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Dell Latitude 7490 RAM Replacement

简介

Use this guide to replace or upgrade the RAM in your Dell Latitude 7490 laptop.

This laptop has two SO-DIMM slots that support DDR4 memory modules.

你所需要的

  1. Dell Latitude 7490 RAM Replacement, Prepare your laptop for disassembly: 步骤 1 中的图像 1，2 Dell Latitude 7490 RAM Replacement, Prepare your laptop for disassembly: 步骤 1 中的图像 2，2

    • Allow your laptop's battery to drain below 25% before starting this repair—a charged battery may catch fire if damaged.

    • Unplug all cables and fully shut down your laptop.

    编辑

  2. Dell Latitude 7490 RAM Replacement, Flip your laptop over: 步骤 2 中的图像 1，1

    • Flip your laptop over so the rubber feet strips are facing up.

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  3. Dell Latitude 7490 RAM Replacement, Loosen the captive screws: 步骤 3 中的图像 1，2 Dell Latitude 7490 RAM Replacement, Loosen the captive screws: 步骤 3 中的图像 2，2

    • Use a Phillips screwdriver to fully loosen the eight captive screws securing the back cover.

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  5. Dell Latitude 7490 RAM Replacement, Insert an opening pick: 步骤 4 中的图像 1，3 Dell Latitude 7490 RAM Replacement, Insert an opening pick: 步骤 4 中的图像 2，3 Dell Latitude 7490 RAM Replacement, Insert an opening pick: 步骤 4 中的图像 3，3

    • Plastic clips secure the back cover to the frame. You'll hear and feel them release as you work.

    • Insert the long side of an opening pick between the top right corner of the back cover and frame.

    • Pry the back cover up to release the clips securing the top right corner.

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  6. Dell Latitude 7490 RAM Replacement, Release the clips: 步骤 5 中的图像 1，3 Dell Latitude 7490 RAM Replacement, Release the clips: 步骤 5 中的图像 2，3 Dell Latitude 7490 RAM Replacement, Release the clips: 步骤 5 中的图像 3，3

    • Slide the opening pick down the right edge and around the bottom right corner to release the clips.

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  7. Dell Latitude 7490 RAM Replacement: 步骤 6 中的图像 1，3 Dell Latitude 7490 RAM Replacement: 步骤 6 中的图像 2，3 Dell Latitude 7490 RAM Replacement: 步骤 6 中的图像 3，3

    • Slide the opening pick along the front edge and up to the top left corner to release the remaining clips securing the back cover.

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  8. Dell Latitude 7490 RAM Replacement, Remove the back cover: 步骤 7 中的图像 1，3 Dell Latitude 7490 RAM Replacement, Remove the back cover: 步骤 7 中的图像 2，3 Dell Latitude 7490 RAM Replacement, Remove the back cover: 步骤 7 中的图像 3，3

    • Remove the back cover.

    • During reassembly, lay the back cover on the frame and press down firmly around the perimeter to engage all the clips.

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  9. Dell Latitude 7490 RAM Replacement, Disconnect the battery: 步骤 8 中的图像 1，2 Dell Latitude 7490 RAM Replacement, Disconnect the battery: 步骤 8 中的图像 2，2

    • Grip the plastic tab on the battery connector and pull straight up to disconnect it.

    • During reassembly, align this connector over its socket and press down until it clicks into place. If it doesn't connect, re‑align it and try again.

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  10. Dell Latitude 7490 RAM Replacement, Remove the RAM: 步骤 9 中的图像 1，3 Dell Latitude 7490 RAM Replacement, Remove the RAM: 步骤 9 中的图像 2，3 Dell Latitude 7490 RAM Replacement, Remove the RAM: 步骤 9 中的图像 3，3

    • Two metal arms secure the left and right edges of each RAM module.

    • Simultaneously push the arms outward to disengage them.

    • The module should pop up at a slight angle.

    • Remove the RAM module.

    • Repeat the process for the second RAM module.

    • To install a RAM module, insert it into its socket at a slight downward angle and push down firmly until both metal arms lock the module in place.

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结论

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

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

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Spencer Day

于09/14/22注册

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