![]() ![]() Then click the 'OK' button to install the driver. Yuo can do this by following these steps:Ģ) Open up device manager and locate the cable in the list which should be listed as 'Prolific USB-to-Serial Comm Port (COMx)'.ģ) Right-click on it and then select 'Uninstall device'Ĥ) This next bit is important - make sure that the 'Delete the driver software for this device' check box is checked.ħ) If Windows attempts to reinstall the wrong driver again just repeat the above steps until it can no longer find a driver.Ĩ) Next, right click it again and this time select 'Update driver'ĩ) In the window that opens up select 'Browse my computer for driver software'ġ0) In the new window that opens up click the browse button and then browse to wherever you unzipped the downloaded drivers.ġ1) Select the folder (note that sometimes there may be another folder inside your unzipped folder, if so then select that one - it needs to the actual folder that the. You'll need to completely remove all copies of this version before you can install the one provided in this forum. Unfortunately the driver supplied by the Windows update process is broken. Windows has determined that the best driver for this device is already installed. I can't open the folder to see files though. ![]() If I try to update the driver I get to the folder (which I unzipped to my desktop). I'm trying to do the update described here ( I have the warning yellow thingy on the com port (Prolific USB-to-Serial Comm Port (COM6))with an event: Maximum is 2048 bytes.Īvrdude: stk500_recv(): programmer is not respondingĪvrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x56Īvrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x56 This should now force the correct driver to install.įor older versions of Windows please use the latest version of the driver available from the Prolific website here:Ĭode: Select all Global variables use 25 bytes (1%) of dynamic memory, leaving 2023 bytes for local variables. In this windows select the driver version 3.3.2.102 dates and then click next. In the new windows that opens up select 'Let me pick from a list of device drivers on my computer'Īnother window will open. Right-click the entry in device manager and in the window that opens up select 'Update driver software'.Ĭlick the second option (Browse my computer for software). If you see a yellow caution symbol beside the entry do the following steps to force windows to install the correct driver: In some cases Windows may automatically install the latest driver instead. Once installed you should see the cable appear as 'Prolific USB-to-Serial Comm Port (COMx)'. Next open up device manager and plug in the USB cable. To install the driver unzip the folder and right click the ser2pl.inf file and select 'install' from the context menu. ![]()
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