D845hv bios not updating
To check your BIOS version from the Command Prompt, hit Start, type “cmd” in the search box, and then click the “Command Prompt” result—no need to run it as an administrator.At the prompt, type (or copy and paste) the following command, and then hit Enter: You can also find your BIOS’s version number in the System Information window.Some manufacturers offer a BIOS-flashing option directly in their BIOS, or as a special key-press option when you boot the computer.You copy the BIOS file to a USB drive, reboot your computer, and then enter the BIOS or UEFI screen.You should see a list of available BIOS versions, along with any changes/bug fixes in each and the dates they were released. You’ll probably want to grab the newest BIOS version—unless you have a specific need for an older one.If you purchased a pre-built computer instead of building your own, head to the computer manufacturer’s website, look up the computer model, and look at its downloads page. Your BIOS download probably comes in an archive—usually a ZIP file. Inside, you’ll find some sort of BIOS file—in the screenshot below, it’s the E7887IMS.140 file.
There are several ways to see your BIOS version from within Windows, and they work the same on PCs with a traditional BIOS or a newer UEFI firmware.You probably shouldn’t update your BIOS, but sometimes you need to.Here’s how to check what BIOS version your computer is using and flash that new BIOS version onto your motherboard as quickly and safely as possible. If your computer freezes, crashes, or loses power during the process, the BIOS or UEFI firmware may be corrupted.RELATED: You’ll need to choose one of several different types of BIOS-flashing tools, depending on your motherboard and what it supports.The BIOS update’s included README file should recommend the ideal option for your hardware.
If there’s a problem with the new BIOS version, you may be able to downgrade it by downloading an older version from the manufacturer’s website and repeating the flashing process.