Repair LG 31MU97-B, No Power and No Screen. Corrupted Firmware ISSUE.

Repair LG 31MU97-B, No Power and No Screen. Corrupted Firmware ISSUE.
[Tools]
Soldering Station: HAKKO FX-951 (amzn.to/2BjK84A)
Hot Air Station: BEST BST-863 (www.banggood.c...)
DC Power Supply: KENWOOD PDS36-10 (www.texio.co.j...)
-DC Power Supply Accessory (amzn.to/2MIJrag)
Digital Multimeter: Tonghui TH-1941 (www.tonghui.com...)
Microscope: 34MP Microscope Camera (www.banggood.c...)
Silicon Mat: Silicon Working Mat 500C (amzn.to/2qj33tX)
Screwdrivers: XIAOMI Wowstick 1F+ (www.banggood.c...)
PCB Fixture Holder:BEST BST-001E (www.banggood.c...)
Solder Wire: Almit KR-19RMA 0.5MM (amzn.to/2Bf6y6W)
Solder Wick: goot CP-20B (amzn.to/2OWmovk)
Flux: AMTECH NC-559-ASM (www.banggood.c...)
Wiper: Kimwipe M-150 (amzn.to/2VNznAL)
Alchole: IPA (amzn.to/2IXQZVq)
SPI ROM Writer: CoRight SkyPRO (amzn.to/2MQE8FR)
Antistatic Band: Hozan F-142 (amzn.to/33DJjzM)
All Musics from incompetech.com (Royalty Free)
"Airport Lounge", "Apero Hour", "Awesome Call", "Backbay Lounge", "Backed Vibes", "Bass Soli", "Bass Vibes", "Bass Walker", "Bossa Antigua", "Cool Vibes", "Crinoline Dreams", "Deuces", "Dispersion Relation", "George Street Shuffle", "Got Funk", "Hard Boiled", "Hep Cats", "Hot Swing", "In Your Arms", "Intractable", "Jazz Brunch ", "Just As Soon", "Leopard Print Elevator", "Local Forecast", "Lobby Time", "No Good Layabout", "Night on the Docks - Sax", "Nouvelle Noel", "Off to Osaka", "On the Cool Side", "Opportunity Walks", "Over Under", "Poppers and Prosecco", "Samba Isobel", "Shades of Spring", "Sidewalk Shade", "Smooth Lovin", "Spy Glass", "Ultralounge", "Vibe Ace"
Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
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