Posted on 2010-09-17
Last Modified: 2012-06-21
I have a dell E6410 with an exlamation mark over isapnp read data port in device manager. I am running Windows XP sp3. How do I fix it ?
Question by:Dfriend
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LVL 11

Assisted Solution

Coast-IT earned 83 total points
ID: 33701716
try resetting your bios.

This is probably an IRQ issue, happens with these devices.
LVL 10

Assisted Solution

jorlando66 earned 166 total points
ID: 33701726
try reinstalling the intel chipset drivers.  You may also want to update all the drivers while your at it.

Assisted Solution

OctInv earned 83 total points
ID: 33701759
That is on the Intel ICH9M-E LPC Interface Controller, and you can get the drivers for it here:
(Links to Dells web-site for the xp driver for the Dell E6410 Intel chipset)
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LVL 10

Assisted Solution

jorlando66 earned 166 total points
ID: 33701760
Resetting the bios as Coast suggest may also help if it is an irq conflict.

Accepted Solution

sayed_maher earned 168 total points
ID: 33707597
That is the SM Bus controller, the way to fix it is by downloading the motherboard chipset drivers and re-installing them. Go to this link:

download that file, install it, and that should fix your problem.

Good luck

Author Comment

ID: 33733760
This did not work. i already have the current updated drivers.

Assisted Solution

sayed_maher earned 168 total points
ID: 33763454
Dfriend, after doing some further reading, if you are unable to solve this issue with removing the old drivers, (uninstalling the questionmarked device) and then re-installing using the new drivers with the "Have disk" option, then it may very well be as the experts have suggested. Give this a try:

Power off your computer --> Unplug everything from it --> Open the case --> on that motherboard, look for a small round battery like the one you put into a clock, remove it and wait for 2 minutes (sometimes if the bios doesnt reset in 2-5 minutes, you need to leave it unplugged out for 24 hours) --> after alloted time frame, put the battery back in where it was and turn on your computer. This is what they meant by resetting the bios, only this is "hard" resetting, and not "soft" resetting.

Good luck

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