{"id":1909,"date":"2026-09-16T11:51:58","date_gmt":"2026-09-16T09:51:58","guid":{"rendered":"https:\/\/pcsluzba.sk\/blog\/?p=1909"},"modified":"2026-09-16T11:51:59","modified_gmt":"2026-09-16T09:51:59","slug":"pocitac-nema-obraz","status":"publish","type":"post","link":"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/","title":{"rendered":"Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 \u010do skontrolova\u0165? Pr\u00ed\u010diny a rie\u0161enia"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Po\u010d\u00edta\u010d sa zapne, ventil\u00e1tory sa rozto\u010dia, kontrolky svietia, ale na monitore zost\u00e1va \u010dierna obrazovka? Probl\u00e9m nemus\u00ed automaticky znamena\u0165 pokazen\u00fa grafick\u00fa kartu. Pr\u00ed\u010dinou m\u00f4\u017ee by\u0165 monitor, k\u00e1bel, nespr\u00e1vny vstup, <a href=\"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/#gpu\">grafick\u00e1 karta<\/a>, <a href=\"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/#ram\">RAM<\/a>, nap\u00e1janie alebo z\u00e1kladn\u00e1 doska.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V tomto n\u00e1vode si uk\u00e1\u017eeme, \u010do m\u00e1 zmysel skontrolova\u0165 doma a pod\u013ea \u010doho sa d\u00e1 odhadn\u00fa\u0165, kde sa chyba nach\u00e1dza. Ak po\u010d\u00edta\u010d po zapnut\u00ed nereaguje v\u00f4bec, pozrite si aj \u010dl\u00e1nok <a href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-sa-sam-vypina-alebo-restartuje\/\">Po\u010d\u00edta\u010d sa s\u00e1m vyp\u00edna alebo re\u0161tartuje \u2013 naj\u010dastej\u0161ie pr\u00ed\u010diny<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Najprv_zistite_ci_pocitac_skutocne_bezi\" >Najprv zistite, \u010di po\u010d\u00edta\u010d skuto\u010dne be\u017e\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#1_Skontrolujte_monitor_a_spravny_vstup\" >1. Skontrolujte monitor a spr\u00e1vny vstup<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#2_Skuste_iny_kabel_alebo_iny_monitor\" >2. Sk\u00faste in\u00fd k\u00e1bel alebo in\u00fd monitor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#3_Skontrolujte_kam_je_monitor_zapojeny\" >3. Skontrolujte, kam je monitor zapojen\u00fd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#4_Skuste_iny_vystup_grafickej_karty\" >4. Sk\u00faste in\u00fd v\u00fdstup grafickej karty<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#5_Skontrolujte_RAM\" >5. Skontrolujte RAM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#6_Sledujte_diagnosticke_LED_alebo_zvukove_kody\" >6. Sledujte diagnostick\u00e9 LED alebo zvukov\u00e9 k\u00f3dy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#7_Pomoct_moze_reset_BIOSUEFI\" >7. Pom\u00f4c\u0165 m\u00f4\u017ee reset BIOS\/UEFI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#8_Problem_moze_byt_v_grafickej_karte\" >8. Probl\u00e9m m\u00f4\u017ee by\u0165 v grafickej karte<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#9_Zdroj_alebo_zakladna_doska_mozu_sposobit_rovnaky_problem\" >9. Zdroj alebo z\u00e1kladn\u00e1 doska m\u00f4\u017eu sp\u00f4sobi\u0165 rovnak\u00fd probl\u00e9m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Co_ak_sa_obraz_strati_az_po_starte_Windows\" >\u010co ak sa obraz strat\u00ed a\u017e po \u0161tarte Windows?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Kedy_uz_ma_zmysel_servisna_diagnostika\" >Kedy u\u017e m\u00e1 zmysel servisn\u00e1 diagnostika?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Najcastejsie_otazky\" >Naj\u010dastej\u0161ie ot\u00e1zky<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Preco_pocitac_bezi_ale_monitor_pise_No_signal\" >Pre\u010do po\u010d\u00edta\u010d be\u017e\u00ed, ale monitor p\u00ed\u0161e No signal?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Moze_chybna_RAM_sposobit_uplne_ciernu_obrazovku\" >M\u00f4\u017ee chybn\u00e1 RAM sp\u00f4sobi\u0165 \u00faplne \u010diernu obrazovku?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Ako_zistim_ci_je_pokazena_graficka_karta\" >Ako zist\u00edm, \u010di je pokazen\u00e1 grafick\u00e1 karta?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Mozem_pouzit_HDMI_na_zakladnej_doske\" >M\u00f4\u017eem pou\u017ei\u0165 HDMI na z\u00e1kladnej doske?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/#Pomoze_vybratie_baterie_CMOS\" >Pom\u00f4\u017ee vybratie bat\u00e9rie CMOS?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Najprv_zistite_ci_pocitac_skutocne_bezi\"><\/span>Najprv zistite, \u010di po\u010d\u00edta\u010d skuto\u010dne be\u017e\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pri \u010diernej obrazovke je d\u00f4le\u017eit\u00e9 odl\u00ed\u0161i\u0165 dve situ\u00e1cie. V prvej sa po\u010d\u00edta\u010d v\u00f4bec nespust\u00ed. V druhej sa zapne, ale neposiela obrazov\u00fd sign\u00e1l do monitora.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Rozto\u010dia sa ventil\u00e1tory?<\/li><li>Svietia LED kontrolky na skrinke alebo z\u00e1kladnej doske?<\/li><li>Po\u010du\u0165 po chv\u00edli zvuk \u0161tartu Windows?<\/li><li>Reaguje kl\u00e1vesnica, napr\u00edklad LED Num Lock alebo Caps Lock?<\/li><li>Re\u0161tartuje sa po\u010d\u00edta\u010d opakovane s\u00e1m?<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ak po\u010d\u00edta\u010d p\u00f4sob\u00ed, \u017ee norm\u00e1lne nabieha, probl\u00e9m bude sk\u00f4r v obrazovej ceste \u2013 teda v monitore, k\u00e1bli, v\u00fdstupe alebo grafickej karte. Ak sa nedostane ani cez \u00favodn\u00fd hardv\u00e9rov\u00fd test, treba h\u013eada\u0165 probl\u00e9m aj v RAM, nap\u00e1jan\u00ed alebo z\u00e1kladnej doske.<\/p>\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6aafc011b7e91&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6aafc011b7e91\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-diagnostika-1024x1024.webp\" alt=\"Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 diagnostika krok za krokom: monitor, k\u00e1bel, grafick\u00e1 karta, RAM, nap\u00e1janie a BIOS UEFI\" class=\"wp-image-1911\" srcset=\"https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-diagnostika-1024x1024.webp 1024w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-diagnostika-300x300.webp 300w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-diagnostika-150x150.webp 150w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-diagnostika-768x768.webp 768w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-diagnostika.webp 1254w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 diagnostika krok za krokom<\/figcaption><\/figure>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Skontrolujte_monitor_a_spravny_vstup\"><\/span>1. Skontrolujte monitor a spr\u00e1vny vstup<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Za\u010dnite t\u00fdm najjednoduch\u0161\u00edm. Overte, \u010di je monitor zapnut\u00fd a \u010di m\u00e1 zvolen\u00fd spr\u00e1vny zdroj sign\u00e1lu. Ak je po\u010d\u00edta\u010d pripojen\u00fd cez <a href=\"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/#hdmi\">HDMI<\/a>, monitor mus\u00ed ma\u0165 zvolen\u00fd pr\u00e1ve pr\u00edslu\u0161n\u00fd HDMI vstup. To ist\u00e9 plat\u00ed pre <a href=\"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/#displayport\">DisplayPort<\/a>, DVI alebo VGA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak monitor zobrazuje hl\u00e1senie typu <strong>No signal<\/strong> alebo <strong>Signal not detected<\/strong>, samotn\u00fd panel pravdepodobne funguje, ale nedost\u00e1va obrazov\u00fd sign\u00e1l z po\u010d\u00edta\u010da.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Skuste_iny_kabel_alebo_iny_monitor\"><\/span>2. Sk\u00faste in\u00fd k\u00e1bel alebo in\u00fd monitor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u0161koden\u00fd HDMI alebo DisplayPort k\u00e1bel m\u00f4\u017ee sp\u00f4sobi\u0165 \u00faplne \u010diernu obrazovku. Ak m\u00e1te mo\u017enos\u0165, sk\u00faste in\u00fd k\u00e1bel a ide\u00e1lne aj in\u00fd monitor alebo telev\u00edzor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rovnako pom\u00f4\u017ee pripoji\u0165 probl\u00e9mov\u00fd monitor k in\u00e9mu po\u010d\u00edta\u010du alebo notebooku. Takto sa r\u00fdchlo uk\u00e1\u017ee, \u010di je chyba na strane monitora alebo PC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Skontrolujte_kam_je_monitor_zapojeny\"><\/span>3. Skontrolujte, kam je monitor zapojen\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pri stolnom po\u010d\u00edta\u010di s dedikovanou grafickou kartou b\u00fdva \u010dastou chybou zapojenie monitora do obrazov\u00e9ho v\u00fdstupu na z\u00e1kladnej doske namiesto do grafickej karty.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak procesor nem\u00e1 integrovan\u00fa grafiku, porty HDMI alebo DisplayPort na z\u00e1kladnej doske nemusia poskytova\u0165 \u017eiadny obraz. Monitor preto zapojte priamo do konektorov grafickej karty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Skuste_iny_vystup_grafickej_karty\"><\/span>4. Sk\u00faste in\u00fd v\u00fdstup grafickej karty<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Grafick\u00e9 karty maj\u00fa zvy\u010dajne viac obrazov\u00fdch v\u00fdstupov. Ak obraz cez jeden port nejde, sk\u00faste druh\u00fd HDMI alebo DisplayPort. Pom\u00f4\u017ee to odhali\u0165 probl\u00e9m s konkr\u00e9tnym konektorom alebo k\u00e1blom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak karta pou\u017e\u00edva extern\u00e9 nap\u00e1jacie konektory, skontrolujte aj ich spr\u00e1vne zapojenie. K\u00e1ble musia by\u0165 ur\u010den\u00e9 pre PCIe\/GPU, nie pre nap\u00e1janie procesora.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Skontrolujte_RAM\"><\/span>5. Skontrolujte RAM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nespr\u00e1vne osaden\u00fd alebo chybn\u00fd pam\u00e4\u0165ov\u00fd modul patr\u00ed medzi \u010dast\u00e9 pr\u00ed\u010diny, pre\u010do po\u010d\u00edta\u010d po zapnut\u00ed nezobraz\u00ed ni\u010d. Ak si na pr\u00e1cu vo vn\u00fatri PC tr\u00fafate, po\u010d\u00edta\u010d vypnite, odpojte od elektrickej siete a skontrolujte, \u010di s\u00fa moduly RAM \u00faplne zasunut\u00e9 v slotoch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pri viacer\u00fdch moduloch mo\u017eno diagnosticky sk\u00fasi\u0165 spustenie iba s jedn\u00fdm modulom a n\u00e1sledne druh\u00fdm. D\u00f4le\u017eit\u00e9 je pou\u017ei\u0165 slot odpor\u00fa\u010dan\u00fd v\u00fdrobcom z\u00e1kladnej dosky, \u010dasto A2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Sledujte_diagnosticke_LED_alebo_zvukove_kody\"><\/span>6. Sledujte diagnostick\u00e9 LED alebo zvukov\u00e9 k\u00f3dy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mnoh\u00e9 z\u00e1kladn\u00e9 dosky maj\u00fa diagnostick\u00e9 LED ozna\u010den\u00e9 napr\u00edklad CPU, DRAM, VGA a BOOT. Ak po zapnut\u00ed zostane svieti\u0165 VGA, probl\u00e9m sa pravdepodobne t\u00fdka grafiky. DRAM upozor\u0148uje na pam\u00e4\u0165 a CPU na procesor alebo jeho inicializ\u00e1ciu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Star\u0161ie z\u00e1kladn\u00e9 dosky m\u00f4\u017eu namiesto LED pou\u017e\u00edva\u0165 zvukov\u00e9 k\u00f3dy. Ich v\u00fdznam sa l\u00ed\u0161i pod\u013ea v\u00fdrobcu a verzie <a href=\"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/#bios\">BIOS<\/a>\/<a href=\"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/#uefi\">UEFI<\/a>, preto treba pozrie\u0165 manu\u00e1l konkr\u00e9tnej dosky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Pomoct_moze_reset_BIOSUEFI\"><\/span>7. Pom\u00f4c\u0165 m\u00f4\u017ee reset BIOS\/UEFI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Po zmene nastaven\u00ed pam\u00e4te, pretaktovan\u00ed alebo aktualiz\u00e1cii firmv\u00e9ru m\u00f4\u017ee po\u010d\u00edta\u010d presta\u0165 zobrazova\u0165 obraz. V takom pr\u00edpade m\u00f4\u017ee pom\u00f4c\u0165 n\u00e1vrat nastaven\u00ed BIOS\/UEFI na predvolen\u00e9 hodnoty pomocou funkcie Clear CMOS.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Postup sa pri jednotliv\u00fdch dosk\u00e1ch l\u00ed\u0161i. Niekde sa pou\u017e\u00edva tla\u010didlo, inde jumper a pri star\u0161\u00edch dosk\u00e1ch sa pracuje s bat\u00e9riou CMOS. Pred z\u00e1sahom si preto overte spr\u00e1vny postup v manu\u00e1li z\u00e1kladnej dosky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Problem_moze_byt_v_grafickej_karte\"><\/span>8. Probl\u00e9m m\u00f4\u017ee by\u0165 v grafickej karte<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ak monitor, k\u00e1ble aj RAM funguj\u00fa, podozrenie pad\u00e1 na grafick\u00fa kartu. Diagnostika m\u00f4\u017ee zah\u0155\u0148a\u0165 jej op\u00e4tovn\u00e9 osadenie do PCIe slotu, kontrolu nap\u00e1jania alebo sk\u00fa\u0161ku s inou funk\u010dnou kartou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak procesor obsahuje integrovan\u00fa grafiku, mo\u017eno po vybrat\u00ed dedikovanej karty sk\u00fasi\u0165 obrazov\u00fd v\u00fdstup z\u00e1kladnej dosky. Nie ka\u017ed\u00fd procesor v\u0161ak integrovan\u00e9 grafick\u00e9 jadro m\u00e1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Zdroj_alebo_zakladna_doska_mozu_sposobit_rovnaky_problem\"><\/span>9. Zdroj alebo z\u00e1kladn\u00e1 doska m\u00f4\u017eu sp\u00f4sobi\u0165 rovnak\u00fd probl\u00e9m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To, \u017ee sa ventil\u00e1tory rozto\u010dia, e\u0161te neznamen\u00e1, \u017ee je nap\u00e1jac\u00ed zdroj \u00faplne v poriadku. Chybn\u00fd zdroj m\u00f4\u017ee poskytova\u0165 \u010das\u0165 nap\u00e4t\u00ed, ale po\u010d\u00edta\u010d sa nemus\u00ed korektne inicializova\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podobne sa m\u00f4\u017ee prejavi\u0165 po\u0161koden\u00e1 z\u00e1kladn\u00e1 doska, probl\u00e9m s procesorom alebo kontaktom v p\u00e4tici. Tak\u00e9to chyby u\u017e zvy\u010dajne vy\u017eaduj\u00fa testovanie s n\u00e1hradn\u00fdmi komponentmi.<\/p>\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6aafc011b89ea&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6aafc011b89ea\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-priciny-riesenia-1024x1024.webp\" alt=\"Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 naj\u010dastej\u0161ie pr\u00ed\u010diny a rie\u0161enia pre monitor, k\u00e1bel, GPU, RAM, zdroj, BIOS UEFI a z\u00e1kladn\u00fa dosku\" class=\"wp-image-1910\" srcset=\"https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-priciny-riesenia-1024x1024.webp 1024w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-priciny-riesenia-300x300.webp 300w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-priciny-riesenia-150x150.webp 150w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-priciny-riesenia-768x768.webp 768w, https:\/\/pcsluzba.sk\/blog\/wp-content\/uploads\/2026\/09\/pocitac-nema-obraz-priciny-riesenia.webp 1254w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 naj\u010dastej\u0161ie pr\u00ed\u010diny a rie\u0161enia<\/figcaption><\/figure>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Co_ak_sa_obraz_strati_az_po_starte_Windows\"><\/span>\u010co ak sa obraz strat\u00ed a\u017e po \u0161tarte Windows?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ak vid\u00edte logo v\u00fdrobcu alebo obraz v BIOS\/UEFI, ale obraz zmizne a\u017e pri \u0161tarte syst\u00e9mu, hardv\u00e9r nemus\u00ed by\u0165 hlavnou pr\u00ed\u010dinou. Probl\u00e9m m\u00f4\u017ee s\u00favisie\u0165 s ovl\u00e1da\u010dom grafiky, rozl\u00ed\u0161en\u00edm, aktualiz\u00e1ciou Windows alebo po\u0161koden\u00fdm syst\u00e9mom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V takom pr\u00edpade m\u00f4\u017ee pom\u00f4c\u0165 n\u00fadzov\u00fd re\u017eim alebo oprava syst\u00e9mu. Pozrite si aj \u010dl\u00e1nok <a href=\"https:\/\/pcsluzba.sk\/blog\/windows-sa-nespusti\/\">Windows sa nespust\u00ed \u2013 \u010do robi\u0165?<\/a> a pri p\u00e1doch syst\u00e9mu aj <a href=\"https:\/\/pcsluzba.sk\/blog\/bsod-modra-obrazovka-smrti\/\">BSOD \u2013 Modr\u00e1 obrazovka smrti vo Windows<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kedy_uz_ma_zmysel_servisna_diagnostika\"><\/span>Kedy u\u017e m\u00e1 zmysel servisn\u00e1 diagnostika?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ak ste vyl\u00fa\u010dili monitor a k\u00e1bel, po\u010d\u00edta\u010d st\u00e1le nem\u00e1 obraz a nem\u00e1te k dispoz\u00edcii n\u00e1hradn\u00fa RAM, grafick\u00fa kartu alebo zdroj, \u010fal\u0161ie sk\u00fa\u0161anie naslepo m\u00f4\u017ee by\u0165 zd\u013ahav\u00e9. Servisn\u00e1 diagnostika umo\u017en\u00ed komponenty postupne otestova\u0165 a ur\u010di\u0165, ktor\u00fd z nich probl\u00e9m sp\u00f4sobuje.<\/p>\n\n\n\t<div class=\"pcsluzba-phone-cta\">\n\n\t\t<div class=\"pcsluzba-phone-cta__content\">\n\t\t\t<strong>Po\u010d\u00edta\u010d alebo Windows nefunguje spr\u00e1vne?<\/strong>\n\n\t\t\t<p>\n\t\t\t\tPom\u00f4\u017eeme s diagnostikou, opravou syst\u00e9mu, odstr\u00e1nen\u00edm probl\u00e9mov\n\t\t\t\taj zr\u00fdchlen\u00edm po\u010d\u00edta\u010da \u2013 osobne alebo na dia\u013eku.\n\t\t\t<\/p>\n\t\t<\/div>\n\n\t\t<div class=\"pcsluzba-phone-cta__action\">\n\n\t\t\t<a href=\"tel:+421911758922\" class=\"pcsluzba-phone-button\">\n\t\t\t\t<span class=\"pcsluzba-phone-icon\" aria-hidden=\"true\">&#9742;&#65038;<\/span>\n\t\t\t\tZavola\u0165 0911 758 922\n\t\t\t<\/a>\n\n\t\t\t<a href=\"https:\/\/wa.me\/421911758922\" class=\"pcsluzba-whatsapp-button\" target=\"_blank\" rel=\"noopener\">\n\t\t\t\t<span class=\"pcsluzba-wa-icon\" aria-hidden=\"true\">\n\t\t\t\t\t<svg viewBox=\"0 0 32 32\" width=\"16\" height=\"16\" fill=\"currentColor\"><path d=\"M16.04 3C8.83 3 3 8.74 3 15.83c0 2.5.74 4.94 2.13 7.02L3 29l6.32-2.03a13.15 13.15 0 0 0 6.71 1.83h.01C23.25 28.8 29 23.06 29 15.96 29 8.86 23.25 3 16.04 3zm0 23.63a10.9 10.9 0 0 1-5.57-1.52l-.4-.24-3.75 1.2 1.23-3.62-.26-.42a10.58 10.58 0 0 1-1.67-5.7c0-5.87 4.68-10.64 10.43-10.64 5.74 0 10.42 4.77 10.42 10.64 0 5.86-4.68 10.3-10.43 10.3zm5.72-7.74c-.31-.16-1.85-.93-2.14-1.03-.29-.11-.5-.16-.71.16-.21.31-.81 1.03-.99 1.24-.18.21-.36.24-.68.08-.31-.16-1.32-.5-2.52-1.58-.93-.83-1.56-1.86-1.74-2.17-.18-.31-.02-.48.14-.64.14-.14.31-.37.47-.56.16-.18.21-.31.31-.52.1-.21.05-.39-.03-.55-.08-.16-.71-1.74-.97-2.38-.26-.62-.52-.54-.71-.55h-.61c-.21 0-.55.08-.84.39-.29.31-1.1 1.09-1.1 2.66 0 1.57 1.13 3.09 1.29 3.3.16.21 2.22 3.45 5.38 4.84.75.33 1.34.52 1.8.67.76.24 1.44.21 1.98.13.6-.09 1.85-.77 2.11-1.51.26-.75.26-1.38.18-1.51-.08-.13-.29-.21-.61-.37z\"\/><\/svg>\n\t\t\t\t<\/span>\n\t\t\t\tNap\u00edsa\u0165 cez WhatsApp\n\t\t\t<\/a>\n\n\t\t\t<a href=\"https:\/\/pcsluzba.sk\/servis-pc.html\" class=\"pcsluzba-service-link\">\n\t\t\t\tViac o na\u0161om servise PC \u2192\n\t\t\t<\/a>\n\n\t\t\t<small>Bratislava a okolie \u2022 Denne 8:00 \u2013 20:00<br>Aj cez v\u00edkendy a sviatky<\/small>\n\t\t<\/div>\n\t<\/div>\n\n\t\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Najcastejsie_otazky\"><\/span>Naj\u010dastej\u0161ie ot\u00e1zky<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Preco_pocitac_bezi_ale_monitor_pise_No_signal\"><\/span>Pre\u010do po\u010d\u00edta\u010d be\u017e\u00ed, ale monitor p\u00ed\u0161e No signal?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Naj\u010dastej\u0161ie ide o nespr\u00e1vny vstup monitora, chybn\u00fd k\u00e1bel, zapojenie monitora do nespr\u00e1vneho portu, probl\u00e9m grafickej karty alebo RAM.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Moze_chybna_RAM_sposobit_uplne_ciernu_obrazovku\"><\/span>M\u00f4\u017ee chybn\u00e1 RAM sp\u00f4sobi\u0165 \u00faplne \u010diernu obrazovku?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1no. Ak z\u00e1kladn\u00e1 doska nedok\u00e1\u017ee inicializova\u0165 opera\u010dn\u00fa pam\u00e4\u0165, po\u010d\u00edta\u010d sa nemus\u00ed dosta\u0165 do f\u00e1zy, v ktorej za\u010dne zobrazova\u0165 obraz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ako_zistim_ci_je_pokazena_graficka_karta\"><\/span>Ako zist\u00edm, \u010di je pokazen\u00e1 grafick\u00e1 karta?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Najistej\u0161ie je vyl\u00fa\u010di\u0165 monitor a k\u00e1bel a n\u00e1sledne grafick\u00fa kartu otestova\u0165 v inom po\u010d\u00edta\u010di alebo sk\u00fasi\u0165 v danom PC in\u00fa funk\u010dn\u00fa kartu. Pom\u00f4c\u0165 m\u00f4\u017ee aj diagnostick\u00e1 VGA LED na z\u00e1kladnej doske.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mozem_pouzit_HDMI_na_zakladnej_doske\"><\/span>M\u00f4\u017eem pou\u017ei\u0165 HDMI na z\u00e1kladnej doske?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Iba vtedy, ak procesor podporuje integrovan\u00fa grafiku a z\u00e1kladn\u00e1 doska umo\u017e\u0148uje jej pou\u017eitie. Pri procesoroch bez integrovan\u00e9ho grafick\u00e9ho jadra tieto v\u00fdstupy obraz neposkytn\u00fa.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pomoze_vybratie_baterie_CMOS\"><\/span>Pom\u00f4\u017ee vybratie bat\u00e9rie CMOS?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Niekedy \u00e1no, ak probl\u00e9m sp\u00f4sobili nespr\u00e1vne nastavenia BIOS\/UEFI. Spr\u00e1vny sp\u00f4sob resetu v\u0161ak z\u00e1vis\u00ed od konkr\u00e9tnej z\u00e1kladnej dosky, preto je vhodn\u00e9 postupova\u0165 pod\u013ea jej manu\u00e1lu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po\u010d\u00edta\u010d sa zapne, ventil\u00e1tory sa rozto\u010dia, kontrolky svietia, ale na monitore zost\u00e1va \u010dierna obrazovka? Probl\u00e9m nemus\u00ed automaticky znamena\u0165 pokazen\u00fa grafick\u00fa kartu. Pr\u00ed\u010dinou m\u00f4\u017ee by\u0165 monitor, k\u00e1bel, nespr\u00e1vny vstup, grafick\u00e1 karta, RAM, nap\u00e1janie alebo z\u00e1kladn\u00e1 doska. V tomto n\u00e1vode si uk\u00e1\u017eeme, \u010do m\u00e1 zmysel skontrolova\u0165 doma a pod\u013ea \u010doho sa d\u00e1 odhadn\u00fa\u0165, kde sa chyba nach\u00e1dza. &#8230; <a title=\"Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 \u010do skontrolova\u0165? Pr\u00ed\u010diny a rie\u0161enia\" class=\"read-more\" href=\"https:\/\/pcsluzba.sk\/blog\/pocitac-nema-obraz\/\" aria-label=\"Pre\u010d\u00edtajte si viac o Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 \u010do skontrolova\u0165? Pr\u00ed\u010diny a rie\u0161enia\">\u010c\u00edta\u0165 viac<\/a><\/p>\n","protected":false},"author":1,"featured_media":1912,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93,4],"tags":[250,124],"class_list":["post-1909","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pocitace","category-tipy","tag-diagnostika-pocitaca","tag-hardware"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Po\u010d\u00edta\u010d nem\u00e1 obraz \u2013 \u010do skontrolova\u0165? 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