Monitor driver installation is completed.
When you can see "Digital Signature Not Found" on your monitor, follow these steps.
Choose "OK" button on the "Insert disk" window.
Click the "Browse" button on the "File Needed" window.
Choose A:(D:\Driver) then click the "Open" button and then click "OK" button.
Click "Start" , "Setting" , "Control Panel".
Double click the "Display" icon.
Select the "Settings" tab and click "Advanced Properties" button.
Choose "Monitor".
Click "Driver" and then click on "Update Driver..." then click on the "Next" button.
Choose "Display a list of the known drivers for this device so that I can choose a specific driver" then click "Next" and then click "Have disk".
Click the "Browse" button then choose A:(D:\Driver).
Click the "Open" button, then click "OK" button.
Choose your monitor model and click the "Next" button then click "Next" button. 
Click the "Finish" button then the "Close" button.
Click "Start" , "Setting" , "Control Panel".
Double click the "Display" icon.
Select the "Settings" tab and click "Advanced Properties" button.
Select the "Monitor" tab.
Click the "Change" button in the "Monitor Type" area.
Choose "Specify the location of the driver".
Choose "Display a list of all the driver in a specific location..." then click "Next" button.
Click the "Have Disk" button.
Specify A:\(D:\driver) then click "OK" button.
Select "Show all devices" and choose the monitor that corresponds to the one you connected to your computer and click "OK".
Continue choosing "Close" button and "OK" button until you close the Display Properties dialogue box.
Click "Start", "Settings", "Control Panel", and then 
In Display Registration Information window, click Settings Tab and then click "All Display Modes".
Select a mode that you wish to use (Resolution, Number of colors and Vertical frequency) and
LF19TRTLSH/EDC, LS19TRNLS/EDC, LS19TRTLSY/EDC, LS19TRTLS/EDC, LS17TRTLS/EDC specifications
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