1.    25 Dec 2015 #1
    Join Date : Oct 2014
    Posts : 316
    Windows 10 Pro x86 and x64 dual boot

    LPT driver broke in 1511

    For anyone using the parallel port on their computer for a printer or other device like a lot of restaurants use the printer option, the driver has been broken on the 1511 update.


    Enable Legacy PNP devices in the port properties in device manager.


    disable and reable the port in device manager


    create a log on script that disables and enables the port using devcon.exe from Windows Driver Kit.

    The workaround lasts as long as you dont reboot, if you do the workaround has to be re-applied.

    More detail in this thread http://answers.microsoft.com/en-us/w...90c24a6?page=2
      My System SpecsSystem Spec

  2.    20 Jan 2016 #2
    Join Date : Jan 2016
    Posts : 1
    Windows 10

    Quote Originally Posted by banger View Post
    For anyone using the parallel port on their computer for a printer or other device like a lot of restaurants use the printer option, the driver has been broken on the 1511 update.
    I certainly wished I had been aware of this before upgrading my father's computer to Windows 10. The upgrade implements the 1511 update now, so it has this problem. I had assumed it was a problem with the drivers for the printer. instead.

    Anyway, if you want to reset the LPT port using the Device Manager each time you boot your computer, probably the easiest way to do it is to go to the "Resources" tab for the LPT port in the Device Manager and un-check, then check (or visa-versa) the "Use automatic settings" toggle, then click "OK". To make it easier on my father, I implemented the script provided by DAC324 in the page banger linked to in the previous post. In my case, the script was as follows:

    @echo offcd /d %~dp0
    devcon disable *PNP0400
    timeout /t 1 > nul
    devcon enable *PNP0400

    I obtained
    devcon.exe by downloading and installing the Windows 10 Driver Kit (WDK). The file was saved in one of the subfolders of the "tools" folder. As DAC324 suggested, I scheduled the script to run upon Windows login. It seems to work so far.
      My System SpecsSystem Spec


Similar Threads
Thread Forum
Solved Build 1511 breaks HP DeskJet 710C driver
Hp broke the x64 driver for win 8.1, seems now after working fine on win 10 32 bit for months build 1511 has broken the 32 bit driver, not the printer as it still works on a dual XP boot, what are they playing at?
Drivers and Hardware
System unusable after "successful" 1511 (1115, 1511, whatever) upgrade
Be kind, I'm more than a little stressed at the moment... I did a stupid thing. When I upgraded all 5 computers here to Windows 10 several months ago, it went SO WELL I figured doing the November upgrade yesterday would be a snap. Stupid,...
Installation and Setup
1511 Broke my Conexant Driver - Any way to FIX?
gang I had a perfectly running ASUS Zenbook UX305FA - first device i've had for which the Conexant audio driver would work consistently. Until 1511 came to town. Now broke again. The temp solution is to uninstall it in favor of generic High Def...
Drivers and Hardware
1 more time: Build 1511, is there ANY WAY to block Win Updates driver
any way to block/defeat/pre-empt Windows Update from aggressively clobbering my device drivers? Build 1511 broke a couple things as is obvious from the threads posted on this folder
Drivers and Hardware
W10 Reset pretty much broke my pc
So upgrading went good, my problems started when I used the reset option on my computer. the first time the reset froze at 99% and I went to bed with it going, 5 hours later it was stuck on a black screen so I rebooted and was able to get a...
Installation and Setup
Our Sites
Site Links
About Us
Windows 10 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 10" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd
All times are GMT -5. The time now is 21:31.
Find Us
Twitter Facebook Google+

Windows 10 Forums