Monday, October 08, 2012

SAMSUNG - GY-15CS _ TFT-LCD MONITOR_ NO VIDEO SYMPTOM AT 'DVI' SIGNAL _[FOR ALL MODELS] _ Driver download process.




  • LCD monitor could have "No Video" symptom at 'DVI' signal connection.
Root Cause:
  • Compactability problem with Windows XP OS and nVIDEA Video Card [Not monitor defect].
  •  nVIDEA Video Chip generates abnormal sync at Windows XP OS very randomly.
  • This abnormal signal could change EDID data of monitor. [Writing sync].
  • In this case, PC cannot recognize monitor, so cut video signal. [No Video Symptom]
Solution:
  • Input Digital DDC data and upgrade Video Card Driver after download nVIDEA website as below process.
*Service Center: DDC input => Customer: Driver upgrade.

*Driver download process.
  1. Visit "www.nvidea.com' site.
  2. Click the "download drivers" menu on the upper screen menu bar.
  3. "Download steps" screen will be open.
  4. Choose 'Graphic Driver" on step-1.
  5. Choose "GeForce and TNT 2" for GeForce and TNT 2 chip type graphic card users. <Almost user for nvidia uses GeForce and NT 2 chip type graphic Card> Choose "Qudro" for Qudro chip type Graphic Card users.
  6. Choose the correct Windows OS which customer use on step-3. The click 'Go' button which is located on lower end screen.
  7. Click "Primary Download Site" in download page.
  8. 'Licence fro customer ..." will be open and then click "Accept" button which is located on lower end of the screen.
  9. Click 'Save' button one "File download" window then file downloading is proceed.


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