New Members - please post your introductions here
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Hi. Im from Mexico. Im looking schematics for educational purposes.
Tnks.
Greetings from Merida, Yucatán. México.
Keep learning.Leave a comment:
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Hello I'm Gobricks, new here, and I'd like to get started with repairing and measuring faults. I'm currently training to be an electrician and am excited about this new topic. Experience with technology and simple soldering tasks lgLeave a comment:
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Hello,
just a electronics guy from Michigan trying to check out new things.Leave a comment:
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Hello everyone,
My name is Wissem Kaafar, I'm from Tunisia, and I run a small computer repair shop called Azerty Lab. I specialize in diagnosing and fixing laptops, desktops, and electronics at board level. I’ve been in the field for several years and enjoy learning and helping others.
Looking forward to sharing and learning more with this great community!
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Hi there everyone I am Austin from the United Kingdom.
Just finished studying a degree in computing and systems development and am progressing onto a masters degree within cybersecurity and Artificial Intelligence. Also plan on studying advanced mathematics and also robotics when my masters has finished.
Enjoys troubleshooting a wide range of devices (phones, laptops and tablets) and building and securing computer networks.
Hates brussels sprouts, cauliflowers and rhubarb.Leave a comment:
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Hi everyone! I ended up here by chance.
I used to do a lot of repairs on various devices and electronics, but in recent years it has become more of a hobby — something I do only occasionally now.
I'm from Ukraine! And we will defeat the damned enemy!Leave a comment:
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Hello I'm new and old at the same time.
New to the forum, old in years (50). Been an electronics engineer since 2001 and repairing all sorts of electronics since the late 90's. Mainly for fun, the challenge and learning something new.
Day job today is in industry automation, somewhat far from PC tinkering, yet in some sense very close.
Earlier (2007) I was a firmware engineer working with TV transmission equipment
Been fiddling with computers since the late 80's.
Reason for joining is a personal desire for learning how to remove bios passwords.
I'm in a somewhat fortunate position where the company I'm employed at, occasionally throws out older laptops (usually Dell's 3-5 years old).
I usually repair them for the challenge, and give them away to school kids, elderly, friends or coworkers that cant afford something like that.
Never taken a single penny/cent/dime in return. I just hate having something that useful ending up in a landfill before time. On top of that giving a laptop away to someone who really needs it, is an amazing feeling for both.
However lately the laptops have all been bios locked, so that is a problem.
Therefore I will now have to learn a new trick. I'm here to lean, and maybe get help to something I have never dabbled around in.
I hope I can succeed in this endeavor. Time will tell.
Any learning resources would be mush appreciated.Leave a comment:
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Hi everyone! I'm new here. I'm from Spain. I'm looking forward to learning and helping out. Cheers!Leave a comment:
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Hi software dev here, mostly government contracted work on stuff I can't really talk about much. Lately I've been doing some freelancing for a client, working on AR stuff and AI 3D reconstruction as well.
Found this board because my dell is currently admin locked and need help unlocking.Leave a comment:
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Hello,
I am Gabrielsun, I am here to acquire new knowledge
Greetings to all
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Hello everyone, I am here looking for bios upgrades for an Asus X553M laptop and also find out what else is available here.Leave a comment:
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Hi, well, I'm totally beginner and I'm here to try to learn as much as i can, thanks to let me in, see you soon.Leave a comment:
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Hi everyone! Mikamatic here!
Long time lurker but only recently registered for an account!
I'm an electronics engineer by trade and have been repairing electronics for well over 20 years, recently got into more surface mount stuff through work which has given me a major skills boost!
My projects mainly rely on either old PC parts or photography, actually just finished re-capping a socket 370 board!
Hope you get to know other people tooLeave a comment:
Related Topics
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by fredyjbiplease help friends thinkpad T470 board CT470 series NM-A931 error post "bottom cover tamper detection error"
I've already
flashed the bios clean me and updated from the Lenovo site, then removed the switch and immediately jumped the S3 from pins 1 to 4, 2 to 3 but the problem remained the same, thank you1 Photo -
by fredyjbiplease help friends, I have 3 T490 units with the same case, the USB type C is completely dead, showing 20v 0 amp, loss of voltage VINT20_IN resistance to ground is fine, thank you
I think the problem is that I lost the voltage at PQ0008 pon 1 -PWRSHUTDOWN which should have been high which was picked up by R9512 VCC3SW, thank you very much for your help
PF0002 20v
PQ0005
pin 5 20v
pin 1.2.3 19.8v
pin 4 19.8
resistance
source & drain 2,4 m
source & gate 100k
PQ0006
pin 1.2.3 19.8v
pin 4 19.8v... -
by fredyjbiplease help friends x1 yoga 7th no display beep melody thank you...
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Channel: BIOS Requests ONLY!
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by fredyjbiplease help friends clean me bios x1 yoga 7th no display melody beep, thank you
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Channel: BIOS Requests ONLY!
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by fredyjbiPlease help friends, thinkpad t480 nm-b501 is dead, help me fix it, thank you
usb meter 20v 0.00 amp, after I took the VSYS measurement the drop was only `9.2v which should have been 10.2v I measured from a normal matherboard machine, the VSYS path resistance to ground diode mode is 1900 thank you
LINK to Schematic -> https://www.badcaps.net/forum/troubl...b501-schematic - Loading...
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