Einleitung
If your device is failing to successfully connect to any wireless network you can find step by step instructions in this guide on how to replace your Network adapter.
Werkzeuge
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Slide lock button 2 to the unlock position and continue gently sliding until the battery is removed.
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Flip the device over and lay it down with the underside facing upwards.
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Unscrew all 8 screws. While they should not come out completely, in some cases, the plastic retaining washers may come off of one or more of the screws, allowing them to come out completely. - should this happen, look for a loose, tiny black plastic washer once the case is open. It's possible, in some cases, to reattach the retaining washer.
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Pry the bottom from the computer until it pops out.
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In some cases, the vented side of the case may cling to the heat sink; appears to be adhesive. Take care when separating.
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To reassemble your device, follow these instructions in reverse order.
Ein Kommentar
You neglected something important in step 1. The t450s has 2 batteries, 1 removable and another built in. To do repair work you MUST first reboot to the bios setup and disable the built-in battery in addition to removing the outboard battery.
Also you neglect to mention that the radio adapter has a dual function, wifi and bluetooth; also the bios has a whitelist of acceptable radio cards and it can be difficult to find a replacement.
Also, the screws holding the bottom casing on are phillips head and are screwed into soft plastic, some of the heads being deeply recessed. A phillips head screwdriver will not seat on the head without at least a bit of pressure, so the last turn or two with the screw almost out cannot take the screw out, instead it’s just forced back into the plastic. And with a deep recess, it’s VERY hard to pull the screw out completely.