sound through headphones but not through inbuilt speakers

Why would speakers sound scratchy, but headphones and external cabled speakers sound OK? I have a Dell Studio 15 (1555) running windows 7 Professional. 236GB used, 214GB free space Intel P8700 2.53 GHz Processor 64 bit OS 4GB memory The built-in speakers used to sound good but now they are...

Apologies in advance I am not computer savvy. For months I have used my headphones without problem. At the weekend I unplugged them and connected my Phillips speakers which worked fine. Later that day I swapped back and the sound has vanished. I tried reconnecting the speakers and now they...

I'm renting from someone living in his house with 2 other people next room over. Audio plays out of my speakers whether my head phone is plugged in or not so I know its not the head phone age. I use the front jack for the headphone. The computer doesn't list my headphone either in the available...

Hi, I have the following problem with new Compaq 515 with Windows 7: when headphones are connected to the headphone jack, the laptop speakers will not disable and headphones or external speakers woun't work. The laptop recognizes headphones (test sounds are coming through) and they can be...

On my brand new Asus laptop, I have not been able to figure out how to get sound out of my headphones when I plug them in. On my old laptop, if I plugged in the headset, sound went there automatically. Not on the new computer. The headset I have has a USB plug. I was able to get sound out of them...