Device connected but can't find /dev/fl2000

[Segilmez06]

I connected the device and checked the /dev folder after installing driver and rebooting PC. Then I can't find fl2000 (or sth like that) in /dev folder. What to do now?

dmesg :

[14397.604358] usb 2-1: new SuperSpeed Gen 1 USB device number 14 using xhci_hcd
[14397.624468] usb 2-1: config 1 interface 1 altsetting 0 has a duplicate endpoint with address 0x81, skipping
[14397.624476] usb 2-1: config 1 interface 1 altsetting 0 has a duplicate endpoint with address 0x1, skipping
[14397.624482] usb 2-1: config 1 interface 1 altsetting 1 has a duplicate endpoint with address 0x81, skipping
[14397.624487] usb 2-1: config 1 interface 1 altsetting 1 has a duplicate endpoint with address 0x1, skipping
[14397.624492] usb 2-1: config 1 interface 1 altsetting 2 has a duplicate endpoint with address 0x81, skipping
[14397.624496] usb 2-1: config 1 interface 1 altsetting 2 has a duplicate endpoint with address 0x1, skipping
[14397.624501] usb 2-1: config 1 interface 1 altsetting 3 has a duplicate endpoint with address 0x81, skipping
[14397.624506] usb 2-1: config 1 interface 1 altsetting 3 has a duplicate endpoint with address 0x1, skipping
[14397.624511] usb 2-1: config 1 interface 1 altsetting 4 has a duplicate endpoint with address 0x81, skipping
[14397.624515] usb 2-1: config 1 interface 1 altsetting 4 has a duplicate endpoint with address 0x1, skipping
[14397.624520] usb 2-1: config 1 interface 1 altsetting 5 has a duplicate endpoint with address 0x81, skipping
[14397.624524] usb 2-1: config 1 interface 1 altsetting 5 has a duplicate endpoint with address 0x1, skipping
[14397.624529] usb 2-1: config 1 interface 1 altsetting 6 has a duplicate endpoint with address 0x81, skipping
[14397.624534] usb 2-1: config 1 interface 1 altsetting 6 has a duplicate endpoint with address 0x1, skipping
[14397.624546] usb 2-1: New USB device found, idVendor=1d5c, idProduct=2000, bcdDevice= 2.00
[14397.624551] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0

lsusb :

Bus 002 Device 014: ID 1d5c:2000 Fresco Logic FL2000/FL2000DX VGA/DVI/HDMI Adapter
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f2:b67f Chicony Electronics Co., Ltd HP TrueVision HD Camera
Bus 001 Device 013: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 Device 012: ID 152d:2338 JMicron Technology Corp. / JMicron USA Technology Corp. JM20337 Hi-Speed USB to SATA & PATA Combo Bridge
Bus 001 Device 011: ID 258a:002a  
Bus 001 Device 010: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub