{"id":41612,"date":"2026-04-28T09:58:05","date_gmt":"2026-04-28T06:58:05","guid":{"rendered":"https:\/\/diagnozabam.ro\/sfaturi\/?p=41612"},"modified":"2026-04-28T10:55:52","modified_gmt":"2026-04-28T07:55:52","slug":"pc-turns-on-then-off-causes-and-fix","status":"publish","type":"post","link":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-turns-on-then-off-causes-and-fix\/","title":{"rendered":"PC Turns On Then Off: Causes and Fix"},"content":{"rendered":"<h2 data-section-id=\"1ep1xcg\" data-start=\"118\" data-end=\"158\">What Does \u201cPC Turns On Then Off\u201d Mean<\/h2>\n<p data-start=\"160\" data-end=\"323\">The issue where a <strong data-start=\"178\" data-end=\"214\">PC turns on then off immediately<\/strong> is a critical hardware problem where the system starts for a split second and then shuts down automatically.<\/p>\n<p data-start=\"325\" data-end=\"340\">You may notice:<\/p>\n<ul data-start=\"341\" data-end=\"447\">\n<li data-section-id=\"1tyebsp\" data-start=\"341\" data-end=\"362\">fans spin briefly<\/li>\n<li data-section-id=\"1rtw9ca\" data-start=\"363\" data-end=\"379\">LEDs turn on<\/li>\n<li data-section-id=\"140xuvs\" data-start=\"380\" data-end=\"411\">system shuts down instantly<\/li>\n<li data-section-id=\"1dj703v\" data-start=\"412\" data-end=\"447\">sometimes enters a restart loop<\/li>\n<\/ul>\n<p data-start=\"449\" data-end=\"533\">This usually indicates a <strong data-start=\"474\" data-end=\"532\">serious failure during early POST (Power-On Self-Test)<\/strong>.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"Y5QpPC8TFc\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/bios-reset-not-working-fix-guide\/\">BIOS Reset Not Working: Fix Guide<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;BIOS Reset Not Working: Fix Guide&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/bios-reset-not-working-fix-guide\/embed\/#?secret=kbtm22keXm#?secret=Y5QpPC8TFc\" data-secret=\"Y5QpPC8TFc\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr data-start=\"535\" data-end=\"538\" \/>\n<h2 data-section-id=\"hszi7q\" data-start=\"540\" data-end=\"576\">Why the PC Shuts Down Immediately<\/h2>\n<p data-start=\"578\" data-end=\"707\">Modern systems include protection mechanisms. If a critical issue is detected, the motherboard forces shutdown to prevent damage.<\/p>\n<p data-start=\"709\" data-end=\"725\">Common triggers:<\/p>\n<ul data-start=\"726\" data-end=\"841\">\n<li data-section-id=\"1lr9st9\" data-start=\"726\" data-end=\"746\">CPU not detected<\/li>\n<li data-section-id=\"fuxmuh\" data-start=\"747\" data-end=\"764\">short circuit<\/li>\n<li data-section-id=\"1luag0t\" data-start=\"765\" data-end=\"792\">unstable power delivery<\/li>\n<li data-section-id=\"1fs4got\" data-start=\"793\" data-end=\"819\">overheating protection<\/li>\n<li data-section-id=\"jdatpt\" data-start=\"820\" data-end=\"841\">motherboard fault<\/li>\n<\/ul>\n<p data-start=\"843\" data-end=\"905\">This happens before the system can display anything on screen.<\/p>\n<hr data-start=\"907\" data-end=\"910\" \/>\n<h2 data-section-id=\"1tmdd1g\" data-start=\"912\" data-end=\"954\">Common Causes of PC Turning On Then Off<\/h2>\n<h3 data-section-id=\"m9c4vd\" data-start=\"956\" data-end=\"986\">1. CPU Installation Issues<\/h3>\n<p data-start=\"988\" data-end=\"1018\">One of the most common causes.<\/p>\n<p data-start=\"1020\" data-end=\"1037\">Problems include:<\/p>\n<ul data-start=\"1038\" data-end=\"1145\">\n<li data-section-id=\"1agenxi\" data-start=\"1038\" data-end=\"1065\">CPU not seated properly<\/li>\n<li data-section-id=\"1tvck5m\" data-start=\"1066\" data-end=\"1093\">cooler mounted unevenly<\/li>\n<li data-section-id=\"hzak8e\" data-start=\"1094\" data-end=\"1131\">missing or too much thermal paste<\/li>\n<li data-section-id=\"gjhltd\" data-start=\"1132\" data-end=\"1145\">bent pins<\/li>\n<\/ul>\n<p data-start=\"1147\" data-end=\"1211\">If the CPU cannot initialize, the system shuts down immediately.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"JJCRvrMg0R\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-freezes-randomly-causes-and-fix\/\">PC Freezes Randomly: Causes and Fix<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;PC Freezes Randomly: Causes and Fix&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-freezes-randomly-causes-and-fix\/embed\/#?secret=E8kAd9nyE3#?secret=JJCRvrMg0R\" data-secret=\"JJCRvrMg0R\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr data-start=\"1213\" data-end=\"1216\" \/>\n<h3 data-section-id=\"bf1ach\" data-start=\"1218\" data-end=\"1251\">2. Power Supply (PSU) Failure<\/h3>\n<p data-start=\"1253\" data-end=\"1270\">A faulty PSU may:<\/p>\n<ul data-start=\"1271\" data-end=\"1334\">\n<li data-section-id=\"1wqq6s9\" data-start=\"1271\" data-end=\"1299\">deliver unstable voltage<\/li>\n<li data-section-id=\"ndz6yo\" data-start=\"1300\" data-end=\"1334\">shut down under load instantly<\/li>\n<\/ul>\n<p data-start=\"1336\" data-end=\"1401\">Even if fans spin, it does not mean the PSU is working correctly.<\/p>\n<hr data-start=\"1403\" data-end=\"1406\" \/>\n<h3 data-section-id=\"gyfd9d\" data-start=\"1408\" data-end=\"1442\">3. Short Circuit in the System<\/h3>\n<p data-start=\"1444\" data-end=\"1476\">Short circuits can occur due to:<\/p>\n<ul data-start=\"1477\" data-end=\"1587\">\n<li data-section-id=\"3n7g4z\" data-start=\"1477\" data-end=\"1510\">motherboard touching the case<\/li>\n<li data-section-id=\"1xv0s8e\" data-start=\"1511\" data-end=\"1546\">loose screws behind motherboard<\/li>\n<li data-section-id=\"1i3b5tp\" data-start=\"1547\" data-end=\"1565\">damaged cables<\/li>\n<li data-section-id=\"s3rdzb\" data-start=\"1566\" data-end=\"1587\">faulty components<\/li>\n<\/ul>\n<p data-start=\"1589\" data-end=\"1640\">This triggers instant shutdown as a safety measure.<\/p>\n<hr data-start=\"1642\" data-end=\"1645\" \/>\n<h3 data-section-id=\"7xbg1d\" data-start=\"1647\" data-end=\"1664\">4. Faulty RAM<\/h3>\n<p data-start=\"1666\" data-end=\"1721\">Although less common for instant shutdown, bad RAM can:<\/p>\n<ul data-start=\"1722\" data-end=\"1764\">\n<li data-section-id=\"13ehqla\" data-start=\"1722\" data-end=\"1738\">prevent POST<\/li>\n<li data-section-id=\"1d43yq0\" data-start=\"1739\" data-end=\"1764\">trigger restart loops<\/li>\n<\/ul>\n<blockquote class=\"wp-embedded-content\" data-secret=\"7gVC8kxhpu\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/ram-not-detected-causes-and-fix\/\">RAM Not Detected: Causes and Fix<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;RAM Not Detected: Causes and Fix&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/ram-not-detected-causes-and-fix\/embed\/#?secret=lKrXvcvyzT#?secret=7gVC8kxhpu\" data-secret=\"7gVC8kxhpu\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr data-start=\"1766\" data-end=\"1769\" \/>\n<h3 data-section-id=\"13h3hxq\" data-start=\"1771\" data-end=\"1797\">5. Motherboard Failure<\/h3>\n<p data-start=\"1799\" data-end=\"1815\">Possible issues:<\/p>\n<ul data-start=\"1816\" data-end=\"1870\">\n<li data-section-id=\"wljqtq\" data-start=\"1816\" data-end=\"1831\">damaged VRM<\/li>\n<li data-section-id=\"1gdpr8r\" data-start=\"1832\" data-end=\"1850\">faulty chipset<\/li>\n<li data-section-id=\"4bfvnb\" data-start=\"1851\" data-end=\"1870\">broken circuits<\/li>\n<\/ul>\n<p data-start=\"1872\" data-end=\"1942\">This is often the case if all other components are tested and working.<\/p>\n<hr data-start=\"1944\" data-end=\"1947\" \/>\n<h3 data-section-id=\"10ydgct\" data-start=\"1949\" data-end=\"1982\">6. CPU Overheating Protection<\/h3>\n<p data-start=\"1984\" data-end=\"2023\">If the cooler is not mounted correctly:<\/p>\n<ul data-start=\"2024\" data-end=\"2091\">\n<li data-section-id=\"7p5tl1\" data-start=\"2024\" data-end=\"2051\">CPU overheats instantly<\/li>\n<li data-section-id=\"134jnvr\" data-start=\"2052\" data-end=\"2091\">system shuts down to protect itself<\/li>\n<\/ul>\n<hr data-start=\"2093\" data-end=\"2096\" \/>\n<h3 data-section-id=\"970n3i\" data-start=\"2098\" data-end=\"2128\">7. BIOS or Firmware Issues<\/h3>\n<p data-start=\"2130\" data-end=\"2148\">Rare but possible:<\/p>\n<ul data-start=\"2149\" data-end=\"2203\">\n<li data-section-id=\"1qf7olf\" data-start=\"2149\" data-end=\"2167\">corrupted BIOS<\/li>\n<li data-section-id=\"21kcuq\" data-start=\"2168\" data-end=\"2203\">incompatible CPU without update<\/li>\n<\/ul>\n<hr data-start=\"2205\" data-end=\"2208\" \/>\n<h2 data-section-id=\"1twidul\" data-start=\"2210\" data-end=\"2235\">Step-by-Step Diagnosis<\/h2>\n<h3 data-section-id=\"n66an6\" data-start=\"2237\" data-end=\"2276\">Step 1: Check All Power Connections<\/h3>\n<p data-start=\"2278\" data-end=\"2285\">Verify:<\/p>\n<ul data-start=\"2286\" data-end=\"2363\">\n<li data-section-id=\"1vpdkjy\" data-start=\"2286\" data-end=\"2314\">24-pin motherboard cable<\/li>\n<li data-section-id=\"m0kgn2\" data-start=\"2315\" data-end=\"2336\">4\/8-pin CPU cable<\/li>\n<li data-section-id=\"1h6zlo0\" data-start=\"2337\" data-end=\"2363\">GPU power (if present)<\/li>\n<\/ul>\n<p data-start=\"2365\" data-end=\"2410\">Loose CPU power cable is a very common issue.<\/p>\n<hr data-start=\"2412\" data-end=\"2415\" \/>\n<h3 data-section-id=\"vegv8j\" data-start=\"2417\" data-end=\"2455\">Step 2: Inspect for Short Circuits<\/h3>\n<ul data-start=\"2457\" data-end=\"2550\">\n<li data-section-id=\"bvel4t\" data-start=\"2457\" data-end=\"2504\">remove motherboard from case (test outside)<\/li>\n<li data-section-id=\"1e3w8gc\" data-start=\"2505\" data-end=\"2531\">check for loose screws<\/li>\n<li data-section-id=\"1fo4pfo\" data-start=\"2532\" data-end=\"2550\">inspect cables<\/li>\n<\/ul>\n<blockquote class=\"wp-embedded-content\" data-secret=\"6888cmuwfP\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/3-beeps-on-pc-startup-what-it-means\/\">3 Beeps on PC Startup: What It Means<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;3 Beeps on PC Startup: What It Means&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/3-beeps-on-pc-startup-what-it-means\/embed\/#?secret=KydNNDsxtO#?secret=6888cmuwfP\" data-secret=\"6888cmuwfP\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr data-start=\"2552\" data-end=\"2555\" \/>\n<h3 data-section-id=\"1gqg9bj\" data-start=\"2557\" data-end=\"2579\">Step 3: Reseat CPU<\/h3>\n<ul data-start=\"2581\" data-end=\"2663\">\n<li data-section-id=\"17xut5i\" data-start=\"2581\" data-end=\"2598\">remove cooler<\/li>\n<li data-section-id=\"ijpf2v\" data-start=\"2599\" data-end=\"2622\">check CPU alignment<\/li>\n<li data-section-id=\"p5ktzu\" data-start=\"2623\" data-end=\"2639\">inspect pins<\/li>\n<li data-section-id=\"ef4nup\" data-start=\"2640\" data-end=\"2663\">reinstall carefully<\/li>\n<\/ul>\n<hr data-start=\"2665\" data-end=\"2668\" \/>\n<h3 data-section-id=\"1qnom9r\" data-start=\"2670\" data-end=\"2708\">Step 4: Test Minimal Configuration<\/h3>\n<p data-start=\"2710\" data-end=\"2719\">Run only:<\/p>\n<ul data-start=\"2720\" data-end=\"2759\">\n<li data-section-id=\"11qxt3v\" data-start=\"2720\" data-end=\"2735\">motherboard<\/li>\n<li data-section-id=\"16wzxda\" data-start=\"2736\" data-end=\"2743\">CPU<\/li>\n<li data-section-id=\"1lgo1pd\" data-start=\"2744\" data-end=\"2759\">1 RAM stick<\/li>\n<\/ul>\n<p data-start=\"2761\" data-end=\"2768\">Remove:<\/p>\n<ul data-start=\"2769\" data-end=\"2832\">\n<li data-section-id=\"96zgk6\" data-start=\"2769\" data-end=\"2796\">GPU (if iGPU available)<\/li>\n<li data-section-id=\"1h6t5sq\" data-start=\"2797\" data-end=\"2816\">storage devices<\/li>\n<li data-section-id=\"jv0vpz\" data-start=\"2817\" data-end=\"2832\">peripherals<\/li>\n<\/ul>\n<hr data-start=\"2834\" data-end=\"2837\" \/>\n<h3 data-section-id=\"3oky4b\" data-start=\"2839\" data-end=\"2859\">Step 5: Test PSU<\/h3>\n<ul data-start=\"2861\" data-end=\"2892\">\n<li data-section-id=\"413a7s\" data-start=\"2861\" data-end=\"2892\">try another PSU if possible<\/li>\n<\/ul>\n<hr data-start=\"2894\" data-end=\"2897\" \/>\n<h3 data-section-id=\"2ghsii\" data-start=\"2899\" data-end=\"2921\">Step 6: Reset BIOS<\/h3>\n<ul data-start=\"2923\" data-end=\"2968\">\n<li data-section-id=\"4fnj69\" data-start=\"2923\" data-end=\"2946\">remove CMOS battery<\/li>\n<li data-section-id=\"66fi49\" data-start=\"2947\" data-end=\"2968\">wait 5\u201310 minutes<\/li>\n<\/ul>\n<blockquote class=\"wp-embedded-content\" data-secret=\"9qWLBMazh5\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/bios-corrupted-recovery-and-fix-guide\/\">BIOS Corrupted: Recovery and Fix Guide<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;BIOS Corrupted: Recovery and Fix Guide&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/bios-corrupted-recovery-and-fix-guide\/embed\/#?secret=EEuCkMiaI5#?secret=9qWLBMazh5\" data-secret=\"9qWLBMazh5\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr data-start=\"2970\" data-end=\"2973\" \/>\n<h2 data-section-id=\"13j0u23\" data-start=\"2975\" data-end=\"3000\">How to Fix the Problem<\/h2>\n<p data-start=\"3002\" data-end=\"3025\">Depending on the cause:<\/p>\n<ul data-start=\"3027\" data-end=\"3139\">\n<li data-section-id=\"bgyiz5\" data-start=\"3027\" data-end=\"3051\">reseat CPU correctly<\/li>\n<li data-section-id=\"1sqnc0i\" data-start=\"3052\" data-end=\"3067\">replace PSU<\/li>\n<li data-section-id=\"pyctw2\" data-start=\"3068\" data-end=\"3099\">remove short circuit source<\/li>\n<li data-section-id=\"1spp5ui\" data-start=\"3100\" data-end=\"3115\">replace RAM<\/li>\n<li data-section-id=\"688q53\" data-start=\"3116\" data-end=\"3139\">replace motherboard<\/li>\n<\/ul>\n<p data-start=\"3141\" data-end=\"3159\">Most common fixes:<\/p>\n<ul data-start=\"3160\" data-end=\"3245\">\n<li data-section-id=\"1j11oat\" data-start=\"3160\" data-end=\"3187\">fixing CPU installation<\/li>\n<li data-section-id=\"v0sppt\" data-start=\"3188\" data-end=\"3220\">reconnecting CPU power cable<\/li>\n<li data-section-id=\"1yeolk4\" data-start=\"3221\" data-end=\"3245\">replacing faulty PSU<\/li>\n<\/ul>\n<hr data-start=\"3247\" data-end=\"3250\" \/>\n<h2 data-section-id=\"1sk0yrk\" data-start=\"3252\" data-end=\"3287\">Signs of Severe Hardware Failure<\/h2>\n<ul data-start=\"3289\" data-end=\"3409\">\n<li data-section-id=\"ghzfzk\" data-start=\"3289\" data-end=\"3331\">system shuts down instantly every time<\/li>\n<li data-section-id=\"tbix8v\" data-start=\"3332\" data-end=\"3365\">no change after minimal setup<\/li>\n<li data-section-id=\"182szp\" data-start=\"3366\" data-end=\"3383\">no beep codes<\/li>\n<li data-section-id=\"15jxyrj\" data-start=\"3384\" data-end=\"3409\">tested PSU works fine<\/li>\n<\/ul>\n<p data-start=\"3411\" data-end=\"3425\">Likely causes:<\/p>\n<ul data-start=\"3426\" data-end=\"3464\">\n<li data-section-id=\"18zww1n\" data-start=\"3426\" data-end=\"3449\">motherboard failure<\/li>\n<li data-section-id=\"11ndinv\" data-start=\"3450\" data-end=\"3464\">CPU defect<\/li>\n<\/ul>\n<hr data-start=\"3466\" data-end=\"3469\" \/>\n<h2 data-section-id=\"mru0sq\" data-start=\"3471\" data-end=\"3488\">What NOT to Do<\/h2>\n<p data-start=\"3490\" data-end=\"3496\">Avoid:<\/p>\n<ul data-start=\"3497\" data-end=\"3595\">\n<li data-section-id=\"v7dnjg\" data-start=\"3497\" data-end=\"3519\">forcing components<\/li>\n<li data-section-id=\"przxo3\" data-start=\"3520\" data-end=\"3545\">overtightening cooler<\/li>\n<li data-section-id=\"6dal2l\" data-start=\"3546\" data-end=\"3572\">using incorrect cables<\/li>\n<li data-section-id=\"pcdwkw\" data-start=\"3573\" data-end=\"3595\">ignoring grounding<\/li>\n<\/ul>\n<hr data-start=\"3597\" data-end=\"3600\" \/>\n<h2 data-section-id=\"8dtpi\" data-start=\"3602\" data-end=\"3615\">Conclusion<\/h2>\n<p data-start=\"3617\" data-end=\"3727\">The <strong data-start=\"3621\" data-end=\"3657\">PC turns on then off immediately<\/strong> issue is usually caused by CPU, PSU, or motherboard-related problems.<\/p>\n<p data-start=\"3729\" data-end=\"3785\">Although it appears serious, many cases are resolved by:<\/p>\n<ul data-start=\"3786\" data-end=\"3860\">\n<li data-section-id=\"130q37p\" data-start=\"3786\" data-end=\"3814\">fixing power connections<\/li>\n<li data-section-id=\"3xn7qy\" data-start=\"3815\" data-end=\"3832\">reseating CPU<\/li>\n<li data-section-id=\"t20jrt\" data-start=\"3833\" data-end=\"3860\">removing short circuits<\/li>\n<\/ul>\n<blockquote class=\"wp-embedded-content\" data-secret=\"JmIahg5x0U\"><p><a href=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-restarts-under-load-causes-and-fix-guide\/\">PC Restarts Under Load: Causes and Fix Guide<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;PC Restarts Under Load: Causes and Fix Guide&#8221; &#8211; Diagnoza BAM\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-restarts-under-load-causes-and-fix-guide\/embed\/#?secret=KyHYrjFzEA#?secret=JmIahg5x0U\" data-secret=\"JmIahg5x0U\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does \u201cPC Turns On Then Off\u201d Mean The issue where a PC turns on then off immediately is a critical hardware problem where the system starts for a split second and then shuts down automatically. You may notice: fans spin briefly LEDs turn on system shuts down instantly sometimes enters a restart loop This [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":41572,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[36515],"tags":[36299,47571,36339,47575,47573,47304,47567,46487,47565,47569],"class_list":["post-41612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-it","tag-bam","tag-cpu-installation-error","tag-diagnoza","tag-hardware-failure","tag-motherboard-short-circuit","tag-no-post-pc","tag-pc-shuts-down-instantly","tag-pc-troubleshooting","tag-pc-turns-on-then-off","tag-psu-problem-pc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PC Turns On Then Off: Causes and Fix - Diagnoza BAM<\/title>\n<meta name=\"description\" content=\"PC turns on then off instantly? 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Unlike restarts or crashes, a sudden shutdown means: system loses power instantly no warning or error message work or data may be lost This issue can happen: during gaming under load\u2026","rel":"","context":"\u00cen \u201eIT-EN\u201d","block_context":{"text":"IT-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/it\/"},"img":{"alt_text":"Setare de computere cu semn de avertizare","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/setare-de-computere-cu-semn-de-avertizare.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/setare-de-computere-cu-semn-de-avertizare.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/setare-de-computere-cu-semn-de-avertizare.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/setare-de-computere-cu-semn-de-avertizare.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/setare-de-computere-cu-semn-de-avertizare.webp?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/setare-de-computere-cu-semn-de-avertizare.webp?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":41576,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-turns-on-but-no-display-fix\/","url_meta":{"origin":41612,"position":3},"title":"PC Turns On But No Display Fix","author":"Bejenaru Alexandru Ionut","date":"25 aprilie 2026","format":false,"excerpt":"What Does \u201cPC Turns On But No Display\u201d Mean The issue where a PC turns on but no display appears is one of the most common hardware-related problems. 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The system may show: no power no lights no fans or minimal response with no boot This situation can be caused by multiple components, and incorrect diagnosis often leads to unnecessary\u2026","rel":"","context":"\u00cen \u201eIT-EN\u201d","block_context":{"text":"IT-EN","link":"https:\/\/diagnozabam.ro\/sfaturi\/category\/it\/"},"img":{"alt_text":"asus xc","src":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/asus_x550c.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/asus_x550c.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/asus_x550c.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/asus_x550c.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/asus_x550c.webp?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2026\/04\/asus_x550c.webp?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":40476,"url":"https:\/\/diagnozabam.ro\/sfaturi\/blog\/pc-turns-on-but-no-display-complete-fix-guide\/","url_meta":{"origin":41612,"position":5},"title":"PC Turns On But No Display: Complete Fix Guide","author":"Bejenaru Alexandru Ionut","date":"10 aprilie 2026","format":false,"excerpt":"One of the most common PC issues is when the system appears to power on, but nothing is displayed on the monitor. Fans spin, LEDs light up, yet the screen remains black. 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