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Computer can't get past BIOS, and doesn't have any boot options.

I don't know what version of ASUS I have, but it is relatively new, a few months ago my computer started booting in BIOS, but I thought nothing of it as I could still boot just fine, just had to press escape to boot, but a few weeks ago my computer wouldn't boot when I pressed escape, there is also no installed storage drive, as well as no boot options in the boot menu, and the boot priority list is blank. I tried to find fixes myself, but didn't find any because I don't know what version my ASUS is, if you could please help me that would be great.

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I have Asus M515D, straight from the shop.

I have no CSM option, disabled both Fast Boot and Secure Boot Control but no CSM. Also under Boot menu there is nothing listed. Can’t do anything. Is there a faulty disk? Disk is nVme.

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@razorboy001

Have you tried booting from a bootable USB flashdrive just to prove that boot manager is working?

If it is straight from the shop is it new or under warranty etc or has it just been repaired? In either case take it back.

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  1. In Boot Menu -> Change FastStart to [Disable]
  2. In Security Menu -> Change Secure Boot to [Disable]
  3. Then 'Save Configuration & Exit', when the BIOS screen appears again
  4. Go to the Boot Menu again -> Change Launch CSM to [Enable]

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Thanks, it saved my time.

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Thank you for this, tried every post until I got this one.

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The CMS to (Enabled) was my problem

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I followed the above steps but when I get back to Bios again after disabling fast boot and Secure Boot, I can’t find “Change Launch CSM to [Enable] “

All I see under boot option screen:

————————

Fast Boot [Disable]

Boot Option Priorities (Nothing listed under here)

* Add New Boot Option

* Delete Boot Option

———————————

Top of the Bios Screen shows: Aptio Setup Utility - Copyright (C) 2019.

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you sir, are a godsend.

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From what you have said and assuming that the hard drive is still in the computer and there have been no attempts to open the computer or remove the drive it could be a hard drive failure. That would then not report to a system post the hard drive as available.

Is the laptop still able to get to the BIOS ? if I have understood you right I would personally use a bootable USB drive and set the BIOS to allow to boot from USB. if that will boot for you then it could well be a simple case of a replacement hard drive

You can download the tools to either make a USB boot drive drive from a USB or download the image of one and use that to create it but either way its very simple and lots of tutorials online you can find using a search engine

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Ok, so if I'm understanding you, I should essentially load windows onto a flash drive and boot from that? And the only possible problem is a bad hard drive? Also, to answer your question, yes it does boot to BIOS.

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Any bootable USB does not need to be windows just a bootable USB for anything if it loads without an issue it would point to a failed internal hard drive so then replace the hard drive and reinstall windows and problem sorted

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Hi @ Gustavo,

Knowing the full model number would be helpful. Is there nothing written in BIOS or on the case to tell what the model is? Also what OS was installed and working before?

It may be that you cannot boot using a USB if the boot options are not showing. It may not look at the USB to boot from if the boot order is missing The HDD may have been the only enabled option for example

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I found that some PCs will not boot off a USB drive. some examples, most windows XP machines, older macs, I'd say use a windows installation disk as in BIOS the order is always defaulted to Cd drive first, HDD second. makes it so non technical users dont have to mess with the BIOS and just pop in the windows CD.

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Hi, Did you find a solution to this problem? I had similar problem and this worked for me. https://doneryt.blogspot.com/2018/12/asu...

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Hi @zmanziad ,

What is the model number of the laptop?

Does the BIOS detect the HDD (SSD?) OK? It should be shown somewhere in the BIOS menus (Main menu tab?) giving model number of HDD etc.

If it is there then it hasn't been mode 'bootable" for whatever reason i.e. no boot files have been loaded onto the HDD or the MBR or GPT is corrupt, then it won't be in the boot options list.

If it isn't being detected at all in BIOS then there is a problem with the HDD or its connection to the motherboard

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Gustavo Dickington 将永远感激不已
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