Hi im ghalytsar from indonesia , and im looking to repair my laptop that encounter error from the bios .. i think the error come from the way i uninstall severall apps with revo-uninstaller and when i restart my laptop it keep stuck on the logo , even i change the order of bootoption to use new windows installation media , it wont boot to the "window"  installation view
							
						
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 Hi, I'm a secondary school technician and all our pupils now have their own laptop, which now means a lot of fixing 🙈Comment
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 hi guys my name is Wrien my user name is a combine name of my 2 kids, name Dien and Dion is equals to Diendion hehehe. i join here at the forum when my printer canon mg2570s is having error and seacrh for eeprom firmware after searching i find it here.Comment
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 NAME- HP EliteBook 840 G7 Notebook PC
 Product Number-8QA00AV
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 Please remove password
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 Hola me Presento mi nombre es Wilson, Soy Tecnico de computadoras, estoy aprendiendo ahora electronica empíricamente y me interesan mucho este tipo de foros que encuentro y puedo compartir informacion importante con ustedes, me agradan este tipo de comunidades saludos y muchas graciasComment
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 Meu nome é Jucimar, sou técnico em eletrônica e tenho grande interesse em trocar experiências, aprender e também compartilhar o que sei com outros profissionais da área. Já venho atuando com manutenção de placas eletrônicas, análise de circuitos, testes de componentes e interpretação de esquemas — especialmente voltados para notebooks e equipamentos eletrônicos em geral.
 
 Gosto bastante da parte de diagnóstico de falhas, e estou sempre buscando evoluir, seja com novas técnicas ou estudando circuitos mais complexos.
 
 Estou aqui no grupo para somar, aprender com vocês e, claro, poder contribuir sempre que possível. Fiquem à vontade para trocar ideias, tirar dúvidas ou até bater um papo técnico. Tamo junto!
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 Hi All!
 I'm a Survey Engineer (Bsc), Autocad expert, electronics enthusiastic (AVR, ARM programming level), software developer (C, C++, C#, java, Autolisp), all-in-one repairman (from washer machine to plumbing) and laptop repair is my private hobby.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
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			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...
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			by fredyjbiplease help friends x1 yoga 7th no display beep melody thank you...- 
							Channel: BIOS Requests ONLY!
 
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			by fredyjbiplease help friends clean me bios x1 yoga 7th no display melody beep, thank you- 
							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
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