Make sure the HL-340 is correctly connected to a working USB port on your computer. Please try the following troubleshooting steps: What does this mean?Ī3: If the LED indicators are not lit up, it indicates that the HL-340 is not receiving power. Q3: The HL-340 LED indicators are not lit up. Try using a shorter and good-quality USB cable for reduced signal loss. Ensure that the connected device (e.g., serial device or equipment) can handle higher data rates. Confirm that the HL-340 driver is up to date. Check if the USB port you are using supports USB 2.0 for higher transfer rates. How can I resolve this?Ī2: To improve data transfer speed, you can try the following troubleshooting steps: Q2: I am experiencing slow data transfer speed with the HL-340. Restart your computer and check if the device is recognized. Try connecting the HL-340 to a different USB port to rule out port-related issues. Check if the HL-340 driver is properly installed on your computer. Ensure the HL-340 is securely connected to the USB port. What could be the issue?Ī1: There are a few potential causes for this issue. Q1: My computer is not recognizing the HL-340 USB to Serial converter. LED indicator for power and activity status Power: Bus-powered, no external power supply required Below you can download usb to serial hl-340 driver for Windows.Īntivirus software passed: Avira ver 3.82
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