Why does my Startech PCI card not install?

I installed a Startech PCI serial card in a slot in my Dell Optiplex 960 desktop running Windows 7 Professional 64-bit.   I downloaded the drive from the Starctech website but when I try to  install it, it says "installation is aborted".
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JohnBusiness Consultant (Owner)Commented:
From this Star Tech Help for a PCI serial card, it suggests new drivers. Did you try that?

Is there a different or more advanced way to install my serial card in Windows Vista / 7 / 8 / 10?

Before you install the device, make sure that your operating system is current (for example, the most recent service pack is installed).

Download the latest drivers from the StarTech.com website at http://www.startech.com/Support. The part number and product ID are on the product packaging.

Note: Windows usually saves the files to the Downloads folder that is associated with your user account (for example, C:\Users\your_name\Downloads).

After the download is complete, right-click the zip folder that you downloaded, click Extract All, and complete the instructions.
Press the Windows key + R, type devmgmt.msc, and press Enter to open the Device Manager.

Right-click PCI Serial Port, which will have a “!” or “?” next to it to indicate a driver issue.

Click Update Driver.

Click Browse my computer for driver software.

Select the Let me pick from a list of device drivers on my computer option.

On the Select your device’s type from the list below screen, click Show All Devices, and click Next.
Note: The Select your device’s type from the list below screen does not appear on all systems. If you do not see this screen, skip this step.

Select the Have Disk option.

Browse to the Drivers folder and open the 32-bit or the 64-bit folder, depending on your system type.

Note: To view your system type, press Windows key + R, type control /name microsoft.system, and press Enter.

Click the StnMF file or the NmXpMf file (only one of the file names is displayed). Click OK, and then click Next.

The COM ports are listed in Device Manager under Ports (COM & LPT). Repeat steps 4 to 11 for each of the COM ports, selecting the StnPorts file or the NmPorts file in step 11.
DoctorK12008Author Commented:
There is only one COM port (COM1), presumably the one on the motherboard.   There is a parallel printer port.   Could it be that it is not recognized in the BIOS?
JohnBusiness Consultant (Owner)Commented:
If the option (Serial Port) was disabled in the BIOS, you should be able to go to BIOS and enable the serial port.

Here is a guide to help with this:

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Dr. KlahnPrincipal Software EngineerCommented:
I take it that the Windows automatic driver installation failed.  I've found this to be the case more and more over the last few years; apparently Microsoft has dropped all support for the automatic driver install process under W7.


Install the card in the system.

Bring up the Device Manager.  Look for the device in the list; it should show up as yellow-flagged.

Right click on the device, bring up the Properties window.  Look on the Details tab and bring up "Device Instance ID".  Record the string shown in the window that begins with "PCI".  Record the VEN, DEV and SUBSYS fields as seen in the example below.  This will allow us to locate a non-Startech driver if one is available.

Device instance ID
DoctorK12008Author Commented:
There is no "Device Instance ID".   The closest I can find is "Device Instance Path" as in the attached file.   For some reason, the driver from the Startech website does not install.

I installed a Startech PCI serial card in a slot in my Dell Optiplex 960 desktop running Windows 7 Professional 64-bit.   I downloaded the drive from the Starctech website but when I try to  install it, it says "installation is aborted".
JohnBusiness Consultant (Owner)Commented:
I would contact Star Tech Support as there may be some other issue with their card preventing Install that is not documented
Dr. KlahnPrincipal Software EngineerCommented:
After searching around and googling a bit, it appears that there's no Windows 7 driver for this device.  MOSChip, for whatever reason, didn't release one.

However, there is a Vista 64-bit driver at the link below that might work.  I've had reasonably good luck with Vista drivers on W7.


Download only the ZIP - not their spamware driver installer.

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JohnBusiness Consultant (Owner)Commented:
You may well be correct. The support page I visited suggested the driver supported Windows 7. I think it worth a call to Star Tech Support
DoctorK12008Author Commented:
Thank you.
JohnBusiness Consultant (Owner)Commented:
Thank you and good luck with Star Tech Support and getting a good driver.
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