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by Thinkpad4by3
Sat Mar 23, 2019 8:02 pm
Forum: Marketplace - Forum Members only
Topic: LF: ThinkPad T42/T43 15" base cover & palmrest w/ FP cutout
Replies: 3
Views: 104

Re: LF: ThinkPad T42/T43 15" base cover & palmrest w/ FP cutout

kfzhu1229 wrote:
Sat Mar 23, 2019 7:53 pm
when my finger isn't soaked
With a Pentium M in your computer, there is no reason for your finger to be soaked! :lol:
by Thinkpad4by3
Fri Mar 22, 2019 10:52 pm
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

beshad wrote:
Fri Mar 22, 2019 10:34 pm
one seems to be on sale on this website :

https://www.pchub.com/hitachi-invc192-l ... ter-p36774

not sure if vendor is trustworthy though
Doubt it so I'd call them and see.
by Thinkpad4by3
Fri Mar 22, 2019 9:49 pm
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

That's part of the LCD module I doubt you'll find that as a separate piece outside of buying the whole LCD.
by Thinkpad4by3
Fri Mar 22, 2019 7:41 pm
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

Thanks. Yea.I think same too. If you really want to test if you have another laptop with a CCFL backlight, you could plug it into the 750 and see if it works. Usually when CCFL lamps die, they're toast...no light at all. The fact that there is a flash says likely it'd the board. Also the inverter n...
by Thinkpad4by3
Fri Mar 22, 2019 7:25 pm
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

beshad wrote:
Fri Mar 22, 2019 7:20 pm
So what do reckon likely is the problem and needing replacement? CCFL lamp or the board attached to it?
I'd say the board.
by Thinkpad4by3
Fri Mar 22, 2019 7:15 pm
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

thanks for the link. please see these photos. am i doing it right? i tried the diode light test too. https://ibb.co/FY1vtWp https://ibb.co/YXypt21 and here is the video of the flickering: https://youtu.be/9BAbaTzwyMs cheers Oh yeah that looks like it's trying to start the lamp but it's too weak. Mi...
by Thinkpad4by3
Fri Mar 22, 2019 5:40 pm
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

Touch it and if you get a nasty shock it's working? (Wouldn't recommend it) EDIT: Also check if you are in AC or DC volts. I don't know which one the CCFL uses. If it is either, it should read "ERROR" , "OVER", or "OL" if it is too high. Shouldn't be reading 0. lol actually first thing came to my h...
by Thinkpad4by3
Fri Mar 22, 2019 4:56 pm
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

Check it right at the CCFL tube with your multimeter at the maximum voltage(not sure if AC or DC, might be AC) setting. It should be around 800-1200V on the output. Also if you can find another CCFL tube and hook it up to the inverter, see if that works too. didn't realise they get this high voltag...
by Thinkpad4by3
Fri Mar 22, 2019 12:57 pm
Forum: ThinkPad X230 and later Series
Topic: X240/X250 curious Fn-key behavior
Replies: 1
Views: 51

Re: X240/X250 curious Fn-key behavior

Well for the metal bar it looks like a key stabilizer, but it would make no sense on a 1 unit key. Mechanism also looks clean. Did you try leaving the keycap off for a few days and seeing if the same problem results just by pressing the dome on the off chance the keyboard isn't pressing the dome rig...
by Thinkpad4by3
Fri Mar 22, 2019 10:47 am
Forum: ThinkPad Legacy Hardware
Topic: 750c repair
Replies: 47
Views: 2032

Re: 750c repair

Check it right at the CCFL tube with your multimeter at the maximum voltage(not sure if AC or DC, might be AC) setting. It should be around 800-1200V on the output. Also if you can find another CCFL tube and hook it up to the inverter, see if that works too.
by Thinkpad4by3
Thu Mar 21, 2019 9:06 pm
Forum: ThinkPad Legacy Hardware
Topic: Tips on IBM Thinkpad 750Cs
Replies: 6
Views: 173

Re: Tips on IBM Thinkpad 750Cs

Hi there everyone, I'm new on these forums. Welcome aboard! Being a 28 year old I have fond memories of playing Quake on my father's lap at his IBM Thinkpad back in 96. These days I'm using a Lenovo P50 daily for my work in 3D content creation. Today I finally purchased my first vintage IBM Thinkpa...
by Thinkpad4by3
Thu Mar 21, 2019 8:53 pm
Forum: Off-Topic Stuff
Topic: Fake listings on the Lenovo outlet?
Replies: 8
Views: 210

Fake listings on the Lenovo outlet?

Has anyone noticed that when ever they search for a machine on the outlet, there is always a machine at the top with some really nice specs and it sells for like 25-33% of the original price but it is always sold out. Then there are just the normal machines below it for the 50-75% of the original pr...
by Thinkpad4by3
Thu Mar 21, 2019 10:33 am
Forum: GENERAL ThinkPad News/Comments & Questions
Topic: The most expensive and rarest Thinkpads ? [relax topic]
Replies: 10
Views: 238

Re: The most expensive and rarest Thinkpads ? [relax topic]

What the hell made 755CDV so expensive? :?: :eek: Ok, here it goes: 1: Top of the line Active Matrix display 2: Custom made display with a removable back 3: Video encoding and decoding hardware 4: CD-ROM drive(first in a portable package) 5: IBM Mwave sound controller and midi support 6: Brand new ...
by Thinkpad4by3
Thu Mar 21, 2019 9:35 am
Forum: ThinkPad T430/T530 and later Series
Topic: Battery recalibration.
Replies: 2
Views: 79

Re: Battery recalibration.

dr_st wrote:
Thu Mar 21, 2019 3:50 am
How can you expect to calibrate the gauge without letting it run fully down and up?
That's what I have been doing. 100% to 0% to 100%
by Thinkpad4by3
Wed Mar 20, 2019 4:36 pm
Forum: ThinkPad T430/T530 and later Series
Topic: Battery recalibration.
Replies: 2
Views: 79

Battery recalibration.

I've done a 100-0-100 cycle in my T430 twice and got the capacity from 60Wh/93Wh to 69Wh/93Wh. I have W10 on right now(plz dont get me with you pitchfork :mrgreen: and I know there are linux apps to do it but I don't want to put it on right now) and is there a faster way to recalibrate the battery t...
by Thinkpad4by3
Tue Mar 19, 2019 8:03 pm
Forum: ThinkPad T430/T530 and later Series
Topic: What to do with card slot?
Replies: 5
Views: 186

What to do with card slot?

My T430 came with the little slot for what looks like a credit card that I haven't seen populated in any other TP. What can I do with it?
by Thinkpad4by3
Mon Mar 18, 2019 4:24 pm
Forum: Off-Topic Stuff
Topic: Is image-loading warning still enforced in the forum in 2019?
Replies: 6
Views: 354

Re: Is image-loading warning still enforced in the forum in 2019?

It's like, sort of enforced, when someone feels like enforcing it. Apparently, not everyone has high-speed internet, go figure. Some people also just don't like (many) inline images. Most likely 1-2 small pics will go unnoticed / unenforced. If you feel like posting more / larger images - please pu...
by Thinkpad4by3
Mon Mar 18, 2019 12:30 pm
Forum: ThinkPad T430/T530 and later Series
Topic: Remove battery but...
Replies: 5
Views: 176

Re: Remove battery but...

manolis kokotsakis wrote:
Mon Mar 18, 2019 11:30 am
I dont have any problem if fully charge. I think soon they will have problemsi if always charge and on and on ...

How can i set a custom charge threshold ?
I have left laptops on chargers for years they don't have problems.
by Thinkpad4by3
Sun Mar 17, 2019 8:52 am
Forum: GENERAL ThinkPad News/Comments & Questions
Topic: Lenovo, the thermal paste goes on the CPU.
Replies: 6
Views: 278

Re: Lenovo, the thermal paste goes on the CPU.

It looks like someone worked very hard to spread the paste around the die, and not on the die itself. :lol: They probably took the bag spreading the paste method a tad too far :lol: ! I mean I actually saw the nVidia logo and chip details burned into heatsink where the paste wasn't. I don't think I...
by Thinkpad4by3
Sat Mar 16, 2019 5:01 pm
Forum: GENERAL ThinkPad News/Comments & Questions
Topic: Lenovo, the thermal paste goes on the CPU.
Replies: 6
Views: 278

Lenovo, the thermal paste goes on the CPU.

I was pretty sure that my T430's 65 idle/80 browsing/95 load temps were pretty high even though it was the dGPU model. Well I know why they were so high...Lenovo just decided to *almost* entirely skip putting thermalpaste! (click for big picture) https://i.imgur.com/61TLbPfm.jpg https://i.imgur.com/...
by Thinkpad4by3
Sat Mar 16, 2019 7:14 am
Forum: ThinkPad T430/T530 and later Series
Topic: I got my favorite machine back!!
Replies: 5
Views: 236

Re: I got my favorite machine back!!

Thanks guys, I will enjoy this machine and it will get a good second life. :mrgreen: I fired up Fusion 360 and found that the NVS5400M is actually quite a powerful little chip unlike the my T520's NVS4200M. Is your T430s repairable? Total MB failure. And it died a few years ago when i7 MB prices wer...
by Thinkpad4by3
Fri Mar 15, 2019 10:06 pm
Forum: ThinkPad X200/201/220 and X300/301 Series
Topic: x301 CPU upgrade (yes, we're talking soldering)
Replies: 11
Views: 408

Re: x301 CPU upgrade (yes, we're talking soldering)

600X wrote:
Fri Mar 15, 2019 10:01 pm
Temps were the same. Why would they change after all? My voltage remained the same.
I don't know, because increased temps are usually associated with overclocking...and dust jammed in the fan! :mrgreen:
by Thinkpad4by3
Fri Mar 15, 2019 9:58 pm
Forum: ThinkPad X200/201/220 and X300/301 Series
Topic: x301 CPU upgrade (yes, we're talking soldering)
Replies: 11
Views: 408

Re: x301 CPU upgrade (yes, we're talking soldering)

600X wrote:
Fri Mar 15, 2019 9:56 pm
Just overclock it, one of my previous X301 ran at 2.13GHz.
How the hell did I not think about OC'ing it!! That's brilliant :mrgreen: ! How were the temps?
by Thinkpad4by3
Fri Mar 15, 2019 8:09 pm
Forum: ThinkPad T430/T530 and later Series
Topic: I got my favorite machine back!!
Replies: 5
Views: 236

I got my favorite machine back!!

I used to love my T430s when it was still alive :x :cry: . Maxed to the sky, fast as all get out, and I adored that machine. Well I didn't get a T430s, but a T430 a few days ago and I realized how much I loved the T430 series machines. And no...I'm not doing the 7 row swap, If I have dedicated volum...
by Thinkpad4by3
Fri Mar 15, 2019 2:14 pm
Forum: ThinkPad X200/201/220 and X300/301 Series
Topic: x301 CPU upgrade (yes, we're talking soldering)
Replies: 11
Views: 408

Re: x301 CPU upgrade (yes, we're talking soldering)

Ok, first things off the bat, the unit uses the 10W TDP SU9400/9600 CPUs. The X300 uses the SL7100 CPU / SU9300 CPU(sources differ) but still 10 or 12W. So cooling will be an issue. So the socket is the BGA956, not really a limiting factor...given you have the soldering gear. There are CPUs made for...
by Thinkpad4by3
Thu Mar 14, 2019 1:21 pm
Forum: ThinkPad W530/W540/W550 Series
Topic: W530 Minidisplay port to HDMI TV?
Replies: 7
Views: 271

Re: W530 Minidisplay port to HDMI TV?

If it makes your life any easier Fn+F7 should also do the same as Win+P.
by Thinkpad4by3
Thu Mar 14, 2019 12:52 pm
Forum: Windows 7
Topic: Micro$haft starts nagging W7-users soon about support-EOL
Replies: 13
Views: 571

Re: Micro$haft starts nagging W7-users soon about support-EOL

Windows 7 is a perfectly capable operating system with less redundancy, intrusion, and reliance on the cloud than 8 and 10. And will remain so until people and companies stop developing for it. At the current rate, not for a long time. And I bet the same XP tricks we did 5 years ago to get stuff to...
by Thinkpad4by3
Thu Mar 14, 2019 11:47 am
Forum: ThinkPad Legacy Hardware
Topic: 701c New Body/Plastics
Replies: 33
Views: 853

Re: 701c New Body/Plastics

Like I've said in the last few posts, 3D scanners are total sh*t. Thinkpads are the absolute worst case for a 3D scanner, a matte black surface makes it impossible for the scanner to find the geometry outside of the fact that none of it will be to scale. 3D scanners are for organic shapes not a comp...
by Thinkpad4by3
Wed Mar 13, 2019 11:01 pm
Forum: Thinkpad - General HARDWARE/SOFTWARE questions
Topic: Swapping FN and CTRL key on external thinkpad keyboard
Replies: 6
Views: 2764

Re: Swapping FN and CTRL key on external thinkpad keyboard

That's really ridiculous. Just got a new wired external keyboard for my Thinkpad. The laptop with the keyboard are the same stuff, why it doesn't work then?.. Simple. The internal keyboard is handled by the embedded controller. The external keyboard has its own controller, in order to send/receive ...

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