I NEED TO GET MY COMPUTER TO BOOTUP...IT LOST THE OS .... I CAN'T FIND MY DISC AT THE MOMENT....WE JUST MOVED... I GUESS I LOST EVERYTHING, BUT I WILL BE HAPPY JUST TO GET IT GOING AGAIN, AND I WILL REINSTALL DRIVERS OR WHATEVER BUT I NEED TO GET IT GOING WITHOUT THE DISC...IT'S A GATEWAY MX6442 ...THANKS
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Unfortunately, you may have damaged the hard drive when you turned it off during the update. The best case would be that the boot sector information has been corrupted. To try to recover the boot information, you will need a Vista Home Premium 32-bit OS install disc (or an upgrade disc) or a third-party partition/system recovery CD. If you upgraded the OS, you'll need that install/upgrade disc. (If you don't have the Windows OS disc, you may be able to get one from a Windows Users Group member. They often have spare copies.)
Put the disc in the optical drive and boot to the optical disc. Assuming your computer has the DVD drive in the boot list, it should boot to the CD. You will need to choose the Repair option and then the command prompt (Advanced Repair). Type in the command "bootrec.exe /ScanOS" (without the quotes followed by hitting enter). If your hard drive is correctly detected, you should see a Windows OS detected. Then use "bootrec.exe /RebuildBcd".
You may need to execute the additional commands "bootrec.exe /FixMbr" and "bootrec.exe /FixBoot" to fix the database record.
If no Windows OS is detected, try changing drives (to C: or D:, etc.) and locate the drive with the Windows directory. If you can't change drives, the hard drive is not readable. You will need to replace the drive and then reinstall the OS from the install disc. Alternatively, you can try restoring the information to the new drive from your backups. However, you will loose any data not backed up in either case.
This may vary depending on your laptop make and model. The standard method for reformatting any PC (Desktop or laptop) is to insert your manufacturer provided Operating System disc into the CD/DVD ROM. Your submission says this is a Dell laptop so the moment you turn on the computer begin pressing F12 to trigger the one time boot menu. Insert the Operating System disc into the computer while you are at the menu then select boot to CD/DVD ROM (the actual choice will vary depending on your hardware). Since you presumably have an Operating System installed you may need to interact with the boot to cd/dvd to make sure that you do indeed boot to the disc. Once you have booted to the disc follow the on screen instructions to format the system and re-install your Operating System
From what you say I presume you wish to put it back to when you bought it. If so, boot your computer and go into the Bios, select default settings. Re boot your computer with your system disc in the DVD drive and when the menu asks whether you want to install a fres system and format, select that. When your new system is installed, go to the manufacturers web site and down load the drivers for your computer then re boot it. Install Office and any other periferal software that was supplied with the computer and there you have a system installed bare PC.
Get a recovery disc for your computer (OS or a partitioning/utlity tool). You need to find out if you lost the MBR (the where is the OS information), the partition, or if the hard disc failed.
It's very likely that any repair attempt may reformat your hard disc. So consider a Live CD rescue tool and backing up if you haven't been consistently doing so. (Attach a USB hard drive or external optical drive for the backup data.)
Good luck and I hope this helps.
Cindy Wells (who has a computer smart relative who reformatted the computer without salvaging the data to find out the hard drive was failing and that was why it lost the MBR the first time.)
It means it cannot find it's operating system or windows to start. When a PC boots it checks for boot devices, usually the floppy, then cdrom, then hard drive, if there is a disk in the floppy or if your pc is set to boot from cdrom and there is a disc in it - it will say OS not found. The second possible cause is something has happened to windows - either the hard drive has failed or windows has lost it's startup files. If the drive appears to be normal and chatters slightly on startup ( a light clicking noise) then possibly running the original windows install disc and reinstallin windows should fix the problem, on 98 or ME you can re-install, on 2000 or XP try the recover/repair option first.