Assalam-o-alaikum

mera computer bar bar restart ho raha hai mery pas do rams hai ek 128mb ki aur ek 256mb ki hai jab mene chek karwaya to dokan dar ne kaha k ram ka masla hai to mene 256 ki ram leli dosri aur 128 nikal li kyun k us ne kaha k 128 ki ram masla kar rahi hai lekin jab me ghar aya to 256 ki ram kam nahi kar rahi thi bar bar system restart ho raha tha mene 128 ki laga li ram aur wo sahi chal rahi hai abhi tak to lekin ye bhi masla kar rahi hai kabi kabi kia karo ram ka masla hai ya bord ka plz hlep me mujhe to lag raha hai bord ka masla hai plz koi batay>>>>>