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Miss Operating System error: need help!

ny971181
ny971181 asked
on
Medium Priority
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Last Modified: 2012-06-27
hi, I am building a second hand computer. Once I connected every hardware and cables, I turned on the computer, after Ram detecting and the table of hardwares appeared, there was a error msg: Missing Operating System. So I reinstalled MS-Dos, but once I restarted computer, same error. What is the possible cause for my error? Please help, this has been killing me all week!

Any suggestion will be greatly appreciated

Chris Lee
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Infrastructure Specialist
Commented:
Check with fdisk to see if your partition is active!

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Author

Commented:
henrie:
I don't know much about partition. Could you tell me a little bit more here? I will check the book myself also. and how to use fdisk? please tell me more detail so I can start trying it as soon as possible. thank you very much and have a nice day!

Chris :)
Yin

Commented:
Fdisk is very simple to use. (But be careful cause it can make a lot of damage as well if you delete the wrong partitions and so on.) You can boot on your MSDos install disk and exit installation directly then type 'fdisk' at the promt. Then you will enter Fdisk

What you probably need to use option '2' to activate your primary partition.
You can use option '4' to show the partition information on the current HD There you can check if and wich partition is active under status. (Look for the 'A') it shold be your primary (PRI DOS) in normal cases.

Options 1 and 3 is used to make and delete partitions.

If you have more than one physical disk in your system then you have an Fifth option '5' too change the curren HD to administrate. Here you will se a quick resumé of all your disks (If you are using scsi they might not show up here)

Well start Fdisk an look around It is easy to use.

//Yin
HenrieInfrastructure Specialist

Commented:
I've got nothing to add, Yin said it right.

Good luck ny971181 !

PS. Tell us if you need more info.

Henrie.

Author

Commented:
I took a look at the fdisk last night. they are what you tell me here. I didn't do anything b4 I get comment for you, tonight I will try option2 which will activate the partition. I am excited now.

Could you tell me what it will do activating partition. I mean what does that mean?

henrie:
I will grade you answer once I finish :)

yin:
you said it all right. but I wish I can give you some points too.
thank you.

I think I will still have questoin on this problem.

chris

Author

Commented:
hi, that doesn't work.  I chose option 2, but it said The only startable partition on Drive 1 is already set active.
What can I do next?

chris
HenrieInfrastructure Specialist

Commented:
Try the following:
start with your Dos-disk and go to the A:\ prompt. Type SYS C: and reboot again.

If this doesn't work, up the points some more and I'll email you a utility for checking your partitions and bootsector.


Author

Commented:
That still doesn't work. my email is CALPRCR@AOL.COM.

CHRIS

Commented:
This may be a simple problem with the disk prameters not being set properly in the (bios) setup. especialy if this is a disk that was working on a previos computer.
If your setup has AUTODETECT - use it.

Author

Commented:
stotter:
  You are right, the disk was used in another computer b4. In Bios Setup I chose autodetect hard disk and saved it. but what else can I do in autodetect ? I still got the same problem.

Chris
HenrieInfrastructure Specialist

Commented:
Sent you an email with proggie and comments,

let me know,
Henrie.

Author

Commented:
that is useful.

thanx

chris
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