5 Troubleshooting
5.1 Microsoft Windows 7 Manual Driver Installation
This section outlines the manual driver installation process. If you are using Windows 7 or if the Windows device
manager shows 2 USB Serial Devices under
other devices
as shown in
when the EVM is plugged
in instead of COM ports, please use the following steps to correctly install the USB drivers. If two
USB Serial
Device
devices show up as COM ports automatically (as is the case with Windows 10), then this section can be
skipped.
Figure 5-1. OPT4001YMNEVM on Microsoft
®
Windows
®
7 With Drivers not Installed
1. Open the device manager.
2. Right click on
USB Serial Device
and select Properties.
Troubleshooting
28
OPT4001YMNEVM User's Guide
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