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Community Manager
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Windows won't start after changing BIOS to "Optimal Default"

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Please help... I have a DP35DP board. In the BIOS, I chose the option of "Load Optimal Defaults", Saved changes then attempted the boot. I now get the "Windows Error Recovery" (black and white) menu. it says "Windows failed to start. A recent hardware or software change might be the cause..." I chose the "Last known good configuration" but that is not working (I'm getting the same error screen). Does anyone have a suggestion to help me get back to where my computer will boot successfully? - at your mercy!

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Community Manager
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I figured it out.... the wrong hard drive type was selected. I changed it from IDE to AHCI and it booted up.

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Community Manager
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I figured it out.... the wrong hard drive type was selected. I changed it from IDE to AHCI and it booted up.

View solution in original post

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New Contributor III
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Tip: in most cases switching to AHCI gives better harddisk\SSD performance. The following link gives the instructions how to do this without reinstalling windows:

http://tweaks.com/windows/44119/improve-sata-hard-disk-performance-convert-from-ide-to-ahci/ http://tweaks.com/windows/44119/improve-sata-hard-disk-performance-convert-from-ide-to-ahci/

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