Ideacentre B3 Series PC Press the host power switch but can't boot?

Failure phenomena:

When you find that the host is not power-up (that is, the machine is not on), follow these steps:

Solution:

1. Check whether the power supply is normal

First of all, look at the home of the other appliances are normal use, the same socket on the other appliances can work properly.

You can plug the computer into other sockets. Test if there is a problem with the socket: use a lamp to test for power.

2. Check that the power cord is loose

Unplug the power plug from the host side, reseat it, and try to start again.

If it is a B300, B305 computer, you can check the power adapter on the light is normal;

If the power adapter led is not lit, then the power adapter is faulty;

If the adapter light is on or plugged into the computer, the lamp will not light, generally for the computer motherboard failure.

3. Release static electricity, check whether the cause of static electricity.

If the electrical environment in the home does not have a grounding wire, the computer after a long period of static accumulation too much will cause the computer can not boot normally, you can try to do this:

The main power cord unplugged, if you connect to other devices also temporarily unplug, and then press the host button 5-10 times (press and release, interval of 1 seconds), and then reconnect the power cord, press the boot button to see if the normal boot, if you can boot, then we recommend you contact the property or electrician, the ground connection is good To prevent this problem from appearing again later.