Touchpad creaking?

T4x series specific matters only
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ClayMan
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Touchpad creaking?

#1 Post by ClayMan » Mon Jun 28, 2004 2:16 pm

I have a T41... and my touchpad is creaking prety badly.

It's worse on the lower left side... Do any of your T series creak? Place you finger on the touchpad, and push down softly... (you sohuldn't need anything harder than a tap)

K. Eng
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#2 Post by K. Eng » Mon Jun 28, 2004 3:10 pm

My touchpad doesn't creak in the lower left hand side. The only flexing I could detect was in the upper center of the touchpad (area right in front of the blue scroll button).

It is possible that the screws that fasten the touchpad to the wrist-rest are in need of tightening.
Homebuilt PC: AMD Athlon XP (Barton) @ 1.47 GHz; nForce2 Ultra; 1GB RAM; 80GB HDD @ 7200RPM; ATI Radeon 9600; Integrated everything else!

vpn-user
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#3 Post by vpn-user » Mon Jun 28, 2004 3:15 pm

No, there is an error in IBMs design. The touchpad "hangs" above the minipci card and is not properly fixed to something solid.

I put a litte bit of foam between the minipci card and the Intel ICH4-Chipset and got a rock solid touchpad (no flexing at all).

K. Eng
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#4 Post by K. Eng » Mon Jun 28, 2004 3:25 pm

vpn-user, I am confused as to how your solution works.

"Crude Cross Section of T4x"

------------- <- Touchpad Layer
mPCI Slot/Card
<foam here?>
ICH4-M
------------- <- System Board

If the touchpad floats over the mPCI card, how does buffering the space between the mPCI card and ICH4-M make the touchpad more solid? Also, the mPCI cards get hot. Foam is an insulator and I'm not sure its a good idea to put foam on the hot underside of the mPCI card.
Homebuilt PC: AMD Athlon XP (Barton) @ 1.47 GHz; nForce2 Ultra; 1GB RAM; 80GB HDD @ 7200RPM; ATI Radeon 9600; Integrated everything else!

roxylo
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Re: Touchpad creaking?

#5 Post by roxylo » Mon Jun 28, 2004 3:44 pm

ClayMan wrote:I have a T41... and my touchpad is creaking prety badly.

It's worse on the lower left side... Do any of your T series creak? Place you finger on the touchpad, and push down softly... (you sohuldn't need anything harder than a tap)
Mine is creaking on the lower left side as well. Anyone knows how to fix it?
T42 2378-FVU

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