Abnormal display of image appears to be frozen or stuck on the screen

ThinkPad T16 Gen 1
January 21, 2024 by
Abnormal display of image appears to be frozen or stuck on the screen
MEMORY BANK COMPUTERS LIMITED, ADRIAN HARLEY

Applicable Brands: ThinkPad

Applicable Systems:

  • T16 Gen 1 (Type 21BV, 21BW) Laptop (ThinkPad)
  • T16 Gen 1 (Type 21CH, 21CJ) Laptop (ThinkPad)

Abnormal display (Example A) or Image sticking (Example B) issues are observed on system LCD.  

  ​  ​Example A: Abnormal display ​         ​​           Example B: Screen garbage

Solution

The issue can be fixed by LCD FW update following below steps :

  1. Make sure system AC adapter is attached and battery capacity is above 25%
  2. Download the attached LCD FW package  (TVSU_Update.zip) , and extract the file into a local drive
  3. Run “ NVT_TVSU_Update.exe” to initiate the FW update
  4. FW update result is show as return code below : 
    • "0"    (Success)  FW update is success
    • "20"   (Fail)     FW update is NOT performed.  (No AC adapter is detected; Battery level is lower than 25%)

  *The FW update result can also be found in “NVT_TVSU_UPDATE_RESULT.txt” generated in the same folder

 

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