regigomes

pessoal alguém poderia me da uma ajuda com uma placa de um Acer Nitro AN517 - LA-k861p REV 1B, a mesma liga porem sem vídeo na tela nem externo, analisando a sequencia de start a mesma tem todas as tensões medi as 3 ultimas da sequencia e estão ok. apenas a placa sem tela ou periféricos consome 1.55A na fonte de bancada, atualizei a bios com um arquivo que encontrei na net porem sem sucesso. poderia ser problema de GPU ? procedimento seria desabilitar a GPU para ver se sobe vídeo ?

esta sim muito lenta

Pessoal estou com uma placa mãe msi A520m-A PRO processador AMD a mesma esta limitando uso da CPU em 10% não passa disso, já troquei processador memoria bios esta atualizada verifiquei os vrm com osciloscópio todos parece esta funcionando correto, alguém já pegou alguma placa com esse problema ?

Ok muito obrigado pela dica vou tentar aqui com resina acrílica uso ela para restaurar carcaça de notebook acho que vai funcionar, muito obrigado.

Amigo mais com carregador liga normal o cristal não é utilizado tanto na bateria como no carregador ?

Pessoal estou com um positivo placa s14bw01 aquele que sempre da problema no U30 perto da bateria cmos, o mesmo estava com U30 e o U74 danificado, eu estava sem o U30 aqui e o cliente quer notebook logo pois vai viajar fiz a adaptação com um regulador 7805 troquei U74 e a maquina ligou normal porem percebi que ela só liga com o carregador, se estiver só na bateria não liga. verifiquei as tensões só com a bateria ligada tenho 5v 3v e 1.05v porem não starta só na bateria, se eu conecto o carregador a maquina da start ai depois posso remover carregador e ela funciona normal, a bateria tambem esta sendo carregada normal.

Trocar cabeça de impressão vale a pena ou melhor condenar ?

Não fiz lavagem dos reservatório pois o cliente falou que só usava tina original.

Cliente falou que sempre usou tinta original, estranho e que só falha no magenta. as outras cores ja mandei imprimir 10 paginas seguidas e não falha.

Pessoal estou com uma impressora L4260 que quando mando imprimir ela começa a impressão normal todas as cores porem do meio da pagina em diante ela começa a falhar o magenta, a tinta é original colocada por mim, já removi ar do damper já suguei com uma seringa na mangueira da bomba injetei solução na cabeça de impressão e mesmo assim continua falhando, quando mando faze limpeza da cabeça falha menos mais numa impressão grande do meio para final começa a falhar novamente. na foto anexada mandei duas copias a primeiro saiu normal sem falhas a segunda do meio para o final falhou magenta

Pessoal alguém já usou essa marca de tinta para impressoras epson sabem dizer se é boa ou ruim, poderiam indicar alguma que seja boa, além da original.

Ok amigo vou fazer isso, muito obrigado pela dica.

já foi corrigido, desculpe o erro.

Pessoal estou com duas impressora Epson L3150 inicialmente estavam falhando o preto, fiz remoção de ar das mangueiras enchi os dampers de tinta fiz a sucção com uma seringa ali na mangueira da bomba, após isso mandei fazer duas limpezas normais pelo software e a impressora voltou a imprimir normal, porem quando vou imprimir no outro dia ou ate mesmo final do dia a mesma volta a falhar, a tinta é original já fiz limpeza do sistema de limpeza, almofada de sucção, bomba, os reservatório estão cheio de tinta e mesmo assim ainda falha de um dia para outro.

Amigo como faz esses furos ? teria algum vídeo ou foto mostrando o local, e qual ferramenta utiliza para fazer os furos para que não caia sujeira dentro do reservatório.

Ok irei fazer isso, muito obrigado pelas dicas amigo.

Tentei hoje a gravação com ch341A + flashrom na placa e aparentemente gravou pois antes a placa não startava e agora esta startando porem na verificação apresenta um erro. D:\Downloads\Flashromkb9052>flashrom -p ch341a_spi -c "KB9012 (EDI)" -w EC.bin -V flashrom on Windows 6.2 (x86) flashrom is free software, get the source code at https://flashrom.org flashrom was built with GCC 6.3.0, little endian Command line (7 args): flashrom -p ch341a_spi -c KB9012 (EDI) -w EC.bin -V Calibrating delay loop... OS timer resolution is 15622 usecs, 1141M loops per second, 10 myus = 0 us, 100 myus = 0 us, 1000 myus = 1000 us, 10000 myus = 9994 us, 62488 myus = 49031 us, OK. Initializing ch341a_spi programmer Device revision is 3.0.4 The following protocols are supported: SPI. Probing for ENE KB9012 (EDI), 128 kB: edi_chip_probe: hwversion 0xb0, ediid 0x0b No EEPROM/flash device found. Note: flashrom can never write if the flash chip isn't found automatically. D:\Downloads\Flashromkb9052>flashrom -p ch341a_spi -c "KB9052 (EDI)" -w EC.bin -V flashrom on Windows 6.2 (x86) flashrom is free software, get the source code at https://flashrom.org flashrom was built with GCC 6.3.0, little endian Command line (7 args): flashrom -p ch341a_spi -c KB9052 (EDI) -w EC.bin -V Calibrating delay loop... OS timer resolution is 14934 usecs, 1474M loops per second, 10 myus = 0 us, 100 myus = 0 us, 1000 myus = 0 us, 10000 myus = 0 us, 59736 myus = 75207 us, OK. Initializing ch341a_spi programmer Device revision is 3.0.4 The following protocols are supported: SPI. Probing for ENE KB9052 (EDI), 128 kB: edi_chip_probe: hwversion 0xb0, ediid 0x0b Found ENE flash chip "KB9052 (EDI)" (128 kB, SPI) on ch341a_spi. Reading old flash chip contents... done. Erasing and writing flash chip... Trying erase function 0... 0x000000-0x00007f:W, 0x000080-0x0000ff:W, 0x000100-0x00017f:W, 0x000180-0x0001ff:W, 0x000200-0x00027f:W, 0x000280-0x0002ff:W, 0x000300-0x00037f:W, 0x000380-0x0003ff:W, 0x000400-0x00047f:W, 0x000480-0x0004ff:W, 0x000500-0x00057f:W, 0x000580-0x0005ff:W, 0x000600-0x00067f:W, 0x000680-0x0006ff:W, 0x000700-0x00077f:W, 0x000780-0x0007ff:W, 0x000800-0x00087f:W, 0x000880-0x0008ff:W, 0x000900-0x00097f:W, 0x000980-0x0009ff:W, 0x000a00-0x000a7f:W, 0x000a80-0x000aff:W, 0x000b00-0x000b7f:W, 0x000b80-0x000bff:W, 0x000c00-0x000c7f:W, 0x000c80-0x000cff:W, 0x000d00-0x000d7f:W, 0x000d80-0x000dff:W, 0x000e00-0x000e7f:W, 0x000e80-0x000eff:W, 0x000f00-0x000f7f:W, 0x000f80-0x000fff:W, 0x001000-0x00107f:W, 0x001080-0x0010ff:W, 0x001100-0x00117f:W, 0x001180-0x0011ff:W, 0x001200-0x00127f:W, 0x001280-0x0012ff:W, 0x001300-0x00137f:W, 0x001380-0x0013ff:W, 0x001400-0x00147f:W, 0x001480-0x0014ff:W, 0x001500-0x00157f:W, 0x001580-0x0015ff:W, 0x001600-0x00167f:W, 0x001680-0x0016ff:W, 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0x01be00-0x01be7f:W, 0x01be80-0x01beff:W, 0x01bf00-0x01bf7f:W, 0x01bf80-0x01bfff:W, 0x01c000-0x01c07f:W, 0x01c080-0x01c0ff:W, 0x01c100-0x01c17f:W, 0x01c180-0x01c1ff:W, 0x01c200-0x01c27f:W, 0x01c280-0x01c2ff:W, 0x01c300-0x01c37f:W, 0x01c380-0x01c3ff:W, 0x01c400-0x01c47f:W, 0x01c480-0x01c4ff:W, 0x01c500-0x01c57f:W, 0x01c580-0x01c5ff:W, 0x01c600-0x01c67f:W, 0x01c680-0x01c6ff:W, 0x01c700-0x01c77f:W, 0x01c780-0x01c7ff:W, 0x01c800-0x01c87f:W, 0x01c880-0x01c8ff:W, 0x01c900-0x01c97f:W, 0x01c980-0x01c9ff:W, 0x01ca00-0x01ca7f:W, 0x01ca80-0x01caff:W, 0x01cb00-0x01cb7f:W, 0x01cb80-0x01cbff:W, 0x01cc00-0x01cc7f:W, 0x01cc80-0x01ccff:W, 0x01cd00-0x01cd7f:W, 0x01cd80-0x01cdff:W, 0x01ce00-0x01ce7f:W, 0x01ce80-0x01ceff:W, 0x01cf00-0x01cf7f:W, 0x01cf80-0x01cfff:W, 0x01d000-0x01d07f:W, 0x01d080-0x01d0ff:W, 0x01d100-0x01d17f:W, 0x01d180-0x01d1ff:W, 0x01d200-0x01d27f:W, 0x01d280-0x01d2ff:W, 0x01d300-0x01d37f:W, 0x01d380-0x01d3ff:W, 0x01d400-0x01d47f:W, 0x01d480-0x01d4ff:W, 0x01d500-0x01d57f:W, 0x01d580-0x01d5ff:W, 0x01d600-0x01d67f:W, 0x01d680-0x01d6ff:W, 0x01d700-0x01d77f:W, 0x01d780-0x01d7ff:W, 0x01d800-0x01d87f:W, 0x01d880-0x01d8ff:W, 0x01d900-0x01d97f:W, 0x01d980-0x01d9ff:W, 0x01da00-0x01da7f:W, 0x01da80-0x01daff:W, 0x01db00-0x01db7f:W, 0x01db80-0x01dbff:W, 0x01dc00-0x01dc7f:W, 0x01dc80-0x01dcff:W, 0x01dd00-0x01dd7f:W, 0x01dd80-0x01ddff:W, 0x01de00-0x01de7f:W, 0x01de80-0x01deff:W, 0x01df00-0x01df7f:W, 0x01df80-0x01dfff:W, 0x01e000-0x01e07f:W, 0x01e080-0x01e0ff:W, 0x01e100-0x01e17f:W, 0x01e180-0x01e1ff:W, 0x01e200-0x01e27f:W, 0x01e280-0x01e2ff:W, 0x01e300-0x01e37f:W, 0x01e380-0x01e3ff:W, 0x01e400-0x01e47f:W, 0x01e480-0x01e4ff:W, 0x01e500-0x01e57f:W, 0x01e580-0x01e5ff:W, 0x01e600-0x01e67f:W, 0x01e680-0x01e6ff:W, 0x01e700-0x01e77f:W, 0x01e780-0x01e7ff:W, 0x01e800-0x01e87f:W, 0x01e880-0x01e8ff:W, 0x01e900-0x01e97f:W, 0x01e980-0x01e9ff:W, 0x01ea00-0x01ea7f:W, 0x01ea80-0x01eaff:W, 0x01eb00-0x01eb7f:W, 0x01eb80-0x01ebff:W, 0x01ec00-0x01ec7f:W, 0x01ec80-0x01ecff:W, 0x01ed00-0x01ed7f:W, 0x01ed80-0x01edff:W, 0x01ee00-0x01ee7f:W, 0x01ee80-0x01eeff:W, 0x01ef00-0x01ef7f:W, 0x01ef80-0x01efff:W, 0x01f000-0x01f07f:W, 0x01f080-0x01f0ff:W, 0x01f100-0x01f17f:W, 0x01f180-0x01f1ff:W, 0x01f200-0x01f27f:W, 0x01f280-0x01f2ff:W, 0x01f300-0x01f37f:W, 0x01f380-0x01f3ff:W, 0x01f400-0x01f47f:W, 0x01f480-0x01f4ff:W, 0x01f500-0x01f57f:W, 0x01f580-0x01f5ff:W, 0x01f600-0x01f67f:W, 0x01f680-0x01f6ff:W, 0x01f700-0x01f77f:W, 0x01f780-0x01f7ff:W, 0x01f800-0x01f87f:W, 0x01f880-0x01f8ff:W, 0x01f900-0x01f97f:W, 0x01f980-0x01f9ff:W, 0x01fa00-0x01fa7f:W, 0x01fa80-0x01faff:W, 0x01fb00-0x01fb7f:W, 0x01fb80-0x01fbff:W, 0x01fc00-0x01fc7f:W, 0x01fc80-0x01fcff:W, 0x01fd00-0x01fd7f:W, 0x01fd80-0x01fdff:W, 0x01fe00-0x01fe7f:W, 0x01fe80-0x01feff:W, 0x01ff00-0x01ff7f:W, 0x01ff80-0x01ffff:W Erase/write done. Verifying flash... VERIFIED. D:\Downloads\Flashromkb9052>flashrom -p ch341a_spi -c "KB9052 (EDI)" -v EC.bin -V flashrom on Windows 6.2 (x86) flashrom is free software, get the source code at https://flashrom.org flashrom was built with GCC 6.3.0, little endian Command line (7 args): flashrom -p ch341a_spi -c KB9052 (EDI) -v EC.bin -V Calibrating delay loop... OS timer resolution is 15627 usecs, 1051M loops per second, 10 myus = 0 us, 100 myus = 0 us, 1000 myus = 0 us, 10000 myus = 15624 us, 62508 myus = 57430 us, OK. Initializing ch341a_spi programmer Device revision is 3.0.4 The following protocols are supported: SPI. Probing for ENE KB9052 (EDI), 128 kB: edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_read: Retrying read with greater buffer length! edi_chip_probe: hwversion 0xd0, ediid 0x0b No EEPROM/flash device found. Note: flashrom can never write if the flash chip isn't found automatically.

estou utilizando aqueles cabinho para protoboard são bem pequenos, estou tentando gravar sem remover o CI da placa mãe, você já conseguiu gravar esse modelo com ele na placa ou só fora da placa ?

Olá amigo estou tentando gravar esse mesmo EC usando a CH341A porem não estou conseguindo, ate consegui ler o mesmo e apagar porem quando vai efetuar a gravação ele da erro já verifiquei cabos já usei vários programas diferentes e não obtive sucesso, vi aqui que você conseguiu gravar usando o flashrom porem não tenho acesso para baixar os arquivos que você disponibilizou, você teria esses arquivos em algum outro site que eu possa baixar ou poderia me enviar os mesmo, ficaria muito agradecido.

ok criei outro tópico obrigado.

Pessoal estou com essa placa H61FFKN-B0 WP a mesma liga bipa da vídeo brevemente e depois desliga ai faz todo processo novamente fica nesse loop, já troquei memoria, processador, bateria cmos as tensões aparentemente todas ok, quando removo as memorias a placa liga e permanece ligada evidentemente sem vídeo mais não entra em loop, fiz a atualização de uma bios que encontrei e ficou a mesma coisa, já testei o processador dela em outra placa funciona normal.

amigo estou com uma placa igual com mesmo problema, você conseguiu resolver a sua ?

Amigo conseguiu resolver o problema ? estou com um aqui com mesmo sintoma não tenho tensão de +12.6v_batt