{"id":38,"date":"2025-10-10T04:55:54","date_gmt":"2025-10-10T04:55:54","guid":{"rendered":"https:\/\/askyourpc.com\/?post_type=docs&#038;p=38"},"modified":"2025-10-10T04:55:55","modified_gmt":"2025-10-10T04:55:55","password":"","slug":"laptop-screen-flickering-or-flashing-how-to-identify-and-fix-the-cause","status":"publish","type":"docs","link":"https:\/\/askyourpc.com\/es\/docs\/laptop-screen-flickering-or-flashing-how-to-identify-and-fix-the-cause\/","title":{"rendered":"La pantalla del port\u00e1til parpadea o destella: C\u00f3mo identificar y solucionar la causa"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Descripci\u00f3n general<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Una pantalla de port\u00e1til parpadeante o intermitente puede resultar distractora y podr\u00eda indicar un problema subyacente de software, controlador o hardware.<br>A menudo ocurre despu\u00e9s de actualizaciones, al conectar pantallas externas o cuando los controladores gr\u00e1ficos se corrompen.<br>Esta gu\u00eda te acompa\u00f1a por un proceso completo para aislar la causa, estabilizar tu pantalla y verificar soluciones a largo plazo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lo que aprender\u00e1s<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00f3mo identificar si el problema es de hardware o software<\/li>\n\n\n\n<li>C\u00f3mo comprobar los controladores gr\u00e1ficos y las tasas de refresco<\/li>\n\n\n\n<li>C\u00f3mo probar con el modo seguro y monitores externos<\/li>\n\n\n\n<li>C\u00f3mo corregir la configuraci\u00f3n de brillo o energ\u00eda que provoca parpadeo<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tiempo estimado:<\/strong> 15\u201330 minutos<br><strong>Nivel de habilidad:<\/strong> Principiante a Intermedio<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00e9rminos y definiciones<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00e9rmino<\/th><th>Significado<\/th><\/tr><\/thead><tbody><tr><td>Tasa de refresco<\/td><td>N\u00famero de veces por segundo que se actualiza la pantalla (medido en hercios)<\/td><\/tr><tr><td>Controlador de pantalla<\/td><td>Software que permite que la GPU se comunique con el hardware de visualizaci\u00f3n<\/td><\/tr><tr><td>Retroiluminaci\u00f3n<\/td><td>La capa de iluminaci\u00f3n detr\u00e1s del panel LCD<\/td><\/tr><tr><td>PWM (Modulaci\u00f3n por ancho de pulso)<\/td><td>T\u00e9cnica utilizada para atenuar las pantallas que puede causar parpadeo a bajo brillo<\/td><\/tr><tr><td>Modo seguro<\/td><td>Estado de inicio que carga solo los controladores esenciales para pruebas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Pasos<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 1: Observar el patr\u00f3n de parpadeo<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Empieza describiendo el comportamiento.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u00bfEl parpadeo ocurre solo al mover la bisagra de la pantalla?\n<ul class=\"wp-block-list\">\n<li>Posible <strong>da\u00f1o en el cable o la bisagra<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u00bfOcurre durante el inicio de sesi\u00f3n o cuando est\u00e1 inactivo?\n<ul class=\"wp-block-list\">\n<li>Posible <strong>conflicto de software o controlador<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u00bfParpadea tambi\u00e9n un monitor externo?\n<ul class=\"wp-block-list\">\n<li>Si s\u00ed, el <strong>GPU o controlador<\/strong> es la causa.<\/li>\n\n\n\n<li>Si no, el <strong>pantalla integrada<\/strong> o el cable es el culpable.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ten en cuenta estas observaciones a medida que avanzas.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 2: Comprobar el brillo y la configuraci\u00f3n de energ\u00eda<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Windows PowerShell<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>powercfg \/getactivescheme\npowercfg \/q | findstr \"VIDEO\"\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Muestra la configuraci\u00f3n de energ\u00eda de la pantalla y los tiempos de espera.<br>Si est\u00e1 habilitado el ajuste autom\u00e1tico del brillo o el brillo adaptativo, desact\u00edvalo en<br><strong>Ajustes \u2192 Sistema \u2192 Pantalla \u2192 Brillo<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Terminal de macOS<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pmset -g\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Enumera la configuraci\u00f3n actual de energ\u00eda.<br>Desactiva el \u201cbrillo autom\u00e1tico\u201d en <strong>Configuraci\u00f3n del sistema \u2192 Pantallas<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El parpadeo que cambia con el brillo suele indicar comportamiento de retroiluminaci\u00f3n PWM, no un problema del controlador.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 3: Actualizar o revertir los controladores de pantalla<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Windows<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Get-WmiObject Win32_PnPSignedDriver | Where-Object {$_.DeviceName -like \"*Display*\"} | Select DeviceName, DriverVersion, Manufacturer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Muestra la versi\u00f3n actual del controlador.<br>Si el problema comenz\u00f3 despu\u00e9s de una actualizaci\u00f3n:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Abrir <strong>Administrador de dispositivos \u2192 Adaptadores de pantalla<\/strong>.<\/li>\n\n\n\n<li>Haz clic derecho en tu GPU y selecciona <strong>Propiedades \u2192 Controlador \u2192 Revertir controlador<\/strong>.<br>Si revertir no ayuda, reinstala el controlador m\u00e1s reciente de tu fabricante (Intel, AMD, NVIDIA).<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>macOS<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>softwareupdate -l\nsoftwareupdate -i -a\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Apple distribuye actualizaciones del firmware y los controladores de la GPU a trav\u00e9s de las actualizaciones del sistema.<br>Instala cualquier actualizaci\u00f3n disponible y luego reinicia.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 4: Ajustar la tasa de refresco y la resoluci\u00f3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Windows<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ir a <strong>Ajustes \u2192 Sistema \u2192 Pantalla \u2192 Configuraci\u00f3n avanzada de pantalla<\/strong>.<\/li>\n\n\n\n<li>Elegir <strong>Propiedades del adaptador de pantalla \u2192 Pesta\u00f1a Monitor<\/strong>.<\/li>\n\n\n\n<li>Establece la tasa de refresco en 60 Hz (o el valor recomendado por el fabricante).<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>macOS<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Abrir <strong>Configuraci\u00f3n del sistema \u2192 Pantallas \u2192 Avanzado<\/strong>.<\/li>\n\n\n\n<li>Configura \u00abTasa de refresco\u00bb en <strong>60 Hz<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Una tasa de refresco no compatible o incorrecta suele causar parpadeo visible o inestabilidad.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 5: Probar en el modo seguro<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Arrancar en Modo seguro ayuda a identificar si los controladores o el software de terceros est\u00e1n causando el parpadeo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Windows<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bcdedit \/set {current} safeboot minimal\nshutdown \/r \/t 0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Despu\u00e9s del reinicio, observa si el parpadeo contin\u00faa.<br>Si desaparece, reinstala o desactiva las utilidades de visualizaci\u00f3n o los controladores a\u00f1adidos recientemente.<br>Para salir del modo seguro:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bcdedit \/deletevalue {current} safeboot\nshutdown \/r \/t 0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>macOS<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Reinicia tu Mac y mant\u00e9n presionada <strong>May\u00fas<\/strong> durante el inicio.<\/li>\n\n\n\n<li>Inicia sesi\u00f3n cuando se te solicite: el Modo seguro carga solo extensiones esenciales.<br>Si la pantalla se estabiliza, revisa el software instalado recientemente o las extensiones del kernel.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 6: Comprobar conflictos con pantallas externas<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Desconecta todos los monitores externos, bases y adaptadores.<\/li>\n\n\n\n<li>Reinicia el ordenador y observa la pantalla integrada.<\/li>\n\n\n\n<li>Reconecta los dispositivos uno por uno para identificar cu\u00e1l desencadena el problema.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Los cables HDMI o DisplayPort defectuosos pueden introducir interferencias el\u00e9ctricas que aparecen como parpadeo.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 7: Inspeccionar cables y bisagras (comprobaci\u00f3n de hardware)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En las computadoras port\u00e1tiles, un cable de pantalla parcialmente roto dentro del conjunto de la bisagra puede causar parpadeo al mover la pantalla.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Abre la pantalla hasta un \u00e1ngulo medio y aj\u00fastala suavemente mientras observas si hay parpadeo.<\/li>\n\n\n\n<li>Si el parpadeo cambia con el movimiento, es probable que el cable de la pantalla est\u00e9 suelto o deshilachado.<\/li>\n\n\n\n<li>Un t\u00e9cnico puede volver a conectar o reemplazar el cable; evita desmontar si est\u00e1 en garant\u00eda.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Paso 8: supervisa la temperatura y la entrega de energ\u00eda<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Windows PowerShell<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Get-WmiObject MSAcpi_ThermalZoneTemperature | Select-Object CurrentTemperature\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Las GPU sobrecalentadas pueden reducir su rendimiento y causar parpadeos intermitentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>macOS<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo powermetrics --samplers smc | grep \"GPU die temperature\"\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Si la temperatura de la GPU supera los 85 \u00b0C bajo carga ligera, limpia las rejillas y aseg\u00farate de que los ventiladores est\u00e9n funcionando.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Verificaci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Despu\u00e9s de cada soluci\u00f3n, verifica:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Comprobar<\/th><th>Comando<\/th><th>Resultado esperado<\/th><\/tr><\/thead><tbody><tr><td>Controlador de pantalla<\/td><td><code>Get-WmiObject Win32_PnPSignedDriver<\/code><\/td><td>Versi\u00f3n m\u00e1s reciente o estable instalada<\/td><\/tr><tr><td>Tasa de refresco<\/td><td>Ajustes de pantalla del sistema<\/td><td>Coincide con los 60 Hz recomendados<\/td><\/tr><tr><td>Prueba en modo seguro<\/td><td>Resultados del arranque<\/td><td>El parpadeo desaparece en el modo seguro<\/td><\/tr><tr><td>Pantalla externa<\/td><td>Inspecci\u00f3n visual<\/td><td>Sin parpadeo cuando se retira el cable<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Si todas las lecturas son normales y la pantalla permanece estable durante varias horas, el problema est\u00e1 resuelto.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusi\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El parpadeo de la pantalla suele deberse a controladores inestables, tasas de refresco incompatibles o cables de pantalla desgastados.<br>Al verificar sistem\u00e1ticamente las causas de software y hardware, puedes identificar si el problema reside en la configuraci\u00f3n del sistema o en los componentes f\u00edsicos.<br>Si el parpadeo persiste incluso despu\u00e9s de actualizar los controladores y realizar pruebas con pantallas externas, es probable que el cable de la pantalla o el hardware de la GPU necesiten una inspecci\u00f3n o reemplazo profesional.<\/p>","protected":false},"excerpt":{"rendered":"<p>Overview A flickering or flashing laptop screen can be distracting and may signal an underlying software, driver, or hardware issue.It often occurs after updates, when connecting external displays, or when graphics drivers become corrupted.This guide walks you through a complete process to isolate the cause, stabilize your display, and verify long-term fixes. What you\u2019ll learn [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[12],"doc_tag":[],"class_list":["post-38","docs","type-docs","status-publish","hentry","doc_category-hardware-fixes"],"blocksy_meta":[],"year_month":"2026-08","word_count":788,"total_views":"56","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"usuario","author_nicename":"user","author_url":"https:\/\/askyourpc.com\/es\/author\/user\/"},"doc_category_info":[{"term_name":"Hardware Fixes","term_url":"https:\/\/askyourpc.com\/es\/docs-category\/hardware-fixes\/"}],"doc_tag_info":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Laptop Screen Flickering or Flashing \u2014 How to Identify and Fix the Cause - Ask Your PC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/98.88.113.235\/es\/docs\/laptop-screen-flickering-or-flashing-how-to-identify-and-fix-the-cause\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Laptop Screen Flickering or Flashing \u2014 How to Identify and Fix the Cause - Ask Your PC\" \/>\n<meta property=\"og:description\" content=\"Overview A flickering or flashing laptop screen can be distracting and may signal an underlying software, driver, or hardware issue.It often occurs after updates, when connecting external displays, or when graphics drivers become corrupted.This guide walks you through a complete process to isolate the cause, stabilize your display, and verify long-term fixes. 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