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Last updated on 2024年4月7日

What tools can assist you in fixing a black screen after a BIOS update?

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Experiencing a black screen after a BIOS (Basic Input/Output System) update can be a daunting issue to resolve. The BIOS is integral to the startup process of a computer, as it provides the necessary instructions for the system to communicate with its hardware components. Unfortunately, a failed or incorrect BIOS update can lead to a non-responsive system, often represented by a black screen. This article will guide you through various tools and methods that can assist in recovering your system to a functional state.

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Augusto Silveira

Gerente de TI | Gerente de Infraestrutura | Observabilidade | Monitora??o | DevOps | ITIL | Service Now | SOC | NOC |…

1 Recovery Drive

A recovery drive can be a lifesaver when dealing with a black screen after a BIOS update. This tool allows you to boot your computer using a separate drive with its own bootable version of your operating system. To create one, you'll need a USB drive with sufficient space and access to a working computer. Once created, insert the recovery drive into the affected computer, enter the boot menu during startup, and select the drive as the boot device. This can help bypass the black screen and provide options for troubleshooting and repairing your system.

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Olivier Milot

Greffier de la municipalité régionale de comté d'Arthabaska
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Avec respect pour l’opinion contraire, je ne crois pas qu’un disque de démarrage séparé vous sera d’une grande utilité si le BIOS est compromis. En effet le BIOS est plus proche de la couche matérielle que le disque de démarrage donc le problème de BIOS est prioritaire. En fait en environnement de travail professionnel on devrait toujours s’assurer d’avoir une station de travail de rechange avant de mettre à jour le BIOS de sa station principale. Il est également fortement recommandé de stocker vos données sur un stockage externe comme un stockage réseau (NAS) ou minimalement de stocker vos données sur un disque distinct de celui du système d’exploitation qui est facilement accessible et débranchable.

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2 CMOS Reset

The CMOS (Complementary Metal-Oxide-Semiconductor) chip stores the BIOS settings and sometimes resetting it can fix post-update issues. To perform a CMOS reset, you will need to open your computer's case and locate the CMOS battery on the motherboard. Remove the battery for a few minutes, then reinsert it; this will reset the BIOS to its default settings. Alternatively, if your motherboard has a reset jumper or button, you can use that instead. Remember to turn off and unplug your computer before attempting this.

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Augusto Silveira

Gerente de TI | Gerente de Infraestrutura | Observabilidade | Monitora??o | DevOps | ITIL | Service Now | SOC | NOC | Opera??es
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Algumas ferramentas que podem ajudar a corrigir uma tela de erro após uma atualiza??o da BIOS incluem a cria??o de uma unidade USB de inicializa??o com uma vers?o anterior da BIOS, o uso do modo de recupera??o da BIOS, e a remo??o e reinstala??o da bateria CMOS para redefinir as configura??es da BIOS.

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Olivier Milot

Greffier de la municipalité régionale de comté d'Arthabaska
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Petite suggestion pour s’assurer que la man?uvre se passe bien : j’aime bien après avoir interrompu l’alimentation appuyer sur l’interrupteur principal de l’ordinateur. En effet il y a souvent de la puissance résiduelle dans les condensateurs et une charge résiduelle peut encore s’y trouver. Généralement l’ordinateur amorcera un démarrage pendant une fraction de seconde puis s’éteindra. On sera ainsi assuré qu’il est définitivement hors tension.

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3 BIOS Flashback

BIOS flashback is a feature found on some motherboards that allows you to update or recover the BIOS without needing a display, CPU, or memory installed. To use this feature, you'll need to download the correct BIOS file from the motherboard manufacturer's website onto a USB drive. Then, insert the drive into the designated USB port and press the BIOS flashback button on your motherboard. This process will overwrite your current BIOS with the new version, potentially resolving the black screen issue.

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Olivier Milot

Greffier de la municipalité régionale de comté d'Arthabaska
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Notez aussi que pratiquement tous les BIOS permette de charger les paramètres par défaut. ?a permet de reprendre à zéro le paramétrage lorsque que l’on arrive pas à identifier le problème.

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4 Safe Mode

Booting into Safe Mode is another strategy to tackle a black screen. Safe Mode starts Windows with a minimal set of drivers and services, which can help if the issue is software-related. To access Safe Mode, repeatedly press the F8 key (or Shift + F8 in some systems) while your computer is starting up. Once in Safe Mode, you can uninstall recent updates or drivers that might be causing the problem or perform a system restore to revert your computer to an earlier state.

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5 Integrated Graphics

If your computer uses a dedicated graphics card, switching to integrated graphics could help circumvent the black screen. To do this, shut down your computer and remove the dedicated graphics card. Then, connect your monitor to the motherboard's display output. Upon restarting, your computer will default to the integrated graphics chip. If this resolves the issue, it might indicate a problem with the graphics card or its compatibility with the BIOS version.

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6 External Monitor

Finally, connecting an external monitor can help determine if the black screen is due to an issue with your primary display. Use a VGA, HDMI, or DisplayPort cable to connect your computer to an external monitor. If the external monitor works, the problem might lie with your original monitor or its connection. If there's still no display, the issue is likely related to the BIOS update or another internal component.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What tools can assist you in fixing a black screen after a BIOS update?

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1 Recovery Drive

2 CMOS Reset

3 BIOS Flashback

4 Safe Mode

5 Integrated Graphics

6 External Monitor

7 Here’s what else to consider

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