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Cheryllk

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Hard drives not powering up when the cables are connected

Hi it's me again :o)

I am in need of some help again.  My friend is building a pc,  he has a biostar MB..P4 2.8 ghz processor..but have the 800 MHZ buss.  When he powers up the motherboard, the fans power up and so do the hard drives.  When he places the cables to the drives, the drives lose their power.  I can't think of any suggestions to give him.  He says he is using the new cables that came with the hard drive.  

I would be greatfully thanful for any suggestions.

Thanks a million.

Cheryl
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Cheryllk

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Hello Everyone,

Thanks for all who have replied back to me.  Yes he has a new 450W case and the drive is  SATA with the correct jumpers set as master and slave.  The video card is also a newer one a Radeon I believe he had said.   The hard drive is a Maxtor  and brand new also.  He only has this one hard drive and is setting this as the master while his cd rom is the slave.  They are properly connected for the master and the slave, I had a peek at that.  

Not sure what else to do.

Thanks a million
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I really do appreciate all of the comments everyone. Thanks a zillion


When he has the mother board and the power connected to the hd and cd rom, he gets power to everything.  It is when he hooks up the data cable to these devices that he gets no power to them.  I am no expert but I have put together a few pcs and I went there to make sure the jumpers were set properly and the data cables were connected properly also.
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Gaud-wo

Thanks again, sorry it is taking me so long but I am only getting bits of info from my friend.  He did say the hard drive is a Maxtor DiamondMax Plus9 80GB with a 7200 RPM.  When asked again about the hard drive before, sorry I did type SATA but it is being used as the primary ATA Master and the cd rom is being used as the Primary slave.  We used the old cables which he had and the new data cables that came with this hard drive but have had no luck yet.

It is when he connects the data cable the hard drives lose their power.  When just the power is connected to the hard drives then they do have the power they should have.
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Thanks again to everyone.  We did try this again with all of the help from all of you wonderful people and still are at a loss of power to the hard drives.  The cables are in the IDE one slot with the red stripe on the end of the cable towards pin 1.  We tried this hard drive in another pc and it works fine.  We also tried the same data cables in the other pc and all is working well there.  I am assuming it may be a faulty motherboard but not sure.  We also tried one drive at a time and still no luck.  We just don't know what else to try other than maybe a new mother board.
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I suggest he checks whether he still has warranty on the mainboard (some give 3y wararanty), if so, bring it to the dealer and he will have to RMA it. May save him the trouble of buying a new mainboard...

Sorry for the late reply, I overslept, too late for work :s
yep it must be the main board, if you have tryed another hard drive and the bios and still no luck then send the thing back.
Thank you much.    : )