The RECOVERY FILES will be there in ur HARD DISKs' D: Drive

The options are...

Press F8 or F10 while at BOOT SCREEN... (If the datas in D Drive is not damaged) it will directly take u to the RECOVERY SETUP Program... and its easy to install step by step...

Second case: (If the data in D Drive is lost) Hope it doesn't happen...

U may need to go to an ACER WORKSHOP...
They will do it for u... BUT NOT FREE... U must pay SERVICE CHARGE around 100 QR...

Try first... and let me know...