Ideacentre B5 Series computer to press the main engine power source without power of processing method

Failure phenomenon:

The Ideacentre B5 series computer presses the host power source not to add electricity.

Solution:

1. Check whether the power supply is normal

First check whether the rest of the household electrical use is normal, the same socket on whether other appliances can work properly. You can plug the computer into other outlets. Test if there is a problem with the socket: use the lamp to test whether the power supply.

2. Check whether the power cord is loose

Unplug the power plug from the host side, plug it back in and try again.

3. Release static electricity, check whether electrostatic cause.

If the home electricity environment does not have the grounding wire, the computer long time uses after the electrostatic accumulation overmuch also can cause the computer not to be able to boot normally, may try this operation:

Unplug the power cable from the host, if you connect the other devices are also temporarily unplugged, then press the host to boot 5-10 times (press and release, interval of 1 seconds or so), and then reconnect the power cord, press the boot button to see whether the normal boot, if you can boot, then we suggest you contact the property or electrician, the ground connection good To prevent this problem from appearing again in the future.

4. If none of the above actions can solve your problem, please contact the nearest Lenovo service network for maintenance.

Http://support1.lenovo.com.cn/lenovo/wsi/station/servicestation/default.aspx

If your computer is still under warranty, please contact the Lenovo Customer Service hotline by the engineer to help you arrange the repair.

Customer Service Hotline: 800-810-8888 400-100-1000

Warranty Inquiry:

Http://support1.lenovo.com.cn/lenovo/wsi/Modules/bxpz.aspx

Contact Lenovo Service Official micro-letter:

Http://support1.lenovo.com.cn/lenovo/wsi/contact.html?pos=weixin&intcmp=WXPC

Note:

This document is intended for Lenovo Ideacentre B500, B505, B520, b520e, B540, B545 series All-in-one computers.