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| == Driver Compatibility: ==
| | {{Migrating|https://smartpossdk.gitbook.io/cloudpossdk/faq/usb-serial-port/reinstall-production-serial-drivers}} |
| This guide covers the installation of serial port drivers for the Q1, Q2, and Q3 series production models.
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| == Driver Downloads: ==
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| * '''For Windows 7 and Windows 10:'''
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| ** [http://ftp.wizarpos.com/device/q1_user_serialport_win7&win10.zip Download Driver for Windows 7 and 10]
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| * '''For Windows XP:'''
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| ** [http://ftp.wizarpos.com/device/q1_user_serialport_windowsxp.rar Download Driver for Windows XP]
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| * '''For Ubuntu:'''
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| ** [http://ftp.wizarpos.com/device/qcomusbserial.tar.gz Download Driver for Ubuntu]
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| == Specifications: ==
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| Detailed specifications for installing the serial port driver for production models Q1/Q2 can be found [http://ftp.wizarpos.com/Q1user_usbdriver_forusingserialportinPC.pdf here].
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| == Frequently Asked Questions (FAQ): ==
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| '''Issue: Driver Signature Error in Windows 7'''
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| *'''Problem Description:'''
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| In some Windows 7 systems, especially after 2018, installing drivers might result in a yellow exclamation mark in the device manager with the error message: "The digital signature of the driver required for this device cannot be verified, code 52." This issue occurs due to the lack of a system security patch supporting SHA256 signatures.
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| * '''Solutions:'''
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| # '''For Windows 7 without SP1:'''
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| #* Download and update the patch KB976932: [https://www.catalog.update.microsoft.com/Search.aspx?q=KB976932 KB976932 Patch]
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| #* Proceed to install the driver, then goto step 2.
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| # '''For Windows 7 with SP1:'''
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| #* Download and update the patch KB4474419: [https://www.catalog.update.microsoft.com/search.aspx?q=KB4474419 KB4474419 Patch]
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| #* Then proceed to install the driver.
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| For further information or assistance, please refer to our detailed documentation or contact our technical support team.
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