1st of all you check the sound card driver is install in the system.and also know Manufacturer name .
you can download sound drivers from this site. Sound Card Drivers
1.once you instal the driver means find the crystal eye from inside of program file-crystal eye
2.if you didn't instal means visit www.acer.co.in and then service and suppor and then driver download and then notebook and then your laptop series and then model number and then choose correct opertaing system and with
correct bit(weather it 32 or 64).
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Replacing your hard drive won't fix a sound problem. And what do you need a driver for? The new drive? Or do you want the sound drivers for your motherboard? What is your motherboard make and model? You've not given enough information to try to help you.
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