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Hello everyone, in this lesson, let's take a look at the laptop disassembly tutorial
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First of all, let's take a look at what we generally call the notebook shell
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We generally refer to the notebook shell as A shell, B shell, C shell and D shell
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They are in order from top to bottom
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Shell A is the top shell
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Shell B is the shell on this side of the screen
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The C shell is the shell on the side of the keyboard.
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D shell is the bottom shell
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Under normal circumstances, whether we disassemble the machine or buy the case,
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just say A case, B case, C case, D case.
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Next, let's take a look at the tools to be prepared for disassembly
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There are not many tools to prepare, only three
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A screwdriver set, a triangular blade and a suction cup
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Let's see one by one
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First, the screwdriver set
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It is recommended to use a screwdriver set with a thicker handle
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Screwdriver sets with thinner handles, such as millet screwdrivers, are not recommended
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Because its handle is relatively thin, some larger screws may not be removed
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Moreover, there are various types of screws on the notebook at present.
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Common Phillips screws and Torx screws
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So for novices, it is more cost-effective to prepare a screwdriver set
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Second, an opening pick
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It's for prying the buckle off
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There are a lot of clips on the computer
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These buckles need to be pried open with an opening pick
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Some old craftsmen prefer to use metal crowbars when disassembling the machine
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But for novices, metal crowbars are not recommended
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Because the strength of the metal crowbar is relatively strong, it is easy to pry the shell
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The third, suction cup, the suction cup is used to suck the shell
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Because many computers now use metal casings
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The metal casing is generally not easy to grasp
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We need to use a suction cup to suck it up
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After preparing these tools, we can proceed with the disassembly process
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When disassembling the machine, we don't start screwing it as soon as it comes up.
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First observe
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What are you observing?
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First observe whether the battery is built-in
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This is the first place to look
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The second is to observe whether the keyboard and the C shell are designed as one
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Let's look at the first point to observe
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The first one is to observe whether the battery is built-in
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There are two designs of common notebooks
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One is built-in battery, one is external battery
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Of course, there are also a small number of computers with both built-in batteries and external batteries,
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such as ThinkPad
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And now most of the laptop batteries are built-in
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Only a small number of old computers have external batteries
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If the battery is external, then we have to remove the battery before performing other operations
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We can observe that the D shells of the two computers in the lower right corner
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But the D shell of this computer is very flat, which means that the battery is built-in
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The battery on the right is obviously external.
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Its battery is here
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After observing the battery, we need to observe whether the keyboard is integrated with the C shell
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Most of the new computer keyboards are integrated with the C shell
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Let's take a look at this keyboard
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It can be seen that there is no gap between the keyboard and the surrounding C shell
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And this keyboard, you can clearly see that there is a gap between the keyboard and the C shell
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It is a one-piece design
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If there is a gap, it means it is not one piece
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After we observe the battery and keyboard, we will get a rough disassembly direction
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After observing these, we can disassemble the machine next.
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First of all, we need to remove all the screws that can be seen on the D shell.
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And all the covers on the D shell and all the screws under the covers must be removed.
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For example the picture on the right
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It can be seen that there is a cover in the middle of the D shell
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We're going to take this cover off at this step
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And remove all visible screws under the cover
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After removing all the screws of the D case, if the keyboard is integrated with the C case,
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then we can directly use the triangular pick to pry off the C and D cases
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Because at this time, there is only a buckle between the C shell and the D shell.
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If the keyboard and the C shell are not integrated, then the keyboard must be removed first
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After the keyboard is removed, there are usually several screws hidden under the keyboard.
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After removing these screws, pry open the C and D shells
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One thing to pay attention to here, when you pry open the C shell and the D shell,
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generally a few buckles will be broken more or less
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This is very normal, don't panic
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After prying off the C and D shells, we can separate the C and D shells
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Once separated, we can see the inside of the computer
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At this time, we can see the mainboard and various cables.
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At this time, if the computer battery is built-in, the first step is to disconnect the battery cable
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After disconnecting the battery cable, we remove the battery,
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the wireless network card and all the cables connected to the mainboard
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After removing these, remove the screws on the mainboard, and you can remove the mainboard
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The above is a more general notebook disassembly process
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Although it is more general, but follow this process to dismantle the computer can be dismantled
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When we disassemble the machine, it is not enough to just know the process,
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there are many things to pay attention to
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We must write down all the precautions here
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Because they are money lessons
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First of all, the first step is to disconnect the battery in the first step of disassembly,
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and connect the battery in the last step of installation.
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No matter what accessories we want to remove on the mainboard,
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the first step is always to disconnect the battery, and the last step is to connect the battery
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If the battery is not disconnected, it may cause a short circuit on the mainboard and cause damage
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Especially when changing screens
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Many people do not remove the battery when replacing the screen,
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which eventually leads to burning the CPU or graphics card
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The second is that some notebook back shell screws have an anti-lost design
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The screw with this anti-lost design cannot be removed
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When we heard a clicking sound during disassembly, it means that the screw has been unscrewed
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If the screw cannot be removed, do not continue to tighten it
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This kind of anti-lost design is generally seen on ThinkPad.
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The third is, when separating the C shell and the D shell, don't open it completely at once.
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Because there may be a cable connection between the C shell and the D shell
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If the C shell and D shell are opened at once, it may cause the breakage of the cable
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Some cables are relatively expensive, and some cables may be worth hundreds of dollars
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The fourth is that the screws must be placed in different areas, and the length of the screws must be remembered
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If you can't remember,
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you can put the screws in order and take a photo to prevent the wrong screws from being installed.
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If you install the wrong screws, if you are lucky, you may put a bag on the C shell,
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if you are unlucky, you may penetrate the mainboard
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If the mainboard is pierced, the mainboard is scrapped,
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and the mainboard needs to be completely replaced.
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The fifth is that when disassembling the radiator, it must be disassembled diagonally.
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Risk of crushing the core if you don't
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For example, the radiator on the right
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We must follow the logic of diagonal disassembly when disassembling
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If one side is disassembled, the core may be crushed
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Because there is a raised wafer on the CPU and graphics card of the computer
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For example, this is a CPU, below is the solder ball
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The radiator is so tightly attached to it
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If we lock the screw on one side first, or loosen it,
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the radiator will change from a flat state to a slanted state
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It only presses one side of the core
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At this time, it is possible to crush the core
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Especially when we are installing, we have to press this side down
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At this time, the point where the radiator contacts the core will form a fulcrum
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This piece is relatively strong and may crush the core
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And after the core is crushed, it's basically scrapped
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The sixth is that you must use a suitable batch when disassembling
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If an inappropriate bit is used, it may cause the screw to slip
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And some of the screws are difficult to remove after slipping.
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The seventh is also a more important point
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There may be stickers on the mainboard
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Be sure to paste it when installing the machine
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If it is not pasted properly, it may burn the mainboard
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Because these stickers are generally used for insulation
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Even if the shell is plastic, the inside of the shell may be conductive
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And if there is no protection from the sticker, it may cause a short circuit on the mainboard,
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thus burning the mainboard
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The last note is that you must be careful when plugging and unplugging the cables on the mainboard.
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Don't take the cable and pull it out directly
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If you pull it directly, it may damage the cable
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Ok, after understanding the process and precautions, we can actually disassemble a notebook and try it out
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Let's take a look at the disassembly and assembly of this Redmi computer
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First observe whether its keyboard and battery are built-in
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Observing the D case, it can be found that its battery is built-in
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Observing the keyboard, it can be seen that there is no gap between the keyboard and the C shell,
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and they are integrated
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Then we have the idea of disassembly
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Directly remove all the screws of the D shell, and then pry the C shell and the D shell
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Now all the screws have been removed by me
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If you can't remember the length of the screws,
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you can put them on the paper according to their positions like me, and then take a photo
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When installing the machine, the screws will not be installed wrongly.
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After all the screws are removed, we can pry the D shell open
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Because this is a metal case
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Therefore, it is not recommended to use an opening pick to pry directly, otherwise it is easy to leave scratches
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Use a suction cup to pick it up
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Now we have removed the D shell
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The first thing we're going to do next is disconnect the battery cable
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After disconnecting the battery, you can remove the battery and remove the mainboard
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There is nothing special about the disassembly process of this mainboard
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There are neither stickers nor something special to look out for
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Just screw it in
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I won't demonstrate this part anymore
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Let's look at a ThinkPad
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Still the same, first observe whether the keyboard and the C shell are integrated
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Careful observation shows that there is no gap between the keyboard and the C shell,
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indicating that they are integrated
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Let's observe the D shell
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It can be seen that the D shell is very flat, indicating that the battery is built-in
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Next, we will remove all the screws of the D shell, and then pry the C shell and the D shell
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We pick the right screwdriver
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ThinkPad screws are anti-lost design
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So when we hear the sound of clicking, it means that the screw has been loosened
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Let's continue to remove the other screws
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After all the screws are removed, you can open the C and D shells by hand.
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There is a buckle here that cannot be pried open, let's use an opening pick to pry it
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Ok now it's open
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Let's remove the D shell
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This is what's inside a ThinkPad machine
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The anti-lost design of the ThinkPad screw is because there is a washer under the screw
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This is not obvious, let's look at another
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This gasket is more obvious
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It is because of the existence of this washer that the screw is anti-lost and cannot be removed.
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Let's take a look inside the machine first
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You can see that there are many such stickers inside
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These stickers must be affixed when installing the machine.
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Then we will remove the battery
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After removing the battery, we can disassemble the remaining parts at will
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The internal disassembly of ThinkPad is not difficult, basically it is screwing
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No more demos here
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At this point, the notebook disassembly tutorial is over
