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DLPLCRC410EVM: "Discovery 4100 is not connected" (SO 411553)

Dan Lee
Prodigy 200 points
Part Number: DLPLCRC410EVM
Other Parts Discussed in Thread: DLPLCR70EVM,

Tool/software:

Hello TI Support Team,

Could you please kindly review the customer's issue below and advise? Thanks.

Per customer:

Hi, I'm using the DLPLCRC410EVM + DLPLCR70EVM setup and trying to display patterns via the D4100 Explorer GUI, but I keep getting the error message:
"Discovery 4100 is not connected"
 
Here’s what I’ve already confirmed:
USB Driver: "TI D4100 Explorer" shows correctly under Device Manager → Universal Serial Bus Controllers.
  • Power: D16 and D17 LEDs on the controller board are green.
  • SW1 DIP Switch: Switch 1 is set to ON (USB enabled).
  • DDC4100.ocx: Successfully registered via regsvr32, and placed in SysWOW64.
  • GUI: Running as Administrator.
 
Could you tell me why this problem is happening and how could I solve this? Thank you!
Best regards,
Dan Lee