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Beginner
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DZ86BC Start up issues.

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I have had a DZ86BC for years without any issues, from Win 7 Pro 64 to now Win 10. Over the last few months, whenever I start the computer (either from an off state or a restart) it hangs at the boot screen (where you pressF2 to enter setup) for 15-20 minutes. I am unable to hit F2 or F7 during this hang. Getting very frustrating. Any ideas?

Thanks.

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Valued Contributor I
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I have two of them. They are the slowest boards I've seen with respect to the time it takes to go from power-off to login screen, even with an SSD, but I've never seen 15-20 minute delays. I have two suggestions.

First, unplug the Ethernet cable and remove / disconnect everything, and I mean everything, except for the bare essentials. Remove all add-on cards and disconnect all drives. If you have a CPU with on-chip graphics, remove the video card and use the on-chip graphics. If the problem disappears, add each part back one at a time to identify the defective one.

Second, move to a different BIOS as a test, but do remember that moving beyond 0028 is permanent (and not recommended by me). For example, if your board has a BIOS of 0028, move to 0027. If your board has a BIOS of 0042, move to 0039. My theory here is that something in BIOS was over-written and this will refresh it. After you fix the problem, return to your original BIOS.

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Valued Contributor I
9 Views

I have two of them. They are the slowest boards I've seen with respect to the time it takes to go from power-off to login screen, even with an SSD, but I've never seen 15-20 minute delays. I have two suggestions.

First, unplug the Ethernet cable and remove / disconnect everything, and I mean everything, except for the bare essentials. Remove all add-on cards and disconnect all drives. If you have a CPU with on-chip graphics, remove the video card and use the on-chip graphics. If the problem disappears, add each part back one at a time to identify the defective one.

Second, move to a different BIOS as a test, but do remember that moving beyond 0028 is permanent (and not recommended by me). For example, if your board has a BIOS of 0028, move to 0027. If your board has a BIOS of 0042, move to 0039. My theory here is that something in BIOS was over-written and this will refresh it. After you fix the problem, return to your original BIOS.

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Beginner
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Thanks for the suggestions. My case came with a Bluetooth adapter (that I have never used). After disconnecting that, the computer started normally.

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