You would be better doing a factory reset
but then you would have to reinstall the updates
Method One Using the Recovery Partition(on selected models)
Press < F9 > during bootup.
Press [Enter] to select Windows Setup [EMS Enabled].
Select the language you want to recover and click Next.
Read the ASUS Preload Wizard messages and click Next.
Select a partition option and click Next. Partition options:
Recover Windows to first partition only. This option deletes only the first partition and allows you to keep other partitions, and to create a new system partition as drive "C". Recover Windows to entire HD. This option deletes all partitions from your hard disk drive and creates a new system partition as drive "C". Recover Windows to entire HD with two partitions. This option deletes all partitions from your hard drive and creates two new partitions "C" (25%) and "D" (75%). 6. Follow the onscreen instructions to complete the recovery process.