certainly be a bad sensor. generally more perishable the paper exit sensor, the phenomenon is not out of paper half gone, jam. detachable sensor clean look, see the wiring is bad, it is not then change it.