ThinkPad T40/T41/T42/T43 Series

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ThinkPad T40/T41/T42/T43 Series

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Last post

T43p SATA Guide (There are pictures, it's 2020)

Last post by WEissbr0t « Wed Aug 31, 2022 7:32 am
Replies: 191
by Bibin » Fri Feb 18, 2011 7:02 pm
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I have written up a clear, documented guide on how to do this modification and hosted it on my website:

As many know the T43, T43p, X41, X41T,...
191 Replies

204745 Views

Last post by WEissbr0t
Wed Aug 31, 2022 7:32 am
GUIDE: Reflow GPU fix - 56K WARNING!!!

Last post by RealBlackStuff « Sat Aug 26, 2017 8:55 am
Replies: 255
by visionviper » Sat Feb 09, 2008 2:32 am
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This should go without saying but...
You are voiding your warranty by doing this. You also risk causing permanent damage to your motherboard.

If...
255 Replies

692192 Views

Last post by RealBlackStuff
Sat Aug 26, 2017 8:55 am
GUIDE: Make your T4x *FAST* by replacing the HDD with a SSD!

Last post by Johan « Sun Oct 14, 2012 2:21 pm

by Johan » Sun Oct 14, 2012 2:21 pm

GUIDE: Make your T4x *FAST* by replacing the HDD with a SSD!!

The purpose of this sticky is to help make more T4x-owners aware of a hardware...

0 Replies

45788 Views

Last post by Johan
Sun Oct 14, 2012 2:21 pm
T40p Screen is wild

Last post by RealBlackStuff « Mon Jun 05, 2023 11:34 pm
Replies: 3
by dafi » Mon Jun 05, 2023 8:14 am

Hi everyone,

I have to say; I am not an expert. But I’ve had my T40p since almost 20 years and I currently only use it to send files to a laser...

3 Replies

108 Views

Last post by RealBlackStuff
Mon Jun 05, 2023 11:34 pm
T43 recovery media on USB

Last post by RealBlackStuff « Sat Jun 03, 2023 11:11 am
Replies: 1
by John_Vella » Sat Jun 03, 2023 8:18 am

Hi,

I'm currently downloading the recovery discs for my Thinkpad T43 and am wondering if I can burn the ISO files to a USB stick, rather than having...

1 Replies

129 Views

Last post by RealBlackStuff
Sat Jun 03, 2023 11:11 am
Youtube on T42 screen

Last post by dr_st « Sat May 20, 2023 3:26 am
Replies: 1
by ziloo » Wed May 17, 2023 5:50 am

Hello Thinkpals :banana:

The Youtube site web page is now so large on my T42 screen that
I can't see the main movie screen!!! I have Chrome and Win...

1 Replies

307 Views

Last post by dr_st
Sat May 20, 2023 3:26 am
T42 DVD/CD-RW Connecting / Disconnecting

Last post by Callahan « Sun May 14, 2023 6:00 am
Replies: 8
by Callahan » Sat May 06, 2023 9:12 am

This just started happening less than an hour ago ... it has never happened before with any of my ThinkPads since I got them 13 years ago. The CD/DVD...

8 Replies

513 Views

Last post by Callahan
Sun May 14, 2023 6:00 am
T43p Intermittent Start

Last post by Tom81 « Tue May 02, 2023 6:18 pm
Replies: 2
by TPFanatic » Tue May 02, 2023 10:15 am

AC in, it charges battery, press power button and it goes lights off.
Pull cmos battery and reinstall no change.
No battery no change....

2 Replies

358 Views

Last post by Tom81
Tue May 02, 2023 6:18 pm
T41 RAM Upgrade Issue

Last post by kfzhu1229 « Wed Apr 19, 2023 3:14 pm
Replies: 6
by Sleora » Tue Apr 18, 2023 10:36 am

Greetings, today (when this topic is posted) I received a set of 2 Ram sticks of 1GB each Komputerbay 333Mhz DDR PC2700 DDR333 found on Amazon for my...

6 Replies

632 Views

Last post by kfzhu1229
Wed Apr 19, 2023 3:14 pm
T42 with Flash Drives Connecting / Disconnecting

Last post by Callahan « Sun Apr 16, 2023 4:54 pm
Replies: 7
by Callahan » Sat Apr 15, 2023 12:37 pm

I seem to be having problems since last year with my flash drives connecting and disconnecting at a rapid pace. I was thinking the USB ports on my...

7 Replies

652 Views

Last post by Callahan
Sun Apr 16, 2023 4:54 pm
ThinkPad T42 recovery media

Last post by djeden « Tue Mar 21, 2023 4:29 pm
Replies: 1
by PenScales » Sat Dec 17, 2022 3:01 pm

Hello. New member to the forums here.

I'm looking for Recovery Media for a ThinkPad T42 that shipped with Windows XP Profesional. It still has the...

1 Replies

1353 Views

Last post by djeden
Tue Mar 21, 2023 4:29 pm
BMDC-3 (39T0026) in T40-T42

Last post by dandreye « Tue Mar 21, 2023 5:41 am

by dandreye » Tue Mar 21, 2023 5:41 am

Hi All,

Does anyone have a BT & modem daughter card BMDC-3 (39T0026) working in their T40-T42? My old thread suggests the answer would most likely...

0 Replies

405 Views

Last post by dandreye
Tue Mar 21, 2023 5:41 am
T41 mb

Last post by dr_st « Sun Feb 19, 2023 4:48 pm
Replies: 1
by deickos » Sun Feb 19, 2023 3:43 pm

I wanted to ask if a motherboard from a T41p will do for a T43
the chassis look the same

1 Replies

768 Views

Last post by dr_st
Sun Feb 19, 2023 4:48 pm
Graphics performance for T4x range

Last post by kfzhu1229 « Wed Jan 25, 2023 12:22 am
Replies: 9
by nfraser01 » Sun Jan 15, 2023 5:02 pm

Hi All

I've ended up with a three T42's - one with Intel graphics, one with the Mobility Radeon 7500 and one with the Fire GL T2 (same(ish) as...

9 Replies

1709 Views

Last post by kfzhu1229
Wed Jan 25, 2023 12:22 am
Weird T42 (with a R51 motherboard?)

Last post by nfraser01 « Thu Jan 05, 2023 7:31 am
Replies: 9
by nfraser01 » Tue Jan 03, 2023 4:36 pm

Quick story...

My first ThinkPad was T42 that I bought during lockdown as something to tinker with. It was always a bit odd - never seeming to be...

9 Replies

1664 Views

Last post by nfraser01
Thu Jan 05, 2023 7:31 am
T43 14-inch MoBo in T42p 15-inch Chasis

Last post by kfzhu1229 « Tue Dec 20, 2022 4:46 pm
Replies: 4
by WarhawkCZ » Tue Dec 20, 2022 5:19 am

Guys, I just want to make sure. Will 14-inch T43 mobo work in T42p -15inch Chasis?
Is there any catch (like LCD cable)? The T42p is 1600x1200

4 Replies

1265 Views

Last post by kfzhu1229
Tue Dec 20, 2022 4:46 pm
T43 recovery

Last post by dr_st « Wed Dec 07, 2022 2:04 pm
Replies: 5
by Tom81 » Thu Dec 01, 2022 9:26 am

Hi all.
I bought a used Fujitsu FRU P/N 13N6913 HDD, put it in a Thinkpad T43 and it turned out that there is a working recovery partition on it.
My...

5 Replies

1443 Views

Last post by dr_st
Wed Dec 07, 2022 2:04 pm
T42P needs parts

Last post by RealBlackStuff « Thu Nov 10, 2022 2:16 am
Replies: 1
by crab_rangoon » Wed Nov 09, 2022 7:54 pm

Hi!
I've got a 15 IBM Thinkpad T42P with lots of cracking on the plastic case which I'd like to fix/replace. The screen is good, the motherboard is...

1 Replies

1375 Views

Last post by RealBlackStuff
Thu Nov 10, 2022 2:16 am
T42 fan

Last post by kfzhu1229 « Sat Nov 05, 2022 11:58 am
Replies: 2
by hixs » Tue Sep 06, 2022 6:14 pm

Need help Identifying fan wires on t42 fan to test the fan. 1) red----- 2) blue---- 3)orange--normally red would be pos+ while black is neg- I'm...

2 Replies

1236 Views

Last post by kfzhu1229
Sat Nov 05, 2022 11:58 am
T42 - Windows 98 Restore Media?

Last post by theterminator93 « Fri Nov 04, 2022 3:57 pm
Replies: 2
by np247 » Fri Nov 04, 2022 8:05 am

Good morning,

I was given a T42 which I've spent far too much time/money on cleaning up. Knowing who this came from, I can almost certainly say they...

2 Replies

1512 Views

Last post by theterminator93
Fri Nov 04, 2022 3:57 pm
New T42 motherboard ATI 9600 vidoe crashes

Last post by kfzhu1229 « Mon Oct 10, 2022 4:04 pm
Replies: 6
by gdepetro » Wed Apr 13, 2022 4:47 pm

I put a brand new T42 motherboard in a T43 case. Installed XP. The viedo ATI 9600 crashes and will not run. Use the Lenovo video drive. Also notice...

6 Replies

3714 Views

Last post by kfzhu1229
Mon Oct 10, 2022 4:04 pm
Right/Left Click not working on T43

Last post by E Waste Connoisseur « Sun Oct 02, 2022 5:16 pm
Replies: 2
by E Waste Connoisseur » Sat Oct 01, 2022 2:53 am

Hey, first I'd like to say thank you for all the information this forum has provided. I've ran into a problem and for the first time can't seem to...

2 Replies

1881 Views

Last post by E Waste Connoisseur
Sun Oct 02, 2022 5:16 pm
Wi-Fi Antenna for T4x

Last post by RealBlackStuff « Wed Sep 07, 2022 12:03 pm
Replies: 2
by ziloo » Wed Sep 07, 2022 9:11 am

Hello Thinkpals, :banana:

Can we boost w-fi reception for a T4x by connecting
an antenna to some location (where :?: :!: :?: ) on
the laptop???...

2 Replies

2001 Views

Last post by RealBlackStuff
Wed Sep 07, 2022 12:03 pm
Stripped the rubberised finish off the lid - what now?

Last post by tasman « Tue Sep 06, 2022 6:02 am
Replies: 2
by tasman » Sun Sep 04, 2022 7:58 am

My T42 was suffering from a very tired and sticky lid, to the point it made me cringe every time I touched it. Completely fed up I decided to strip...

2 Replies

2181 Views

Last post by tasman
Tue Sep 06, 2022 6:02 am
T41 and Internet connection

Last post by ziloo « Sat Sep 03, 2022 6:41 am
Replies: 6
by ziloo » Sun Aug 07, 2022 3:32 pm

Hello Thinkpals, :banana:

My T41 with win xp pro doesn't have any appetite for
either wired or wireless connection to the internet. :BAAAD!:
What...

6 Replies

2418 Views

Last post by ziloo
Sat Sep 03, 2022 6:41 am
T42 refuses to work after club Med...

Last post by kfzhu1229 « Fri Sep 02, 2022 12:02 pm
Replies: 9
by ziloo » Tue Aug 23, 2022 3:34 pm

Hello ThinkPals :banana:

After a few months of being off for vacation,
my functioning T42 with green battery light on
refuses to boot!! :BAAAD!:...

9 Replies

2467 Views

Last post by kfzhu1229
Fri Sep 02, 2022 12:02 pm
T41p turns on but no beep, no displays, cpu fan speeds up and down.... ideas?

Last post by solidpro « Thu Sep 01, 2022 1:30 pm
Replies: 5
by solidpro » Sat Aug 27, 2022 6:09 am

Hi

I've got a T41p and when you turn it on, it seems to be powering on for 2 seconds and then it just shuts down again.

I've removed the...

5 Replies

2443 Views

Last post by solidpro
Thu Sep 01, 2022 1:30 pm
M.2 NGFF 256 Gb SSD to IDE Converter internal enclosure problems

Last post by WEissbr0t « Wed Aug 31, 2022 7:49 am
Replies: 5
by GColgrove » Tue Jul 12, 2022 6:53 am

I have a Thinkpad T41 (old machine) that I would like to swap out the old HDD for a M.2 NGFF 256 Gb to IDE converter internal enclosure. This is the...

5 Replies

2623 Views

Last post by WEissbr0t
Wed Aug 31, 2022 7:49 am
The screwy Screws

Last post by WEissbr0t « Wed Aug 31, 2022 7:46 am
Replies: 3
by ziloo » Fri May 27, 2022 4:10 am

Ok Folks,

I know you have heard this before, but here I go again:

Some of the screws on the back of the T4x are worn on the head :screwy: ;
so the...

3 Replies

2649 Views

Last post by WEissbr0t
Wed Aug 31, 2022 7:46 am
Port Replicator Docking for T4x

Last post by WEissbr0t « Wed Aug 31, 2022 7:41 am
Replies: 1
by ziloo » Fri May 20, 2022 8:31 am

:help:
Hello ThinkPals,

Anybody has had experience with Port Replicator Docking for T4x,
specially using the RS232 port?

ziloo :mrgreen:

1 Replies

2641 Views

Last post by WEissbr0t
Wed Aug 31, 2022 7:41 am
T41 with no heatsink over GPU ok for gaming?

Last post by WEissbr0t « Wed Aug 31, 2022 7:33 am
Replies: 3
by Jefferson » Thu Aug 25, 2022 9:15 pm

I noticed that my T41 has a short heatsink that does not cover GPU.

I have W98 installed on it and was gonna play some games for a few hours but I...

3 Replies

2277 Views

Last post by WEissbr0t
Wed Aug 31, 2022 7:33 am
Blinking WiFi LED Light - Turn it OFF

Last post by sebastek « Sun Aug 28, 2022 1:55 am
Replies: 13
by Rhino » Wed Sep 21, 2005 2:51 am

Second only to the fan problem comes the (green) LED blinking. This is by the Intel WiFi controller. The LED is on the LED strip located underneath...

13 Replies

12237 Views

Last post by sebastek
Sun Aug 28, 2022 1:55 am
4-4-4-4 beep code caused by bad RAM?

Last post by IBM-THINKPAD-T40 « Sat Aug 20, 2022 2:07 am
Replies: 3
by brucehe » Fri Feb 17, 2012 12:03 pm

I apologize if this has been discussed but my Google Search of the forum did not come up with this story.

My Dad's t42 had come up with a red screen...

3 Replies

9683 Views

Last post by IBM-THINKPAD-T40
Sat Aug 20, 2022 2:07 am
Decent Browser for T4x

Last post by dr_st « Fri Aug 19, 2022 9:08 pm
Replies: 4
by ziloo » Thu Aug 18, 2022 4:58 am

Hello Thinkpals :banana:

Although older version of Firefox is doing fine on
my T42, are there other browsers that are light and
adequate for...

4 Replies

2184 Views

Last post by dr_st
Fri Aug 19, 2022 9:08 pm
defective IBM Thinkpad T40 device

Last post by Bryce11 « Wed Aug 03, 2022 2:49 am

by Bryce11 » Wed Aug 03, 2022 2:49 am

I recently acquired a supposedly new and unused item, however the problem is that it won't start. Nothing appears on the screen when the power lead...

0 Replies

2104 Views

Last post by Bryce11
Wed Aug 03, 2022 2:49 am
Candidate for a Reball?

Last post by axur-delmeria « Sat Jul 30, 2022 9:56 pm
Replies: 1
by ProjectNightmare » Sat Jul 30, 2022 3:09 pm

I own a IBM ThinkPad T42 which I purchased from a Car boot Sale for £10 it does work but is quite flaky sometimes it will run fine others it will...

1 Replies

1891 Views

Last post by axur-delmeria
Sat Jul 30, 2022 9:56 pm
Will Linux make T43 run faster?

Last post by dimamyth « Fri Jul 29, 2022 12:21 am
Replies: 14
by Jefferson » Sat Jul 16, 2022 2:15 am

I consider a laptop usable if it can run Youtube.

My T43 is pretty much maxed out, with 2.13 Ghz CPU and 2GB memory,

with msata SSD on msata to...

14 Replies

4088 Views

Last post by dimamyth
Fri Jul 29, 2022 12:21 am
T40: Need the BIOS ROM-file

Last post by IBM-THINKPAD-T40 « Thu Jul 28, 2022 11:31 am

by IBM-THINKPAD-T40 » Thu Jul 28, 2022 11:31 am

Can someone PLEASE clone the BIOS from working T40 and send to me the ROM file?

very recently the BIOS in my T40 died and im heartbroken that i cant...

0 Replies

2036 Views

Last post by IBM-THINKPAD-T40
Thu Jul 28, 2022 11:31 am
Thinkpad T4x and Arduino

Last post by kfzhu1229 « Wed Jul 20, 2022 2:17 pm
Replies: 3
by ziloo » Wed Jul 20, 2022 6:48 am

Hello ThinkPals, :banana:

I was wondering whether anybody around here has had
any experience with connecting Arduino (or any other
embedded...

3 Replies

2303 Views

Last post by kfzhu1229
Wed Jul 20, 2022 2:17 pm
T43p neither trackpoint, nor trackpad work...

Last post by SMA « Wed Jul 20, 2022 9:02 am
Replies: 6
by solidpro » Fri Jul 01, 2022 10:56 am

Hi All

I have a T43p 14 with an odd problem. Neither the trackpoint on the keyboard, it's mouse buttons, nor the trackpad and it's mouse buttons...

6 Replies

2985 Views

Last post by SMA
Wed Jul 20, 2022 9:02 am
T41 sound Recording

Last post by kfzhu1229 « Mon Jul 18, 2022 7:23 pm
Replies: 2
by ziloo » Mon Jul 18, 2022 4:13 am

Hello Thinkpals,

I was trying to test an inexpensive microphone on a T41
using Audacity for recording. The sound from T41 going into
the external...

2 Replies

2172 Views

Last post by kfzhu1229
Mon Jul 18, 2022 7:23 pm
A/B/G/N Mini PCI Card Upgrade

Last post by GColgrove « Sun Jul 17, 2022 6:39 pm
Replies: 8
by GColgrove » Sat Jun 18, 2022 10:12 pm

I’m restoring and upgrading my IBM ThinkPad T41 because I want to. No other reason. It’s my oldest computer and my mom used it for a few years. It’s...

8 Replies

3561 Views

Last post by GColgrove
Sun Jul 17, 2022 6:39 pm
Intel Pentium M 765 in T41

Last post by kfzhu1229 « Fri Jul 15, 2022 1:12 pm
Replies: 9
by GColgrove » Wed Jul 13, 2022 8:11 am

I put a PM 765 (2.1 GHz) in my T41 and it would not boot. I have heard this processor works. I'm assuming that because the computer won't turn on the...

9 Replies

2983 Views

Last post by kfzhu1229
Fri Jul 15, 2022 1:12 pm
BIOS File Archive

Last post by GColgrove « Fri Jul 15, 2022 8:58 am
Replies: 4
by GColgrove » Thu Jul 14, 2022 7:21 am

Q1: Are there any BIOS archive sites that provide previous versions of the BIOS?

Q2: Can an older BIOS be applied over a newer BIOS?

Q3: I am...

4 Replies

2417 Views

Last post by GColgrove
Fri Jul 15, 2022 8:58 am
T42 key replacement

Last post by kfzhu1229 « Fri Jul 01, 2022 12:05 pm
Replies: 2
by ziloo » Fri Jul 01, 2022 3:29 am

Hello Folks,

I am trying to replace a couple of keys on a T42. The keyboard is good but
it is missing two keys and the associated blue conical...

2 Replies

2340 Views

Last post by kfzhu1229
Fri Jul 01, 2022 12:05 pm
T41p - after attempting to replace LCD, no LCD will work!?

Last post by solidpro « Sun Jun 26, 2022 11:53 am
Replies: 1
by solidpro » Sun Jun 26, 2022 10:57 am

Hi All

I have a T41p which had a blotchy LCD display. I sourced a new replacement - like for like. Removed the mains power and main battery, and...

1 Replies

2444 Views

Last post by solidpro
Sun Jun 26, 2022 11:53 am
T43 / P machine differences in palm rests and touchpad/mouse buttons

Last post by kfzhu1229 « Fri Jun 24, 2022 2:54 pm
Replies: 2
by solidpro » Thu Jun 23, 2022 12:58 pm

Hi All

I have a couple of T4x machines - They're labelled T41p, T42 and T43p and all of them have a one piece plastic surround around the keyboard...

2 Replies

2625 Views

Last post by kfzhu1229
Fri Jun 24, 2022 2:54 pm
Thinkpad T42 DVD drive

Last post by kfzhu1229 « Mon Jun 13, 2022 3:09 pm
Replies: 4
by ziloo » Mon Jun 13, 2022 8:32 am

Hello Folks,

I have a Dell Inspiron 6400 with a dead DVD drive, and
a nice still functioning IBM DVD drive in my T42. Just for
the fun of it, I...

4 Replies

2712 Views

Last post by kfzhu1229
Mon Jun 13, 2022 3:09 pm
Where to get Windows xp OEM from for t41?

Last post by dr_st « Wed May 18, 2022 12:42 pm
Replies: 10
by proveren » Fri Mar 21, 2008 4:40 pm

I bought a used t41 and installed a regular XP on it. And of course it didn't accept it because it wasn't IBM OEM windows XP, but I didn't know that...

10 Replies

7718 Views

Last post by dr_st
Wed May 18, 2022 12:42 pm
Another T43 with darkish screen

Last post by ziloo « Wed May 18, 2022 9:58 am
Replies: 6
by ziloo » Mon May 16, 2022 5:34 am

...
This T43 has no problem with external monitor, but when you
boot into its own screen...the lcd lights up whitish for one second,
and then it is...

6 Replies

2911 Views

Last post by ziloo
Wed May 18, 2022 9:58 am

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