Usually, the glue that holds the plastic together is easy to feed, the gap grows, and after releasing one side, you can already grab the case with your hands - this way faster.
The same principle - leverage - can be applied if you want to quickly, and external damage to the device is a trifle, a matter of everyday life. In the upper and lower halves of the body (above and below the seam), closer to the corner, small holes are drilled with an ordinary drill - such that the jaws of the pliers can be inserted. We spread the handles - the seam diverges, and the matter remains small: with a flat screwdriver or a knife, help the seam to disperse completely.
If it is impossible to leave marks on the case, but in relation to everything else, you can get rid of it as you like (for example, in the warranty department), then it is permissible to apply radical surgery. We cut off the cable through which the laptop should be charged, at the very outlet so that not a tail remains. In this hole, we use the lever available to us (most conveniently, the same pliers). The pens were lifted - the halves fell apart (if not completely, then it is no longer difficult to help). And the wire does not take long to solder, it will only become shorter by a few centimeters.
There are also extreme-exotic ways to break the power supply case into two halves: throw it against the wall, beat it with a hammer, press in a vice until the seams burst, inject a solvent into the seam with a syringe. True, after such experiments, along with the plastic that has fallen to the floor, the device's performance may also fall.
Assembly
We did the most difficult thing - the body was removed. Under it is a metal casing that protects the environment from radiation from the electronics, and the electronics from damage. No frills are required anymore: it is simply sealed with technical tape or electrical tape. It is enough to peel it off or cut it to get to the insides.
So, disassembling the power supply from the laptop turned out to be not scary, not long and not expensive. After all the repair procedures, it remains to assemble it back. Many, without further ado, simply wrap the case on top with electrical tape, since it is usually still lying somewhere on the floor next to the outlet. Aesthetes, on the other hand, can return an almost factory look to their device if disassembled carefully. To do this, you will need any dark-colored adhesive: epoxy resin, dichloroethane, rubber glue, silicone. Just remember that the power supplies get very hot, so the composition must be heat-resistant. The edges of the halves are cleaned from irregularities left after the knife, coated with glue, the body is assembled, excess glue is removed, the surface is sanded. Who can say now that the power supply unit was sorted out?
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