sys desplay prob plz help expert

[muskan GOHAR]

bahio kase ho app log main app logo se dhuia-w-slam ke bad ik swal poochu gi bahi sys display nahi de rah jub say ko reboot karte ho to ligth on hoti hain mugar sys display nahi deta aur nahi is se koi sound ati hain app batain ge kia musla nho sakta plzz help me

[ITKING]

sub ko bari bari try kerna
1) sub se pehley ap ram nikal ke check kuro.... beep aati hai???
2) os ke bahd Hard Drive ke cables utar lo aur on kuro phir kia display deta hia..
3) agar koi external card luga hua hia jaisa ke VGA, Sound, Modem.... os ko utar ke phir on kuroo

agar in main se koi b error nae to it means ke ap ke motherboard main problem hai jo ke repair krana purrey ga ap ko