Alienware m5550 user manual Here are some ways of taking care of your AC adapter

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Alienware Area-51 m5550 Technical Reference

Protecting Your Computer - Avoid Abusive Handling and Adverse Environments

Following the advice below will help ensure that you get the most out of your investment.

Your computer will serve you well if you take good care of it.

Do not expose the computer to direct sunlight or place it near sources of heat.

Do not subject it to temperatures below 0oC (32oF) or above 35oC (95oF).

Do not expose the computer to magnetic fields.

Do not expose the computer to moisture or rain.

Do not spill water or liquid on the computer.

Do not subject the computer to adverse shock and vibration.

Do not expose the computer to dust and dirt.

Do not place objects on top of the computer to avoid damaging the computer.

Do not place the computer on rocky surfaces.

Here are some ways of taking care of your AC adapter.

Do not connect the adapter to any devices other than your computer.

Do not let water get into the adapter.

Do not block the ventilation airway of the adapter.

Keep the adapter in a cool and ventilated place.

Do not step on the power cord or place heavy objects on top of it.

Carefully tuck away the power cord and any cables away from pedestrian traffic.

When unplugging the power cord, do not pull on the cord itself. Instead pull on the plug.

Keep the adapter away from children.

The total ampere ratings of the equipment plugged in should not exceed the ampere rating of the cord if you are using an extension cord.

The total current rating of all equipment plugged into a single wall outlet should not exceed the fuse rating.

Do not connect the other AC adapter to your notebook. This notebook exclusively uses the AC adapter: Liteon PA-1900-05 (90W), Liteon PA-1900- 06 (90W), Lishin LSE0202D2090 (90W), Lishin LSE0202C2090(90W)



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Contents Alienware Area-51 m5550 Technical Reference Table of Contents Bios Setup and Security Upgrading Your Computer Using This Manual Symbols and ConventionsPreface Here are some ways of taking care of your AC adapter When cleaning the computer, observe these steps Cleaning the Ventilation GrillsChapter Summaries Chapter ONE Getting to Know the Basics Performance Features Firewire IEEE1394 / 1394a and USB2.0 Ports Wireless LANEthernet Port System At a Glance Top View LCD LatchPower / Suspend Button Touch Pad Disable / Enable ButtonLED Status Indicator KeyboardInternet Explorer Quick Key Silent Mode ButtonOutlook Express Quick Key Windows Media Player Quick KeyBattery Pack Wireless On/Off SwitchPower Jack DC-in Front and Rear ViewVentilation Grill Kensington Lock Key HoleStereo Headphone / SPDIF-out Jack Audio Volume DialSide Views Microphone JackDVI-I Port Firewire / IEEE1394 / 1394a PortUSB2.0 Port TV S-Video PortExpressCard Slot Battery Pack and Battery Latch Bottom ViewHard Disk Drive Cover Alienware Area-51 m5550 Technical Reference System Device Cover Adapter DC-out ConnectorAC Adapter AC PlugSystem & Power Status Indicators Keyboard Features Function Keys Quick KeysApplication Menu Key Windows KeysStart Key Embedded Numeric KeypadTips on Using the Touch Pad Extending the Life of the TFT Display Device Adjusting the Display BrightnessGraphics Subsystem Opening and Closing the Display PanelAudio Subsystem ModemTo change the modem setting, do the following Chapter TWO Bios Setup and Security Feature Alienware Area-51 m5550 Technical Reference Entering the Bios Setup Screen Leaving the Bios Setup ScreenBios Action Keys Main Setup Modifying the Bios SettingsBoot Setup Boot Settings ConfigurationRealtek Boot Agent To boot from. If Realtek Disabled Security Setup Using Password ProtectionPower Setup Exit SetupChapter Three Battery Power & Power Management Battery Low-Power Warning Low Battery Warning Battery PackLithium-Ion Battery Very Low Battery WarningAlienware Area-51 m5550 Technical Reference Installing and Removing the Battery Pack To Remove the Battery PackTo Install the Battery Pack Charging the Battery and Charging TimeChecking the Battery Level Prolonging the Battery’s Life and Usage Cycles Using Windows Power Options Windows’ Power SchemesAlienware Area-51 m5550 Technical Reference Suspend Mode Standby SuspendHibernate Suspend Power Button Action Low Battery Warning Power Menu Quick Access Windows’ Power Plans Alienware Area-51 m5550 Technical Reference Suspend Mode Power Button Action M5550-04-2007-techref.indd 2007 122951 PM Power Menu Quick Access Chapter Four Upgrading Your Computer Upgrading the Hard Disk Drive Alienware Area-51 m5550 Technical Reference Alienware Area-51 m5550 Technical Reference Upgrading the System Memory Installing a memory module Dimm into the system Alienware Area-51 m5550 Technical Reference Adding a Mini-PCI Type Wireless LAN Card Optional Device Installing a Mini PCI Card into the System Replace the System Device Cover and 9 Screw D’s Chapter Five Troubleshooting Alienware Area-51 m5550 Technical Reference Audio Problems No speaker outputSound cannot be recorded Hard drive is making abnormal whining noises Hard Disk ProblemsHard disk drive does not work or is not recognizable Hard disk drive has reached its capacityHard disk takes longer to read a file Files are corruptedDrive does not read any disks Optical Drive ProblemsOptical drive does not work Disk cannot be ejectedScreen is difficult to read Display ProblemsDisplay panel is blank when the system is turned on Screen flickersBuilt-in touch pad performs erratically Keyboard and Mouse ProblemsCharacters on the screen repeat when I type Built-in keyboard accepts no inputCmos Battery Problem Memory ProblemsModem Problems Built-in modem does not respond Connection difficultiesNetwork Adapter / Ethernet Problems Ethernet adapter does not workPC Cards do not function PC Card / Pcmcia ProblemsWindows crashes or freezes when you remove the PC card PC card cannot be recognizedPerformance Problems Computer becomes hotProgram appears to have stopped or runs very slowly Firewire IEEE1394 and USB2.0 Problems USB device does not workIEEE1394 port does not work Appendix a Product Specifications Display Processor and Core LogicSystem Memory AudioLAN / Ethernet Firewire IEEE1394aModem StorageKeyboard & Touch pad Ports and ConnectorsBattery Pack / AC Adapter Express Card New Card & Multiple Card ReaderBios Physical SpecificationAppendix B Agency Regulatory Notices Connections to Peripheral Devices Federal Communications Commission NoticeModifications Declaration of ConformityEuropean Notice Canadian NoticePower Cord Requirement CanadaJapan Other Countries Battery Pack Safety Telephone Lines RequirementLaser Safety Lithium Battery Warning / Bridge Battery WarningConnecting to the Network EthernetCabling Restriction for Networks