Do You Must Replace Your Laptop’s BIOS?


BIOS chip on a computer motherboard
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Updating your pc’s working system and software program is vital. However, we have now beforehand coated why you shouldn’t usually update your hardware drivers, though players will certainly wish to update their graphics drivers. However what about BIOS updates?

BIOS updates is not going to make your pc sooner, they typically gained’t add new options you want, and so they might even trigger further issues. It is best to solely replace your BIOS if the brand new model comprises an enchancment you want.

What’s a BIOS?

BIOS stands for primary enter/output system. If you energy your pc on, your BIOS takes control, beginning the power-on self take a look at (POST) and passing management over to the boot loader. That is what boots your pc’s working system. The BIOS is low-level system software program that ought to “simply work” with out getting in your method.

Computer systems are actually coming with UEFI firmware instead of the traditional BIOS, however the identical is true for UEFI—it’s low-level system software program with an analogous position.

Not like your working system (which is saved in your exhausting drive), your pc’s BIOS is saved on a chip in your motherboard.

A computer chip on a motherboard
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Flashing a BIOS

Producers usually launch updates to their computer systems’ BIOSes. In the event you built your own computer, a BIOS replace would come out of your motherboard vendor. These updates might be “flashed” onto the BIOS chip, changing the BIOS software program the pc got here with with a brand new model of the BIOS.

BIOSes are computer-specific (or motherboard-specific), so you have to the BIOS in your precise mannequin of pc (or motherboard) to replace your pc’s BIOS.

Why You In all probability Shouldn’t Replace Your BIOS

Bios setup utility screen

BIOS updates aren’t large software program upgrades that add new options, safety patches, or efficiency enhancements. BIOS updates usually have very quick change logs—they could repair a bug with an obscure piece of {hardware} or add assist for a brand new mannequin of CPU.

In case your pc is working correctly, you most likely shouldn’t replace your BIOS. You doubtless gained’t see the distinction between the brand new BIOS model and the previous one. In some circumstances, chances are you’ll even expertise new bugs with a brand new model of the BIOS, because the BIOS that got here together with your pc might have gone by means of extra testing.

Flashing a BIOS isn’t as simple as putting in a traditional software program replace. You’ll usually wish to flash your pc from DOS (sure, DOS—you might have to create a bootable USB drive with DOS on it and restart into that atmosphere), as issues might happen when flashing from Home windows. Every producer has its personal directions for flashing a BIOS.

You have to the model of the BIOS in your precise {hardware}. In the event you get a BIOS for an additional piece of {hardware}—even a barely totally different revision of the identical motherboard—this might trigger issues. BIOS flashing instruments often attempt to detect whether or not the BIOS matches your {hardware}, but when the device makes an attempt to flash the BIOS anyway, your pc might change into unbootable.

In case your pc loses energy whereas flashing the BIOS, your pc might change into “bricked” and unable besides. Computer systems ought to ideally have a backup BIOS saved in read-only reminiscence, however not all computer systems do.

When You Ought to Replace Your BIOS

Given that you just most likely is not going to see any enhancements from updating your BIOS, that new bugs might pop up, and the potential for errors whereas flashing, you shouldn’t replace your BIOS except you have got a motive to. Listed below are a number of circumstances the place updating is sensible:

  • Bugs: In case you are experiencing bugs which can be mounted in a more recent model of the BIOS in your pc (verify the BIOS changelog on the producer’s web site), you could possibly repair them by updating your BIOS. A producer might even advise you to replace your BIOS if you happen to contact tech assist and have an issue that has been mounted with an replace.
  • {Hardware} Assist: Some motherboard producers add assist for brand spanking new CPUs, and doubtlessly different {hardware}, in BIOS updates. If you wish to improve your pc’s CPU to a brand new CPU—presumably one which wasn’t but launched once you bought your motherboard—chances are you’ll must replace the BIOS.

Be sure you verify the changelog for the BIOS updates and see if they really have an replace you require.

An example of a bios changelog

In case you are not experiencing any bugs which were mounted and don’t want {hardware} assist, don’t trouble updating. You gained’t get something out of it besides potential new issues.

Because the saying goes, don’t repair what ain’t broke.





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