dear experts, kindly mere help karen, mere pas core 2 duo 2.8 pc hay(motherboard dg31pr aur e7400 processor) aur 4 gb ki ram lagi hay (2+2), pc ka processor damage ho gaya tha magr market se 2.8 ka processor nahi mila to mene 2.66 e6750 ka processor lagya hay magr ab sirf 2 gb ki ram hi support ho rahi hay 4gb nahi chal rahi, shopkeeper ko bhi samajh nahi arahi,
jab win xp karta hoon to 4 gb support hoti hay lekin jab win 7 karta hoon to sirf 2 gb hi support karta hay. help me.