T400s crashes connecting to hotel wifi AP's

An odd issue that I'm having trouble resolving.
An employee with a T400s had a problem a month ago with his laptop crashing when trying to connect to the wifi in a hotel. Luckily there was an ethernet port in the room he was able to use, but the laptop continued having problems so I sent him a loaner overnight. When he got back I noticed the laptop was booting into safe mode but after a reboot it was fine, connecting to the office AP's fine, and everything looked good. A few days later a technician came by a couple of times and ended up swapping out the mainboard to fix a popping speaker.
This past weekend the same employee was at a different hotel and contacted me with the same problem - laptop crashing and booting into safe mode when connecting to the hotel's wifi AP. We got the laptop booting normally, had him log into a different account that ended up having the same issue, and eventually had him uninstall Access Connections and try the Windows wireless config. Same result.
Now the laptop is back in the office and I'm again having no problem with connecting to wifi here, with Windows and after installing Access Connections again. Running the latest versions of everything, Windows 7 x64 SP1 is fully updated, etc.
I scoured the Event Logs and crash reports and there is nothing indicating the case of the crashes that I can see. Whenever the computer crashes as a result of connecting to a "bad" wifi AP, the following ciritcal event is generated upon boot:
Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 2/18/2012 6:44:06 PM
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (2)
User: SYSTEM
Computer:
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
and a critical WER is generated after reboot and attempted startup repair
Version=1
EventType=StartupRepairOnline
EventTime=129740822719889241
ReportType=1
Consent=1
ReportIdentifier=80bfb3a7-5a8a-11e1-b3d3-00216a87cd78
Response.type=4
Sig[0].Name=Problem Signature 01
Sig[0].Value=6.1.7600.16385
Sig[1].Name=Problem Signature 02
Sig[1].Value=6.1.7600.16385
Sig[2].Name=Problem Signature 03
Sig[2].Value=LENOVO
Sig[3].Name=Problem Signature 04
Sig[3].Value=366
Sig[4].Name=Problem Signature 05
Sig[4].Value=0
Sig[5].Name=Problem Signature 06
Sig[5].Value=AutoFailover
Sig[6].Name=Problem Signature 07
Sig[6].Value=1
Sig[7].Name=Problem Signature 08
Sig[7].Value=NoRootCause
DynamicSig[1].Name=OS Version
DynamicSig[1].Value=6.1.7601.2.1.0.256.1
DynamicSig[2].Name=Locale ID
DynamicSig[2].Value=1033
UI[3]=Startup Repair cannot repair this computer automatically
UI[4]=Sending more information can help Microsoft create solutions.
UI[5]=Send information about this problem (recommended)
UI[7]=Don't send
FriendlyEventName=StartupRepairOnline
ConsentKey=StartupRepairOnline
AppName=Windows Diagnosis and Recovery
AppPath=C:\Windows\System32\RelPost.exe
So, has anyone seen anything like this? I'm about to just purchase a new laptop for this person (Managing Director) as the last thing I need is for this to happen again as there is no sure fire way that I know of to verify that the issue has been resolved, unless this is a known issue with a fix out. Is this a known issue with the Intel Adapter (Wifi Link 5300 AGN) or drivers (or Lenovo customized drivers)? Could the adapter itself be bad?
What it bascially comes down to is: somebody has seen this and there is a way to known resolution, or I purchase a new laptop and put this one aside and work with Lenovo on it in my free time as it's still under warranty.

I just opened up the RAM/Radio compartment to remove the WWAN card as it's not needed and I noticed the WLAN card antena cables were attached incorrectly. First, only 2 of 3 were attached. Second, one of the cables attached was for the WWAN card. Apparently one of the IBM service techs decided to throw the thing together with a blindfold on after replacing some parts.
Anyway, could the antenas being connected improperly cause the WLAN adapter (or it's driver) to crash the laptop upon connecting to certain AP's?

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I see that you are having issues accessing Wi-Fi in your hotel. Here is an article that will help you through some troubleshooting steps regarding this issue:
Wi-Fi Quick Assist - Apple Support
https://support.apple.com/en-us/HT201505
For further information, it might be helpful to utilize the wireless diagnostics in your OS:
About Wireless Diagnostics - Apple Support
https://support.apple.com/en-us/HT202663
Thanks for coming to the Apple Support Communities!
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Power-down the modem, AirPort base station, and computer(s).
Power-up the modem; wait at least 10-15 minutes to allow it adequate time to initialize.
Power-up the AirPort base station; wait at least 5-10 minutes. Note: The AirPort's status light may continue to flash amber after it has intialized. That is because, there may be some additional configuration items necessary, like setting up wireless security, before the overall setup is completed to get a green status.
Power-up your computer(s).
If the above steps do not solve the problem, start over with step 1 above, but then perform the next steps between steps 1 & 2. above.
Disconnect the AirPort base station from the Internet broadband modem.
While all of the devices are powered-down, perform a "factory default" reset on the base station. This will get it back to its "out-of-the-box" configuration and make setting it up much easier, especially if you use the "Assist me" process within the AirPort Utility. (ref:Resetting an AirPort Base Station or Time Capsule)
After the base station resets, go ahead and power it back down.
Reconnect the AirPort base station to the Internet broadband modem. For the Extreme and Time Capsule, be sure to connect the cable to the base station's WAN (circle-of-dots) port.
Continue with step 2 in the first set of steps.
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T400s crashes connecting to hotel wifi AP's

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