Invalid system disk help?

Yesterday, i ran the program Advanced WindowsCare Personal and today when i started my computer it showed me the message "invalid sistem disk. replace the disk and then press any key". I put in a windows cd, but still it doesn't work.
what should I do?

Answers:
Follow this procedure to troubleshoot the error Invalid System Disk or Non System Disk.
1.Remove any floppy disks or CDROM/CDR/CDRW/DVDROM discs from the drives.
2.Remove any USB drives connected to the computer.
3.Remove any memory cards from the computer or peripherals.
NOTE: Some printers have memory card slots.
4.Press any key to determine if the computer will start.
NOTE: If the computer does not restart, turn off the unit, and then turn on the unit.
5.Perform a format and recovery of the hard drive.
6.If the issue is still unresolved after completing all of the troubleshooting steps, service will be required.
I need more info. Did the program come from a disk? If you can get to it, go the your control panel and see if you can add/remove the program you installed, if you didn't use a disk to install it. If you did, just insert the boot disk.
reboot without a disk if that doesn't work U have a virus
upon system reboot, hit F12 or F10 depending on your system setup, you should see an option to boot in safe mode, use it their, contact HP support if you own a Compaq or HP laptop. If not you can call Microsoft at (866) 234-6020 if you have purchased your computer or operating system within the last 90 days. If not, because Microsoft is not consumer friendly, you will be charged $ 59.00 (US).

If you have windows XP or vista, if you use F10 or F12 keys like I said above, you should see an option to use Windows Backup and Restore Center or something like that. From here you will be able to restore your system to an earlier, functioning date.

The answers post by the user, for information only, RunQA.com does not guarantee the right.


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