Toshiba laptop starts freezing when is put on dock station

Hello Experts,
I've got freezing issue when I put Toshiba's laptop on Toshiba's dock station. When I run up laptop on its own with no dock station it is working perfectly. But when I put it first on dock station and run it, it starts freezing and even when I take it off the dock station the laptop is still frozen. I tried  two Toshiba dock stations and it freezes on both of them.
The laptop is Toshiba Portege with Win 7 Pro and usb Toshiba dock station.

Any help on where else to look into!
Any advice will be appreciated!
 
Thank you in advanced!
nasolsiAsked:
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nasolsiConnect With a Mentor Author Commented:
Hi Experts,
The problem has been fixed. It tuned out that it is faulty motherboard.
The laptop is still under warranty so I called to Toshiba support and they sent a technician to replaced the motherboard and it is now working fine when is connected to dock station.
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frajicoCommented:
Is the same power charger model for the laptop and for the dock station?

If they have same voltage and intensity outputs, try to use the laptop charger to power the dock station.
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ded9Commented:
Go to graphics card manufacturer website and install updated graphics card driver...check event viewer for any errors.



Ded9
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nasolsiAuthor Commented:
Hi Ded9,
Both are using the same power charger model and I'm using only one of them to power up dock station, so no power charger cannected to the laptop when it is put on dock station.
I'll try to download the latest graphics card driver.
 Thank you!
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CallandorCommented:
What do you have connected to the docking station?  The driver for it may be corrupted and need to be reinstalled.  If the network port is malfunctioning, that can freeze a laptop.
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nasolsiAuthor Commented:
Hi,
I downloaded and installed the latest graphics card driver and it is still the same.
I've connected only power charger and lan cable to dock station and put the laptop on it. Nothing is connected to laptop. I don't think that network port is the problem because I tested laptop on two dock stations so I don't think that both dock stations have faulty network port.
Any other suggestions!
Thank you!
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ded9Commented:
Any errors in event viewer or

Click start -type -view reliability history- launch it...click on todays date and post the screenshot of reliability details.



Ded9
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nasolsiAuthor Commented:
Hi,
I checked the event viewer and I couldn't see anything serious only:
Application error: Faulting application name: TosVolRegulator.exe, version1.0.0.3, time stamp: 0x4aa0e532. Exception code: 0x0000005.
System error: The following boot-start or system-start driver(s) failed to load: cdrom

But I don't think that these errors are related to that issue.
May be something wrong with the motherboard.
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ded9Commented:
After connecting the laptop to the docking station boot the computer in safe mode with networking...Post results.

If the computer works in safe mode with  networking then do a clean boot from safe mode with networking.

Clean boot process

Start-type - msconfig- click on startup tab- click disable all...then click services tab- put a check on hide all microsoft services ...and then click disable all....click ok and then restart the computer in normal mode.

If everything works fine in clean boot then enable five startup items and services at a time to find the faulty software.

Try disabling  TosVolRegulator.exe from startup and services.



Ded9
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nasolsiAuthor Commented:
Hi Ded9,
I've connected laptop with the dock station and booted into Safe mode with networking, and it froze again. So it is freezing into Normal mode and Safe mode with networking when laptop is connected to dock station.
Any other ideas.
Thank you!
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ded9Commented:
I think the problem lies with the docking station .. post model number of the docking station.



Ded9
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ded9Commented:
Best way to fix this issue is to install the update for  Toshiba bios .. this step will resolve your issue.



Ded9
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nasolsiAuthor Commented:
Hi Ded9,
I updated BIOS to the latest version, tested the laptop on two different Toshiba's dock stations and it is still freezing. The problem is not coming from dock station as I mentioned to you before that I had tried the laptop on two different dock stations form the same model. The dock stations are Toshiba Model No: PA3681E-2PRP.
 I have no idea where else to look into.
Thank you!
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ded9Commented:
Check for any docking option in bios ...try changing power option in bios.



Ded9
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nasolsiAuthor Commented:
There is no any docking options in bios and for power option I can see only Auto Power On = Enabled and no other power options.
Ok I'll call to Toshiba's support to pick it up because it is still under warranty. But I wanted to try to fix it on my before give it to them.
You deserves all the points for your efforts to help me!
Thanks for your help!
All the best!
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nasolsiAuthor Commented:
Replaced the motherboard fixed the freezing issue.
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