--- title: Check your BIOS defaults before blaming Windows for bad... description: BIOS/UEFI settings are often overlooked as a source of poor PC performance. Key settings like XMP/EXPO for RAM speed, custom fan curves to prevent thermal... canonical: https://daily.dev/posts/check-your-bios-defaults-before-blaming-windows-for-bad-pc-performance-kwabbmwpy twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Check your BIOS defaults before blaming Windows for bad PC performance | daily.dev og:description: BIOS/UEFI settings are often overlooked as a source of poor PC performance. Key settings like XMP/EXPO for RAM speed, custom fan curves to prevent thermal... og:url: https://daily.dev/posts/check-your-bios-defaults-before-blaming-windows-for-bad-pc-performance-kwabbmwpy og:image: https://api.daily.dev/og/posts/KwaBbMWpy.png og:image:alt: Check your BIOS defaults before blaming Windows for bad PC performance og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Check your BIOS defaults before blaming Windows for bad PC performance **[XDA Developers](https://daily.dev/sources/xda-developers)** · 3 min read · 0 upvotes · 0 comments ## Summary BIOS/UEFI settings are often overlooked as a source of poor PC performance. Key settings like XMP/EXPO for RAM speed, custom fan curves to prevent thermal throttling, Resizable BAR for GPU performance, and AMD's Precision Boost Overdrive (PBO) or Intel Turbo Boost are disabled by default and must be manually enabled. These defaults prioritize stability over performance, and some can revert after hardware changes, so even experienced users should verify them before blaming Windows. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [5 BIOS settings gamers forget to change](https://daily.dev/posts/5-bios-settings-gamers-forget-to-change-sswvjgvgx) · XDA Developers · 0 upvotes · 0 comments - [BIOS settings that quietly make your PC worse, and what you should do instead](https://daily.dev/posts/bios-settings-that-quietly-make-your-pc-worse-and-what-you-should-do-instead-t0jkiao5g) · XDA Developers · 0 upvotes · 1 comments - [The first thing I check in every new PC's BIOS is a setting most people leave switched off by accident](https://daily.dev/posts/the-first-thing-i-check-in-every-new-pc-s-bios-is-a-setting-most-people-leave-switched-off-by-accide-b0kkgtcsr) · XDA Developers · 0 upvotes · 0 comments - [My motherboard’s default BIOS settings were secretly killing my gaming experience](https://daily.dev/posts/my-motherboard-s-default-bios-settings-were-secretly-killing-my-gaming-experience-0akcpzngt) · XDA Developers · 20 upvotes · 0 comments - [I change these 4 BIOS settings on every PC I build, and they make a real difference](https://daily.dev/posts/i-change-these-4-bios-settings-on-every-pc-i-build-and-they-make-a-real-difference-yzu27j3w3) · XDA Developers · 0 upvotes · 0 comments --- Tags: [#windows](https://daily.dev/tags/windows) [View this post on daily.dev](https://daily.dev/posts/check-your-bios-defaults-before-blaming-windows-for-bad-pc-performance-kwabbmwpy) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Check your BIOS defaults before blaming Windows for bad PC performance","url":"https://daily.dev/posts/check-your-bios-defaults-before-blaming-windows-for-bad-pc-performance-kwabbmwpy","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/check-your-bios-defaults-before-blaming-windows-for-bad-pc-performance-kwabbmwpy"},"datePublished":"2026-07-15T21:34:07.612Z","dateModified":"2026-07-15T21:34:30.573Z","description":"BIOS/UEFI settings are often overlooked as a source of poor PC performance. Key settings like XMP/EXPO for RAM speed, custom fan curves to prevent thermal...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/9f8b59173a3e33ced60faa286c71a5e5?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/9f8b59173a3e33ced60faa286c71a5e5?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"XDA Developers","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"XDA Developers","logo":"https://media.daily.dev/image/upload/s--kCg6yyAP--/f_auto,q_auto/v1774964407/logos/xda-developers?_a=BAMAMiWQ0","url":"https://daily.dev/sources/xda-developers"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/check-your-bios-defaults-before-blaming-windows-for-bad-pc-performance-kwabbmwpy","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"windows","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"XDA Developers","item":"https://daily.dev/sources/xda-developers"},{"@type":"ListItem","position":3,"name":"Check your BIOS defaults before blaming Windows for bad PC performance"}]} ```