Lenovo computer repair customer service hotline 021-63010529 LENOVO the computer engineers technical hotline 13524378106 free consultation QQ.158394865 Lenovo repair motherboard failure phenomenon characteristics: LENOVO Lenovo laptop does not start, boot no display. 2, LENOVO Lenovo laptop password is forgotten, can not enter the system. LENOVO Lenovo laptop does not recognize optical drive, hard disk, floppy disk drive, serial, parallel, and so on. Rising Sun 410 series of 420 series of the Rising Sun 150 Series Rising Sun 120 series Rising Sun Rising Sun 210 series Rising Sun 125 Series C100 Series of Rising Sun 160 Series Rising Sun Tin Yat S Series Tianyi F30 Series Tianyi F21 Series Tianyi F20 series days Yat 200 series days Yat 100 Series days Yat Series 80 1 +1 notebook Zhao Yang E660 Zhaoyang E280 Zhaoyang E370 Zhaoyang E680 Zhaoyang E290 Zhaoyang S650 days Yat Series 80 Tianyi F20 series Tianyi F40 Series Rising Sun 160 Series Rising Sun 125 Series Rising Sun C100 Series Rising Sun 410 Series Rising Sun 210 series Tin Yat F30E series days Yat F50 series days Yat F30AE series Tin Yat F31G Tianyi F31A Tin Yat F40M series Tianyi F40A series Tianyi F41A series Tin Yat F41G series professional repair Lenovo laptop LCD screen LCD broken high-pressure lamp repair motherboard influent point off a bright line, Huaping, black and white keyboard even key screen LENOVO Lenovo notebook repair, blue screen, screen dark, not typing, optical drive does not read the disk, etc., can be divided into LENOVO Lenovo notebook repair parts of the system LENOVO Lenovo laptop repair parts section. LENOVO Lenovo notebook repair software system failure LENOVO Lenovo laptop repair hardware failure. LENOVO Lenovo notebook repair parts section. 1.1: LENOVO Lenovo notebook repair CD-ROM drive (LENOVO Lenovo DVD, Lenovo CD, Lenovo COMBO) 1.2: Lenovo laptop LCD screen repair 3: LENOVO Lenovo notebook maintenance battery, 4: Lenovo laptop repair motherboard 5: LENOVO Lenovo notebook repair screen line 6: LENOVO Lenovo notebook repair screen axis, 7: Lenovo notebook repair tube 8: LENOVO Lenovo notebook repair screen shell 9: LENOVO Lenovo notebook keyboard repair, Company Address: Huangpu District, Shanghai South Xizang Road 1501, Room 403, Building 1, Lane near the Zhongshan South Road subway line: 4/8, Tibet Road Station Exit 1 out walk 50 meters north, opposite the mouth of the 5th. Bus routes 1:715 771 the China Pavilion cars 3-wire to Tibet South Road, Zhongshan South Road next to. Bus routes 2: 318182396 the China Pavilion shuttle 3 lines 715,969,771 South Xizang Road Quxi, station opposite. Bus routes 3:327 8691441810923 to Zhongshan South Road, South Xizang Road Station walk two minutes. Laptop failure: A boot failure: does not boot, without pressing power reflect, boot no display; occasionally boot, occasionally not boot; password locked into the system can not stand in the logo at; boot screen appears in English or digital error can not be into the system; into the system after the blue screen, reboot, crash. B, LCD fault: boot display, but the screen is very dark (dark screen); black and white LCD screen, Huaping; LCD splash screen, split screen; LCD screen with a horizontal or vertical bright line, bright band. C, functional failure: computer keyboard string keys, sticky keys, key failure, etc.; the computer touchpad can not use; computer no sound; computer can not access; computer screen off-axis can not turn together, the case has been damaged; computer CD-ROM drive does not read the disk read disc noise, automatically eject the disc. D interface fault: bad computer USB interface, USB device does not recognize; computer headphone jack is broken, there is no sound, noise; computer network interface cards bad, not the Internet, often dropped;