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New home build computer would power up monitor.

Hello all,
I just built my first computer and it seemed to go really well.
From home I used my Dell flat panel monitor as I installed the Operating system and applications.
I then cushioned it very carefully and drove it to my Dads house to give to him as a gift.
When I hooked it up to his Compaq monitor it wouldn’t turn on his monitor during the boot process.
I checked all my connections and even replace the video card. He had two monitors so I hooked it up to that one and the same thing occurred.
Although the fans were running I didn’t hear the hard drive making the normal sounds it normally would make during the boot up.

I bought the PC back home and hooked it back up to my Dell flat screen and to my surprise it didn’t activate that screen either.

Now comes the really strange part. I disconnected the hard drive and the screen monitor turned on displaying a message that the storage media device was not present.
I turned it off and hooked to drive back up, rebooted and everything worked normally.

I then hooked it back up to my Dad’s compact tube type monitor and it also ran perfectly and has been for several hours now.

So it appears that disconnecting the hard drive and then reconnecting it reset something and now everything is working. I know the connections were properly tight to begin with but because I checked them when I went to my Dads house the first time.

Something happed between the time I finished loading my last application and the time I drove it to my Dads house and hooked it up to his existing monitor.

Everything in this computer is new, from the power supply to the mother board, CPU and other devices as well.

The only thing that isn’t new is the hard drive itself. It’s about 2 years old. It’s a Sata drive I pulled out of Dell Dimension 8300.

But up until the time I hooked it up to the Compaq I had zero problems.

Since it’s working now I’m not asking for a fix but some kind of reasonable explanation as to why re setting the hard drive at least for the moment has fixed this problem.

Regards,
Tplayer

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elitehaxor

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DO NOT PLUG OR UNPLUG THINGS WITH THE POWER ON!!!
Any kind of electrical contact can have a bad connection.
SATA connectors are known to be problematic.
You basically had a loose plug.
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i think too that the sata plug can have caused it, most do not have any kind if locking mechanism, and come off rather easily. This can have happened during your drive to your dad's.
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nep1

Does your video card have tv-out? Sometimes the boot screen will load up on the tv instead of the monitor, simply turning off the PSU then back on usually solves the problem!

Have you re-attached the old SATA drive to check if it now works?
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> And also take care for the 1ST beep of machine when you give it power.


What do you mean by this.
It actually does make a single beep as it boots but I didn't think anything of it.

>Have you re-attached the old SATA drive to check if it now works?

Yes, after I unplugged booted, replugged and booted again it starting working and hasn't malfunctioned since.

a single beep usually means everything is fine, i would assume it's the monitor connector
You forgot to sacrifice the necessary { dog | slave | first born | virgin } to the great god Murphy and appease him.

Murphy was displeased with your efforts.

Remember Murphy's Laws

If anything can go wrong, it will
If everything seems to be going well, you have obviously overlooked something


Of course, if you are a non believer in Murphy, then any of the previous poster's comments will suffice.