Bitcoins didn't arrive to new wallet - Bitcoin Stack Exchange

I use Bitcoin-Qt. Decided to make another wallet and transfer some bitcoins there. Wanted to give that wallet to my friend as a gift. What I did was: renamed wallet.dat file to 1_wallet.dat; started Bitcoin-Qt it created new wallet.dat file; copied address of new wallet; renamed wallet.dat to 2_wallet.dat and 1_wallet.dat back to wallet.dat

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