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Next, let's deal with the solder points on the shield, and then install the shield back

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Drag the low-temperature tin over the edge

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Because these areas are all grounded, when dragging,

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you must drag it back and forth a few times to ensure that

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the low-temperature tin is completely fused with the tin on the solder point,

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otherwise the tin on the solder point will be more difficult to handle

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If the soldering iron is not very powerful, you can use an air gun to assist,

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adjust the temperature to 200 degrees, and the air volume is slightly larger

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When dragging, pay attention to the small components on the edge,

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such as this small resistor, if it is knocked off, and then the shield is installed,

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the function will definitely be abnormal.

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Also, prevent tin from sticking to components and causing short circuits

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After the low-temperature tin is dragged, we use a solder wick to level all the remaining solder

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Only drag the parts without components on both sides, which is easier to operate

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The hard drive on this motherboard has been removed

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If the hard drive is not removed, this position is not good for a soldering iron

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There is a shield in the area below, and it is not easy to drag

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We mainly drag the areas on both sides

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Well, we have completely flattened the tin on both sides

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Let's put some medium temperature tin on it

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Apply a little more solder paste, otherwise the tin will not be easy to apply

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Be sure to watch the edges

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Like this location has been short-circuited

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In fact, if this shield is not installed, it will not have much impact

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If the installation is a bit biased, it is relatively easy to short circuit

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This kind of capacitor is also okay, it is on the side

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There are basically all grounded components here.

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If there is power supply, if you put it on the iron shell, it will definitely short-circuit

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The solder should be smoothed out, as little as possible, not too much

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In this way, the tin on both sides is already on