TECHNICAL SOLUTIONS

Lenovo Ideapad V340-17IWL – Heavy like a stone but almost nothing inside. And Why is it bootlooping?

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Social Media:

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Instagram: fairrepair2022

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Find me in the repair communities:

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Badcaps Forums: https://www.badcaps.net/forum/member.php?u=328836

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Tools:
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Microscope: Eakins 1080P 48MP 180x with big stand and 0.5x Barlow lense
(I recommend lower magnification for increasing working distance) https://s.click.aliexpress.com/e/_DnsFrXv

Hot-Air Station: ATTEN ST-862D 1000W – https://amzn.to/3Pn4QXY

Soldering Station: KSGER T12 75W – https://s.click.aliexpress.com/e/_DmcdAvh

Multimeter: AstroAI DM6000AR – https://amzn.to/3r02KE9

Bench Top PSU: Rockseed RS310P 10A – equivalent: https://amzn.to/3P0BcXj

Thermal Camera: Infiray P2 Pro 256×192 – https://amzn.to/3qYOT0L

iFixit Pro Tech Tool Set – https://amzn.to/44LfNXM

USB-C Meter: Makerfire FNC88 – https://amzn.to/44IT0vV

Preheater: Gordak 853 650W – https://s.click.aliexpress.com/e/_DllG0MJ

Oscilloscope: Hantek DSO5102P 2Ch 100Mhz – https://s.click.aliexpress.com/e/_DCnejH9

Multimeter Probes: BST-050-JP – https://s.click.aliexpress.com/e/_DdEQSYB

Tweezer: Mechanic Aac-14 – https://s.click.aliexpress.com/e/_DcfGeMR

Solder: https://s.click.aliexpress.com/e/_DFRcbOn

Flux: Genuine Amtech NC-559-V3 – equivalent: https://amzn.to/3Lbr2SB

Wick: Mechanic R300 2.5mm – https://s.click.aliexpress.com/e/_Dk9IDwP

UV Soldering Mask – https://amzn.to/3r5XsXS

UV curing lamp – https://s.click.aliexpress.com/e/_DljaGsJ

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Recording equipment:
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Camera Top Bench and Microscope area: Logitech BRIO 4K – https://amzn.to/44FKyxt

Camera Face: Microsoft Modern Webcam – https://amzn.to/3r5oDBR

Microphone: MOVO WMX-1 – https://amzn.to/45E8YbJ

Software: OBS Studio (recording) & DaVinci Resolve + Microsoft Paint.net (Editing) – FREE

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9 thoughts on “Lenovo Ideapad V340-17IWL – Heavy like a stone but almost nothing inside. And Why is it bootlooping?

  • The actual repair has been done on the BIOS. Would be interesting to know, what exactly has been done with the BIOS, just CleanME or more?

  • Do these lenovos no longer have USB bios recovery methods? Most machines I've come across have at least some method in the documentation for doing so. Generally a specifically formatted USB key (Fat32, or exFAT) with the bios file renamed and placed right on the root of the drive, and then holding a certain combination of keys. Grabbing the latest from the website and doing that seems much easier than un-soldering the chip and reading it/rebuilding manually.

  • at least it is not a nasty hidden short between drain and gate for low side ram mosfet lol btw you and i worked on it some time ago and thank you for help

  • Excelent repair now you give me hope for some repair I have. Thank you for sharing your knowledge.

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