fixinall
2 Bronze

OptiPlex 790/990, PCI Serial Port driver fix, non-supported Windows 8.1/10

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After 3 days of digging, I found the fix for the OptiPlex 790 and 990 PCI Serial Port Driver issue which shows as a yellow triangle under Device Manager. This trouble occurs when you upgrade from Win 7 which is fully-supported by Dell on these machines, to the unsupported Win 8 or Win 10.

Again, this trouble surfaced because Dell decided not to provide support Win 8 or Win 10 for these PC's. Intel driver detection tools also won't fix this issue.

I'd like to give John Makster about 99% of the credit, but his answer was buried in a forum thread that was tough to find. The fix he found for Win 8.1 back in 2014 works perfect for 790 and 990 under Win10.

Procedure:

* Download the following Dell driver package, and ignore the warnings that it's older than what you have currently installed: Intel_Unified-AMT-7-Manageme_A01_R298379
* Don't choose the autoinstall exe package. The package is older, but it contains the correct driver for the PCI Serial port which is missing on your machine after upgrading to Win 8 or 10

* Unzip this compressed Dell file into a folder of your choice. I created a new folder called PCI Serial Driver fix. Do not execute the file package once unzipped
* Launch Device Manager and scroll down to the "yellow trouble triangle" over your PCI Serial device
* Open the device and update drivers by pointing to the unzipped folder you just created

Voila, trouble solved. The Win 8 and 10 compatible driver is found and updated. Instead of a malfunctioning device, the Device Manager tree now shows:

Ports (COM & LPT), PORT (COM1), Intel(R) Active Management Technology (COM3)

PS: I have a Dell OptiPlex 790 MT, but this fix obviously works for 990. The same R298379 package applies to both.

1 Solution

Accepted Solutions
speedstep
8 Krypton

RE: OptiPlex 790/990, PCI Serial Port driver fix, non-supported Windows 8.1/10

Jump to solution

The 790/990 "serial port drivers" are not "COM port drivers" that are built into the OS all the way back to MSDOS.    They are INTEL AMT SOL (Serial over LAN) drivers.   These drivers are not built into windows.  Since the 790/990 also has WDDM 1.0 VISTA drivers then they work from DOS to windows 7 or 8 or 10 just fine.  If there are no released drivers for 10 then the vista or 7 or 8 or 10 drivers can be used.   8 came out in 2012  7 came out in 2009  vista came out in 2007 and the GX620 was released in 2006 which is why they started having the made for XP vista Capable label.  There is a cost to writing new drivers and systems that are over 5 years old tend to be End of Life End of interactive support.  EOL EOS.  This isnt just Dell its also INTEL and HP and Apple and Toshiba and Lenovo and and and.

You can in fact buy 790/990 systems with WINDOWS 10 installed from 3rd partys.  These reseller systems are not supported by Dell because they are past the 5 year System Design Life Cycle.

https://www.amazon.com/Optiplex-790-Windows-Desktop-Computer/dp/B0176VY46G

 

"Nobody knows where to find drivers does not apply because drivers are available all the way back to systems like the GX280 and GX620 which work fine with windows 7 or 8 or 10 when bios and sometimes cpu are upgraded"

"bundling of drivers into massive update packages really screws things up"  not sure where you are going with that because there are no DELL SPECIFIC issues with drivers with XP/VISTA/7/8/10

Windows 7 recently has had windows update issues but those apply to all machines running windows not Dell or Optiplex specifically.

The 620 topic is spot on in that it proves that 10 year old systems that may not be supported.  Once Proper CHIPSET drivers are installed then only sound Drivers and sometimes network drivers are needed to get EVERYTHING working.  It is recommended that you update bios to latest version BEFORE Trying to install 7 or 8 or 10.

790/990 WORK JUST FINE with windows VISTA / XP / 7 or 8 or 10.

These management engine drivers are applicable to XP/VISTA/7/8/10

and show up as a yellow "PCI Serial Device  !"

http://downloads.dell.com/published/pages/optiplex-790.html

 

http://downloads.dell.com/published/pages/optiplex-990.html


Description Supported OS Download
Intel Management Engine 7.1 Components Installer
This package provides the Intel Management Engine 7.1 Components Installer and is supported on the Precision, OptiPlex and Latitude models that are running the following Windows Operating Systems: XP, Windows 7, Windows 8 and Windows 10.More details
Windows 7 32-bit
Windows 7 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows XP
Windows XP x64
WT64A
WT32A

Description Supported OS Download
Realtek ALC269 High Definition Audio Driver
This package provides the Realtek ALC269 High Definition Audio Driver and is supported on OptiPlex and Precision models that are running the following Windows Operating Systems: XP, Vista, Windows 7 and Windows 8.More details
Windows 7 32-bit
Windows 7 64-bit
Windows Vista 32-bit
Windows 8 32-bit
Windows Vista 64-bit
Windows 8 64-bit
Windows XP
Windows XP x64
WT64A
WT32A

 

Description Version Download
Dell OptiPlex 990 System BIOS
This package provides the Dell System BIOS Update and is supported on Dell OptiPlex 990 for Windows and DOS Operating Systems.More details
A19
Dell Optiplex 990 System BIOS
This package provides the Dell System BIOS Update and is supported on Dell OptiPlex 990 for Windows and DOS Operating Systems.More details
A18
Dell Optiplex 990 System BIOS
This package provides the Dell System BIOS update and is supported on Dell OptiPlex 990 for Windows and DOS Operating Systems.More details
A17
Optiplex 990 System BIOS
OptiPlex 990 System BIOSMore details
A16
Optiplex 990 system BIOS
OptiPlex 990 system BIOSMore details
A15
Optiplex 990 system BIOS
OptiPlex 990 system BIOSMore details
A14
DELL,DSK PROG,BIOS,FWH,990,,A13
OptiPlex 990 System BIOSMore details
DELL,DSK PROG,BIOS,FWH,990,A11,A11
OptiPlex 990 System BIOSMore details
A11
DELL,DSK PROG,BIOS,FWH,990,A10,A10
OptiPlex 990 System BIOSMore details
Dell OptiPlex 990 System BIOS, A07
OptiPlex 990 System BIOSMore details
A07
Dell OptiPlex 990 System BIOS, A06
OptiPlex 990 System BIOSMore details
A06
Dell OptiPlex 990 System BIOS, A05
OptiPlex 990 System BIOSMore details
A05
Dell Optiplex 990 System BIOS
This package provides the Dell System BIOS Update and is supported on Dell Optiplex 990 for Windows and DOS Operating Systems.More details
A03
Dell OptiPlex 990 System BIOS, A02
OptiPlex 990 System BIOSMore details
A02

 


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View solution in original post

4 Replies
DELL-Chris M
Community Manager
Community Manager

RE: OptiPlex 790/990, PCI Serial Port driver fix, non-supported Windows 8.1/10

Jump to solution

Thanks for posting this workaround. Note, Dell had to draw a line in the sand somewhere concerning Windows 10 support and older (2011) systems. The Windows 8 drivers should have worked in 8.1?

 



 

0 Kudos
speedstep
8 Krypton

RE: OptiPlex 790/990, PCI Serial Port driver fix, non-supported Windows 8.1/10

Jump to solution

There are tons of Dell models that work fine in windows 7 or 8 or 10 that are "not supported".

Optiplex GX620 machines work from MSDOS all the way to windows 10 just fine as long as you update the bios to A11 and use a pentium D 900 series 915 to 945.    Pre 2005 you have issues because the CPU'S do not support NX or CMPXCHG 128 so windows WONT INSTALL on those.

"Officially no, Dell has not listed this system for Windows Vista or Windows 7 compatibility and as such no drivers are officially available directly on the drivers and downloads page." (Actutally the Vista Drivers were listed but this has become broken)

How does Windows Vista run on legacy systems - Dell OptiPlexTM  GX260s, GX270s, GX280s and GX620s? W...

There ARE Vista Drivers.  No Windows 7 Drivers from Dell.  (Dell Officially Listed this system as Designed for Windows XP/Vista Capable)

You will be Much Happier with the Upgrade Result if you Get 4 Gigs of Ram and a radeon 6450.


48 new from $39.93


Most of the hardware uses Native Windows 7 Drivers with the exception of the Audio Codec.

http://www.dell.com/content/topics/global.aspx/solutions/en/winvista_faqs_rel?c=us&l=en&cs=prem#faq0...

  1. Dell will qualify Windows Vista for Basic Windows Vista functionality on the following OptiPlex legacy platforms: OptiPlex GX620, GX520, GX280, SX280, GX270, SX270, 210L and 170L
  2. Dell will qualify Windows Vista for Basic Windows Vista functionality on the following Latitude legacy platforms: D800, D600, D400, D410, D505, D810, D610, D510, X300
  3. Dell will qualify Windows Vista for Basic Windows Vista functionality on the following Dell Precision Workstation legacy platforms: Dell Precision Workstation 360, 470, 650, 370, 380, 670, M60, M70, M20

To run the premium versions of Windows Vista, including the Windows AeroTM  user interface, PC's should be configured with at least 1GB system RAM and 128 MB graphics memory.

To help further optimize the Windows Vista experience Dell recommends 2 GB dual-channel (2-DIMMs) system RAM, a Dual-Core processor, a 7200 rpm Hard Drive and at least a 256 MB discrete graphics card.

http://ftp.us.dell.com/video/R140545.EXE                         32bit                  Intel Graphics drivers

Intel® Graphics Media Accelerator Driver for Windows* 7 64 (exe)

File name:win7_64_1512754.exe
    
Version:15.12.75.4.64.1930     
Date: 10/02/2009     
Status:Latest
Size:22.84 MB     
Language:Multi language
Operating Systems:Windows 7 (64-bit)*, Windows 7 Enterprise, 64-bit version*, Windows 7 Home Basic, 64-bit version*, Windows 7 Home Premium, 64-bit version*, Windows 7 Professional, 64-bit version*, Windows 7 Ultimate, 64-bit version*

Detailed Description

Purpose:

This driver is written specifically for the desktop   Intel ® 945G, 945GZ, 945GC, 945GT, 946GZ, G965, Q963, Q965, G31, G33, G35, Q33, Q35, Express Chipsets and the Mobile Intel®  940GML, 943GML, 945GM, 945GME, 945GMS, GL960, GLE960, GM965, GME965  Express Chipsets and will not function with any other product. View the README file for installation information and the RELEASE NOTES for driver version details. This driver package contains version 15.12.75.4.1930 (8.15.10.1930) for Windows* 7.

Usage:

The software drivers provided on this page are generic versions, and can be used for general purposes. However, computer original equipment manufacturers (OEMs) may have altered the features, incorporated customizations, or made other changes to the software or software packaging they provide. To avoid any potential installation incompatibilities on your OEM system, Intel recommends that you check with your OEM and use the software provided via your system manufacturer.
Intel or the computer original equipment manufacturer (OEM) may not provide technical support for some or all issues that could arise from the usage of this generic version of software drivers.


win7_64_1512754.exe 64bit  Intel Graphics drivers Download


 
Release Date:     1/24/2007        
Version:     A255.12.01.7010        
Importance:     Recommended        
Download Type:     Driver        
File Format:     Hard-Drive        
File Size:     3MB     

R145551.EXE         32 BIT

R145149.EXE          64 BIT

Compatibility

Systems

OptiPlex GX280
OptiPlex GX520
OptiPlex GX620
OptiPlex SX280
Precision 370
Precision 470
Precision 670

 


Report Unresolved Customer Service Issues
here

I do not work for Dell. I too am a user.

The forum is primarily user to user, with Dell employees moderating
Contact USA Technical Support






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0 Kudos
fixinall
2 Bronze

RE: OptiPlex 790/990, PCI Serial Port driver fix, non-supported Windows 8.1/10

Jump to solution

Thanks, Chris:

Yes, I realize Dell can't spend time and money supporting their PC's beyond about 5 yrs. Obsolescence is the nature of the business because they must compete with mfrs that do the same. Generic or home-built PC's have no such support, but such hardware is not bastardized (customized) for Dell. The 3rd party mfrs provide their own hardware driver support.

It's just unfortunate when the necessary drivers exist and nobody can find them. This is especially true when Dell has win 8 and 10 compatible drivers bundled (hiding) in a massive Win 7 update package. When the package is run on a win 8 or 10 machine the package shows as "old" and "wrong".

The bundling of drivers into massive update packages really screws things up when new operating systems are released, and Dell elects to end support. Too many times, I have resorted to getting dell-compatible comm drivers for bluetooth and network cards off Lenovo's support site. Lenovo does not bundle drivers to such a degree.

Speedstep,

This thread is specifically about 790/990 serial com port drivers. The GX620 and A/V driver discussion is way off-topic.

speedstep
8 Krypton

RE: OptiPlex 790/990, PCI Serial Port driver fix, non-supported Windows 8.1/10

Jump to solution

The 790/990 "serial port drivers" are not "COM port drivers" that are built into the OS all the way back to MSDOS.    They are INTEL AMT SOL (Serial over LAN) drivers.   These drivers are not built into windows.  Since the 790/990 also has WDDM 1.0 VISTA drivers then they work from DOS to windows 7 or 8 or 10 just fine.  If there are no released drivers for 10 then the vista or 7 or 8 or 10 drivers can be used.   8 came out in 2012  7 came out in 2009  vista came out in 2007 and the GX620 was released in 2006 which is why they started having the made for XP vista Capable label.  There is a cost to writing new drivers and systems that are over 5 years old tend to be End of Life End of interactive support.  EOL EOS.  This isnt just Dell its also INTEL and HP and Apple and Toshiba and Lenovo and and and.

You can in fact buy 790/990 systems with WINDOWS 10 installed from 3rd partys.  These reseller systems are not supported by Dell because they are past the 5 year System Design Life Cycle.

https://www.amazon.com/Optiplex-790-Windows-Desktop-Computer/dp/B0176VY46G

 

"Nobody knows where to find drivers does not apply because drivers are available all the way back to systems like the GX280 and GX620 which work fine with windows 7 or 8 or 10 when bios and sometimes cpu are upgraded"

"bundling of drivers into massive update packages really screws things up"  not sure where you are going with that because there are no DELL SPECIFIC issues with drivers with XP/VISTA/7/8/10

Windows 7 recently has had windows update issues but those apply to all machines running windows not Dell or Optiplex specifically.

The 620 topic is spot on in that it proves that 10 year old systems that may not be supported.  Once Proper CHIPSET drivers are installed then only sound Drivers and sometimes network drivers are needed to get EVERYTHING working.  It is recommended that you update bios to latest version BEFORE Trying to install 7 or 8 or 10.

790/990 WORK JUST FINE with windows VISTA / XP / 7 or 8 or 10.

These management engine drivers are applicable to XP/VISTA/7/8/10

and show up as a yellow "PCI Serial Device  !"

http://downloads.dell.com/published/pages/optiplex-790.html

 

http://downloads.dell.com/published/pages/optiplex-990.html


Description Supported OS Download
Intel Management Engine 7.1 Components Installer
This package provides the Intel Management Engine 7.1 Components Installer and is supported on the Precision, OptiPlex and Latitude models that are running the following Windows Operating Systems: XP, Windows 7, Windows 8 and Windows 10.More details
Windows 7 32-bit
Windows 7 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows XP
Windows XP x64
WT64A
WT32A

Description Supported OS Download
Realtek ALC269 High Definition Audio Driver
This package provides the Realtek ALC269 High Definition Audio Driver and is supported on OptiPlex and Precision models that are running the following Windows Operating Systems: XP, Vista, Windows 7 and Windows 8.More details
Windows 7 32-bit
Windows 7 64-bit
Windows Vista 32-bit
Windows 8 32-bit
Windows Vista 64-bit
Windows 8 64-bit
Windows XP
Windows XP x64
WT64A
WT32A

 

Description Version Download
Dell OptiPlex 990 System BIOS
This package provides the Dell System BIOS Update and is supported on Dell OptiPlex 990 for Windows and DOS Operating Systems.More details
A19
Dell Optiplex 990 System BIOS
This package provides the Dell System BIOS Update and is supported on Dell OptiPlex 990 for Windows and DOS Operating Systems.More details
A18
Dell Optiplex 990 System BIOS
This package provides the Dell System BIOS update and is supported on Dell OptiPlex 990 for Windows and DOS Operating Systems.More details
A17
Optiplex 990 System BIOS
OptiPlex 990 System BIOSMore details
A16
Optiplex 990 system BIOS
OptiPlex 990 system BIOSMore details
A15
Optiplex 990 system BIOS
OptiPlex 990 system BIOSMore details
A14
DELL,DSK PROG,BIOS,FWH,990,,A13
OptiPlex 990 System BIOSMore details
DELL,DSK PROG,BIOS,FWH,990,A11,A11
OptiPlex 990 System BIOSMore details
A11
DELL,DSK PROG,BIOS,FWH,990,A10,A10
OptiPlex 990 System BIOSMore details
Dell OptiPlex 990 System BIOS, A07
OptiPlex 990 System BIOSMore details
A07
Dell OptiPlex 990 System BIOS, A06
OptiPlex 990 System BIOSMore details
A06
Dell OptiPlex 990 System BIOS, A05
OptiPlex 990 System BIOSMore details
A05
Dell Optiplex 990 System BIOS
This package provides the Dell System BIOS Update and is supported on Dell Optiplex 990 for Windows and DOS Operating Systems.More details
A03
Dell OptiPlex 990 System BIOS, A02
OptiPlex 990 System BIOSMore details
A02

 


Report Unresolved Customer Service Issues
here

I do not work for Dell. I too am a user.

The forum is primarily user to user, with Dell employees moderating
Contact USA Technical Support






Get Support on Twitter @DellCaresPro

View solution in original post