Lumia 520 does not boot

Source: Internet
Author: User

Take out the dust-laden Lumia 520, and find it difficult to boot, the phenomenon is as follows:

1. Remove the battery and put it back in a chance to boot.

2. The phone will restart when you hit the desktop gently with your phone

Because the phone in the update WP8.1 after the problem, so first to locate the problem, in the black screen when

Try the Power key + volume key to boot successfully, but the subsequent attempts did not succeed. Even the machine will not boot,

Then the problem with the operating system should be small.

Hitting the desktop with a mobile phone will cause the phone to restart, if it is a software problem, I think it may be the battery voltage detection part of the problem,

Then measured the mobile phone side of the metal sheet (after inserting the battery):

The conclusion is that the voltages are all normal!

It seems that this side of the interface is not a problem, but the last online check, many people encounter similar problems, it should be shims

It's loose. I clamped the gasket to the positive, and the situation really improved.

Before the test voltage normal phenomenon may be because there is contact between the gasket and the electrode, but the poor contact leads to high current

Unable to pass through the electrodes, causing the phone not to boot.

The problem is not going to be solved after positioning it (still unstable), originally wanted to use this phone as another phone number of the standby machine,

Finally come up with a dusty long-lasting Nokia function machine solution.

Lumia 520 does not boot

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