![]() Once you download and run the utility, it will scan for out-of-date or missing drivers: It will Update all of your drivers in just a few clicks, and even backup your drivers before making any changes. The Driver Update Utility automatically finds, downloads and installs the right driver for your hardware and operating system. ![]() Automatic updates could save you hours of time. If you are having trouble finding the right driver, stop searching and fix driver problems faster with the Automatic Driver Update Utility. Many device drivers are not updated through the Microsoft Windows Update service. Visit our Driver Support Page for helpful step-by-step videos Install Drivers Automatically In most cases, you will need to reboot your computer in order for the driver update to take effect. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.Ĭlick the Update Driver button and follow the instructions. In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager It allows you to see all of the devices recognized by your system, and the drivers associated with them. To install a driver in Windows, you will need to use a built-in utility called Device Manager. Have use a lot of different brands of USB-Serial-Adapters and some just don't work for certain things.Once you download your new driver, then you need to install it. I would lean more towards #1 or #2 being the problem. I would uninstall the old driver first, reboot, then try this one. It would install and look fine, but would get consistent output to the serial device. I have had problems when the right driver was not installed. Try This Driver as it looks like the adapter is based on the Prolific chipset, which a lot of USB-Serial-Adapters use.USB-Serial-Adapters internals are much faster with data than a normal serial port, and I've seen on occasion where turning those values down can help alleviate problems. After you check/change the settings in device manager for the com port, on the "Port Settings" tab, go to "Advanced" and turn the "Receive Buffer" and "Transmit Buffer" down to the low setting.Not knowing what scales you have, it's hard to know. Some serial scales when viewing from a terminal window, require a command entered for them to return the weight. ![]() What brand of scales are these? Have you talked to the manufacturer to make sure those com port settings are indeed correct? ![]() Device Manager-Ports(Com & LPT)-Properties of your Com Port-Port Settings tab Have you checked the Com port settings in device manager? The adapter probably installed at a default settings of 9600/n/8/1, where you need 2400/E/7/2 (2400 baud rate, even parity, 7 data bits, 2 stop bits) The adapter in device manager should read 2400/E/7/2 as well. See if you can find a computer with a real serial port, and check the scales there. Try the same adapter on another computer maybe a different OS if you can. Some of those adapters the drivers/chip-set can be weird and not allow some types of devices to work correctly.
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