Lenovo ThinkPad T490S No Backlight Repair - Screen went Dim after replacement

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NorthridgeFix

NorthridgeFix

2 жыл бұрын

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Пікірлер: 161
@shadowarez1337
@shadowarez1337 2 жыл бұрын
Thank you for all this content and inspiring me to take up this skill instead of sending things to the recycling plant I can bring something back to life.
@sharfazhameed6382
@sharfazhameed6382 2 жыл бұрын
Visual inspection and diode mode measurements. Great video as always.
@tobiasmangoma9566
@tobiasmangoma9566 2 жыл бұрын
Most of us will try to fix, fail and tell the customer a chain of technological phrases, trying to get the customer to pay for a new board. Northridge Fix repair and ship it back to a happy customer.
@venerandarain3
@venerandarain3 2 жыл бұрын
Any Repairment's Videos you've posted always gave us some lessons sir.. thank you for sharing
@ntlocal6345
@ntlocal6345 2 жыл бұрын
Best tutorial I have ever watched on youtube. Bro you're HERO. Thanks for teaching the worl.
@namalperera8069
@namalperera8069 2 жыл бұрын
Rear opportunity to view the methods and skills of critically analyse and SMD repair work. Thanks for enable us to view and experience yours skills Alex!
@viralhunter3561
@viralhunter3561 2 жыл бұрын
Imagine if you bring it to other shop and then they replaced the whole screen but they only fix the fuse. Thanks to Alex we learn a lot from him.
@vandehoek
@vandehoek 2 жыл бұрын
Same here in Holland.
@MirceaD28
@MirceaD28 2 жыл бұрын
You would be surprised how many shops are doing this. In all domains.
@uuzx0
@uuzx0 2 жыл бұрын
Actually he didn't fix it the fuse don't blow it self
@sylvesteryaiuglig2470
@sylvesteryaiuglig2470 2 жыл бұрын
I want to compliment you on your saying, it doesn't matter which of the two connectors for the screen... I like that.... Job well done....you nailed it big time..
@VictorTope
@VictorTope 2 жыл бұрын
Well done Sir. Your work is really neat and I really admire your skill.
@RM-en9gk
@RM-en9gk 2 жыл бұрын
This man is the lord and savior of electronics repair
@new-knowledge8040
@new-knowledge8040 2 жыл бұрын
Lenovo seems to be a good choice overall. My Lenovo ThinkCentre was manufactured way back in 2009, but it is still fast enough to watch a screen resolution of 1920 x 1080 at 60 frames per second. So there is no problem watching YT videos or NETFLIX at this resolution and fps, and also movies and TV shows that are 100% free at a website that I found. I bought the Lenovo as a refurbished computer. So it only cost $200 CAD ($157 USD). Anyhow, the CPU stays between 40 - 55 C temp, the GPU 38 - 50 C, and the SSD about 27 - 31 degrees C. Good enough for me.
@lovo.c7937
@lovo.c7937 2 жыл бұрын
Nice job it was really satisfieing and clean.
@DiJAndy
@DiJAndy 2 жыл бұрын
Many times an easy fix is the best fix! It gives more time to work with more difficult jobs
@davidmugali
@davidmugali 2 жыл бұрын
Thanks for the work you do to educate the world in technology, May the Almighty reward you abundantly.
@j.m.5995
@j.m.5995 2 жыл бұрын
Do you mean to say that they charge for a screen replacement but only replace a fuse? That would be a dirt bag move on the part of the shop. I know they have to diag the problem but they should not be dishonest. Remember also that fuses typically won't blow just because there was a reason that it blew
@ahyaan2552
@ahyaan2552 2 жыл бұрын
@@j.m.5995 who said that to you?
@j.m.5995
@j.m.5995 2 жыл бұрын
@@ahyaan2552 What you mean about that?
@mikerasmussen5452
@mikerasmussen5452 2 жыл бұрын
Hi. I usually never comment anything on youtube what so ever. But i just wanted you to know my appreciation on your videos. I dont have any technical skills regarding your work, but i find your thought process and person amazing. Its just a great combination. So yea well. I wish you , your family - and obviously big boss the best
@flat-earther
@flat-earther Жыл бұрын
Mike I suggest watch a 13 part series called _What on earth happened_ by Ewaranon to learn that the earth is not a globe. I got it in my about tab.
@saadikaoukdji6042
@saadikaoukdji6042 2 жыл бұрын
Awesome content, I'm really learning a lot when I go through these videos. Random question but how much would you normally charge for this repair?
@theo2378
@theo2378 2 жыл бұрын
Nice of you to start adding humor to your videos, keep it up
@WestCorkLife
@WestCorkLife 2 жыл бұрын
nice to see somebody like his job, can't fake that smile in the end of video :D
@Darren777Au
@Darren777Au 2 жыл бұрын
Nice work Alex. Sometimes you do get the easy ones, Hiroshima ones are interesting to watch as well.
@harryemerike3205
@harryemerike3205 2 жыл бұрын
Nice one Boss, always something to learn
@JassonQuill
@JassonQuill 2 жыл бұрын
another great information video.. not just ordinary but extraordinary info for me as DIY technician. i can learn more and more how to troubleshoot and where to start troubleshooting when something same like in the video.. thanks
@nextbizzy
@nextbizzy 2 жыл бұрын
Great work as usual my friend. Thanks for sharing
@johnthooker
@johnthooker Жыл бұрын
For reference if someone is going to replace your screen: Be sure you disable or connect your battery before disconnecting your display, it blows the fuse.
@kirayoshikage370
@kirayoshikage370 9 күн бұрын
Wdym connect
@kirayoshikage370
@kirayoshikage370 9 күн бұрын
Pls teach me
@oneandonlytyler1
@oneandonlytyler1 2 жыл бұрын
nice work,fast ,effective ,efficient
@anro_gaming
@anro_gaming 2 жыл бұрын
great job, sir it's great to see you dont have to replace the whole laptop just for the broken fuse 🤣
@rizwanfarooqui5518
@rizwanfarooqui5518 2 жыл бұрын
Thank you for sharing all your hard work, help us alot to learn. Quick question, i have lenovo x1 carbon, its not powering on, power button blinks 4 times, fan spins once but not turning on. Any suggestions. Thanks in advance
@sandiledlamini3374
@sandiledlamini3374 2 жыл бұрын
I've learn alot from you sir....Sandile from South africa
@flat-earther
@flat-earther Жыл бұрын
Sandile I suggest watch a 13 part series called _What on earth happened_ by Ewaranon to learn that the earth is not a globe. I got it in my about tab.
@johne3439
@johne3439 2 жыл бұрын
I wonder what caused that fuse to blow in the first place. nice find 👍
@nickotube585
@nickotube585 2 жыл бұрын
i always watch your vid sir Goodbless from Philippines
@gregtechcomputerfix5461
@gregtechcomputerfix5461 19 күн бұрын
Guess what you saved me sir thanks so much for this masterpiece ❤
@ashrafkarjiker6888
@ashrafkarjiker6888 2 жыл бұрын
Can you please show how to test more components like capacitors etc. since I’m not sure whether I’ve been taught properly
@workingonthatphone
@workingonthatphone 2 жыл бұрын
Good job as always
@mulatiechekol4513
@mulatiechekol4513 2 жыл бұрын
Thank you!
@giorgiovasta7128
@giorgiovasta7128 2 жыл бұрын
Very good Job 👍🏻
@arasus6107
@arasus6107 2 жыл бұрын
Awesome job bro keep rocking bro 👍👍👍
@SiaVids
@SiaVids 2 жыл бұрын
The fuses are even indicated on the silkscreen, such a refreshing change from Apple devices.
@honeypagador4937
@honeypagador4937 Ай бұрын
thank youuuu!! big help!!
@user-oc1qp3fh6l
@user-oc1qp3fh6l 2 жыл бұрын
Nice Thanks for the work
@MarvelousMarvinB
@MarvelousMarvinB Жыл бұрын
What is the best way to size up these bad fuses for replacement? Is it enough to just match up size? I have some other dead lenovos, maybe take the fuse from those? should those be cross compatible? Edit: I used a macbook pro backlight filter (labeled with a "P") and all worked out and my backlight is back!
@joebloggs8256
@joebloggs8256 Жыл бұрын
Awesome helped me out . Thanks
@revparsons3tl
@revparsons3tl 2 жыл бұрын
You are the man👍
@rfr653
@rfr653 2 жыл бұрын
good job mate.
@amirkhalidpk
@amirkhalidpk 2 жыл бұрын
Like you work... Quite expert...
@rockyvlog4087
@rockyvlog4087 2 жыл бұрын
Nc job...sir Alex!
@stefanlechner
@stefanlechner 2 жыл бұрын
If every job would be as simple as this one, just a little blown fuse. Nice repair. Good video. Thank you for that video. Greets
@TheHottwhyrd
@TheHottwhyrd 2 жыл бұрын
But the question now is why did the fuse blow? Hope it works forever
@chriszahra4755
@chriszahra4755 2 жыл бұрын
Must disconnect battery before replacing screen....
@stefanlechner
@stefanlechner 2 жыл бұрын
@@chriszahra4755 yes exactly. Always disconnect the battery first and every other power source. Also is it good to push the on/off switch to discharge all components of the board
@virgildeklerk
@virgildeklerk 2 жыл бұрын
Wow just wow awesome fix ones again Alex. Another tiny cheap part that fails and makes the whole laptop unusable crazy... we need the right to repair so we can get scematics. In the mean time we are lucky to have you and you knowlegde 👍
@ricardojimenez7879
@ricardojimenez7879 2 жыл бұрын
Can zero ohms resistor be used has a fuse?
@sixxiom1142
@sixxiom1142 2 жыл бұрын
Achoo!! ..and it's gone..into the 9th dimension..lul you should do a vid with some of these components next to a dime so people can get a scale of how small these parts are. Love the channel btw.
@bestbuildpc
@bestbuildpc 2 жыл бұрын
Lenovo is one of the best laptops. This means the motherboard has been taking care as it should. Just one fuse replacement!
@rgry
@rgry 2 жыл бұрын
It did not look like a fuse but a zero ohm resistor you put in?
@stephengordon8968
@stephengordon8968 2 жыл бұрын
Nice work
@tomasis7
@tomasis7 2 жыл бұрын
always nice to see when you suceed :)
@ozanpress
@ozanpress 2 жыл бұрын
Good laptop in good hands
@k.o.0
@k.o.0 2 жыл бұрын
Dear Alex. I watch all your videos. I am trying to fix my sons graphics card (Sapphire R9 390 Nitro) and have determined the problems are a blown fuse, 1 mosfet and for good measure the 5V regulator on the backside. I have ordered all parts BUT I cannot get these chips off at 400c (of course with AMTECH flux). This seems way higher than other boards that I practice on at 350c and remove chips with ease. What temperature do you advise? I did get the fuse successfully swapped by first adding low temp lead solder. Soldering on the replacement was easy using leaded solder. But I next wanted to do the big 5V voltage regulator and it isn’t budging at 400c. I am worried about damaging the traces if I go further up in temperature. Also I don’t think adding low melt leaded solder would work since this chip is surface soldered underneath. Just for added information, this board is black (not green) so I am guessing this means it can handle more heat than average? Not sure if that means anything. Could you please advise the best way to get this chip off? I am guessing the last chip mosfet will be the same difficulty since it is also soldered from underneath and must be flow soldered off. I am using a good SMD rework station that can go up to 450c. Thank you Alex ahead for any advice. Your videos are great & greetings from Canada! Anyone else who knows the answer please also advise. Thanks! This is a great community.
@billybat5790
@billybat5790 2 жыл бұрын
Random but you should do a short where you do that shaking hand trend so I can have hope in being as precise as you or maybe knowing why I never will be
@osamagayak
@osamagayak Жыл бұрын
Love you man ❤️
@uboredtoo
@uboredtoo 2 жыл бұрын
With ALL Thinkpad laptops (and possibly most modern laptops), it is REQUIRED to either disconnect all batteries or temporarily disable them within the BIOS BEFORE removing the LCD connector. Otherwise, the fuse blows when the LCD connector is disconnected as the LCD power lines are always "hot" even when the laptop is off. Older Thinkpads did not have this requirement as I was able to plug and unplug LCDs even while the laptop was on (for testing). Not sure when it started but definitely around the T460s and 6th gen Intel Core laptops as I had to learn the hard way. To be safe, always disconnect all power.
@naturbo2000_2
@naturbo2000_2 2 жыл бұрын
I blew a fuse on a T420 by changing screen without pulling the battery. I ended up piggy-backing the new fuse physically adjacent to the original as I don't have the soldering skills to pull off a full replacement. This guy makes it look super easy. Let's pretend it's all in the equipment 😀
@umutgenc1
@umutgenc1 2 жыл бұрын
Just remove battery. I guess it'll enough. The rule of disasambling electronics is disconnect all power.
@pp3v42_g3h
@pp3v42_g3h 2 жыл бұрын
You can't disable the LCD in the bios, the backlight power is from the main power rail, it's always present. It's this way from the beginning (from the T410 for sure), but almost all laptops have the backlight voltage direcly connected to the main power rail. (However sometimes you can disable the battery in the bios but it's easier to be careful and take a second to align the connector properly)
@jeroeniemans
@jeroeniemans 2 жыл бұрын
good job!
@CanukArgento
@CanukArgento 2 жыл бұрын
Hey brother ....love your videos ..would it be possible for you to mention the cost of repairs please ...we know that your skill and experience is really what a customer is paying but I would love to know
@rajannarayanan2759
@rajannarayanan2759 2 жыл бұрын
Very good knolage thanku
@vincentmillard7692
@vincentmillard7692 2 жыл бұрын
Disconnecting the Batts should be a no Brainer. Good job we have the Alex's of the Real World.
@ajitpalsingh7391
@ajitpalsingh7391 2 жыл бұрын
which model of microscope you do use
@abdalothmab9632
@abdalothmab9632 2 жыл бұрын
Good job
@emildan772
@emildan772 2 жыл бұрын
Question. Why old laptops working properly and new laptops have a lot of problems? I have an old Lenovo g550 from 2010 and it's working like first day. Greetings from Romania. I admire your work, I wish I could do the same same work but I can't afford the technology you use.
@zakizada1915
@zakizada1915 11 ай бұрын
Thank you for the Video, I' have Lenovo Idea pad 5 and suddenly the backlight is gone, I have tried another LCD same issue, tried External monitor and it just worked fine, do you think the fuse could do that? I know if the backlight on the motherboard got bad it should be same result on the External Monitor, right?
@godwintechnology8202
@godwintechnology8202 Жыл бұрын
Please Sr, I want to know of this item you use to easily unsolder and solder small components. Thanks
@SergiuCrisan
@SergiuCrisan 2 жыл бұрын
amazing boards
@tellolite
@tellolite 2 жыл бұрын
There's a menu dedicated to battery connection on the BIOS on my Thinkpad X1 carbon laptop, maybe it's adequate to prevent blowing fuse while changing parts such as LCD
@amaltom8948
@amaltom8948 2 жыл бұрын
Even my 2021 Lenovo Legion 5 has it. No need to physically disconnect the battery. That bios option will disable the battery power until its plugged in or something.
@nelchan2421
@nelchan2421 2 жыл бұрын
Good Job
@AkbarMerchant
@AkbarMerchant 11 ай бұрын
What did you use to test. Can you please tell me that?
@zachariepayant3864
@zachariepayant3864 8 ай бұрын
Alex it is!
@Costel8294
@Costel8294 2 жыл бұрын
hi. I would like to put an external power button on a lenovo 3500 laptop. which way is the best?
@rajannarayanan2759
@rajannarayanan2759 2 жыл бұрын
Very good Thanku
@WhitbyWireless
@WhitbyWireless 2 жыл бұрын
Hi bro do you know about LWS-301 Laser Soldering Station. soldering with laser no heat gun
@markjadebanguis5913
@markjadebanguis5913 Жыл бұрын
Can you just jumper the fuse if you can't find a replacement? Is there any damage could occur?
@nasirhossain7304
@nasirhossain7304 2 жыл бұрын
I watching from Bangladesh
@fraserc9768
@fraserc9768 2 жыл бұрын
So you replaced a 3A (P) SMD fuse with a non fuse Zero Ohm SMD link component ?
@Alan2E0KVRKing
@Alan2E0KVRKing 2 жыл бұрын
Was going to comment the same!
@FilipeNeto616
@FilipeNeto616 2 жыл бұрын
I was thinking about the same here. Does it really make any difference? Could someone explain it?
@94mac
@94mac 2 жыл бұрын
@@FilipeNeto616 the zero ohm is basically just a wire it’ll blow just like a fuse if the current is exceeded
@robotech
@robotech 2 жыл бұрын
I have two old Steelseries Cataclysm mouse that I broke via static from my finger. They dont' make this mouse anymore and used ones are going for $200 and up on eBay. Is it worth sending to Northridge to fix?
@renantejosesiguiente1442
@renantejosesiguiente1442 2 жыл бұрын
That was quick one
@jimvalim1567
@jimvalim1567 2 жыл бұрын
Can you do a video on the equipment that you use? I've asked before on what hot air rework station you use, but it was ignored.
@frank38606
@frank38606 2 жыл бұрын
Weller WX 2021 Soldering Station Quick 861DW hot air station
@RudolfXC
@RudolfXC Жыл бұрын
Where did you find out the fuse capacity ?
@lexander9686
@lexander9686 2 жыл бұрын
Nice
@mohamedhussein120
@mohamedhussein120 2 жыл бұрын
Nice 👍🏾
@fotografm
@fotografm Жыл бұрын
But why did the fuse blow and what's to prevent the new fuse blowing for the same reason ?
@flyt129
@flyt129 2 жыл бұрын
I once blew this fuse when I changed a faulty screen without unplugging the battery. In the end I replaced the whole motherboard as I could get my hands on one for 30€ which was cheaper as letting someone exchange the fuse. Sadly my soldering skills are not up to this task.
@mjunho1
@mjunho1 9 ай бұрын
Muito bom 👍🇧🇷🙏
@alialshams1043
@alialshams1043 2 жыл бұрын
Nice Vedio ☮️👍
@renejam4614
@renejam4614 Жыл бұрын
Good job boss
@renejam4614
@renejam4614 Жыл бұрын
Hello boss
@Thephysiquemechanic
@Thephysiquemechanic 2 жыл бұрын
Since we are unable to call you guys for repairs anymore, I submitted a form to mail in a repair and still haven't heard back three days later oh, what's the best way to reach you guys now?
@suryavanshib
@suryavanshib 2 жыл бұрын
Awesome ✌🏻✌🏻✌🏻
@leonjohnsonjr3331
@leonjohnsonjr3331 2 жыл бұрын
When i install a new lcd i take the battery out if not the battery would short out the lcd or led backlights
@jaideep1337
@jaideep1337 2 жыл бұрын
Why did the fuse blow in the first place? I would have done some more digging to see if there's anything drawing more power than usual which would cause the fuse to blow. Maybe one of the LEDs in the backlight failed and that increased the power draw causing the fuse to fail. Seems a little risky just putting a 0R instead of a fuse without confirming that all current draws are normal.
@mamadoualioudaradiallo6814
@mamadoualioudaradiallo6814 4 ай бұрын
Waw i love you bro❤❤
@thusithaliyanage8754
@thusithaliyanage8754 2 жыл бұрын
Gd job
@kharali3475
@kharali3475 Жыл бұрын
Can someone tell me what the chip he’s testing at 1:43 please. Thanks in advance
@ukaszs5021
@ukaszs5021 2 жыл бұрын
👍
@hielmyz
@hielmyz 2 жыл бұрын
That was quick
@gacherumburu9958
@gacherumburu9958 2 жыл бұрын
👍👍
@bogdanfrz142
@bogdanfrz142 2 жыл бұрын
Easy one!!
@brianclimbs1509
@brianclimbs1509 2 жыл бұрын
I am finding this too late! I already bought a new screen for my T460S.
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