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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.

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  1. Lenovo Thinkpad T450s Network Adapter Card Replacement, Battery: step 1, image 1 of 2 Lenovo Thinkpad T450s Network Adapter Card Replacement, Battery: step 1, image 2 of 2
    • Turn off device before starting

    • Flip the laptop upside down so you have access to the battery.

  2. Lenovo Thinkpad T450s Network Adapter Card Replacement: step 2, image 1 of 1
    • Slide lock button 1 to the unlock position and gently slide away from your body.

  3. Lenovo Thinkpad T450s Network Adapter Card Replacement: step 3, image 1 of 2 Lenovo Thinkpad T450s Network Adapter Card Replacement: step 3, image 2 of 2
    • Slide lock button 2 to the unlock position and continue gently sliding until the battery is removed.

  4. Lenovo Thinkpad T450s Network Adapter Card Replacement, Lenovo Thinkpad T450s Bottom Panel Removal: step 4, image 1 of 3 Lenovo Thinkpad T450s Network Adapter Card Replacement, Lenovo Thinkpad T450s Bottom Panel Removal: step 4, image 2 of 3 Lenovo Thinkpad T450s Network Adapter Card Replacement, Lenovo Thinkpad T450s Bottom Panel Removal: step 4, image 3 of 3
    • Flip the device over and lay it down with the underside facing upwards.

    • 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.

  5. Lenovo Thinkpad T450s Network Adapter Card Replacement: step 5, image 1 of 2 Lenovo Thinkpad T450s Network Adapter Card Replacement: step 5, image 2 of 2
    • Pry the bottom from the computer until it pops out.

    • In some cases, the vented side of the case may cling to the heat sink; appears to be adhesive. Take care when separating.

  6. Lenovo Thinkpad T450s Network Adapter Card Replacement, Network Adapter Card: step 6, image 1 of 2 Lenovo Thinkpad T450s Network Adapter Card Replacement, Network Adapter Card: step 6, image 2 of 2
    • Remove the single 3mm screw holding the network adapter in place.

    • You will have to locate and lift up a small, black area of film covering the screw and network adapter.

  7. Lenovo Thinkpad T450s Network Adapter Card Replacement: step 7, image 1 of 1
    • Remove the two cables connected (1 black, 1 grey) from the network adapter.

    • The cables will pop off once the screw is removed.

  8. Lenovo Thinkpad T450s Network Adapter Card Replacement: step 8, image 1 of 1
    • Pull the network adapter out of the device.

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To reassemble your device, follow these instructions in reverse order.

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Hayden Hausman

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Eastern Washington University, Team S2-G3, Munoz Winter 2019 crwdns2886886:0Eastern Washington University, Team S2-G3, Munoz Winter 2019crwdne2886886:0

EWU-MUNOZ-W19S2G3

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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.

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