Android x86 on DELL INSPIRON 1501
Your device isn't listed in the list of supported notebooks, so it's not surprising that it doesn't work. You'll have to wait until it's supported.

Remember that the Android-x86 project is made by volunteers, so support for particular hardware depends on someone with the necessary skills having that hardware and an interest in making it work. You might be able to help speed the process along by buying a similar device for the project (that they can test on), or by helping to update documentation or such to help free their time for porting. If you want to help get your device supported faster, in the first instance you should contact their discussion group and ask what you can do to help.