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T420's palmrest in T420s?

T400/410/420 and T500/510/520 series specific matters only
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Lockheed
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T420's palmrest in T420s?

#1 Post by Lockheed » Mon Feb 12, 2018 12:08 pm

Funny how the title worked out...

Anyway, I have a T420s with somewhat banged up palmrest (with FP reader).
Can I replace it with a palmrest from a regular T420 (with FP reader) or is there some incompatibility?

They look exactly the same when they are mounted.
T420s - i7, 16GB RAM, Samsung 850 EVO + 1TB Hitachi 9.5mm, Nvidia, Oleh Bios.
W500 - C2D P9500, 8GB RAM, Samsung 830 SSD + 750GB Hitachi HDD, Intel+ATI GPU, bright WUXGA, FP-reader
Arch Linux, BTRFS+ZFS on LUKS

Thinkpad4by3
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Re: T420's palmrest in T420s?

#2 Post by Thinkpad4by3 » Mon Feb 12, 2018 5:59 pm

The FP reader is likely a different cable. Other than that probably no problem.
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

TPFanatic
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Re: T420's palmrest in T420s?

#3 Post by TPFanatic » Mon Feb 12, 2018 7:28 pm

They are completely different parts for fundamentally different laptops.
lenovo X230 i5 3320m IPS 8GB
lenovo T430 i5 3320m FHD 8GB
lenovo T500 P9700 WUXGA 8GB


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Thinkpad4by3
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Re: T420's palmrest in T420s?

#4 Post by Thinkpad4by3 » Mon Feb 12, 2018 7:31 pm

TPFanatic wrote:
Mon Feb 12, 2018 7:28 pm
They are completely different parts for fundamentally different laptops.
Thought so. I remember playing with a T430s and T420 palmrests and concluding that.
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

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