erratic scroll wheel behavior

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Hello all,

Recently I have bought a Trion over eBay, have successfully ROMed it to:
ROM ver.: 3.54.255.3
ROM date: 07/05/07
Radio ver.: 1.48.00.10
Protocol ver.: 32.81.7020.20H
ExtROM ver. 3.54.255.104

I've already seen a similar old post for the Tilt/Tytn II, you can see it here:
***forum.xda-developers.com/showthread.php?t=335086***

As it was stated in there:
"The scroll wheel is very erratic, sometimes when scrolling down it will go up instead and reversing the scrolling motion will cause it to freak out (go down once then scroll up like crazy)."

The problem hasn't been resolved in the previous post.

I have the exact same problem which was already there before ROMing the PDA (the former version was the original one with WM5.0).

Can anyone give me any idea how I can solve this problem??

Fixed!!!

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People I found the solution to the problem, it was so simple that I just didn't think about it straight away:

I thought about rotohammer's replay in the other post: "Usually wheels of this type are metal contacts against a circuit board" and a possible answer came into my mind:

I opened the plastic cover and found out that the insides of the hermes was FULL of dust, I blew at it a couple of times to clear away all the dust and a WONDER occured: the scroll wheel functions perfectly!!!

So all of you out there experiencing a similar behavior with your scroll wheel - just open your devices and have a look inside!