How to fix error : Operating System Not Found On Sony Vaio

HowToQTit - "Knowledge forest" - How to fix Software & Hardware
How to fix error "Operating System Not Found" On Sony Vaio
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---Thanks for your watching our video ---
" Please like, share & subcribe if it useful, many thanks"

[@lamsumalgwi5639]

This motion content was quite useful. It helped me to fix the operating system error I see on my computer. Thank you

[@sunnykem646]

When I press assist, it would turn back on and just say, "operating system not found" still.....help....

[@Dogepro545]

Same here

[@infinitydreamer5957]

Same here

[@Johan-lf8ww]

Same here

[@527ascotte]

Same???!

[@lavishjindal255]

Same here

[@2222stunner]

Thank you a thousand times! Its so simple but it worked like a charm. I had updated my BIOS, and this problem came up.

[@JesseJaymarHd]

even when i turn on with assist it says operating system not found

[@miguelroman7879]

Me too :(

[@C0mm4nd0K1ll3r]

miguel roman same

[@niconiisenpaixd7677]

yeah 😭😭

[@Brian-cb3ce]

Ya. How to fix it?

[@haitranthi5314]

JayZinkoo 97 me too

[@Ikuzuno]

wow and here I thought my hard drive was always damaged...Man I needed that video back then in 2014...
Now I replaced the SSD with a HDD Hard Drive and it works perfectly.

[@Tezavnik]

POSSIBLE FIX: I've bought a new disk (ssd) and when I wanted to install OS I always got "OPERATING SYSTEM NOT FOUND". After that, I've googled tons of "press F(sth)+blahblah" tutorials and nothing worked for me. What DID WORK in the end was - making an USB bootable drive (using Windows USB DVD Download tool), then booting the machine using the ASSIST button -> BIOS -> then changed the Legacy boot to UEFI, went to the other tab and disabled Secure boot (which was previously grayed out) -> then switched back to Legacy boot. You also need to change the boot priority/sequence, putting the CD or USB in the first place. After installing (@first restart) you'll have to move the disk back into 1st position/order. But that was it for me - works perfectly now. BTW my model num. is SVE1512e1ew. Good luck to all

[@Zee-yo1xh]

Awesome, It worked like a charm. So simple fix, its amazing. Thanks a lot for this tip QTip

[@Aiilas]

Thnks you very much it works 100% in 2019.🙏🙏

[@danlee8972]

HELLO!

[@rofern13]

Wow thanks man. It worked on my Sony VAIO sve15125CXS model 😀

[@omarsierra9531]

I just did it today and works !! Thank you!!

[@cstuart1310]

Worked great when trying to boot onto a windows installation disk, thanks!

[@hemendrasingh9201]

it works really , oh thank you so much, I can resume my study. thanks buddy

[@rayannealmeida9488]

Many thanks, you've saved my life! Thank you very much!

[@saveasunbear]

It isn't working for me as I don't get the boot configuation coming up on my screen. I get these choices: 'Optical Drive' or 'Floppy Disk Drive' or +Hard Disk Drive' or 'Network'. I've tried pressing all and nothing happens. I've got a Sony Vaio PCG-Z1SP with Windows XP Pro. I don't have an Assist button on my keyboard either but I did get Bios by pressing F2 then switiching on. Have you any advice please? Thank you

[@efendyhinipaliaaniharala4526]

I try too star by assist button it's back to operating system not found how I can do that
Do u can help me please ?

[@juandedios5796]

Gracias Hombre, me salvaste! thanks man, you saved me!

[@QTitHow]

Thanks...Please like and subcribe it! Many thanks!

[@ummuzainab6868]

Thank you very much for u'r video

[@franciscocrislynjumarito.5954]

Thank you, you're a life saver.

[@TanaseLiviu]

Thanks ! It worked like a charm !

[@quentonwong408]

DOESENT WORK
it only goes back to the operating system not found

[@stevenjordyan456]

harddrive detected? maybe the problem with your harddrive.

[@asherfranklin6456]

also it happened for me too

[@jrtACUA]

Thanx worked like a charm!!

[@eternal6739]

Hey i hav.. Hard disk none in bios setup

[@auliadevimardhatillah3206]

It's working... Thanks!!! I'm subscribe you

[@QTitHow]

Thanks so much!

[@Vwashy]

@@QTitHow pls help i dont have "Boot Mode"

[@mohamdb8273]

Thank you man you saved my life !

[@kurtnhian6880]

The screen wont turn on when i press the assist button

[@Mukundsuresh]

thanks this worked after a firmware update by vaio

[@QTitHow]

Thanks...Please like and subcribe it! Many thanks!

[@muddassarali5495]

Thanks Buddy........Problem Solved

[@QTitHow]

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[@zhonggguo]

For the people who don’t see the option ‘Boot mode’ show up; just enable the external device boot.

[@pen507]

How

[@isleemkhmerie8051]

How?

[@joseangelpineda1298]

Ohhhh thank you so much for the help!!!!!

[@Joldrum]

Great.! Thank you

[@fabianastudillomunoz6349]

I just made step by step what your video, and even I get the "Operating System Not Found" you recommend I do, I'm desperate please !!!

[@AA-kk5nw]

Thank you so much it helped , but what we just did is that any harm to computer

[@avats901]

Than you so much

[@anhnguyetphan7542]

Thanks for your help!!!

[@QTitHow]

Article Link:
www.qtithow.com/2018/02/how-to-fix-operating-system-not-found-on-sony-vaio.html (English ver)
www.qtithow.com/2018/02/cach-sua-loi-operating-system-not-found-tren-sony-vaio.html (Vietnamese ver)

[@vedantmishra2555]

Guys all those of you whose assist button isn't working try pressing it for longer till you're not diverted to another screen. Same was happening with me

[@mauriwild1620]

It worked fine! Thanks 👍

[@imweird9870]

Thank you so much 😊

[@Johnnyamiable]

I don’t have a boot mode in that menu , kindly help pls

[@Mandziaryndzia]

Where is this button on sony Vaio VGN-NW31JF?
Found my old laptop and want to fix it.

[@christopherneiltafurmorale135]

Buddy I'm Loving u

[@binesunshine1]

My sony vaio does not have a boot mode under boot. Is there anything I can do to fix that?

[@tonyng3898]

For reason I do not know. I have tried your method but my operating system STILL not found.
I have to reset the boot back to the original setting.

[@sachina8598]

Thank you so much.....

[@nhuang5879]

thank you very much

[@hilmanjunaidi4327]

i dont have boot mode..

[@joemuniz5731]

Me to

[@ft-balejejeremya.3953]

Me too

[@cehajjicvisoko4326]

Work for me !! Thanks

[@ThuongNguyen-kn4jm]

I also get this condition (Operating System Not Found) when i recover the windows on rescure mode, so can you help me fix this error, please?

[@kronikal4348]

how to fix whenever i hold assist it still operating system blah blah blah

[@hieloazull8026]

Thanks bro u save me ♥️

[@TheOopiooo]

Salvaste la vida de mi laptop men😁👍🏻👍🏻👍🏻👍🏻❤

[@sultanaesaqzai8854]

didn't work I found something like pxe_ m0f exiting PXE RoM operating system not found

[@chrisorji1]

Same

[@wilsonkc5477]

My laptop didn't showed boot mode.
What to do now?
😰😢😓😥

[@isleemkhmerie8051]

Sameee

[@dedaddeh]

I’ve did all the tricks, even the hard drive is intact, is it just my computer? It can go through the vaio assist but it loads slow and turns back to “operating system not found” HELP Y IS IT LIKE THAT

[@reyesangelo9318]

Thanks a lot menn

[@vidhipunjabi3637]

Boot mode ka option hi nhi dokha rha hai.

[@davidcm8363]

Tengo Sony vaio windows 2007 pero no me aparece la opción boot mode para cambiar a legacy. Porque no me sale esa opción?

[@nathanielgalman8896]

Thank you!!!

[@saniyacontractor9293]

It works...thanks 👍

[@jfretel]

thx my friend u r awesome!

[@ari_djkzpr]

good bro. excellent.

[@dyemeson846]

Tanks dude.

[@TheVanilaKilla]

My CPU went back to windows 7 lol

[@itzshadsta]

I don’t have UEFI As a boot option it’s not there help!!!

[@marviles8688]

Same

[@dannyp800]

thanks a lot

[@adrianonunes1541]

Perfect! Tank's!

[@QTitHow]

Thanks You!

[@raymundoguialdelacruz5779]

i dont have boot mode on coot configuration..i have external.device boot and network boot only

[@sweet.8932]

plz help sir it wont work for me if i go to boot i got other settings in there like UEFI boot - PXE rom - boot option #1 - boot option #2 - hard drive BBS priorities - CD/DVD ROM drive bbs priorities - delete boot option

[@NISCHAYBSB]

thanks a ton!

[@asmatahri1081]

Thanks u saved me

[@venkateshsamala9749]

guys go setting make default it will work

[@sahibarot]

Thanks bro!

[@kiranrajpsagabala4560]

Ty

[@lolgaming4766]

Yar batata nahi h koi agar koi query ho😡😡😡😡😡 agge hi maththa kharab h 😡😡😡 fudu log

[@muharremaktas5828]

Thanks a lot :)

[@SEPK09]

and if you don't have an assist button ?

[@cliffordmorris6091]

The assist button repeated the same error message so I was unable to do anything except see Operating system not found. So no joy.

[@UbiquitouslyOpinionatedMe]

which is the assist button?

[@shayanjafary5606]

very good thanks alottttttttt

[@dishakavaiya]

Tysm it helped me❤️

[@QTitHow]

Thanks...Please like and subcribe it! Many thanks!

[@jhelaizacruz6233]

Thanks sir.. really helpful.. mwuah

[@juanferdz80]

I don’t have option to change to legacy?

[@stevenjordyan456]

it work,thank you

[@lilzona2118]

Dose this work for acer

[@nikosb6522]

Thank it worked

[@hijodelrezizpunk]

thanks!!!

[@sultanmondal7791]

thanks ... it worked

[@dabukenzie9975]

Mine is the same,when I on it the operating system/windows dont

[@arildolima3887]

Thanks!! This worked :o

[@thebigbluecheese1]

Which key is the assist button please

[@dabukenzie9975]

Mine is the same,when I on it the operating system/windows dont appear

[@ahchoooo]

Thank you! Saved my life!

[@mohammedhussein7331]

thanks man it's worked

[@matheusff8636]

Voce e o cara 10000 likes vlw

[@_linda4]

I press "assist", but it not found! "Operating System Not found" help me please, i am VERY sad

[@mrb00ce2]

Did you fixed it

[@victoriakeller3856]

After i did it all, it is on vaio care(rescue mode).

[@hassanawang4693]

Why cannot. Also my laptop no have button boots

[@roxsanesdiaries]

I can’t find assist button

[@lucasleonardi2484]

cara valeu deu certo