Bios settings you need to choose start from cd/dvd drive.
With the recovery disks, just insert disk 1 into your drive, boot laptop to CD and your on the way to recovery.
There are several computer recovery disks available. Knoppix is a great tool and can be used without any installation procedure to recover files from any machine that won't boot up.
A boot sector virus is a computer virus infecting the boot sector on hard and floppy disks. When the computer becomes infected and successfully boots, the virus can then infect media that is written to by the infected computer, replicating itself and spreading through the sharing of disks and software applications.
The benefits of having a recovery disk is if your computer hard drive is badly damaged it can allow a client to quickly recover there unit back to day one or factory settings. Not having this disc can leave a customer with a computer that wont boot up if damaged.
There are two options. If the computer has a recovery partition, then the user can press a designated key during boot to start the recovery process of th recovery partition. Option 2 if the computer has no recovery partition and or the Hard drive died the with a new hard drive installed it can be recovered from the recovery CDs/DVDs. This process is a bit more complex because sometimes the user needs to change the boot sequence to boot of the DVD-ROM device. In newer mother boards there is a designated key which the can press to select the boot device. Usually the key is F12. Computer Manual http://www.ComputeSimple.com
It creates a "recovery disk". This disk allows you to fix your computer if it doesn't boot up.
Four (4) startup disks are needed to boot Windows 2000 from floppy disks.
Access the Recovery Console by first booting from the Windows 2000/XP CD, or the four Windows 2000 setup disks or install the console under the boot loader menu and access it from there. Insert the 1st of the disks and restart the PC. You are directed to insert each of the four disks in turn, and then the Setup screen appears. Type R to select the "To repair a Windows 2000 installation" option, then type C to select the Recovery Console.
It is a set of four rescue disks.
Really, the easiest way is to just dump everything on your computer onto a CD or memory box. CD's will generally not be large enough, so try and find a large memory box. My friend has a 1 TB box; that's 1 terabyte (1,000,000,000,000 MB) of memory--more than enough (the average computer has at the most a few GB of memory).If you relay want recovery disks contact the computer manufacturer.
boot to Last Known Good Configuration
Try starting the computer in safe mode. If that doesn't work, try using a recovery disk. If not, you may need to reinstall the OS.