Dell Inspiron 3500 System Reference Manual page 102

Diskette Drive Disassembly: Dell™ Inspiron™ 3500 Portable Computer
CAUTION: The following procedure should be performed only by depot repair technicians.
Type of Screw Torque
FPH 2.5 x 4 (2) 2.5–3.0 kgf-cm
To disassemble the diskette drive, perform the following steps:
1. Remove the diskette drive from the options bay.
2. Remove the two 4-mm screws from the top of the diskette drive assembly.
3. Carefully unsnap the upper plastic from the lower plastic.
The upper plastic is held in place by a series of internal plastic tabs around the edge of the holder.
4. Lift the diskette drive out of the lower plastic.
The metal bracket for the connector may lift out as you remove the diskette drive.