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NB-1401 CPU & RAM upgrade step by step 1. Rmove the mylar on the bottom 2. Loosen the 4 screws. Marked as blue circle is the longer screw, red is 3. Disassemble the top cover after loosen the scews. 4. Remove the keyboard and connecter.
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5. Loosen the 2 screws and disassemble the protective cover. 6. Push the optical drive to the left and loosen the 4 screws on CPU heat sink by sequence. 7. Turn the screw to the right to releax the CPU socket. NB-1401 HDD upgrade step by step 1.
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2. Remove the conver to change the HDD unit.