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Major - error - 'Not Operating System disk'


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#1 eastonch

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Posted 14 March 2009 - 04:40 PM

Hey, fixing a 98 pc or so i think it is. it has had a serverly crashed computer and i need to try and run it. it asked for a diskette so i downloaded one and put onto afloppy. now it says its not an operating system disk or ;check disk

what could this be??

thanks!

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#2 Keithuk

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Posted 14 March 2009 - 06:25 PM

Hey, fixing a 98 pc or so i think it is. it has had a serverly crashed computer and i need to try and run it. it asked for a diskette so i downloaded one and put onto afloppy. now it says its not an operating system disk or ;check disk

what could this be??


It depends what you put on the floppy?

http://www.bootdisk.com/

Once the boot disk is made then you use Sys C: to put the system files back. :thumbsup:

Keith

Windows ME (spare computer)
Windows XP 2002 Professional SP3 (desktop computer)
Windows 7 Professional SP1 32bit (laptop computer)

Windows 8 64bit spare drive for laptop computer


#3 eastonch

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Posted 15 March 2009 - 05:16 AM

Thanks but when i do scan disk C it comes up with C is not found
and when i do Fdisk it cannot find a Fixed disk. ill try the Sys C but i dunno if the HDD is knackered.

it doesnt come up with a pri-master

#4 Platypus

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Posted 15 March 2009 - 05:39 AM

If you enter the BIOS setup and it doesn't find a hard drive, then the hard drive could be faulty or disconnected (power plug fallen out, data cable loose or faulty), the controller could be faulty or disabled in the BIOS settings, or the BIOS could have reverted to a Not Present state for that drive. A few older BIOS don't default to Auto Detect, the drive has to be manually detected in one of the menu options. This type of BIOS "loses" the hard drive if the CMOS backup battery goes flat.
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#5 eastonch

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Posted 15 March 2009 - 05:44 AM

i had to remove the cmos for a reason i am not allowed to say on BC.

i checked the HDD and it looked to be in ok condition, it is vretical stuck to the fornt, dunnno how to remove it but the data cables looked ok, i couldnt see a jumper plastic thing if HDD's have them. aswell as the pwoercable looked ok. i followed all line and it is connecgted to the MB. dunno if this is fried or what, i aint spending money to fix gthis, it is a friends and he doesnt care. i might give him my black one which is quite fast but was gonna use that as a server, anyhelp on this computer would be appreciated ;)

Thanks!

#6 Platypus

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Posted 15 March 2009 - 06:10 AM

Umm, you can't "remove" the CMOS... cleared the CMOS settings? On some BIOS that could remove the HDD parameters and cause the hard drive not to be seen.

Whatever the cause, until the hard drive is present in the BIOS devices, you will be unable to proceed any further. By a process of elimination, you need to find out what is preventing the drive from appearing as a device. Is the hard drive on the same data cable as a CD drive?
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#7 eastonch

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Posted 15 March 2009 - 06:39 AM

I did remove the CMOS battery, to clear the setting which was preventing me from accessing the BIOS.

i am going to try and set it manually in the BIOS because i in Computer hope there is a list for the Fireball HDD as it is, now i just need to know its serial niumb and so on to get the right data to enter.

#8 Leurgy

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Posted 15 March 2009 - 06:53 AM

Actually you can remove the cmos on many motherboards as its a chip. If you did do that you won't be able to boot at all.

When the only tool you own is a hammer, every problem begins to resemble a nail. Abraham Maslo

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#9 Platypus

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Posted 15 March 2009 - 06:53 AM

Yes, in that case, the BIOS has probably just lost the settings. Most can Auto-detect the parameters, either by having Auto set as the option for the appropriate drive (usually Primary Master), or as previously mentioned, on some BIOS you have to go into another menu option to detect the drive, then the parameters appear in the right slot, save and the drive is found on reboot.
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#10 Platypus

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Posted 15 March 2009 - 06:59 AM

The CMOS memory (often called NVRAM - Non-Volatile RAM) is normally part of the RTC (Real Time Clock) as this is a CMOS device and needs to be powered by the backup battery during power-off. Some RTC chips are indeed in a plug-in removable package.
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#11 Keithuk

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Posted 15 March 2009 - 10:24 AM

Thanks but when i do scan disk C it comes up with C is not found
and when i do Fdisk it cannot find a Fixed disk. ill try the Sys C but i dunno if the HDD is knackered.

it doesnt come up with a pri-master


Well depending on who's BIOS/CMOS you are using Award has an option to check the Hard drive size. Once set and it looks the right size do a restart with your boot disk insert then type in Fdisk. At the main menu use number 4 to see existing partitions. If none are shown then Esc back to the menu and create a new Primary DOS Partition and follow the instructions. Once create go back and use the number 4 option to see it shows correctly. Then do another restart with the boot disk inserted then format the drive to check for any errors.

Then the Win98SE CD is bootable so you either set the boot sequence in the BIOS/CMOS to read the CD Rom first or your bootable floppy should have CD Rom drivers so you can bootup from floppy and type D: (CD Rom drive letter) and enter then type Setup and enter to start the install. Now doing a fresh install you will need all you additional drivers for your hardware e.g. graphics card, sound card, printer, scanner etc. :thumbsup:

Keith

Windows ME (spare computer)
Windows XP 2002 Professional SP3 (desktop computer)
Windows 7 Professional SP1 32bit (laptop computer)

Windows 8 64bit spare drive for laptop computer


#12 eastonch

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Posted 15 March 2009 - 11:03 AM

is that the only way> a reformat? ughh its not worth the bother. ;)

#13 Keithuk

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Posted 16 March 2009 - 07:55 AM

is that the only way> a reformat? ughh its not worth the bother. ;)


Not worth the bother. :flowers: Just chuck your computer in a skip then. :thumbsup:

Keith

Windows ME (spare computer)
Windows XP 2002 Professional SP3 (desktop computer)
Windows 7 Professional SP1 32bit (laptop computer)

Windows 8 64bit spare drive for laptop computer





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