having the same issue

To do it on the keyboard, hold down Fn and then press F3 (turn down), F4 (turn up) or F2 (to mute). Hope this helped.

dnt knw........

In the lower right corner of your task bar there is a speaker icon. Right click it, select open volume mixer and you should be able to gain a couple bars of volume by raising the bar all the way up.

In the lower right corner of your task bar there is a speaker icon. Right click it, select open volume mixer and you should be able to gain a couple bars of volume by raising the bar all the way up. If in ITunes select the view tab, select show equalizer. The band on the far left is the equalizer. Ensure that it is checked on and raise the bar up. Should give you a considerable volume boost.

we can put C.D n the psp go

You can`t add RAM into your PSP. You can add storage via MemoryStick.

it is possible to add RAM to the psp, But you would need a custom firmware and the RAM chip would have to be soldered in place of the old RAM chip

How much memory your Windows OS will recognize depends on which version of Windows you are running. 32-bit versions of Windows will see (and utilize) only 3GB or 3.5GB. To utilize more memory, install a 64-bit version of your OS. More information about OS memory maximums can be found at http://www.crucial.com/kb/answer.aspx?qid=4251.Increasing memory will be better for downloading applications

You can put 1 gb of ddr266 in your sony laptop.