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

1. Drivers Scilog Port Devices Terminal
2. Drivers Scilog Port Devices Gigabit
3. Drivers Scilog Port Devices Replicator

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.

Having an issue with your display, audio, or touchpad? Whether you're working on an Alienware, Inspiron, Latitude, or other Dell product, driver updates keep your device running at top performance. Step 1: Identify your product above. Step 2: Run the detect drivers scan to see available updates. Step 3: Choose which driver updates to install. The serial port ttySx (x=0,1,2, etc.) is major number 4. You can see this (and the minor numbers too) by typing: 'ls -l ttyS.' in the /dev directory. To find the device names for various devices, see the 'devices' file in the kernel documentation. There formerly was a 'cua' name for each serial port and it behaved just a little differently.

Overview of the Error

Drivers Scilog Port Devices Terminal

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• The USB driver is outdated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'

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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If you are developing on Windows and want to connect a device for testing,then you need to install the appropriate USB driver. This pageprovides links to the web sites for several original equipment manufacturers (OEMs),where you can download the appropriate USB driver for your device.

If you're developing on Mac OS X or Linux, then you shouldn't need a USB driver.Instead read Using Hardware Devices.

To connect and debug with any of the Google Nexus devices using Windows, youneed to install the Google USB driver.

Install a USB driver

First, find the appropriate driver for your device from the OEM driverstable below.

Once you've downloaded your USB driver, follow the instructions below to install or upgrade thedriver, based on your version of Windows and whether you're installing for the first timeor upgrading an existing driver. Then see Using Hardware Devices forother important information about using an Android device fordevelopment.

Caution:You may make changes to android_winusb.inf file found insideusb_driver (for example, to add support for other devices),however, this will lead to security warnings when you install or upgrade thedriver. Making any other changes to the driver files may break the installationprocess.

Windows 10

To install the Android USB driver on Windows 10 for the first time, do the following:

1. Connect your Android device to your computer's USB port.
2. From Windows Explorer, open Computer Management.
3. In the Computer Management left pane, select Device Manager.
4. In the Device Manager right pane, locate and expand Portable Devices or Other Devices, depending on which one you see.
5. Right-click the name of the device you connected, and then select Update Driver Software.
6. In the Hardware Update wizard, select Browse my computer for driver software and click Next.
7. Click Browse and then locate the USB driver folder. For example, the Google USB Driver is located in android_sdkextrasgoogleusb_driver.
8. Click Next to install the driver.

Windows 8.1

To install the Android USB driver on Windows 8.1 for the first time, do the following:

1. Connect your Android device to your computer's USB port.
2. Access search, as follows:

   Touch screen: On your computer, swipe in from the right edge of the screen and tap Search.

   Using a mouse: Point to the lower-right corner of the screen, move the mouse pointer up, and then click Search.

3. In the search box, type into and then click Device Manager.
4. Double-click the device category, and then double-click the device you want.
5. Click the Driver tab, click Update Driver, and follow the instructions.

Windows 7

To install the Android USB driver on Windows 7 for the first time, do the following:

1. Connect your Android device to your computer's USB port.
2. Right-click on Computer from your desktop or Windows Explorer, and select Manage.
3. Select Devices in the left pane.
4. Locate and expand Other device in the right pane.
5. Right-click the device name (such as Nexus S) and select Update Driver Software. This will launch the Hardware Update Wizard.
6. Select Browse my computer for driver software and click Next.
7. Click Browse and locate the USB driver folder. (The Google USBDriver is located in android_sdkextrasgoogleusb_driver.)
8. Click Next to install the driver.

Drivers Scilog Port Devices Gigabit

Or, to upgrade an existing Android USB driver on Windows 7 and higher with the newdriver:

1. Connect your Android device to your computer's USB port.
2. Right-click on Computer from your desktop or Windows Explorer, and select Manage.
3. Select Device Manager in the left pane of the Computer Management window.
4. Locate and expand Android Phone in the right pane.
5. Right-click on Android Composite ADB Interface and select Update Driver. This will launch the Hardware Update Wizard.
6. Select Install from a list or specific location and click Next.
7. Select Search for the best driver in these locations; uncheckSearch removable media; and check Include this location in thesearch.
8. Click Browse and locate the USB driver folder. (The Google USBDriver is located in android_sdkextrasgoogleusb_driver.)
9. Click Next to upgrade the driver.

Get OEM drivers

Drivers Scilog Port Devices Replicator

If you don't see a link for the manufacturer of your device here, go to the support section of the manufacturer's website and search for USB driver downloads for your device.