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CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless

module authorized for use in the computer by the governmental agency that regulates wireless

devices in your country or region. If you replace the module and then receive a warning message,

remove the module to restore computer functionality, and then contact technical support through Help

and Support.

Before removing the WWAN module, follow these steps:

1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn

the computer on, and then shut it down through the operating system.

2. Disconnect all external devices connected to the computer.

3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet

and then unplugging the AC adapter from the computer.

4. Remove the battery (see

Battery on page 48).

5. Remove the switch cover and keyboard (see

Switch cover and keyboard on page 49).

Remove the WWAN module:

1. Position the computer right-side up with the front toward you.

2. Remove the protective gasket that is adhered to the top of the WWAN module.

3. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.

NOTE: The red WWAN antenna cable is connected to the WWAN module “Main” terminal. The

blue WWAN antenna cable is connected to the WWAN module “Aux” terminal. The terminals

and cables are both identified by number and color.

62 Chapter 4 Removal and replacement procedures

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General

Graphics	ATI Mobility Radeon HD 4250
Processor	AMD Turion II, AMD Athlon II
Display	15.6-inch diagonal LED-backlit HD anti-glare (1366 x 768 resolution)
Memory	Up to 8 GB DDR3
Storage	250GB, 320GB, 500GB HDD
Operating System	Genuine Windows 7 Professional, Genuine Windows 7 Home Premium, Genuine Windows 7 Home Basic
Battery	6-cell Lithium-Ion
Chipset	AMD M880G
Optical Drive	DVD+/-RW SuperMulti DL
Wireless	802.11b/g/n, Bluetooth 2.1
Audio	Integrated stereo speakers, Integrated microphone
Ports	3 USB 2.0, VGA, HDMI, RJ-45, headphone/microphone combo jack
Card Reader	SD/MMC
Webcam	2 MP Webcam