These are some common tools used to work on this device. You might not need every tool for every procedure.
Identification and Background
The Dell Inspiron 9100 is a laptop designed for the user who doesn't want a full-size desktop PC. It was introduced in 2004 and, for its time, comes with an impressive array of hardware. It has a 2.8 GHz Pentium 4 processor and 256MB of RAM as well as a wireless card and DVD-drive.
Note: It is easy to confuse the Inspiron 9100 with the Inspiron XPS, which shares the same body as the 9100. To identify your laptop, look at disk drive tray. The Inspiron XPS laptop will have a DVD logo on it, while the Inspiron 9100 will not.
Diagnose what is wrong with your Dell Inspiron 9100. See the troubleshooting guide here
The following sites offer helpful information regarding the Inspiron 9100