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other:bios [2021/04/16 10:02]
jypeter [BIOS, diagnostics and other start-up notes] Added the Crashed computer section
other:bios [2022/06/30 07:27] (current)
jypeter [Entering the BIOS]
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 ====== BIOS, diagnostics and other start-up notes ====== ====== BIOS, diagnostics and other start-up notes ======
  
-<note important>​ 
-You can also run the **built-in diagnostics** in case of a [[other:​win10crash#​hardware_crash|hardware crash]]</​note>​ 
  
 ===== Crashed computer ===== ===== Crashed computer =====
  
-You can try the standard ​[[https://​www.reddit.com/​r/​techsupport/​comments/​12nyre/​30_second_power_button_trick/​|hard reset trick]]+Check the [[other:win10crash|Recovering from a Major Hardware or Windows 10 Crash]] section 
 +===== BIOS =====
  
-More details in:+==== Determining the BIOS version ====
  
-  * **Dell**: +The BIOS version is usually displayed quickly when a computer is booting, and when [[other:bios#​entering_the_bios|you are in the BIOS options screen]] 
-    * [[https://​www.dell.com/​support/​contents/​fr-fr/​videos/​videoplayer/​how-to-recover-from-booting-issues-using-the-bios-recovery-tool/​6079779755001|How to recover from booting issues using the BIOS Recovery Tool]] video + 
-    ​* ​[[https://www.dell.com/​support/​kbdoc/en-us/000129583/no-post-no-power-no-video-on-a-dell-desktop-computer|No POST, No Power, No Video on a Dell Desktop Computer]] +You can also get the BIOS version when your operating system is running! 
-    * [[https://​www.dell.com/support/kbdoc/en-us/000141584/how-to-troubleshoot-a-no-post-issue-on-a-dell-notebook-pc|How to Troubleshoot a No POST Issue on a Dell Notebook PC]] + 
-  * **HP**: +=== From Windows === 
-    * [[https://support.hp.com/​us-en/​document/​c04718479|HP PCs - Computer Does Not Start (Windows 10, 8)]] + 
-  * **Intel**: +Use the [[https://support.microsoft.com/en-us/topic/description-of-microsoft-system-information-msinfo32-exe-tool-10d335d8-5834-90b4-8452-42c58e61f9fc|msinfo32]] command (i.etype ''​msinfo32''​ in the search field at the bottom left of the screen, and then launch the System Information app) and check the //BIOS version// line in the //system summary// screen. You will also get lots of other useful information about your computer (e.gcomputer name
-    ​* ​[[https://www.intel.com/content/www/us/en/​gaming/​resources/​why-wont-my-computer-turn-on.html|Troubleshooting ​Why Won't My Computer Turn On?]+ 
-===== BIOS =====+=== From Linux === 
 + 
 +Use the [[http://manpages.ubuntu.com/manpages/xenial/man8/dmidecode.8.html|dmidecode]] command: ''​dmidecode ​-s bios-version'
 + 
 +<​code>​$ sudo dmidecode -s bios-version 
 +[sudoPassword for your_login: 
 +1.10.0</​code>​
  
 ==== Entering the BIOS ==== ==== Entering the BIOS ====
  
-Power off the machine, then power it on again **and** press repeatedly the appropriate key several times while the computer is starting+Power off the machine, then power it on again **and** press repeatedly the appropriate key several times while the computer is starting, until you see the BIOS options screen. This should take place **before** you have to type the Windows //​bitlocker//​ password, or the Linux (de)crypting password
  
 |  Dell  |  ''​F2 '' ​ | |  Dell  |  ''​F2 '' ​ |
-|  HP  |  ''​ESC '' ​ |+|  HP  |  ''​ESC'' ​ or ''​F10'' ​ |
  
-==== Enabling boot on a USB drive ====+==== Enabling boot on a USB drive in the BIOS ====
  
-=== Dell ===+=== Dell BIOS ===
  
-Settings => General => Boot Sequence: //USB Storage Device// must be selected, and in the first place of the Boot Order+''​Settings'' ​=> ''​General'' ​=> ''​Boot Sequence''​: //USB Storage Device// must be selected, and in the first place of the Boot Order
  
 ==== Updating the BIOS ==== ==== Updating the BIOS ====
 +
 +<WRAP center round important 60%>
 +Updating the BIOS is safe, but it may be a good idea to get help from somebody who has already done it. Your computer may restart several times, blink, etc, before the update is complete.
 +
 +Be sure to be connected to a power supply during the update
 +
 +If your Windows computer is protected by **bitlocker** at boot time, you have to [[https://​www.dell.com/​support/​kbdoc/​en-us/​000125409/​how-to-enable-or-disable-bitlocker-with-tpm-in-windows#​TOC05|suspend bitlocker]] (//​suspend//,​ and **not** //​disable//​),​ **before rebooting**. [[https://​docs.microsoft.com/​en-us/​troubleshoot/​windows-client/​windows-security/​suspend-bitlocker-protection-non-microsoft-updates|more info]]
 +
 +The BIOS update will take place during the boot time, then Windows will start and bitlocker will automatically start again </​WRAP>​
  
   * **Dell**: ​   * **Dell**: ​
-    * Healthy Windows computer: check the [[https://​www.dell.com/​support/​home/​en-us|support ​page]] +    * Healthy Windows computer: 
-    * Crashed Windows, or healthy (or crashed) Linux computer: use a USB key to update the BIOS, following the steps in the [[https://​www.dell.com/​support/​contents/​fr-fr/​videos/​videoplayer/​how-to-recover-from-booting-issues-using-the-bios-recovery-tool/​6079779755001|How to recover from booting issues using the BIOS Recovery Tool]] video +      * Start the [[https://​www.dell.com/​support/​kbdoc/​en-us/​000177325/​dell-command-update|Dell Command Update]] program ,look for available updates (BIOS updates and others), and download them\\ ''​Start''​ => ''​Dell Command Update''​ 
-  * **HP**: ​+      * check the [[https://​www.dell.com/​support/​home/​en-us|Dell Support ​page]], enter your Dell computer Serial Number (if it is not automatically detected), and check the BIOS related information 
 +    * Crashed Windows, or healthy (or crashed) Linux computer: use a USB stick to update the BIOS, following the steps in the [[https://​www.dell.com/​support/​contents/​fr-fr/​videos/​videoplayer/​how-to-recover-from-booting-issues-using-the-bios-recovery-tool/​6079779755001|How to recover from booting issues using the BIOS Recovery Tool]] video 
 +  * **HP**: ​\\ <WRAP center round important 60%> 
 +If the BIOS update does not seem to work (no update takes place), check this [[https://​wiki.lsce.ipsl.fr/​pmip3/​doku.php/​other:​win7towin10#​bios_update|HP BIOS update]] section 
 +</​WRAP>​
     * [[https://​support.hp.com/​us-en/​document/​c00007682|HP Consumer Desktop PCs - Updating the BIOS (Basic Input Output System)]]     * [[https://​support.hp.com/​us-en/​document/​c00007682|HP Consumer Desktop PCs - Updating the BIOS (Basic Input Output System)]]
     * [[https://​support.hp.com/​us-en/​document/​c00042629|HP Consumer Notebook PCs - Updating the BIOS (Basic Input Output System)]]     * [[https://​support.hp.com/​us-en/​document/​c00042629|HP Consumer Notebook PCs - Updating the BIOS (Basic Input Output System)]]
other/bios.1618567371.txt.gz · Last modified: 2021/04/16 10:02 by jypeter