{"id":6458,"date":"2025-04-29T20:34:39","date_gmt":"2025-04-29T20:34:39","guid":{"rendered":"https:\/\/portatilinformatica.com.br\/?p=6458"},"modified":"2025-09-24T23:01:14","modified_gmt":"2025-09-24T23:01:14","slug":"hp-elitebook-840-defeitos-solucoes-upgrades","status":"publish","type":"post","link":"https:\/\/demo03wesoftwaredesign.com.br\/?p=6458","title":{"rendered":"HP EliteBook 840: defeitos, solu\u00e7\u00f5es e upgrades que transformam seu notebook"},"content":{"rendered":"<h2 class=\"\" data-start=\"313\" data-end=\"404\"><strong data-start=\"316\" data-end=\"404\">HP EliteBook 840: Principais Defeitos, Solu\u00e7\u00f5es Profissionais e Melhorias Essenciais<\/strong><\/h2>\n<p class=\"\" data-start=\"406\" data-end=\"859\">O <strong data-start=\"408\" data-end=\"437\">notebook HP EliteBook 840<\/strong> \u00e9 conhecido por seu design elegante e robusto, muito utilizado em ambientes corporativos e por profissionais que exigem desempenho est\u00e1vel. No entanto, com o tempo de uso, esse modelo apresenta falhas recorrentes, que v\u00e3o desde lentid\u00e3o at\u00e9 falhas cr\u00edticas na placa-m\u00e3e. A seguir, listamos os principais problemas desse equipamento e como solucion\u00e1-los de forma eficaz, sempre com <strong data-start=\"819\" data-end=\"858\">interven\u00e7\u00f5es t\u00e9cnicas profissionais<\/strong>.<\/p>\n<h3 class=\"\" data-start=\"861\" data-end=\"904\"><strong data-start=\"865\" data-end=\"904\">Defeitos comuns do HP EliteBook 840<\/strong><\/h3>\n<ol data-start=\"906\" data-end=\"2478\">\n<li class=\"\" data-start=\"906\" data-end=\"1269\">\n<p class=\"\" data-start=\"909\" data-end=\"956\"><strong data-start=\"909\" data-end=\"956\">Superaquecimento e desligamentos repentinos<\/strong><\/p>\n<ul data-start=\"960\" data-end=\"1269\">\n<li class=\"\" data-start=\"960\" data-end=\"1095\">\n<p class=\"\" data-start=\"962\" data-end=\"1095\">O ac\u00famulo de poeira no sistema de refrigera\u00e7\u00e3o, a degrada\u00e7\u00e3o da pasta t\u00e9rmica e dos pads t\u00e9rmicos comprometem o resfriamento interno.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1099\" data-end=\"1269\">\n<p class=\"\" data-start=\"1101\" data-end=\"1269\"><strong data-start=\"1101\" data-end=\"1112\">Solu\u00e7\u00e3o<\/strong>: limpeza preventiva, substitui\u00e7\u00e3o por <strong data-start=\"1151\" data-end=\"1199\">pasta t\u00e9rmica de alta condutividade (18W\/mK)<\/strong> e <strong data-start=\"1202\" data-end=\"1227\">pad t\u00e9rmico de 12W\/mK<\/strong>, mantendo o sistema est\u00e1vel e silencioso.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"\" data-start=\"1271\" data-end=\"1557\">\n<p class=\"\" data-start=\"1274\" data-end=\"1319\"><strong data-start=\"1274\" data-end=\"1319\">Lentid\u00e3o extrema e travamentos constantes<\/strong><\/p>\n<ul data-start=\"1323\" data-end=\"1557\">\n<li class=\"\" data-start=\"1323\" data-end=\"1443\">\n<p class=\"\" data-start=\"1325\" data-end=\"1443\">O uso de <strong data-start=\"1334\" data-end=\"1349\">HD mec\u00e2nico<\/strong> \u00e9 um dos principais gargalos. Com o tempo, o sistema se torna lento at\u00e9 para tarefas b\u00e1sicas.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1447\" data-end=\"1557\">\n<p class=\"\" data-start=\"1449\" data-end=\"1557\"><strong data-start=\"1449\" data-end=\"1460\">Solu\u00e7\u00e3o<\/strong>: upgrade para <strong data-start=\"1475\" data-end=\"1510\">SSD (100x mais r\u00e1pido que o HD)<\/strong> e instala\u00e7\u00e3o de sistema operacional otimizado.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"\" data-start=\"1559\" data-end=\"1843\">\n<p class=\"\" data-start=\"1562\" data-end=\"1632\"><strong data-start=\"1562\" data-end=\"1632\">Falhas na placa-m\u00e3e (sem imagem, liga e n\u00e3o d\u00e1 v\u00eddeo, ou n\u00e3o liga)<\/strong><\/p>\n<ul data-start=\"1636\" data-end=\"1843\">\n<li class=\"\" data-start=\"1636\" data-end=\"1727\">\n<p class=\"\" data-start=\"1638\" data-end=\"1727\">Engates e trilhas rompidas por calor ou desmontagens malfeitas podem causar danos s\u00e9rios.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1731\" data-end=\"1843\">\n<p class=\"\" data-start=\"1733\" data-end=\"1843\"><strong data-start=\"1733\" data-end=\"1744\">Solu\u00e7\u00e3o<\/strong>: reparo especializado na placa-m\u00e3e, troca de componentes como <strong data-start=\"1807\" data-end=\"1842\">GMU, processador ou mem\u00f3ria RAM<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"\" data-start=\"1845\" data-end=\"2034\">\n<p class=\"\" data-start=\"1848\" data-end=\"1883\"><strong data-start=\"1848\" data-end=\"1883\">Problemas no teclado e touchpad<\/strong><\/p>\n<ul data-start=\"1887\" data-end=\"2034\">\n<li class=\"\" data-start=\"1887\" data-end=\"1955\">\n<p class=\"\" data-start=\"1889\" data-end=\"1955\">Pode ser causado por falhas l\u00f3gicas, oxida\u00e7\u00e3o ou desgaste por uso.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1959\" data-end=\"2034\">\n<p class=\"\" data-start=\"1961\" data-end=\"2034\"><strong data-start=\"1961\" data-end=\"1972\">Solu\u00e7\u00e3o<\/strong>: an\u00e1lise t\u00e9cnica e substitui\u00e7\u00e3o de m\u00f3dulos quando necess\u00e1rio.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"\" data-start=\"2036\" data-end=\"2265\">\n<p class=\"\" data-start=\"2039\" data-end=\"2079\"><strong data-start=\"2039\" data-end=\"2079\">Portas USB ou HDMI sem funcionamento<\/strong><\/p>\n<ul data-start=\"2083\" data-end=\"2265\">\n<li class=\"\" data-start=\"2083\" data-end=\"2157\">\n<p class=\"\" data-start=\"2085\" data-end=\"2157\">Causado por falhas f\u00edsicas na solda ou mal contato nas trilhas da placa.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2161\" data-end=\"2265\">\n<p class=\"\" data-start=\"2163\" data-end=\"2265\"><strong data-start=\"2163\" data-end=\"2174\">Solu\u00e7\u00e3o<\/strong>: retrabalho de solda com microsc\u00f3pio e testes de continuidade por t\u00e9cnicos especializados.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"\" data-start=\"2267\" data-end=\"2478\">\n<p class=\"\" data-start=\"2270\" data-end=\"2310\"><strong data-start=\"2270\" data-end=\"2310\">Tela piscando ou com brilho inst\u00e1vel<\/strong><\/p>\n<ul data-start=\"2314\" data-end=\"2478\">\n<li class=\"\" data-start=\"2314\" data-end=\"2389\">\n<p class=\"\" data-start=\"2316\" data-end=\"2389\">Problemas na alimenta\u00e7\u00e3o da tela, flat cable ou GPU integrada danificada.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2393\" data-end=\"2478\">\n<p class=\"\" data-start=\"2395\" data-end=\"2478\"><strong data-start=\"2395\" data-end=\"2406\">Solu\u00e7\u00e3o<\/strong>: troca de flat, conector ou reparo no circuito gr\u00e1fico com an\u00e1lise BGA.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 class=\"\" data-start=\"2485\" data-end=\"2554\">\u26a0\ufe0f <strong data-start=\"2492\" data-end=\"2554\">N\u00e3o fa\u00e7a voc\u00ea mesmo: riscos de desmontagem sem experi\u00eancia<\/strong><\/h3>\n<p class=\"\" data-start=\"2556\" data-end=\"2872\">O EliteBook 840 possui um sistema de encaixe sens\u00edvel. Muitas pessoas tentam desmont\u00e1-lo em casa e acabam <strong data-start=\"2662\" data-end=\"2724\">quebrando os engates da carca\u00e7a ou danificando a placa-m\u00e3e<\/strong>, o que eleva muito o custo do reparo. A desmontagem mal executada tamb\u00e9m pode gerar <strong data-start=\"2809\" data-end=\"2871\">curtos, rompimento de trilhas e perda total do equipamento<\/strong>.<\/p>\n<p class=\"\" data-start=\"2874\" data-end=\"3112\"><strong data-start=\"2874\" data-end=\"2918\">Confie em uma assist\u00eancia especializada.<\/strong> A <strong data-start=\"2921\" data-end=\"2945\">Port\u00e1til Inform\u00e1tica<\/strong>, com sede em Belo Horizonte, realiza todos os servi\u00e7os com microscopia, precis\u00e3o e seguran\u00e7a, sem danos aos componentes internos. Atendemos clientes de todo o Brasil.<\/p>\n<h3 class=\"\" data-start=\"3119\" data-end=\"3174\">\ufe0f <strong data-start=\"3127\" data-end=\"3174\">Servi\u00e7os profissionais para o EliteBook 840<\/strong><\/h3>\n<p class=\"\" data-start=\"3176\" data-end=\"3283\">Na <strong data-start=\"3179\" data-end=\"3203\">Port\u00e1til Inform\u00e1tica<\/strong>, oferecemos um pacote completo de manuten\u00e7\u00e3o e upgrade para o HP EliteBook 840:<\/p>\n<ul data-start=\"3285\" data-end=\"3696\">\n<li class=\"\" data-start=\"3285\" data-end=\"3367\">\n<p class=\"\" data-start=\"3287\" data-end=\"3367\">Limpeza preventiva com pasta t\u00e9rmica de <strong data-start=\"3327\" data-end=\"3337\">18W\/mK<\/strong> e pad t\u00e9rmico de <strong data-start=\"3355\" data-end=\"3365\">12W\/mK<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"3368\" data-end=\"3394\">\n<p class=\"\" data-start=\"3370\" data-end=\"3394\">Upgrade de mem\u00f3ria RAM<\/p>\n<\/li>\n<li class=\"\" data-start=\"3395\" data-end=\"3440\">\n<p class=\"\" data-start=\"3397\" data-end=\"3440\">Instala\u00e7\u00e3o de <strong data-start=\"3411\" data-end=\"3438\">SSD de alta performance<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"3441\" data-end=\"3512\">\n<p class=\"\" data-start=\"3443\" data-end=\"3512\">Instala\u00e7\u00e3o completa do <strong data-start=\"3466\" data-end=\"3510\">sistema operacional original e otimizado<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"3513\" data-end=\"3593\">\n<p class=\"\" data-start=\"3515\" data-end=\"3593\">Reparo de placa-m\u00e3e com troca de <strong data-start=\"3548\" data-end=\"3591\">GMU, GPU, processador e mem\u00f3ria soldada<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"3594\" data-end=\"3657\">\n<p class=\"\" data-start=\"3596\" data-end=\"3657\">Reparo de v\u00eddeo, conectores, portas USB, HDMI e alimenta\u00e7\u00e3o<\/p>\n<\/li>\n<li class=\"\" data-start=\"3658\" data-end=\"3696\">\n<p class=\"\" data-start=\"3660\" data-end=\"3696\">Recupera\u00e7\u00e3o de dados e backup seguro<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"3703\" data-end=\"3754\"><strong data-start=\"3710\" data-end=\"3754\">Por que escolher a Port\u00e1til Inform\u00e1tica?<\/strong><\/h3>\n<p class=\"\" data-start=\"3756\" data-end=\"3958\">Somos especialistas em modelos profissionais como o HP EliteBook 840, com <strong data-start=\"3830\" data-end=\"3864\">mais de 20 anos de experi\u00eancia<\/strong> em reparos eletr\u00f4nicos e upgrades avan\u00e7ados. Atuamos com seguran\u00e7a, precis\u00e3o e transpar\u00eancia.<\/p>\n<p class=\"\" data-start=\"3960\" data-end=\"4072\">Instagram: <a class=\"\" href=\"https:\/\/www.instagram.com\/portatilinformatica\" target=\"_new\" rel=\"noopener\" data-start=\"3974\" data-end=\"4043\">@portatilinformatica<\/a><br data-start=\"4043\" data-end=\"4046\" \/>WhatsApp: xx31995787120<\/p>\n<h2 class=\"\" data-start=\"4079\" data-end=\"4102\"><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>HP EliteBook 840: Principais Defeitos, Solu\u00e7\u00f5es Profissionais e Melhorias Essenciais O notebook HP EliteBook 840 \u00e9 conhecido por seu design elegante e robusto, muito utilizado em ambientes corporativos e por profissionais que exigem desempenho est\u00e1vel. No entanto, com o tempo de uso, esse modelo apresenta falhas recorrentes, que v\u00e3o desde lentid\u00e3o at\u00e9 falhas cr\u00edticas na&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,1,32,33,36,37],"tags":[],"class_list":["post-6458","post","type-post","status-publish","format-standard","hentry","category-area-de-atuacao","category-artigos","category-blog","category-dicas","category-tecnologia","category-windows"],"_links":{"self":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts\/6458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6458"}],"version-history":[{"count":2,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts\/6458\/revisions"}],"predecessor-version":[{"id":22505,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=\/wp\/v2\/posts\/6458\/revisions\/22505"}],"wp:attachment":[{"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo03wesoftwaredesign.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}