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Windows 7: PCI serial port driver error on Dell E6400 Laptop with Win7 entprz64

30 May 2013   #1

Vista Ultimate 32bit Windows 7 Pro 32bit & Windows 7 enterprise 32 and 64 bit
PCI serial port driver error on Dell E6400 Laptop with Win7 entprz64

I am lookin for suggestions on this error in device manager. Dell does not seem to have a fix for this.

My System SpecsSystem Spec
02 Jun 2013   #2

windows 7 home 64bit

Hi there .... Have you tried to perform a windows update? It could be to do with the version of Windows you are using!
My System SpecsSystem Spec
05 Jun 2013   #3
Saurabh A

Windows 7 64bit

Hi DBerming,

Regret any inconvenience.

'PCI serial port driver error' points at a Chipset driver. Please share if any part (Motherboard, Hard Drive, etc) was replaced on the notebook recently. Or did you make any software change (Windows re-installation, etc.) in the unit? Would also like to know if you've tried updating Windows, as suggested by 'maxie'.

If you're still facing this trouble, you may try the following steps:

1. Update Chipset drivers, using the following links (Note - Links given below are tested to work with Latitude E6400 notebook with Windows 7 64 bit):
Click to download 'Intel AMT HECI' driver
Click to download 'Intel AMT SOL/ LMS' driver

Follow through with the installation as per the on-screen instructions. Allow the system to restart and share results.

2. If the issue still persists, try flashing system BIOS. Note: Before flashing the BIOS please check the following: Battery should have 10% or greater charge; Adapter should be connected; No external devices should be connected; All other programs should be closed and documents saved

Click to download/install the latest BIOS version. A33 version was recently released (29/04/2013) and has an update for the 'Intel(R) Active Management Technology firmware'. Apply this update and share the findings. I'll take it forward from there (If not done already).

My System SpecsSystem Spec

12 May 2016   #4

Windows 7 Ultimate 64-bit SP1
Thank you Saurabh A

Dear Saurabh A

you solved a 3 years old mysterious question

thank you very much for your valuable information

Amr Koptan
My System SpecsSystem Spec

 PCI serial port driver error on Dell E6400 Laptop with Win7 entprz64

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