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Screen freeze

BillBot

Member
Aug 16, 2019
86
24
Birmingham
I had a screen freeze today whilst reversing and had to reboot on the move which was slightly unnerving. I was trying to work out if there were any controls on the screen that would be essential to driving and headlights were all I could think of. I have them on auto, so do they stay on when you do a reboot (it was still light when it happened)?

Also, I have to say the emergency lane departure seems very over sensitive. It was activated when I was miles away from a parked car. Hopefully this will improve.
 

Astrid

Member
Apr 25, 2017
151
145
Jisp
BEA6F2AE-85D4-47E0-95C6-4FBFD4ADE101.jpeg Yes, more often. This morning in stead of freeze a colored screen. Disappeared after reset
 
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Krash

Data Technician
Supporting Member
Apr 18, 2017
1,953
2,128
Intermountain US
If your car is a pre spring 2018 S/X then screen freezes are a symptom that your old MCU1 may soon die. See Preventive eMMC replacement on MCU1 and related threads.

Best practice for MCU1 units having eMMC problems is to turn off scheduled charging when you are going to be too far away from the service center to get there without recharging, since with scheduled charging off you will likely be able to charge without the MCU. Also, before you reach warranty end (for time or mileage), pull the MCU1 and have a mobile repair shop pull the eMMC chip. Get it cloned onto a compatible larger size chip and re-soldered before reinstalling. That should buy you another decade of MCU usage.

I have clarified this post for Rob R who considered the original spam.
 
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Reactions: Rob R

Rob R

Member
Oct 7, 2017
307
159
Dundee, Scotland
Your MCU1 is likely soon to die. Best practice is to turn off scheduled charging when you are going to be too far away from the service center to get there without recharging, since with scheduled charging off you will likely be able to charge without the MCU. Also, before you reach warranty end (for time or mileage), pull the MCU1 and have a mobile repair shop pull the eMMC chip. Get it cloned onto a compatible larger size chip and re-soldered before reinstalling. That should buy you another decade of MCU usage.
This is in effect spam, if you have a Model 3 from this summer, just ignore it. (If you have a Model S, several years old, may be worth reading).
 

ewoodrick

Well-Known Member
Apr 13, 2018
5,285
3,735
Buford, GA
I believe that you may find that a screen lockup has very little to no impact on the car's operation.
If Autopilot is on, the car will continue to keep driving.
 

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