Dell Inspiron 5421, Service Manual

Page: 15 / 127

2. Battery
3. Speakers
4. Memory module
5. Assembly inner frame
6. System board
7. Keyboard assembly
8. Palm-rest assembly
9. Display assembly
10. Battery LED board
11. Coin-cell battery
12. Power button/fingerprint board
13. Heat sink and fan assembly
14. Solid-state drive
15. WWAN card
16. WLAN card
NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These
parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for
purchase options.
SIM card tray
Removing the SIM card tray
Prerequisites
Follow the procedure in Before working inside your computer .
NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. The procedure
for removal is only applicable for systems that are shipped with a WWAN module.
CAUTION: Removing the SIM card with the computer turned on, may cause data loss or damage to the card.
Ensure that your computer is turned off or the network connections are disabled.
About this task
The following image provides a visual representation of the SIM card tray removal procedure.
Removing and installing components 15