Hello: Dear IBM computer users! Professional you choose is the IBM service center, choose us, rest assured you have chosen. 

 Main IBM maintenance services: 
 1, professional hard disk data recovery. 2, notebooks, desktops, projectors, servers, motherboards and other chip repair. 
 3, the network engineering installation and maintenance debugging. 4, enterprise IT outsourcing computer services. 
 Service mode 
 A telephone support: provide remote technical support for laptop repair, customers can contact us Tel, for some hardware and software problems, can be under the guidance of engineers, clients themselves, to avoid excessive delays in customer use of machine time. 
 B-site maintenance: no time to repair the user's situation, the hotline can be achieved through our free onsite service. 
 C rapid repair: advanced equipment and excellent technical staff, on-site maintenance on the laptop, some do not 
 Is a very serious problem, and customers to wait several minutes, the spot can take machines to reduce the loss of customers. 
 Services: 
 Laptop repair training, training outsourcing services unit of computer data recovery IT 
 Shanghai Shanghai notebook hard drive repair laptop notebook motherboard repair data recovery Shanghai set up computer network maintenance works 
 Used Computer Recycling 
 The back panel to undertake with any degree 
 IBM machine fault code and fault models describe the possible point of failure 
 01 IBM no sound output, silent sound card, amplifier chip, line, headphone jack 
 02 IBM about the uneven sound card, power amplifier chip, line, headphone jack 
 03 IBM opposite left and right channel audio speaker, power amplifier chip, line, headphone jack 
 04 IBM headphone no sound output sound card, amplifier chip, line, headphone jack 
 05 IBM microphone tests do not sound card, amplifier chip, line, headphone jack 
 06 IBM headphones noise sound card, amplifier chip, line, headphone jack 
 07 IBM testing a microphone noise sound card, amplifier chip, line, headphone jack 
 08 IBM can not adjust the sound volume, power amplifier chip, line, headphone jack 
 09 IBM horn noise sound card, amplifier chip, line, headphone jack 
 10 IBM external microphone test bad sound card, amplifier chip, line, headphone jack 
 11 IBM adjustment vr1 speaker noise when the sound card, power amplifier chip, line, headphone jack 
 12 IBM speakers to plug in headphones have noise output sound card, amplifier chip, line, headphone jack 
 13 IBM line in the test bad sound card, amplifier chip, line, headphone jack 
 14 IBM Optic l udio test bad sound card, amplifier chip, line, headphone jack 
 B01 IBM battery can not charge and discharge batteries aging batteries failure, damaged circuit board, motherboard failure 
 B02 IBM aging batteries battery, batteries fail, PCB damage 
 B03 IBM power cord without output transformers, power adapter damage 
 B04 IBM no output auxiliary battery aging batteries, the batteries fail, damage the circuit board, motherboard failure 
 B05 IBM can not warm boot the motherboard interface, motherboard failure, power adapter failure 
 B06 IBM motherboard interface, no power supply, motherboard failure, power adapter failure 
 B07 IBM Auto Power motherboard failure, power adapter failure 
 B08 IBM board automatic repeat boot failure, power adapter failure 
 B09 IBM boot off the motherboard interface, motherboard failure, power adapter failure 
 B10 IBM does not boot the motherboard interface, motherboard failure, power adapter failure 
 B11 IBM IBM can not shut down laptop motherboard motherboard failure symptoms features: 
 When your IBM computer is a problem, you can directly send to our professional help you free testing service station, on the spot maintenance repair address is: Cao Yang Road, Putuo District, Shanghai, No. 31, Lane 710, Room 1402. Subway Line: 3 \ 4 \ 11 Cao Yang Road Subway Station Line 4, No. .5 mouth mouth mouth 6, Number 7 out of mouth about three minutes walk 

 You can also call our customer service hotline, available 24 hours, in order to help you solve the problem as soon as possible, so as not to affect your use, engineers can provide telephone guidance and home maintenance. 

 Shanghai IBM computer repair service hotline 021-32170300 021-51932883 IBM computer engineer technical hotline 18717788894 Technical QQ.694153584 free consultation