step4 computer manufacture wisin include kara thiyena Bootstrap Loader nam Firmware eka magin POST wedasatahane wu Boot Sequence hi palamu upakramaya Master Boot Record(MBR) read karanawa.

step5 Ehidi hadunagath Operating System eka adangu memory eke sita RAM ekata Operating System eke file tika load karanawa.

Wedagath karunu

step3 eke thiyana CMOS eken hardware check karala hardware wala prashnayak thiyanawanam beep Alarm ekak nikuth karanawa..Hardware eka anuwa beep alarm eka wenas wenawa.Mema beep alarm eke ratawak thiyanawa ema ratawa aduna gena thamai Hardware repair karanne..

Step 4 eke thiyana MBR read karana piliwelak thiyanawa..mulinma CD/DVD ROM eke CD ekak thiyanawanam eke OS Eke file tika thiyanawada balanawa..Eken OS eke file tika hambune naththan Hard Disk eke thiyanawada balanawa.CD/DVD ROM eke thibunoth Hard Disk eke hoyanna..CD/DVD ROM thibune naththan Hard disk eke balala eke OS eke file thibunoth eka RAM ekata load karanawa.Hard Disk eketh thibune naththan Pen drive ekak plug karala thiyanawanam eke hoyanawa..