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Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7

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  1. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, Rear Case Screws: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, Rear Case Screws: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Removing 10x Case screws

    • Use a PH#1 driver or bit to remove the 9, 7.5mm, M2 screws

    • Remove, 4, PH#1, 4.5mm, m2 screws.

  2. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, Removing case back.: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, Removing case back.: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, Removing case back.: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • insert your jimmy tool vertically in the gap between the side a buttom pannel

    • Use a gentle twisting pressure to create a gap for a plastic opening pick or spudger

    • pry the borders of the back pannel

    • You can gently lift the bottom-most section to assist in separation

  3. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, Removing case back.: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • remove the back case

  4. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, disconnect the battery: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, disconnect the battery: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • disconnect the battery before proceeding

  5. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • remove the 8 ph#1 bit screws from the battery

    • set the battery aside

  6. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, m.2 card removal: crwdns2935265:06crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, m.2 card removal: crwdns2935265:06crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, m.2 card removal: crwdns2935265:06crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • remove 1 more ph1 screw from the m.2 braket

    • lift the bracket and card out gently

    • When reinstalling a m.2 card, insert it into the socket at a 45-degree angle, then tilt it flat with the board by gently pressing the back of the card into place.

  7. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, cmos battery disconnect: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • this step is optional

    • removing and reinstalling the CMOS battery will cause a warning on boot however, this step can reset any firmware-related issues. simply press enter to boot past the warning message.

    • CMOS battery removal is a common trouble shooting step as it can solve many software-related failure modes.

  8. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, undo antena cables: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • remove the black and white antenna wires from the fan shroud

  9. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, wifi card: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • unplug the black and white antenna cables from the wifi card

    • unscrew the single ph1 screw from the m.2 wifi card

  10. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, cooler fan: crwdns2935265:010crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, cooler fan: crwdns2935265:010crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, cooler fan: crwdns2935265:010crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • unplug the fan connector

    • unscrew 3 ph1 screws from the fan assembly

    • gently pry away the blower fan

  11. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, practice good maintenance: crwdns2935265:011crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, practice good maintenance: crwdns2935265:011crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • you got that sucker out clean it up real good.

  12. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, ram removal: crwdns2935265:012crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, ram removal: crwdns2935265:012crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7, ram removal: crwdns2935265:012crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • remove the ram cover sticker

    • the next parts of this step are optional

    • remove dram

  13. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7: crwdns2935265:013crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Insert wisdom here.

  14. Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7: crwdns2935265:014crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7: crwdns2935265:014crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Full teardown. Lenovo IdeaPad 3-15IAU7 Lenovo IdeaPad 3-15IAU7: crwdns2935265:014crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • clean off the thermal paste with 99% isopropyl alcohol & a q tip

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Guide written by Daniel Layman, CEO & co-owner of Advanced Device Repair, LLC

DanielAdvancedDeviceRepair

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