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Asus R513C - Only BIOS Starts, Disk Works & Date OK: Will BIOS Upgrade Help? Sam's Issue

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Why does an Asus R513C go straight into BIOS at startup even though the drive is detected and the date/time are correct, and would a BIOS update fix it?

A BIOS update might help, but the thread points first to a boot-configuration problem rather than a battery or clock issue. Reset the BIOS to factory defaults, verify that the HDD/SSD is really detected, and make sure the boot mode matches the installed system (UEFI vs Legacy/CSM) [#17190738][#17190692] One user found that only the DVD appeared in boot options until CSM was enabled, while the disk showed up as a GPT partition in Hiren’s [#17190990] If the laptop still shows no boot media or cannot boot from USB/DVD, the later recollection in the thread was that flashing a new BIOS solved it [#17863122]
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  • #1 17190620
    pcnet

    Level 32  
    Posts: 4076
    Help: 11
    Rate: 217
    Sam turns on bios after switching on. The disk is working, date ok and after leaving the bios again the same.
    Will this bios upgrade help?
    Company Account:
    PC-NET
    Słonecznikowa 6B, Częstochowa, 42-224 | Company Website: https://agapo.pl
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  • #2 17190635
    Pedros050
    Level 43  
    Posts: 17906
    Help: 2471
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    Hello. Is the message after the ASUSA logo on startup?
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  • #3 17190640
    pcnet

    Level 32  
    Posts: 4076
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    straight away is the Bios first page with the correct date and time
    Company Account:
    PC-NET
    Słonecznikowa 6B, Częstochowa, 42-224 | Company Website: https://agapo.pl
  • #4 17190651
    Pedros050
    Level 43  
    Posts: 17906
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    Rate: 3901
    Is the boot set to disk the system is on the disk? Unclip the keyboard and start the laptop.
  • #5 17190692
    ul1002

    Level 35  
    Posts: 2618
    Help: 303
    Rate: 137
    Maybe there is no system, maybe wrong UEFI / Legacy mode? The disk works, does it mean how it works? Visible in BIOS? Is the system booting on another computer?
    Company Account:
    Almar Serwis Roland Piszczelok
    Gliwicka, Rybnik, 44-200 | Tel.: 506XXXXXX (Show) | Company Website: www.almar-serwwis.pl
  • #6 17190710
    raftronik
    Level 18  
    Posts: 348
    Help: 27
    Rate: 59
    The keyboard may be damaged, disconnect the keyboard and check if the BIOS will continue to boot.
  • #7 17190738
    Anonymous
    Level 1  
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  • #8 17190813
    pcnet

    Level 32  
    Posts: 4076
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    After enabling CSM I have Insert Boot media and the disk can be heard.
    In the Boot options in Bios I only have a DVD and I can't add a disk
    Company Account:
    PC-NET
    Słonecznikowa 6B, Częstochowa, 42-224 | Company Website: https://agapo.pl
  • #9 17190981
    ul1002

    Level 35  
    Posts: 2618
    Help: 303
    Rate: 137
    pcnet wrote:
    After enabling CSM, I have Insert Boot media and the disk can be heard .
    In the Boot options in Bios I only have a DVD and I can't add a disk


    Is this the answer to my question? If so, then you can not hear anything.
    Company Account:
    Almar Serwis Roland Piszczelok
    Gliwicka, Rybnik, 44-200 | Tel.: 506XXXXXX (Show) | Company Website: www.almar-serwwis.pl
  • #10 17190986
    Anonymous
    Level 1  
  • #11 17190990
    pcnet

    Level 32  
    Posts: 4076
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    The disk is visible under Hirens as a GPT partition

    Added after 10 [minutes]:

    yes they are factory only I had to turn on CSM afterwards

    Added after 1 [hours] 26 [minutes]:

    Now BiInitializeLibrary failed 0xc00000bb appears
    And in no way can I boot from a pen or DVD
    Company Account:
    PC-NET
    Słonecznikowa 6B, Częstochowa, 42-224 | Company Website: https://agapo.pl
  • #12 17861781
    Alkoholik1987
    Level 1  
    Posts: 1
    Dude, can you write what caused the problem? Because I have the same paw and the same problem.
  • #13 17863122
    pcnet

    Level 32  
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    from what I remember a new bios
    Company Account:
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  • #14 18233724
    Anonymous
    Level 1  
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  • #15 18234261
    Stani12
    Level 28  
    Posts: 1180
    Help: 134
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    Your computer cannot see any disk.
  • #16 18709558
    maniek763
    Level 11  
    Posts: 93
    Help: 1
    Rate: 52
    Maybe someone will tell me because I have read all topics, disconnected the keyboard, showed me the date in the bios 2012 so I changed the batteries and set the date manually. but I don't have a boot disk. I checked on another laptop and the system works on it.
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  • #17 18710145
    maniek763
    Level 11  
    Posts: 93
    Help: 1
    Rate: 52
    maniek763 wrote:
    Maybe someone will tell me because I have read all topics, disconnected the keyboard, showed me the date in the bios 2012 so I changed the batteries and set the date manually. but I don't have a boot disk. I checked on another laptop and the system works on it.


    Luckily my niece got loose, my niece entered Bios and moved in one place. Everything works .
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Topic summary

✨ The discussion revolves around a user experiencing issues with an Asus R513C laptop, where the BIOS starts but fails to boot from the disk, despite the disk being operational and the date set correctly. Various troubleshooting steps are suggested, including checking boot settings, ensuring the disk is recognized in BIOS, and restoring factory settings. The user reports enabling Compatibility Support Module (CSM) but encounters a "BiInitializeLibrary failed 0xc00000bb" error, preventing booting from external media. Other users share similar experiences and suggest that a BIOS upgrade may resolve the issue.
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FAQ

TL;DR: For Asus R513C stuck booting to BIOS, 1 confirmed fix was a BIOS update — "from what I remember a new bios." This FAQ covers boot mode, disk detection, and getting USB/DVD to boot. [Elektroda, pcnet, post #17863122]

Why it matters: It helps Asus R513C (and similar) owners who ask “will a BIOS upgrade help?” fix no-boot, missing-boot-device, and UEFI/CSM issues fast.

Quick Facts

Will a BIOS update fix an Asus R513C that only boots to BIOS?

Yes, it can. One confirmed case in this thread was fixed by updating the BIOS. Use the exact R513C firmware from ASUS and a stable power source. Run EZ Flash from BIOS, not Windows, and avoid interruptions. After flashing, load defaults, then set boot mode. [Elektroda, pcnet, post #17863122]

Why does my Asus boot straight to BIOS instead of Windows?

Firmware does not see a bootable disk. If no storage is detected, the system enters BIOS. As one expert put it, “Your computer cannot see any disk.” Check connections and ensure the controller and mode are correct. Then confirm the disk appears in BIOS. [Elektroda, Stani12, post #18234261]

How do I fix “Insert Boot media” after enabling CSM?

Match boot mode to your disk. If your system drive is GPT, switch to UEFI and disable CSM. When only DVD shows under Boot Options, the HDD isn’t presented as bootable. Recreate install media for UEFI if needed, then retry. [Elektroda, pcnet, post #17190813]

My drive shows as GPT in Hiren’s — which boot mode should I use?

Use UEFI boot. The thread shows a GPT disk present while boot failed with legacy settings. Align the disk format and firmware mode to allow Windows Boot Manager to appear. After switching, save changes and reboot. [Elektroda, pcnet, post #17190990]

Why isn’t my HDD in Boot Options (only DVD listed)?

That means firmware sees only the optical drive as bootable. In the report, only one device (DVD) appeared in Boot Options. Ensure the storage controller is enabled and the disk is detected on the Information/Main page. Then set the correct boot mode. [Elektroda, pcnet, post #17190813]

What does “BiInitializeLibrary failed 0xc00000bb” mean here?

It indicates a boot initialization failure on this unit. In the report, it appeared together with an inability to boot from USB or DVD. Return BIOS to defaults, ensure UEFI mode, and test again with known-good media. [Elektroda, pcnet, post #17190990]

How do I reset the BIOS to factory defaults on the R513C?

Enter BIOS, load defaults, and save. 1. Power on and enter BIOS. 2. Choose Load Setup/Factory Defaults. 3. Save and reboot. This clears incompatible settings that block boot. Reapply only necessary changes after restart. [Elektroda, Anonymous, post #17190738]

Could a faulty keyboard force the laptop into BIOS every time?

Yes. A damaged keyboard can hold a key that triggers BIOS entry. Test by disconnecting it. How-To: 1. Unplug the internal keyboard ribbon. 2. Power on, using the power button or USB keyboard. 3. If it boots, replace the keyboard. [Elektroda, raftronik, post #17190710]

My HDD boots on another laptop but not here—what should I check?

Check BIOS mode and priorities. One user resolved the issue after a single BIOS setting change. Ensure UEFI is enabled for GPT disks, save, and reboot. If Windows Boot Manager appears, set it as first boot. [Elektroda, maniek763, post #18710145]

I can’t boot from USB or DVD—what should I try?

Use UEFI-compatible media and verify the firmware mode matches. The report showed USB/DVD boot blocked when boot initialization failed. Reset BIOS to defaults, set UEFI, and retry with a freshly created installer. [Elektroda, pcnet, post #17190990]

Should I enable CSM/Legacy to make Windows boot?

Not when the system disk is GPT. In the thread, enabling CSM produced “Insert Boot media.” Keep UEFI enabled for GPT drives, then set Windows Boot Manager first. [Elektroda, pcnet, post #17190813]

The BIOS clock shows 2012—should I replace the CMOS battery?

Yes. Replace the battery and set the correct date and time. Then recheck boot settings because defaults may change. If the disk still isn’t bootable, review UEFI/CSM configuration and Boot Options. [Elektroda, maniek763, post #18709558]

Is there a quick way to confirm the disk is detected without Windows?

Yes. Boot Hiren’s and check if partitions appear. In this case, the drive was visible as a GPT partition, confirming hardware detection. If partitions show, focus on firmware boot mode and entries. [Elektroda, pcnet, post #17190990]

Does this happen on Samsung too?

Yes, a user posted a Samsung that opened BIOS instead of Windows. The key finding was: “Your computer cannot see any disk.” Check disk detection first, then align boot mode to your disk format. [Elektroda, Stani12, post #18234261]
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