Audi Q7 2009 MMI system not powering up! Fault finding and repair. HD

Consider to support my channel and all the hard work put into it at http://www.patreon.com/LMAutoRepairs Thank you Hi This Q7 came to me with the MMI system completely dead! Once I found what was causing the non power up of the system, the system started to work, but the controller in the centre console did not... Follow me on this video to find out what was the problem and how to resolve it. NOTE THAT THE LINKS BELOW ARE FOR A QUICK REFERENCE ONLY! FEEL FREE TO DO YOUR OWN RESEARCH PRIOR TO HIT THE "BUY" BUTTON. Flux used: NC-559-ASM-UV https://www.amazon.co.uk/gp/product/B08B5B72FR/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B08B5B72FR&linkId=d641d94efbe4010790dbf682cf996178 To clean: Isopropyl Alcohol https://www.amazon.co.uk/gp/product/B082XQ4W4R/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B082XQ4W4R&linkId=766e529c62f4a09fc8fefa904059f74b Fiber Glass Cleaning Pen: https://www.amazon.co.uk/gp/product/B002Z8IX36/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B002Z8IX36&linkId=d8a970af6f256b8b36e233e6950fe7d4 Soldering Iron: Temperature controlled soldering station. https://www.amazon.co.uk/gp/product/B00T0M9XWK/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B00T0M9XWK&linkId=4ca9307086d5b8eee5159aeddb28ec9f Hot Air Gun Station: https://www.amazon.co.uk/gp/product/B08FTFFJ9Q/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B08FTFFJ9Q&linkId=bd296208099a06f57d573aed415e01f8 Desoldering Vaccum Station: https://www.amazon.co.uk/gp/product/B079ZC3WBC/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B079ZC3WBC&linkId=0d4239fa85d8462963dafb1bd2db9fd8 Remote Tester: https://www.amazon.co.uk/gp/product/B000ROAR9I/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B000ROAR9I&linkId=0efc4c3ebca8377c355bab234a5e9e42 https://www.amazon.co.uk/gp/product/B07GYFV2QS/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B07GYFV2QS&linkId=721181a14e684bf7b52775233a2efb8c Uni-T clamp meter: https://www.amazon.co.uk/gp/product/B00O1Q2HOQ/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B00O1Q2HOQ&linkId=cba4a06b0f987d8095ecea8035135f62 EEPROM Adaptor: https://www.amazon.co.uk/gp/product/B07FN1RPF2/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B07FN1RPF2&linkId=5d6c0a1907bfa1956f644bdc10f2385f X-PROG: https://www.amazon.co.uk/gp/product/B07YYYZFJK/ref=as_li_tl?ie=UTF8&tag=lmautorepairs-21&camp=1634&creative=6738&linkCode=as2&creativeASIN=B07YYYZFJK&linkId=000197ef8f3763701eb007b6b3c5608b Hope you enjoy the video. Any questions or comments put them below. Like always, thank you for watching!