iPaq 5550 WLAN failure

I've recently had to hard reset my iPaq 5550 and since then I don't think the WLAN is functioning.  In the Wireless Control program I hit the WLAN icon and get the usual jingle but the yellow light doesn't flash as it did.  I've only been using the feature to check for WiFi sites in shopping malls etc, using the program PocketWiNc.  If I open up this program I get the message "Unable to locate adapter.  This application will be closed."  It used to work fine.

If I run a SelfTest in the Settings menu the WLAN yellow light does flash briefly, as does the Bluetooth light (which still works).

Can anyone suggest how I might get the WLAN to run?

Pete
duneclimberAsked:
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tomasg18Connect With a Mentor Commented:
You're welcome.

Since you have already patched your Ipaq, I would make a warranty claim.  It makes no sense in spending time trying to fix the problem, when it's a hardware failure.  This is not a PC, where we can take things apart and replace things.  

Tomas
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tomasg18Commented:
Have you upgraded your Ipaq 5550 ROM to the latest release?

(http://h18007.www1.hp.com/support/files/HandheldiPAQ/us/locate/105_5643.html)

Warning!  Applying the ROM update ***WILL*** erase everything off your IPAQ including the file store.  Make sure to take complete backup of your IPAQ before proceeding.

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duneclimberAuthor Commented:
I'm pretty sure I did, but I'll try it.  I'm getting pretty used to reinstalling all my software on this device - never had problems with my iPaq 3760, though it doesn't support wireless. Will let you know how I get on.

Pete.  
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tomasg18Commented:
There is an easy way to check whether you have upgraded or not.

In Start --> Settings --> System tab --> Asset viewer, go to the version and look at ROM Revision.  If it says 1.10.10 ENG then the ROM is up to date.  If it says 1.00.xx then the Ipaq has not been upgraded.

Tomas
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duneclimberAuthor Commented:
Thanks, Tomas - I did check and found that I already had 1.10.10 ENG.  I found a few other things out of date, like the driver version and the firmware version, so installed the newer versions.  I also reinstalled the ROM after backing up my programs and data, but I find that I still have the same problem.  That's to say that the yellow/orange WLAN light doesn't come on and it doesn't seem to be working.

I just need to know whether it's a hardware failure, in which case I can make a warranty claim, or whether there's a software reason.

Pete  
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duneclimberAuthor Commented:
Tomas,

I found a quick fix on the HP iPaq site.  Disconnect the battery, wait a minute and reinstall.  This reset the WLAN circuitry - worked fine.  Didn't even lose my programs!

Thanks again.

Pete
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