BIOS Code 99: How to Fix it Effectively

Setting the SATA mode into AHCI should do here

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

If you try to boot or reboot your Windows device, but you get stuck on ablack screenwith the motherboard or BIOS error code 99 displayed in the bottom right corner, it means that something isn’t functioning as it should.

No, it’s not a Windows system malfunction but a hardware issue that is preventing the OS from loading properly, and that’s why the boot/reboot sequence cannot be completed.

Simply put, theWindows OScannot be initiated. The motherboard 99 code is not even an actualerror. It shows what stage it’s currently running, and in this case, we are discussing problems within Super IO Initialization.

Of course, the motherboard can cause the issue, but it might be something with the BIOS setup too. In this article, we will try to find the proper fix for PC error code 99 and kidiconnect error code 99, so keep reading.

How can I fix the BIOS error code 99?

Before delving into the solutions in this section, try the troubleshooting steps below:

If the issue persists, proceed to the solution below:

1. Set the SATA mode into AHCI

If you can go to BIOS, you should start the troubleshooting process by ensuring that the SATA mode is set into AHCI instead of IDE. Moreover, the boot order should follow theUEFI protocolby default.

2. Verify the Time and Date from BIOS

3. Reset or update CMOS

You can even choose to reset or update CMOS, as this can easily fix the error code 99. Do note that depending on each manufacturer, the BIOS options might differ.

UpdatingBIOSwithout booting into Windows is possible only for newer motherboards, while making a reset can be done by accessing factory settings.

You can also reset the motherboard by removing and re-applying theBIOS battery, though this is a complex process that will imply disassembling your PC, so be careful and try not to mess things up even worse.

Don’t be afraid to ask for more experienced help if you are not a tech expert.

As already outlined, the debug code 99 describes Super IO Initialization issues. So, the fixes should focus on this particular field.

We hope that we managed to fix this problem with the help of the solutions listed above.

If you have any other suggestions or questions, please feel free to access the comment section below, we are very happy to hear from you.

BIOS Code 99: How to Fix it Effectively#

How can I fix the BIOS error code 99?#

1. Set the SATA mode into AHCI#

2. Verify the Time and Date from BIOS#

3. Reset or update CMOS#

BIOS Code 99: How to Fix it Effectively

How can I fix the BIOS error code 99?

1. Set the SATA mode into AHCI

2. Verify the Time and Date from BIOS

3. Reset or update CMOS