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Discussion Starter · #1 ·
I may not be able to give all the PC details needed for this issue as the computer is not my own. I was helping my friend over Skype with his system.

We installed Windows 7 on his custom-built PC, but about 60% of the time booting resulted in the message "select proper boot device" (or something similar) and 40% of the time it booted up just fine. Everything seemed OK in the bios for boot priority (the only hard disk was the primary device), so we peeked around and changed the hot plug option from disabled to enabled.

Saving those changes, window immediately went into its repair mode for a couple minutes and restarted. After that it worked fine exactly once and went to the desktop. Just to be sure, we restarted again, but now it went straight to the bios, where the hard drive magically disappeared from all options. We put hot plug back to default disabled status and restarted many times. No hard drive. The windows installation disk also showed no disk on which to install.

This all took place in a call over Skype! So, if there is more info you need, I'll try to answer it, but I'm not sure about specifics, even though I helped him assemble the parts.

The bios is recent and shows ASUS. The hard disk is connected via 6G/s SATA cable.

Thank you very much in advance, and I hope that wasn't too long/was descriptive enough.
 

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Discussion Starter · #3 ·
Re: 'Hot plug' option rendered hard disk undetected

Thanks for the suggestion, and I'll have him try it next time I talk to him! In the meantime (since this is a slow relay process through calls) is there any other potential fix? We'll try everything we can when we call again.

Thank you.
 

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Re: 'Hot plug' option rendered hard disk undetected

what are you running
video card brand and model
cpu
m/board
ram
power supply
brand
model
wattage

check the listings in the bios for 12v line voltages and temperatures and post them

try booting from the win 7 disk and running repair
 

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Re: 'Hot plug' option rendered hard disk undetected

Thank you, dai. You were a lot of help! I went over to my friend's house and we tried all the things you suggested. In the end after changing modes as you suggested, switching cables, Windows disk startup repair, etc. Everything works perfectly!

I'm not sure what fixed it in the end, but we won't touch stuff anymore in the BIOS.

This message board seems pretty helpful.
 
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