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Operating System Not Found.. :|


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#1 teerossi

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Posted 21 August 2008 - 01:06 AM

Hi guys, i took my computer apart the other day to clean it out and i put it back together.. booted once and went to log in screen. after that it said operating

system not found. so far, ive used fixboot and fixmbr commands, still didnt work. tried to reformat my HD and reinstall windows XP Professional. still hasnt

worked. Any help? I would greatly appreciate it.
teerossi

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#2 Budapest

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Posted 21 August 2008 - 01:10 AM

First thing to do would be to check all your connections (especially the hard drive) to make sure they're seated okay.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#3 teerossi

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Posted 21 August 2008 - 01:57 AM

the IDE cable was fit snug. not loose at all and seated okay. i made sure that the peripheral plug was in alright as well. i dont know what else i could do to fix it. its a pretty valuable computer. any other suggestions?
teerossi

#4 Budapest

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Posted 21 August 2008 - 02:01 AM

Go to the website of the manufacturer of your hard drive and download their diagnostic test to test your drive. Normally itís a bootable CD, so it doesnít matter if your computer wonít boot.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#5 jhsmurray

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Posted 21 August 2008 - 02:02 AM

Did you happen to change the jumper settings? Anything suspicious in the BIOS?

Acer Aspire 5732z
OS: Windows 7 Ultimate
Processor: Intel Pentium III Xeon, 2200 MHz
RAM: 3 GB
Display: Mobile Intel GMA 4500M

#6 teerossi

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Posted 21 August 2008 - 02:10 AM

Nope didnt mess with the jumper settings. Actually, just bought the HD New today. so there cant be anything wrong with it. Looked in the BIOS, nothing really suspicious that caught my eye..

I shouldnt need to test it, i just bought the HD Brand New today...
teerossi

#7 Budapest

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Posted 21 August 2008 - 02:13 AM

Where does the installation fail and what's the error message?

Is it a SATA drive? If so you will need to load the SATA driver.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#8 teerossi

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Posted 21 August 2008 - 02:16 AM

Installation no longer fails, got it to finish the setup, but i rebooted and still received the same message. The error message says: "Operating System Not Found".

It is an SATA Drive, but im using an IDE cable since it is also IDE compatible. I shouldnt need an SATA cable right? Or would i need to install the SATA Driver anyway since it is also an SATA Drive?
teerossi

#9 Budapest

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Posted 21 August 2008 - 02:26 AM

Maybe try the "Method 3: Change the active partition" fix given here.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#10 jhsmurray

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Posted 21 August 2008 - 02:29 AM

I shouldnt need to test it, i just bought the HD Brand New today...

It's possible that its a manufacturing error. If all else fails, definitely try the manufacture diagnostic while its still under warranty.

Acer Aspire 5732z
OS: Windows 7 Ultimate
Processor: Intel Pentium III Xeon, 2200 MHz
RAM: 3 GB
Display: Mobile Intel GMA 4500M

#11 teerossi

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Posted 21 August 2008 - 02:45 AM

i thought it could be an error, but this is the second HD that this computer has done this to, so im not too sure that both of them are messed up?
teerossi

#12 teerossi

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Posted 21 August 2008 - 02:59 AM

tried method three. cant seem to get it to work. i checked the HD and it said there is one copy of Microsoft Windows XP Professional on it, however, my PC will not load it up, even tho its there? doesnt make sense at all....
teerossi

#13 dc3

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Posted 21 August 2008 - 03:30 AM

How is the BIOS configured to recognize the hdd, Auto?

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#14 teerossi

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Posted 21 August 2008 - 12:14 PM

Not sure, i was never able to access the bio. its an hp computer. hold f1 or f2? i tried reaching BIOS but only got to it once..
teerossi

#15 jhsmurray

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Posted 21 August 2008 - 12:57 PM

Getting into the bios depends on the model computer you have.

Here is a non-exhaustive list:
http://www.computing.net/faq/content9x/bios.html

Acer Aspire 5732z
OS: Windows 7 Ultimate
Processor: Intel Pentium III Xeon, 2200 MHz
RAM: 3 GB
Display: Mobile Intel GMA 4500M




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