no operating system found

December 6, 2010 at 07:39:31
Specs: Vista
My laptop will not boot. I get no operating system found. The laptop will not run the restore disks. I know the disks are good. It did boot up once and ran for about 15 minutes and shut down again. I only get no operating system found when I try to turn it on. I have reset the BIOS to the factory settings. I have also tried replacing the hard drive.

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#1
December 6, 2010 at 12:58:25
What drive (cdrom/hard drive) is selected to boot first in the bios boot sequence?

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#2
December 6, 2010 at 14:40:19
"I have also tried replacing the hard drive."

What do you mean? You tried but couldn't replace it? Or you did replace it but have the same problem?

If you did replace it, did you then install an operating system on it?

Real men don't use AntiVirus; they just reformat


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#3
December 6, 2010 at 15:21:00
I did replace the hard drive and when I could not restore with the new hard drive I put the original back in and reset the bios. Neither drive worked. I have the CD drive first in the boot order

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Related Solutions

#4
December 6, 2010 at 15:48:15
Are the restore disks the correct ones for that laptop? What error messages do you get when running them?

Is the bios seeing the drives correctly?

Real men don't use AntiVirus; they just reformat


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#5
December 6, 2010 at 16:37:26
The restore disks are the correct ones. The Bios does see the new hard drive and let us do diagnostics but it would not restore the system. I do not remember getting any messages.

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#6
December 6, 2010 at 16:57:19
The behavior is not indicative of a specific problem.

The 'no operating system' can mean the OS is corrupted in which case the restore disks should work. Or the drive might be bad and the disks are detecting that.

Some disks will only respond to a new drive if it's the same size as the original. I don't know if that's the case with yours.

There could also be a problem with your cdrom.

Real men don't use AntiVirus; they just reformat


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#7
December 6, 2010 at 17:05:41
The CD drive is good. The new hard drive is larger.

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#8
December 6, 2010 at 17:11:47
I put the old hard drive back in and it booted once and ran for a while, but I cannot get it to boot again with the original drive. I just get no operating system found. What would cause it to work one last time. It shut itself down when it failed for the first time. It also shut itself down when it booted the one last time.

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#9
December 6, 2010 at 18:18:53
Sometimes booting and sometimes not booting can be that the drive is slowing down. Some bios' have a 'hard disk pre delay' (or words to that affect) that allows the drive more time to spin up. If you have that option set it to about 6 seconds.

You are talking about the Vista computer, right? If so it should be fairly new. Most manufacturer's are too lazy now to have restore disks. They just have a restore partition on the drive, which of course doesn't do any good if the drive is bad. And I assume you don't have that since you have the disks. But you might check the manual to make sure. If by chance you have the restore partition you can boot to that and do the restore. Of course you'd be restoring to the old drive but you can try it and see what happens.

Otherwise it may be the size of the new drive that's the problem. It'd be helpful to know exactly what happens when you boot from the disks and attempt the restore.

Real men don't use AntiVirus; they just reformat


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#10
December 7, 2010 at 13:18:57
I have to wait until after the holidays to work on the laptop again. I will post again when I can answer your questions.

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#11
December 14, 2010 at 12:12:26
The only error message I get is No Operating system found no matter which hard drive is in the computer. I get this message with the restore disks in and the dvd the only boot option. I get this message with the dvd first in the boot order. I do not get any other messages.

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#12
December 14, 2010 at 21:38:02
Are any of the drives SATA? If so you may need to separately enable them in cmos/bios setup. You may need to check the manual if that's the case. Otherwise, verify the IDE ports are enabled in cmos/bios setup. Also, even though a drive is shown in the boot order, sometimes you have to separately enable it as bootable. If so, I think that usually is shown by a checkmark by the drive in the boot order.

Other than that, maybe a bad DVD drive?

Real men don't use AntiVirus; they just reformat


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