Yes, but be careful not to damage the memory with static electricity. Wash your hands and install memory.
It used to be 256 Can you insert 5 12?
Yes, but to find out your memory model, sd and ddr memory can't be common.
How much is 5 12?
Around 300 yuan, the prices of various brands vary greatly.
Another is that the speaker is not broken, the sound is wrong, and it always sounds intermittent. What happened?
This has nothing to do with hardware. Maybe your computer has started too many programs. Use optimization software to optimize your system.