Compaq wont boot with hard disk power cable connected?????

Hi,

I've got a compaq SFF which wont boot when the power cable is connected to the hard disk drive. It basically flashes on then off. If I disconnected the hard disk power cable I can get it to boot and go into the BIOS. I can even get a floppy to boot. On its own it just doesn't happen. Anyone got any idea what is happening. I've never seen anything like this???????

I'm figuring the power supply is potentially broke but there may be something specialised that I'm just not seeing. Anyone got any ideas???????????? I think the question is probably quite hard.......it's a you know what to look for or you don't.

Cheers

Vince
549770Asked:
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NetminderCommented:
Per recommendation, points refunded and question closed.

Netminder
CS Moderator
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CyberCristCommented:
ensure that the hard drive cable is firmly connected and that the red stripe on the cable is facing the power connector.  Thats a quick check.  However some more info would be helpful.

Have you installed anything new in the computer?

Did it just start up like this one day?

Have you made any changes in the BIOS?

What were you doing during your previous session on the computer?
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jlausterCommented:
Is the hard drive spinning up? If not, I might suspect a drive failure. Do you have another system you can put the drive into to see if it will still come up to speed and be able to be read?
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slink9Commented:
I agree with hard drive problems.  The cable is the first and easiest to check.  Also try a different cable and/or take a look at the connector to make sure there are not bent or missing pins.
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discdriveCommented:
I had an IBM Aptiva do the same thing. It would shut itself off shortly after starting up until I disconnected the power to the HDD. I tried the drive in another PC and the same thing happened to it. I would assume the drive has shorted out somehow. I believe you will need to replace it, as I did.
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NetminderCommented:
discdrive,

Welcome to Experts Exchange!

I've rejected your proposed answer for the following reasons.

It's custom to post your suggestions as a Comment, rather than as an Answer for a couple of reasons.

The main one is that by posting an Answer, you move the question from the Open Questions queue to the Locked Questions queue. That makes it less likely that the Asker will get input from a number of Experts.

EE is a site based on collaboration; the idea is to get as many ideas as possible as a resolution to the problem. You should only post an Answer when you are absolutely, 100% certain that yours is the ONLY completely accurate solution, AND that it doesn't duplicate or paraphrase someone else's suggestion.

The Asker sees a button (even on rejected answers) that says Accept This Comment As Answer, so if yours is the best suggestion, it is likely to be selected, and you'll get the points and the grade.

Again, welcome aboard!

Netminder
CS Moderator
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discdriveCommented:
I realized this after looking at the site afterwards.
It would occur to me to make folks aware of this procedure when asking then to sign up as a member. Better still eliminate the answer button if it serves no real purpose.
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NetminderCommented:
discdrive,

<grin>... If I had a dime for every time the suggestion of getting rid of the Answer button had been made, I'd be giving Mr. Gates a run for his money... It's a terribly long story as to why it's still there.

Netminder
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ITsheresomewhereCommented:
we cant seem to unstick it from the page, dang superglue anyhow.

ITsy
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slink9Commented:
A hammer would do the job well.  Try that, ITsy.  I guarantee that you won't see the answer button anymore.  Rare back and hit it as hard as you can.  I believe it is really stuck, so it will require as much force as you can muster.
This is a good idea if you want a new monitor, also.
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549770Author Commented:
solved it, not sure how points should be distributed. Nothing wrong with the drive and nothing wrong with the machine. They just don't like each other and there doesn't seem to be anything I can do to make them work. Put another disk in and it worked fine. Compaq SFF dont seem to like Maxtor disks.............for some reason. If anyone know why this is or how to get around it then let me know. diskdrive is closest but there isn't really anything wrong with the drive..........any ideas what to do with the points???????
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jlausterCommented:
You may have to set the jumpers on the drive(s) for "Cable Select". If this is an ATA-66 or 100 drive, your system may require that you use an 80 conductor IDE cable and the cable select settings for the drive jumpers. Connect the blue connector of the cable to the motherboard, the black to the master drive and the gray to the slave drive.
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potlowCommented:
git a compaq 7594 and it wont post what do you think guys dont know crapoila
about these compaqs bad ram? the hd? the powder supply? it turns on.
but no post at all. i need to ask u guys for the answer.....
i hope u can rfigure it out thanks.......................D................
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