The Intel Meltdown bug can be fixed with an OS update. The same can't be said for the Spectre bug. For you to completely protect your system, as much as is possible right now, against Spectre you have to update your System BIOS. PC makers have started rolling out a special BIOS Spectre update. A BIOS update isn't like an OS update. It won't install automatically. You need to download and install it yourself. Since BIOS updates once in a while roll out, and this is a very critical update, we will walk you through the entire process.

BIOS updates are actually installed the same way on all Windows versions.

Here Is A List Of BIOS Spectre Updates

The trickiest part is finding and downloading the BIOS Spectre update for your PC. The rest is generally simple. We're linking you to BIOS updates that have been released by well-known PC manufacturers.

Acer – Visit this page and expand the desktop segment to see which Acer systems have been recognized as vulnerable. The BIOS update for Spectre has not arrived yet for Acer laptops. It's expected in March 2018. Once we are in March, visit the Acer Support page, identify your PC/laptop and download the most recent BIOS version.

ASUS – ASUS is currently working on the BIOS updates and they will be available this month. Some as of now are. Check the given page and follow the instructions there to find the BIOS update for your laptop.

Dell – All you have to do is, scroll down to the Client Products area and search for your PC. Click on the BIOS release version number to download the update. For other Dell products, you can visit this page.

HP – Visit this page, look for your laptop/PC, and download the most recent BIOS version that is available. HP has released a BIOS update for a large portion of its affected laptops however not for all. If by chance your system isn't listed, wait until the end of January it should be out.

Lenovo – Visit the page and you can see which systems have a BIOS Spectre update and which are still on the waiting list. Lenovo has given a period appraise for every PC/laptop so observe and ensure you check back later.

Microsoft – The Surface tablets BIOS will update via Windows updates. These tablets are an exception and no other Windows PCs/desktops will update its BIOS via Windows updates.

Panasonic – BIOS updates are underway and the estimated release date is in February 2018. Ensure you check back at that point.

Toshiba – They're currently working on it and the update ought to be available early this year.

Vaio – You will require Google Translate for this page but any model that has a linked file has an updated BIOS that you can download.

LG and Huawei have not yet released any BIOS updates. LG is at this point still quite on the front while Huawei is as still examining the issue.

Install BIOS Spectre Update

The new BIOS update will download as an EXE file. For you to update the BIOS, you only need run the EXE file on your desktop. Ensure you;

Close all applications and leave all UI modification applications, for example, Rainmeter
Be connected to a power source. Try not to depend on your laptop's battery to take you through the update. Ensure your power source won't fail you mid-update.
During The Update

The BIOS update will start on your desktop inside the Windows UI in any case, your system will restart in the blink of an eye and you will see your BIOS screen. Try not to interfere with anything. Allow the update to install. The update won't prompt you to confirm or select anything. Once the update is finished, your system will automatically boot to your desktop.



Are You Safe Now?

Run a small tool called InSpectre. It will let you know if your system is protected against Spectre or not and what measures should be taken to ensure that you are. If the BIOS update has patched the bug, you will get a message like below that says the system is now protected.



Source > https://www.ghcorner.com/threads/how-to-install-the-bios-spectre-update-for-your-pc.178/