Dell 1555 Communication Cards, Subscriber Identity Module, Wireless Mini-Cards, Removing the SIM

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Communication Cards

Dell Studio™ 1555 Service Manual

Subscriber Identity Module

Wireless Mini-Cards

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.

CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.

CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working inside the computer.

Subscriber Identity Module

Subscriber Identity Modules (SIM) identify users uniquely through an International Mobile Subscriber Identity.

Installing the SIM

1.Follow the instructions in Before You Begin.

2.In the battery bay, slide the SIM into the compartment.

1 SIM 2 battery bay

Removing the SIM

Press the SIM into the slot to release it. When it is partially ejected, remove the SIM from the battery bay.

Wireless Mini-Cards

NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell.

Your computer supports three Mini-Card slots:

•Two full Mini-Card slots – for WWAN, WPAN, UWB, Bluetooth®

•One half Mini-Card slot – for WLAN

NOTE: Depending on the configuration of your system, one or more of the Mini-Cards might not be present.

The types of Mini-Cards supported are:

•Wireless Local Area Network (WLAN) — Half Mini-Card

•Ultra Wide Band (UWB) — Full Mini-Card

•Mobile broadband or Wireless Wide Area Network (WWAN) — Full Mini-Card