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.
- Recommended Resolution. Reinstall the device driver manually. From Start, search for device manager and select Device Manager from the results. Right-click the device in the list. Select Uninstall from the menu that appears. After the device is uninstalled, choose Action on the menu bar. Select Scan for hardware changes to reinstall the driver. Note You may be prompted to provide the path.
- Supra 4001 Fairview Industrial Dr SE Salem, OR 97302 Technical Support: (877) 699-6787. Click on the links below to download the drivers and software that you need.
Overview of the Error
If you are not able to connect your device to your PC using a USB to Serial adapter it may be that
All devices operating in MTP mode are supported. Note: The MTPdrive is not a replacement for the device's factory (or Windows default) device driver. You must be able to connect your device to the computer and have it visible in the Windows Explorer, before it.
- The USB driver is outdated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'
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
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
Window 32-bit
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
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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Korg USB-MIDI Driver for Windows XP
The first time you connect the Korg USB MIDI Device to the USB port of your computer, the default USB-MIDI driver for Windows will be installed automatically. If you want to use the Korg USB-MIDI Driver for Windows XP, use the following procedure to reinstall the driver.
The driver must be installed separately for each USB port you use. If you connect the Korg USB MIDI Device to a USB port different than the one you used when installing the Korg USB-MIDI Driver, you will need to reinstall the Korg USB-MIDI Driver using the same procedure.
- In order to install (or uninstall) the driver in Windows XP, you must have Administrator privileges. For details, contact your system administrator.
- If you encounter problems during installation, you may need to make settings so that Windows will not stop you from installing the driver due to its lack of a digital signature. For more information, see Allowing installation of an unsigned driver.
- This driver is for Windows XP and Windows XP x64 Edition only. It cannot be used in Windows 95/98/Me.
- Both 64bit application and 32bit application can't access MIDI IN ports of the same USB MIDI Device simultaneously.
- The driver for windows XP x64 Edition is a beta version. If any bugs are found, please report them to: unsupportedsoftwarebugreport@korg.co.jp.
We appreciate your bug reports so that we can refine our software in the future.
Please note that this address is for unsupported software only, so e-mail will NOT be responded to.
You can install/uninstall the Korg USB-MIDI Driver using the tools.
wInstalling the Korg USB-MIDI Driver using a tool
wUninstalling the Korg USB-MIDI Driver using a tool
If you want to install/uninstall the Korg USB-MIDI Driver manually, please see the following sections.
wInstalling the Korg USB-MIDI Driver manually
wUninstalling the Korg USB-MIDI Driver manually
n Installing the Korg USB-MIDI Driver using a tool
Use a USB cable to connect the Korg USB MIDI Device to your computer, and turn on the power of the Korg USB MIDI Device. Windows will detect the connection with the Korg USB MIDI Device. | ||
Excute EzSetup.exe. The list in the upper part of the window shows the KORG USB-MIDI devices that are currently connected to your PC. The lower area shows the software version of the KORG USB-MIDI Driver you are about to install. From the list, choose the KORG USB-MIDI device that is currently connected to your PC, and click Install. | ||
| If a dialog box appears, warning you that the driver is not digitally signed, click Continue Anyway. | ||
When the dialog box indicating that installation is completed appears, click Finish. If a dialog box recommends that you restart Windows, click Yes to restart. |
n Uninstalling the Korg USB-MIDI Driver using a tool
Supra Port Devices Driver Device
Excute UnInstDrv.exe. Click Next. | ||
A list of currently installed KORG MIDI devices will be displayed. Be aware that all MIDI devices with a check mark will be removed. Click Next. | ||
| A dialog box will ask you for confirmation. Click OK. | ||
| Click Finish to complete the procedure. To ensure that the driver removal has taken effect, restart Windows. |
n Installing the Korg USB-MIDI Driver manually
Use a USB cable to connect the Korg USB MIDI Device to your computer, and turn on the power of the Korg USB MIDI Device. Western digital mobile phones & portable devices driver. Windows will detect the connection with the Korg USB MIDI Device. | ||
From the taskbar, click Start and then click Control Panel to open the Control Panel. From the Control Panel, start up Sounds and Audio Devices, and click the Hardware tab. From the list of devices, select USB Audio Device. | ||
| The 'USB Audio Device Properties' dialog box will appear. Click the Driver tab, and then click the Update Driver button. | ||
| The 'Hardware Update Wizard' dialog box will appear. In the 'Can Windows connect to Windows Update to search for software?' field, click 'No, not this time' and then click Next. | ||
In the 'What do you want the wizard to do?' field, click 'Install from a list or specific location' and then click Next. | ||
| In response to 'Please choose your search and installation options, you must click 'Don't search. I will choose the driver to install', and then click Next. | ||
| In response to 'Select the device driver you want to install for this hardware,' click the Have Diskbutton. | ||
| You will be asked for the name of the folder. Insert the CD-ROM included with the Korg USB MIDI Device into your CD-ROM drive. Then type the name of the folder D:Driver that contains the KORG USB MIDI Driver, and click the OK button. This example is for when your CD-ROM drive is drive D. You will need to change this as appropriate for your computer system; for example, if your CD-ROM drive is drive E, then replace D: with E: in the folder name you type. | ||
| Make sure that the name of the Korg USB MIDI Device is displayed as the Model, and click Next to begin installing the driver. |
| |
| If a dialog box appears, warning you that the driver is not digitally signed, click Continue Anyway. | ||
| When the dialog box indicating that installation is completed appears, click Finish. If a dialog box recommends that you restart Windows, click Yes to restart. |
n Uninstalling the Korg USB-MIDI Driver manually
From the taskbar, click Start and then click Control Panel to open it. From the Control Panel, open Sounds and Audio Devices, and click the Hardware tab. From the list of devices, select the name of the Korg USB MIDI Device and click the Properties button. | ||
| The Korg USB MIDI Device Properties dialog box will appear. Click the Driver tab, and click the Uninstall button. | ||
| A dialog box will ask you for confirmation. Click the OK button. |
n Allowing installation of an unsigned driver
If your computer has been set so that drivers without a digital signature cannot be installed, you will not be able to install the Korg USB-MIDI Driver. Use the following procedure to change your settings so that you can install the driver.
Supra Port Devices Driver Vga
On the taskbar, click the Start button and then Control Panel to open the Control Panel. From the Control Panel, open System and click the Hardware tab. | ||
If What action do you want Windows to take? is set to Block, you will not be able to install the driver. Choose Ignore or Warn, and then click OK. If necessary, change this setting back to its original setting after you have installed the driver. |
Supra Port Devices Driver Updater
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