Sealevel Port Devices Driver Download For Windows



Dec 21, 2020 • Filed to: USB Recovery • Proven solutions

Have you ever had difficulty connecting your devices to your computer using a Prolific USB to Serial adapter? If yes you are lucky to find this page, it will give you all the information need to fix an unresponsive Serial driver adapter. You may have noticed a yellow exclamation mark hovering over or beside the USB to Serial Driver when searching your Device Manager and if you have we can all agree that it signifies a prevailing problem.

Overview of the Error

Download

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Driver

If you are not able to connect your device to your PC using a USB to Serial adapter it may be that

  • The USB driver is outdated
  • The USB Driver is missing
  • Or even a corrupted driver

While you can't be so sure what the exact problem is there are solutions you can adopt to fix the issue once and for all. Read on to find quick fixes to resolve the problem.

1# Fix Prolific USB to Serial Driver not Working

Solution: Roll your Prolific USB to Serial Driver back to an older version

Updating your drivers often work wonders for your system because it makes sure that it runs on the latest features that guarantee maximum functionality. Unfortunately updating your drivers can cause this kind of error especially if your latest update does not work too well with your hardware. Once you upgrade your PC to the latest Windows version your Prolific USB to Serial Driver also updates to the latest driver software and if the driver is not compatible with your Hardware issues may arise. To correct the error, you will have to download the driver again by following these steps.

  • Right-click on your PC Start button and open Device Manager
  • Double click LPT and COM ports then locate the Prolific USB to Serial Driver and right-click it so you can select Update Driver
  • For driver software click My computer
  • From My computer select 'Let me pick from a list of drivers available'
  • Choose an older version from the list then click Next
  • The driver you selected will be installed automatically
  • Once it has been downloaded reconnect the driver to see if it works.

2# Fix Prolific USB to Serial Driver 'Coder 10'

Devices

Driver issues reveal themselves in so many ways or through messages such as

  • This device will not start (Code 10)
  • There is no driver installed in this device
  • The driver was not successfully installed

A code 10 error may arise because the chip you are using is not an original one. If you are using a fake, the manufacturer has a way of disabling it due to copy write infringement and the copy write takes effect once you download a recent update. To protect your PC from getting this code, you will have to make sure that your Windows 10 never updates a driver without approval. Updates come in the form of 64 bit and 32-bit drivers. Below we will show you how to work your way around the problem.

Window 64 bit Fix

Sea

To fix Windows 64 bit OS including Prolific USB to Serial Adapter, follow through these steps.

  • Download 'PL2303_64bit_Installer.exe and Save
  • Remove every USB to Serial adapter from your PC and double click the 'PL2303_64bit_installer.exe
  • Follow the prompt by plugging in one USB to Serial adapter the click on Continue
  • Reboot your PC to get Windows up and running

If you have followed these process through and you still see the same error go to your device manager

  • Open the control panel and navigate to Device Manager
  • From your control panel navigate to the System category and click the Hardware tab
  • Scroll to the LPT/COM port and double click Prolific USB to Serial Comm Port
  • Click Drivers in the Properties section
  • The Driver you choose should read '3.3.2.102 with an appropriate date attached
  • If the date is wrong then it means the wrong driver was installed
  • Unplug the Serial adapter and run the steps again to install the correct driver
Sealevel Port Devices Driver Download For Windows

Window 32-bit

Sea Level Port Devices Driver Download For Windows 10

For Windows 32-bit OS systems follow these steps

  • You will have to download the 'PL-2303_Driver_Installer.exe and save from Microsoft download link
  • Run the program and eradicate the driver if you can
  • Run the installer once more to install a correct driver

Sea Level Port Devices Driver Download For Windows 8

To Troubleshoot for error if your device still does not work

  • Go to Control panel, enter System to access your Device Manager
  • Scroll down to the LPT/ COM port then double click Prolific USB to Serial Comm Port
  • Click Driver in the Windows Properties section
  • The driver must be numbered as '2.0.2.8' and dates accordingly

If the driver was not installed, remove the Serial adapter then run 'PL2303_Driver_Installer.exe' again. Follow directions in Device Manager to download the correct driver

The three solutions listed in this article have proven to be quite helpful in fixing a Prolific USB to Serial driver not working on Windows 10. They may appear confusing at first but if you follow each step in detail you can resolve the issue.

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asynchronous serial I/O products in LINUX, QNX, OS/2, and DOS. SeaCOM is included with each Sealevel Systems' UART based asynchronous serial I/O adapter purchased.

SeaMAC - Part# 6113 - Windows ACB Drivers
Sealevel Systems offers a family of developer oriented solutions for Windows known as SeaMAC (Sealevel Systems Media Access Control). This family of drivers has a common SeaMAC API (Application Programmer Interface) that is implemented in a Windows Dynamic Link Library. This API gives programmers access to our products from multiple Windows based development platforms such as Visual C++ and Visual Basic. Our goal is to provide the developer with a single, high-level programming interface that will function with a variety of Sealevel hardware products across several operating systems. SeaMAC currently supports the Advanced Communication Board (ACB) family of Synchronous communication cards. The Sealevel ACB Developer's Toolkit contains drivers, utilities, programming samples, and application notes for DOS and Windows operating systems to aid in the development of reliable applications and device drivers for the ACB family of communication adapters. Toolkits for Windows and DOS are included with each Zilog ESCC based Sync/Async adapter purchased. Various drivers are under development. Refer to the SeaMAC link above for details on supported drivers and operating systems.


SeaI/O - Part# 6114
- Windows 98/ME/NT/2000/XP and Linux Digital I/O Drivers
The SeaI/O software package is a Windows/Linux Developer s Toolkit for Sealevel Systems Relay and Digital I/O products. SeaI/O currently includes drivers for Windows 98/ME/NT/2000/XP and Linux. This family of drivers has a common SeaI/O API that is implemented in a Windows Dynamic Link Library. This API gives programmers access to our products from multiple Windows-based development platforms such as Visual C++ and Visual Basic. Our goal is to provide the developer with a single, high-level programming interface that will function with a variety of hardware products across multiple operating systems. SeaI/O provides simple output capability to control individual relays or groups of relays. SeaI/O also offers direct input and programmable timed monitoring of inputs with application event notification. Sample applications are included with source code to shorten development time. 3rd Party software installation whitepapers and Active X controls are included for various 3rd party software packages to simplify installation.


OS/COM - Part# 6410
The Sealevel OS/COM multi-port device driver provides the PC and Micro Channel based system with a software driver for use under OS/2 that directly supports up to 99 PCI or ISA serial ports. Programmable controllers, data entry terminals, timeclocks and any communications application running under OS/2 requiring multiple ports can benefit from the use of the OS/COM multi-port driver.

PCIO Disk - Parallel Software
The PCIO Disk is included with Sealevel serial/parallel and parallel interface cards. The serial/parallel disk includes our SeaCOM diskset as detailed above as well as demonstration programs for toggling the parallel port between input and output mode. The Sealevel parallel port products include the parallel port demonstration programs

PROM Disk - Solid State Disk Software -
Sealevel Systems includes a 'PROM Disk' with each solid state disk card. The PROM disk contains PKLOADER, our PROM programming utility. PKLOADER is intended for use with Promkit from Annasoft, a 3rd party disk emulation soft ware package. Promkit Allows diskless operation of PC and compatibles, provides disk emulation of floppy and hard drives A, B, C, and D, uses standard MS-DOS commands for PROM drive setup and installation, includes software diskettes and complete documentation materials, and supports page-mode EPROMs for minimum usage of PC memory address space. Click for more information on Promkit.