ThinkPad T400/T410/T420 and T500/T510/T520 Series

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Replies

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Last post

Booting log-in problem

Last post by RealBlackStuff « Thu May 06, 2021 10:43 am
Replies: 3
by clarkvance » Wed May 05, 2021 7:00 pm

I posted previously that I had inherited my late sister's Thinkpad T420, and being a Mac user, know virtually nothing about how to operate this...

3 Replies

3547 Views

Last post by RealBlackStuff
Thu May 06, 2021 10:43 am
[SOLVED] Is it possible to use a 170W AC adapter with the T520

Last post by cadillacmike68 « Wed May 05, 2021 12:58 pm
Replies: 9
by Speedboy » Mon Sep 11, 2017 10:20 am

My T520 was seemingly incorrectly shipped with the 90W adapter, since it's a quad-core model with switchable graphics, it should've come with a 135W...

9 Replies

8051 Views

Last post by cadillacmike68
Wed May 05, 2021 12:58 pm
Internet software/drivers for T420

Last post by karotlopj « Wed May 05, 2021 11:58 am

by karotlopj » Wed May 05, 2021 11:58 am

Does anyone know of any software/device drivers I would need to test the cellular modem on my T420?

0 Replies

4060 Views

Last post by karotlopj
Wed May 05, 2021 11:58 am
T420 as 4G router

Last post by karotlopj « Sat May 01, 2021 5:37 am
Replies: 6
by karotlopj » Thu Apr 29, 2021 4:57 am

Just noticed my T420 takes a SIM card, so I was thinking it may be possible to turn it into a 4G router.

Has anyone done this or thinks it might be...

6 Replies

5616 Views

Last post by karotlopj
Sat May 01, 2021 5:37 am
about to do T420 IPS panel upgrade - parts recommendation?

Last post by nofish « Wed Apr 28, 2021 6:38 pm
Replies: 2
by nofish » Mon Mar 01, 2021 6:16 am

I'm about to do (or rather I got someone who does it for me) the IPS panel upgarde for my T420.
It's the one with HD+ display/dedicated graphics....

2 Replies

4647 Views

Last post by nofish
Wed Apr 28, 2021 6:38 pm
T520 keyboard issue (strange) only power button works

Last post by atagunov « Sun Apr 25, 2021 6:37 am
Replies: 9
by fiat682 » Fri Apr 16, 2021 7:14 pm

hello i just got a thinkpad t520 in lot with a t530 bottom with board kb ecc, strange thing is that the thinkpad t520 had the palmrest of the 530 and...

9 Replies

6042 Views

Last post by atagunov
Sun Apr 25, 2021 6:37 am
[FAN FOUND] T520 what is the best heatsink that will work well with an i7 2960xm and fit in a T520 integrated graphics.

Last post by DiagonalArg « Thu Apr 22, 2021 9:34 pm
Replies: 4
by OCKing » Tue Jul 04, 2017 8:18 am

I have had this laptop for a few months now. I am planning to upgrade the processor. I'm really just looking for a fan/heatsink to combat it's insane...

4 Replies

5239 Views

Last post by DiagonalArg
Thu Apr 22, 2021 9:34 pm
T400 shuts down when battery on 10-12%

Last post by voytee « Tue Apr 13, 2021 5:34 am
Replies: 2
by voytee » Mon Apr 12, 2021 10:33 am

Hello

I just bought a new 9-cell battery for my t400. It`s not a genuine lenovo model but its a good (i think) brand - MOVANO.

The battery holds up...

2 Replies

3786 Views

Last post by voytee
Tue Apr 13, 2021 5:34 am
T510 WiFi card suddenly dead?

Last post by pendragon1 « Mon Mar 29, 2021 9:43 am
Replies: 5
by MikalE » Wed Oct 07, 2020 4:13 pm

Find and reload the driver. Even if it's bad it should still show up in Device Manager.

Click the driver link at the top of the page and look for it.

5 Replies

3169 Views

Last post by pendragon1
Mon Mar 29, 2021 9:43 am
T510 can't turn Wifi on/ Fn + F5 not working

Last post by pendragon1 « Mon Mar 29, 2021 9:34 am
Replies: 27
by Recife » Mon Jan 25, 2016 10:49 am

T510 can't turn Wifi on/ Fn + F5 not working
Windows 10

All of a sudden my wifi has stopped working, I have double checked the physical button at...

27 Replies

18573 Views

Last post by pendragon1
Mon Mar 29, 2021 9:34 am
Thinkpad T420 display backlight voltage issue

Last post by axur-delmeria « Sun Mar 28, 2021 7:02 pm
Replies: 4
by nihar13 » Sun Aug 16, 2020 5:59 pm

Dear fellows,
I have a ThinkPad T420 (with intel onboard graphics and i5 2nd gen). I was using it proudly since a decade now! Recently it showed some...

4 Replies

6579 Views

Last post by axur-delmeria
Sun Mar 28, 2021 7:02 pm
Thinkpad T410 does not charge or charge very slowly

Last post by Mauro82 « Fri Mar 26, 2021 5:02 am
Replies: 5
by Mauro82 » Mon Jan 25, 2021 8:13 am

Hi, mi T410 charge the battery very slowly (0.1W) or does not charge at all. To avoid damage to the battery which remained at 0% I charged it...

5 Replies

4915 Views

Last post by Mauro82
Fri Mar 26, 2021 5:02 am
T420i bad batteries or bad system board?

Last post by bloovis « Tue Mar 23, 2021 7:24 am
Replies: 7
by bloovis » Sun Mar 07, 2021 10:41 am

I was recently given a T420i with what appears to be a nearly dead battery: 42T4791 (55+) that Linux reports as having only about 9 Wh capacity when...

7 Replies

4965 Views

Last post by bloovis
Tue Mar 23, 2021 7:24 am
can I use a t400 fan in a t420?

Last post by TPFanatic « Sun Mar 21, 2021 8:42 pm
Replies: 1
by angelofthesouth1 » Sat Mar 20, 2021 3:58 pm

I bought this replacement fan for my T400: But because my T400 is my only working computer at this time and trhe worn-out fan is holding together for...

1 Replies

3296 Views

Last post by TPFanatic
Sun Mar 21, 2021 8:42 pm
Measure voltage output of My Lenovo charger.. how? (failing charger?)

Last post by kfzhu1229 « Sat Mar 06, 2021 7:17 pm
Replies: 7
by cfixer » Thu Sep 17, 2020 1:30 pm

Hi :)
I'm sitting with this type of charger because i want to diagnose if it's failing,
for a T410s and wondering why i get zero volts if i try to...

7 Replies

9275 Views

Last post by kfzhu1229
Sat Mar 06, 2021 7:17 pm
HELP FOR BIOS MOD - T510, T410 quad core, possible?

Last post by TPFanatic « Fri Mar 05, 2021 5:46 pm
Replies: 6
by Sunshine701c » Fri Mar 05, 2021 1:37 am

I have a few Thinkpads of this generation lying around, including 2 T410s and 2 T510 thinkpads. I also have a dell latitude e6410 (it uses the same...

6 Replies

6767 Views

Last post by TPFanatic
Fri Mar 05, 2021 5:46 pm
T410 left and right TrackPoint buttons do not work, but middle button does

Last post by RealBlackStuff « Sun Feb 28, 2021 4:46 am
Replies: 1
by hughmungus » Sun Feb 28, 2021 4:38 am

My T410 has a weird problem: above the touchpad, the left and right TrackPoint buttons do not work, but the middle button works fine. The TrackPoint...

1 Replies

3974 Views

Last post by RealBlackStuff
Sun Feb 28, 2021 4:46 am
T420 Upgarde to i5 3470T ?

Last post by axur-delmeria « Sat Feb 27, 2021 8:45 pm
Replies: 7
by WoodyinMN » Thu Feb 18, 2021 11:13 am

Howdy,

I have a Lenovo T420 - currently with the i5 2520M. I have seen some posts on going to a quad core CPU. I want to go to a faster Dual Core....

7 Replies

6528 Views

Last post by axur-delmeria
Sat Feb 27, 2021 8:45 pm
T400 /p8400 64 bit w10 switchable -----

Last post by Ignorant « Thu Feb 25, 2021 11:58 am
Replies: 8
by Ignorant » Sat May 25, 2019 10:01 am

I have a w10 64 bit working.The switchable graphics is all crap(vokswagon quality) and generates heat in excess of any usage.!
The chip say ATI...

8 Replies

11052 Views

Last post by Ignorant
Thu Feb 25, 2021 11:58 am
T420 Webcam Upgrade

Last post by gevor « Sat Feb 20, 2021 4:31 am
Replies: 1
by vivaelt42 » Sat Jul 23, 2016 12:47 pm

Recently I dropped an SSD into my T420, bought the extended life 9-cell, and repasted the CPU heatsink. Man, this thing flys now. However, the webcam...

1 Replies

3992 Views

Last post by gevor
Sat Feb 20, 2021 4:31 am
replacing lenovo sound speakerss...

Last post by atagunov « Thu Feb 18, 2021 9:53 am
Replies: 1
by Ignorant » Thu Feb 18, 2021 8:57 am

There are only 2 pair of thin wires to each speaker...Can someone who dabbles in noise,sound,stereo guide me to make some measurements to use to...

1 Replies

3291 Views

Last post by atagunov
Thu Feb 18, 2021 9:53 am
best discreet graphics card....

Last post by Ignorant « Thu Feb 18, 2021 5:41 am
Replies: 2
by Ignorant » Tue Feb 16, 2021 7:42 am

which is the best discrete graphics card driver to use with T2765-T6U.
I was using till currently only intel graphics drive with W0 at res 1440 X...

2 Replies

3345 Views

Last post by Ignorant
Thu Feb 18, 2021 5:41 am
T410 boots to external monitor...or something...

Last post by T410 « Tue Feb 16, 2021 2:29 pm
Replies: 1
by T410 » Mon Feb 15, 2021 11:28 pm

This doesn't seem to be a Linux problem, although i use Mint. I transferred my old hard drive from my T410 to a new T410 a couple months ago, and...

1 Replies

3129 Views

Last post by T410
Tue Feb 16, 2021 2:29 pm
T410 beeps on startup but boots normally

Last post by RealBlackStuff « Tue Feb 16, 2021 2:49 am
Replies: 3
by androidian5980 » Sat Jan 30, 2021 6:59 pm

Hi everyone, I'm brand new here. I've had this issue for a while now but just came across this forum, so I thought this would be a good place to ask...

3 Replies

3731 Views

Last post by RealBlackStuff
Tue Feb 16, 2021 2:49 am
How can I tell if an audio card is fried (and how to fix it)?

Last post by Ignorant « Fri Feb 12, 2021 3:35 pm
Replies: 8
by agregate » Mon Nov 30, 2020 12:43 pm

I have a T400 that I bought last year and I've never been able to get the speakers to work. If I plug in headphones, then the sound is perfectly fine...

8 Replies

7272 Views

Last post by Ignorant
Fri Feb 12, 2021 3:35 pm
4 cell battery..

Last post by Ignorant « Fri Feb 12, 2021 10:04 am
Replies: 6
by Ignorant » Tue Feb 09, 2021 2:50 am

while scouting i noticed for a T400 a 4 cell battery.
My Laptop is mostly connected to mains . currently it has leovos original 9 cell heavy...

6 Replies

4042 Views

Last post by Ignorant
Fri Feb 12, 2021 10:04 am
Weird display problem

Last post by kfzhu1229 « Thu Feb 11, 2021 2:55 am
Replies: 2
by Ragnar » Wed Feb 10, 2021 6:24 pm

I have a weird problem with a t520. The output to the screen quit working. Once I cleared the cmos I could output to a monitor. But still nothing on...

2 Replies

3053 Views

Last post by kfzhu1229
Thu Feb 11, 2021 2:55 am
internal speakers very low volume...forced to plug in earphones

Last post by Ignorant « Tue Feb 09, 2021 1:58 am
Replies: 4
by Ignorant » Fri Feb 05, 2021 1:11 am

Suggestions on replacing the internal sound speakers with noisy internal sound speakers ..please..
I just got my T400 opened up yesterday to know why...

4 Replies

3739 Views

Last post by Ignorant
Tue Feb 09, 2021 1:58 am
coreboot rom for Thinkpad T420

Last post by regenwald343424 « Thu Feb 04, 2021 4:06 pm
Replies: 2
by regenwald343424 » Tue Feb 02, 2021 4:49 pm

Hi all,

I am looking for a recent coreboot build for a Thinkpad T420 that actually works. I already compiled tree coreboot roms myself and flashed...

2 Replies

4039 Views

Last post by regenwald343424
Thu Feb 04, 2021 4:06 pm
WQHD - LCD issue.. what is wrong?

Last post by abently2 « Mon Feb 01, 2021 5:22 pm

by abently2 » Mon Feb 01, 2021 5:22 pm

Hi guys,

I installed a LP140QH1-SPB1 in my T430 using the e-qstore kit almost 1 year ago.

Today I noticed a lighter area in the middle of the...

0 Replies

3358 Views

Last post by abently2
Mon Feb 01, 2021 5:22 pm
T420 Coreboot difficulty?

Last post by regenwald343424 « Mon Feb 01, 2021 2:48 pm
Replies: 8
by VanZan » Sat Jul 25, 2020 5:00 am

Looking for something to do and was thinking about Coreboot. I have 2 T420 laptops I use daily (1 other in reserve). I bought the items necessary for...

8 Replies

10392 Views

Last post by regenwald343424
Mon Feb 01, 2021 2:48 pm
I bought myself a T520

Last post by atagunov « Sun Jan 31, 2021 3:45 pm
Replies: 3
by rolierop » Sun Jan 31, 2021 9:45 am

Hi all,

I wanted to introduce myself, since I bought a ThinkPad T520 from a reseller in refurbished laptops. This one is in cosmetic good shape.
My...

3 Replies

3213 Views

Last post by atagunov
Sun Jan 31, 2021 3:45 pm
T420 Palmrest: metal parts?

Last post by 7rowsforlife « Sun Jan 31, 2021 8:44 am
Replies: 5
by 7rowsforlife » Sat Jan 30, 2021 10:13 am

I am trying to find a replacement for my faithful T420's palmrest. I have put this machine through the wringer over the last 9.5 years, and while the...

5 Replies

3557 Views

Last post by 7rowsforlife
Sun Jan 31, 2021 8:44 am
T420 Audio Stuttering Issue

Last post by thewezel « Sun Jan 31, 2021 7:13 am
Replies: 12
by thewezel » Fri Oct 02, 2020 1:07 am

I have noticed that my beloved T420 with Windows 10 has been having issues with audio stuttering. I have tried just about every solution on the...

12 Replies

8330 Views

Last post by thewezel
Sun Jan 31, 2021 7:13 am
t420: best TN display

Last post by euless « Fri Jan 29, 2021 5:00 am
Replies: 14
by euless » Wed Jan 27, 2021 12:40 am

Hi

i am thinking buying a T420. I would probably want to upgrade to a better TN display. what is the best qualiy and reliable TN display I can buy?...

14 Replies

8177 Views

Last post by euless
Fri Jan 29, 2021 5:00 am
T420 USB-C 3.1 Mod

Last post by flyingfishfinger « Wed Jan 27, 2021 5:41 pm
Replies: 1
by djammin16 » Wed Jan 27, 2021 5:25 pm

I've had a T420 since they came out and has been my daily driver for the majority of that time. I've been acquiring a larger number of USB-C devices...

1 Replies

5730 Views

Last post by flyingfishfinger
Wed Jan 27, 2021 5:41 pm
T420 1600x900 panel, problems

Last post by Flakez « Tue Jan 26, 2021 5:23 am
Replies: 3
by Flakez » Mon Jan 25, 2021 7:52 am

Hell you guys.

I have replaced the panel of my T420 to a 1600x900 panel, which is a great improvement but..

Im having some issues with brightness,...

3 Replies

3241 Views

Last post by Flakez
Tue Jan 26, 2021 5:23 am
T520 msata drive recommendations

Last post by Eugor « Sun Jan 24, 2021 2:08 pm
Replies: 4
by Eugor » Sat Jan 23, 2021 3:28 pm

I have a T520. I put a PNY 120gb ssd that I had laying around in the main drive bay and loaded it w/ linux mint 20 xfce.
I intend to put a 250gb...

4 Replies

3879 Views

Last post by Eugor
Sun Jan 24, 2021 2:08 pm
[Solved]T520 Left Click Track and Touch buttons not working

Last post by Eugor « Sun Jan 24, 2021 8:51 am
Replies: 4
by Eugor » Sat Jan 23, 2021 2:08 pm

I just acquired a T520 with no os loaded.
Used linux on thumbdrive to test out machine.
Left click on track button and touch button do nothing at...

4 Replies

8989 Views

Last post by Eugor
Sun Jan 24, 2021 8:51 am
T420 fingerprint scanner.

Last post by RealBlackStuff « Thu Jan 21, 2021 7:22 am
Replies: 1
by Jokovich » Thu Jan 21, 2021 6:35 am

Hello everyone.
I have a question: I have a T420 without a fingerprint scanner. I burst a palmrest, found a palmrest with a scanner on sale. If I put...

1 Replies

3088 Views

Last post by RealBlackStuff
Thu Jan 21, 2021 7:22 am
Restoring T420 to Original Defaults

Last post by RealBlackStuff « Wed Jan 20, 2021 9:37 pm
Replies: 1
by BillKaye » Wed Jan 20, 2021 5:39 pm

I picked up a T420 (7180-AP3) through a local online site with the intent of designating it strictly for ham radio and communications applications....

1 Replies

2703 Views

Last post by RealBlackStuff
Wed Jan 20, 2021 9:37 pm
Wanted help on wifi ..

Last post by Neil « Sun Jan 17, 2021 2:12 pm
Replies: 4
by Ignorant » Sun Jan 17, 2021 3:15 am

I am using a 8 GB T400 p8400 +SSD ....
The laptop has the wifi card it came with. I use it to connect with internet provided by a mobile phone...

4 Replies

3282 Views

Last post by Neil
Sun Jan 17, 2021 2:12 pm
T410 with Computrace, now disabled. Is the hard drive safe to use?

Last post by hughmungus « Sun Jan 17, 2021 5:10 am
Replies: 3
by hughmungus » Sat Jan 16, 2021 3:57 pm

I recently bought a cheap ThinkPad T410. When I went to check the BIOS setup I found out that Computrace anti-theft was enabled. It came with a hard...

3 Replies

3931 Views

Last post by hughmungus
Sun Jan 17, 2021 5:10 am
W510 motherboard on T510

Last post by TPFanatic « Thu Jan 14, 2021 9:49 am
Replies: 3
by segfaultdev » Wed Jan 13, 2021 6:07 pm

Hello everyone. I have a T510 and I'm planning on upgrading it with a i7-920xm and a dedicated GPU, and the only thinkpad able to support that is the...

3 Replies

3794 Views

Last post by TPFanatic
Thu Jan 14, 2021 9:49 am
T400 3rd Party BIOS Whitelist Patches

Last post by Ignorant « Wed Jan 13, 2021 1:56 am
Replies: 5
by ScottyBoy » Sat Mar 09, 2013 9:37 am

Afternoon All,

Just a quick post to see if any of you guys & girls happen to know of any reliable 3rd party BIOS patches for removing the hardware...

5 Replies

3740 Views

Last post by Ignorant
Wed Jan 13, 2021 1:56 am
Where to find Supervisor pinouts for T510

Last post by RealBlackStuff « Wed Jan 13, 2021 12:36 am
Replies: 2
by deathewillcome3 » Tue Jan 12, 2021 4:18 pm

Hey Guys! Recently purchased a supervisor locked T510.

Typically, I have used the site to locate the pinouts for the EEPROMS, and traces to make my...

2 Replies

2800 Views

Last post by RealBlackStuff
Wed Jan 13, 2021 12:36 am
T400 w10 internal speakers barely audible

Last post by Ignorant « Sun Jan 10, 2021 2:43 pm
Replies: 7
by Ignorant » Wed Dec 30, 2020 4:50 pm

My T400 is p8400 8gb/250gb,1400x900
The sound to the earphone is acceptable when plugged in.When external ear phone is NOT plugged thhe output from...

7 Replies

4310 Views

Last post by Ignorant
Sun Jan 10, 2021 2:43 pm
T400 900p LED screen upgrade

Last post by jacekwalenty « Sun Jan 10, 2021 1:12 pm
Replies: 4
by jacekwalenty » Sun Jan 10, 2021 6:29 am

After my old screen developed some white spots I decided to upgrade to 900p.
The old one was LED so I wanted the same.
Got the screen, than the cable...

4 Replies

3548 Views

Last post by jacekwalenty
Sun Jan 10, 2021 1:12 pm
Display cable

Last post by Ignorant « Sun Jan 10, 2021 7:59 am
Replies: 3
by Ignorant » Sun Jan 10, 2021 3:56 am

My LED status lights are always off ...
Are the display cables same for 1400x900 and the ordinary display.
I have a tube light display.

3 Replies

2723 Views

Last post by Ignorant
Sun Jan 10, 2021 7:59 am
Thinpad T400 wireless antenna ...where..?

Last post by Ignorant « Wed Jan 06, 2021 12:41 pm
Replies: 12
by Ignorant » Tue Jan 05, 2021 1:35 pm

I had once opened up a T400 but never located any antennas on the Main board or in LCD screen cover?.
Of course ,I end up enriching a engineer to put...

12 Replies

5384 Views

Last post by Ignorant
Wed Jan 06, 2021 12:41 pm

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