Dell Inspiron 7500 System Reference Manual page 72

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Combo Module Disassembly: Dell™ Inspiron™ 7500
The combo module contains either a CD-ROM drive, a DVD-ROM drive on top of a diskette drive, or DVD-ROM drive with a SuperDisk LS-120
module. The combo module resides in a carrier that slides into the Media bay on the left side of the computer.
To remove the CD-ROM drive or DVD-ROM drive from the plastic carrier, follow these steps:
1. Remove the combo module.
2. Remove the (2) 3-mm screws from the L-shaped bracket.
3. Remove the bracket.
4. Remove the (2) 3-mm screws from the side of the plastic carrier.
5. Remove the (2) 3-mm screws from the bottom of the plastic carrier.
6. Disconnect the flex cable from the CD-ROM/DVD-ROM drive connector.
7. Remove the CD-ROM/DVD-ROM drive from the plastic carrier.
Turn the carrier over with one hand and let the drive fall out of the carrier into your other hand.
To remove the side mounting bracket from the CD-ROM/DVD-ROM drive, follow these steps:
1. Remove the (2) 2.5-mm screws from the side of the CD-ROM/DVD-ROM drive.
2. Remove the side mounting bracket.
To remove the diskette drive from the plastic carrier, follow these steps:
1. Remove the (2) 3-mm screws from the top of the metal shielding carrier.
2. Remove the (2) 3-mm screws from the side of the plastic carrier.
NOTICE: The metal on the shielding carrier is sharp. Be careful not to cut yourself.
3. Lift the metal shielding carrier out of the plastic carrier.
Lift the back of the metal shielding carrier first and then slide it out.
4. Unsnap the metal latches along the top of the metal shielding carrier from the metal tabs on the bottom of the metal shielding carrier, and
then remove the top.
5. Remove the diskette drive from the metal shielding carrier.
6. Remove the flex cable from the diskette drive.
7. Remove the 3-mm screw securing the mounting ear from the diskette drive, and remove the mounting ear.