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X61s screen replacing & cpu temp questions
X61s screen replacing & cpu temp questions
Hi!
I've brought an X61s for 30$ and itt arrived with a cracked screen. I took it apart and it has a Samsung LTN121XJ-L07 screen, but i only found an LTN121XJ-L03 panel locally. I don't want to order one from abroad, I'm worried it will also arrive cracked. Is it compatible?
Also, I repasted the cpu and it goes all the way up to 65 celsius, is that normal? I used GD900 and an 1mm thick thermal pad for the chipset. Did I screw up something there also?
I've brought an X61s for 30$ and itt arrived with a cracked screen. I took it apart and it has a Samsung LTN121XJ-L07 screen, but i only found an LTN121XJ-L03 panel locally. I don't want to order one from abroad, I'm worried it will also arrive cracked. Is it compatible?
Also, I repasted the cpu and it goes all the way up to 65 celsius, is that normal? I used GD900 and an 1mm thick thermal pad for the chipset. Did I screw up something there also?
Re: X61s screen replacing & cpu temp questions
Welcome to the forum. 
I don't have any knowledge about the screen, though, sorry.
For idle, that's kinda high. If it's under load, then it's nothing. These CPUs can go up to 80C or more.
I don't have any knowledge about the screen, though, sorry.
Thinkpad 25 (20K7), T16 Gen 3 (21MQ), 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
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad
Re: X61s screen replacing & cpu temp questions
-
axur-delmeria
- Senior ThinkPadder

- Posts: 4413
- Joined: Mon May 28, 2012 5:49 am
- Location: Metro Manila, Philippines
Re: X61s screen replacing & cpu temp questions
Tumber wrote: ↑Wed Oct 27, 2021 1:32 pmHi!
I've brought an X61s for 30$ and itt arrived with a cracked screen. I took it apart and it has a Samsung LTN121XJ-L07 screen, but i only found an LTN121XJ-L03 panel locally. I don't want to order one from abroad, I'm worried it will also arrive cracked. Is it compatible?
Give me a bit of time. I have a number of X60 and X61 units, have swapped screens before, and made a list of compatible and incompatible LCDs as part of my research. I just have to remember where I put that file.
Found it!
Sadly, the LTN121XJ-L03 is not compatible. The connector is the same, but the pinout is different, and very dangerously so.
Partial pinout, LTN121XJ-L07:
1 Ground
2 +3.3v
3 +3.3v
4 Ground
Partial pinout, LTN121XJ-L03:
1 +3.3v
2 +3.3v
3 Ground
4 Ground
This means that when you connect the LTN121XJ-L03 to the X61s, it will short one +3.3v power rail and blow a fuse on the system board at the very least. Worst case is you damage the LCD, the cable, and the system board.
Aside from the LTN121XJ-L07, the X60/61 family used these standard panels:
* CMO N121X5-L06
* Boe Hydis HT121X01-101
"Standard" in this case means "not the Ultralight screen that requires a completely different lid assembly".
I've personally swapped in this one from a Dell D400 to an X60, but don't recommend it as it looks worse than the stock screen (the D400 is an older laptop model). Also, the top part of the LCD panel's metal frames is slightly bigger, and may need some finagling in order to fit inside the lid.
* Samsung LTN121XJ-L02
My research indicates that the following LCD panels are compatible, based on their datasheets (same connector and pinout). Note that I don't have personal experience with transplanting these screens into an X60 series Thinkpad, so I'll give the usual "I could be wrong" disclaimer.
* Samsung LTN121XJ-L06
* IDTech IAXG02C )
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Re: X61s screen replacing & cpu temp questions
Thanks for the reply. I have no other choice, I have to order it from china and it will cost more than the laptop.axur-delmeria wrote: ↑Wed Oct 27, 2021 11:11 pm
Give me a bit of time. I have a number of X60 and X61 units, have swapped screens before, and made a list of compatible and incompatible LCDs as part of my research. I just have to remember where I put that file.
Found it!
Sadly, the LTN121XJ-L03 is not compatible. The connector is the same, but the pinout is different, and very dangerously so.
Partial pinout, LTN121XJ-L07:
1 Ground
2 +3.3v
3 +3.3v
4 Ground
Partial pinout, LTN121XJ-L03:
1 +3.3v
2 +3.3v
3 Ground
4 Ground
This means that when you connect the LTN121XJ-L03 to the X61s, it will short one +3.3v power rail and blow a fuse on the system board at the very least. Worst case is you damage the LCD, the cable, and the system board.![]()
Aside from the LTN121XJ-L07, the X60/61 family used these standard panels:
* CMO N121X5-L06
* Boe Hydis HT121X01-101
"Standard" in this case means "not the Ultralight screen that requires a completely different lid assembly".
I've personally swapped in this one from a Dell D400 to an X60, but don't recommend it as it looks worse than the stock screen (the D400 is an older laptop model). Also, the top part of the LCD panel's metal frames is slightly bigger, and may need some finagling in order to fit inside the lid.
* Samsung LTN121XJ-L02
My research indicates that the following LCD panels are compatible, based on their datasheets (same connector and pinout). Note that I don't have personal experience with transplanting these screens into an X60 series Thinkpad, so I'll give the usual "I could be wrong" disclaimer.
* Samsung LTN121XJ-L06
* IDTech IAXG02C )
-
axur-delmeria
- Senior ThinkPadder

- Posts: 4413
- Joined: Mon May 28, 2012 5:49 am
- Location: Metro Manila, Philippines
Re: X61s screen replacing & cpu temp questions
The alternative is to order the adapter cable that's used for the SXGA+ mod, then buy that Samsung LTN121XJ-L03 locally.
Planned Purchase: T480s i5-8350 FHD Touch
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
Impulse Buy: Thinkpad not named for safety reasons
RIP: X220 4291-C91 X61 7676-A24 760XD-U9E
-
iamdmc
- Senior Member

- Posts: 754
- Joined: Fri Sep 21, 2007 11:37 pm
- Location: Downtown Toronto, Canada
Re: X61s screen replacing & cpu temp questions
been a while since the last post but I'll add my 2 cents anyway
imho buy the SXGA+ BOE hydis panel and do the mod - it will end up costing about the same as the XGA panel and is AFFS (similar to IPS) rather than one of the worst crimes against humanity of a TN panel you will ever come across
imho buy the SXGA+ BOE hydis panel and do the mod - it will end up costing about the same as the XGA panel and is AFFS (similar to IPS) rather than one of the worst crimes against humanity of a TN panel you will ever come across
ThinkPad X1C gen10 (2023)
i5-1235U | 16GB RAM | 2TB Samsung 990 Pro | QHD OLED
The X61 is dead... long live the X61
Past * current IBM (&lenovo) ThinkPads: X1C12, X1C10 P14s gen2, T480s, T450s, X250, X230, X220, X300, T410, X61s, T60p, T41, X31, T23, A21m
i5-1235U | 16GB RAM | 2TB Samsung 990 Pro | QHD OLED
The X61 is dead... long live the X61
Past * current IBM (&lenovo) ThinkPads: X1C12, X1C10 P14s gen2, T480s, T450s, X250, X230, X220, X300, T410, X61s, T60p, T41, X31, T23, A21m
-
CPC464
- Freshman Member
- Posts: 57
- Joined: Sat Nov 08, 2014 8:47 am
- Location: Borricón de Arriba, Spain
Re: X61s screen replacing & cpu temp questions
I agree, The X61 Samsung standard panel is one of the worst crimes against humanity of a TN panel, just behind the X300 paneliamdmc wrote: ↑Tue Feb 01, 2022 12:39 pmbeen a while since the last post but I'll add my 2 cents anyway
imho buy the SXGA+ BOE hydis panel and do the mod - it will end up costing about the same as the XGA panel and is AFFS (similar to IPS) rather than one of the worst crimes against humanity of a TN panel you will ever come across
About the temperatures given by the OP: My X61s with a L7700 idles below 45°C and goes over about 55 during light web browsing. Under full load it can reach 80°C too. 65°C seems a bit too high for an idle temperature. Maybe the OP´s X61s has too many task in background.
X220 IPS, i7 16Gb RAM 250Gb SSD+2Tb HD
X61 T8100, 8Gb RAM, Middleton BIOS, 480 Gb SSD, sxga+
W520 i7 quad, FHD, 32Gb, 512 SSD+2Tb HD
W701 24Gb RAM, WUXGA, 240 Gb SSD+1Tb HD,
others
X61t, X200t, W500, T43p UXGA, R50p UXGA, T60p UXGA
600, X21, X24, X30, X41, A30p UXGA
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