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x220 palm rest FRU not in Lenovo Maintenance Manual

X200/X201/X220 (including equivalent tablet models) and X300/X301 Series
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thinkpad80
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x220 palm rest FRU not in Lenovo Maintenance Manual

#1 Post by thinkpad80 » Tue Jul 27, 2021 9:54 pm

I keep finding this FRU online for an x220 palm rest:

04X3780

However, in the x220 Hardware Maintenance Manual it only lists these three:

04W1410
04W1411
04W1770

Does anyone know where 04X3780 comes from and what it is?

axur-delmeria
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Re: x220 palm rest FRU not in Lenovo Maintenance Manual

#2 Post by axur-delmeria » Tue Jul 27, 2021 11:51 pm

Probably not original. It's also likely that they're using the ASM part # (which is in the same format) and not the FRU #.
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons :lol:
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E :cry:

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Re: x220 palm rest FRU not in Lenovo Maintenance Manual

#3 Post by RealBlackStuff » Wed Jul 28, 2021 1:40 am

Check here if your TYPE (sticker on the laptop-bottom) is mentioned: https://lenovo.encompass.com/item/10626 ... o/04X3780/
They have "compatible with 4291xxx" listed.
It looks like it is a genuine FRU number.
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thinkpad80
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Re: x220 palm rest FRU not in Lenovo Maintenance Manual

#4 Post by thinkpad80 » Wed Jul 28, 2021 2:26 pm

axur-delmeria wrote:
Tue Jul 27, 2021 11:51 pm
Probably not original. It's also likely that they're using the ASM part # (which is in the same format) and not the FRU #.
I'm seeing it in many places, like here:

https://www.amazon.co.uk/Genuine-Palmre ... B07DHV7NKJ

In many of the places its described as being original/genuine, not a compatible.

axur-delmeria
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Re: x220 palm rest FRU not in Lenovo Maintenance Manual

#5 Post by axur-delmeria » Wed Jul 28, 2021 9:41 pm

To be fair, it's easy to claim that it's original when it's not. The FRU # could be a part that was added later, and the HMM might not have been updated to reflect this.
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons :lol:
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E :cry:

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Re: x220 palm rest FRU not in Lenovo Maintenance Manual

#6 Post by dr_st » Thu Jul 29, 2021 1:02 am

Whether the palmrests they are selling are genuine or not, I don't know, but the FRU 04X3780 comes up on https://support.lenovo.com/lk/en/partslookup.
Thinkpad 25 (20K7), T490 (20N3), Yoga 14 (20FY), T430s (IPS FHD + Classic Keyboard), X220 4291-4BG
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad

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