Laptops forum


primary hd not recognized

by gdtrfb / January 30, 2012 8:49 PM PST

I discovered an obvious bad HD, bought replacement and cant get the computer to see the primary HD at all.I switch them around old and new in the 2 spaces but the bios only sees the one that is in the 2nd space.dv7 1175nr with 320gig black WD, and purchased a 250gig blue WD. Also I just went in the BIOS and there is very little you can do from the configuration section,just boot order from what I see.You can run tests on the secondary discs,but not the primary,no matter which one I have in that bay. Any ideas? Thanks, Mark

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All Answers

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If the BIOS does not show the first drive.
by R. Proffitt Forum moderator / January 31, 2012 1:41 AM PST

Then it's likely the connector on the main board has failed. As you are a computer repair tech you know to pull the board and see if you can touch up the solder work and re-try one last time to avoid replacing the mainboard.

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primary hd not recognized
by gdtrfb / January 31, 2012 6:39 AM PST

Sorry if I gave the impression I was a tech,this is not the case but I can try and pull this apart further to see if I can get at the connections.Nothing left to lose at this point.Are there any capacitors inside that would put out a serious shock?LOL - Mark

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The only high voltage I've encountered are
by R. Proffitt Forum moderator / February 1, 2012 2:22 AM PST

On the LCD backlighting boards. As you are indeed the repair tech (you became one the moment you started opening it up) you should use caution about the systems as to this and Electro Static Discharge or ESD.

Good luck in your repairs.

PS. It's a shame the exact part numbers are not given on the HDDs. I might have checked if the drive has a jumper to run at a slower SATA 1 speed. Sometimes can help.

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