Hey there people. Name's Tartan, and I'm just slowly sinking into the world of computers. Been using Linux for about a year now, and now I'm just wanting to learn as much about computers as I can. This seems like the place for that.
New Members - please post your introductions here
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Hello Badcaps, am here as Northfix Technology dealing with computer repair and maitenance, i would like to be part of the badcaps team share and exchange repair knowledge. let drive tech together.Comment
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Hello everyone, my name is Liam, I want to learn a lot about electronics, especially in video games. greetings to allComment
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Hi, I am just tech savy individual, who decided to buy server and GPU RTX 4090 with broken PCIe holder, that is my first PC like system and first GPU I am planning to upgrade it to 48gb vRAM for LLM and later AI training, during upgrade PCB will be replaced, so I want to sest the card, if Its core and vRAM chips are working and schematics will help me figure it out. I had experience in repairing laptops 10y ago, but then I moved on web software development and I got to point, when I wanted my own server to play with and later develop some AI agents. So here I am, back to exciting field of HW.Comment
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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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