The BIOS Setup Utility is, for all reasonable purposes, the BIOS itself.
Under “Looking for drivers or software for your machine?If you have a modern laptop, you’ll have to press the Lenovo key to access BIOS menu while your laptop is powered off, which is usually besides the power button on the front. If the issue is with your computer or a laptop/notebook you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files.BIOS contains a number of hardware configuration options that can be changed through the setup utility.Saving these changes and restarting the computer applies the changes to the BIOS and alters the way BIOS instructs the hardware to function. If the Version and Date of BIOS available for download is newer than the one you have currently, then click the download icon next to the BIOS update utility. After extraction, make sure the check is placed for the “Install BIOS Utility now.” option. This works in most cases, where the issue is originated due to a system corruption.
If for some reason you can’t get the above method to work, simply type your laptop’s or desktop’s model under “Search Products”. In the search results below, executable and/or bootable cd (not available for all models) of latest BIOS will be available. Click yes for any all User Account Control warning that appear from now on till you are done with this guide. If the issue is with your computer or a laptop/notebook you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files.
A menu will open, and select boot menu from it Select your USB from the list. This works in most cases, where the issue is originated due to a system corruption.
The conventional way to update Retro Pie and install new features is through the setup script.
Like drivers and softwares, updates for BIOS are also released occasionally, but you should have a very good reason for updating your BIOS, also called flashing your BIOS. A menu will open, and select BIOS setup from it Use the above given method in Method 1 to check if newer version of the BIOS is available. If you have downloaded a simple “BIOS Update Utility for Windows” file, then next to “Create a bootable disk using” select Free DOS. After extraction, uncheck “Install BIOS Utility now.” option. Paste the previously copied file path in the address bar up above.
Unless you are having a specific issue like compatibility while installing new hardware that is resolvable through BIOS update, only then you should update your BIOS. In the window, make sure System Summary is selected in the left pane. If in the results you can see “BIOS Update Bootable CD iso” whose BIOS version is newer than you already have then download it. Copy everything form the opened folder to the USB you just made bootable. Do not turn off your computer or laptop in any case during the updating process.
The web page will automatically redirect to your products page. Select your Operating system you previously noted against “Operating system”. In case of laptop, make sure the battery is present in the laptop and the AC adapter is connected with it the whole time. Below in Download options, click on Get drivers, software & firmware.