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Vista 64 bit OS did not accept the driver for the USB to DB25 parallel cable. Message says the driver must have a digital signature.

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Until a new version for 64-bit Vista comes out, there are two workarounds:
1. Boot Windows holding down the F8 key and select “Disable driver signature enforcement”. This will let you install unsigned drivers for that session.
2. Run cmd.exe as an administrator (right-click it to do this) and then type:
bcdedit -set loadoptions DDISABLE_INTEGRITY_CHECKS

post again if you have problems.--------- Please rate this solution.---------

Posted on Oct 11, 2008

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For a new computer, before you connect the printer's USB cable to the computer, download the full software package from HP's site: http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?lc=en&dlc=en&cc=us&product=4027469& . Select whether you have the 32-bit or 64-bit OS and click Next. Expand the section marked Driver and select the full software package. After downloading, install the software. You will need to accept the UAC warning.

When prompted to do so, connect the USB cable. If you do not install the HP software first, you will get a Windows generic driver that will let you print but not enable the other features of the all-in-one. The HP basic driver will work but won't let you launch a scan from the all-in-one.

If you are upgrading your OS, then it depends on the type of upgrade. From Vista to Win7, with matching versions (both 64-bit Home or both 32-bit Business/Pro), just make sure to install any updates. If you are doing a different upgrade, disconnect the USB cable and treat it as a new computer.

I hope this helps.

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Install Unsigned Drivers on Windows 7 & Vista with Driver Signature Enforcement...


Every time when we try to install any hardware drivers which are not signed by microsoft, Windows shows a warning of Unsigned driver dialog box. The reason of showing warning message is to protect the stability of your Windows operating system as such drivers are not passed in Microsoft windows driver compatibility test.
In Window XP you can still install unsigned drivers but in Windows Vista SP 1 and Windows 7 Microsoft has introduced very restricted module of driver signature enforcement which doesn’t allow us to install any incompatible unsigned drivers.
If you want to bypass or disable Unsigned Driver warning message then Here is small freeware utility Driver Signature Enforcement Overrider which allows you to install and load unsigned drivers dynamically on your Windows 7 and Vista.

Supported Operating System
1. Windows Vista 32-bit & 64 bit
2. Windows 7 32-bit & 64-bit
Download Drive Signature Enforcement Overrider 1.3b
Please Note: User Account Control (UAC) must be disabled in-order to use this tool.

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I need wiring diagram for a usb to parallel db25 female printer cable???? help


You cannot wire a USB serial cable to a parallel printer cable, but you can get a USB to parallel printer adapter cable.
Click on this link for details :-
http://www.techbuy.com.au/p/82381/Generic/USB-DB25.asp

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Drivers for TOSHIBA e-studio 161 MFP for VISTA 64 Bit O.S.


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if USB cable, currently only support until Vista 32bits.
But if running networking, Vista 64bits is supported.

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No olympus digital recorder vn2100pc vista 64 bit driver


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I ve just bought lexmark z2300 printer, how do i connect it to my laptop which is on wireless broadband with perlico? ta caroline.


You need to connect the printer with an extra cable which can join it through its 25 pin parallel cable. That cable then with USB end connect with the Laptop. and its drivers can be automatically detect by your Vista system.
For Vista 64-bit, the driver for printer and cable should be digitally signed.
Otherwise you need this method for Driver Installation in Windows Vista 64-bit:
The 64-bit version of Windows Vista is the first version of Windows that will only allow signed drivers and this restriction is built-in. For most cable drivers are unsigned and we request you to follow some prerequisites before installing the driver.
Preparing Vista 64-bit for Driver installation:
  • Using the F8 option: Press F8 key on your keyboard while booting your PC. You will get into “Advanced Boot Options”. Select “Disable Driver Signature Enforcement”
  • An F8 Advanced Boot Option introduced with Windows Vista—“Disable Driver Signature Enforcement”—is available to disable the kernel-signing enforcement only for the current boot session. This setting does not persist across boot sessions.
  • Note: Make sure to use F8 option every time you boot/reboot your PC before start working with MCS77XX.
  • Make sure that the User installing the driver must be a member of the Administrator group on the system. 
And for printer driver if you dont have CD then go through this link and follow the steps:
http://www.fixya.com/support/r1133275-drivers_installation_problem

Let me know if you need furhter assistance, I will help you to run your Printer with Laptop.

Regards,
Ellin

Oct 16, 2008 | Computers & Internet

1 Answer

Vista 64 bit OS says I must get a driver with a digital signature to install USB to DB25 parallel cable. The driver on the disc which came with the cable was not accepted by Vista.


1. Get a new signed driver from the adapter manufacturer.
2. Try the workarounds listed here: http://www.mydigitallife.info/2007/08/15/workaround-for-vista-cannot-load-low-level-driver-signing-issue/

For what it is worth, I generally found USB to parallel adapters worthless as most printers will not work with the adapter. Usually easier to get a new printer. If a desktop, get a parallel port expansion card.

Oct 11, 2008 | Computers & Internet

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