Dell Studio 1745 Manual de usuario

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DellStudio™1745/1747ServiceManual 
Notes, Cautions, and Warnings 
Information in this document is subject to change without notice. 
©2009DellInc.Allrightsreserved. 
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. 
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under 
license; Microsoft,Windows, Windows Vista, and Windows Vista start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or 
other countries. 
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any 
proprietary interest in trademarks and trade names other than its own. 
RegulatoryModelP02ESeriesRegulatoryTypeP02E001 
August 2009 Rev. A00 
Before You Begin 
Battery 
Base Cover 
Hard Drive(s) 
Memory Module(s) 
Wireless Mini-Card 
Coin-Cell Battery 
Center Control Cover 
Keyboard 
Media Controls Board 
Display 
Camera 
Power Button Board 
Palm Rest 
Internal Card With Bluetooth®Wireless Technology 
Thermal Fan 
Media Card Reader Board 
Optical Drive 
USB Board 
Speakers 
System Board 
Processor Heat Sink 
Processor Module 
TV Antenna Cable Assembly 
Subwoofer Assembly 
AC Adapter Connector 
Battery Latch Assembly 
Flashing the BIOS 
NOTE: A NOTE indicates important information that helps you make better use of your computer. 
 
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. 
 
WARNING: A WARNING indicates a potential for property damage, personal injury, or death. 

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AC Adapter Connector

DellStudio™1745/1747ServiceManual

Removing the AC Adapter Connector

Replacing the AC Adapter Connector



Removing the AC Adapter Connector



1. Follow the procedures in Before You Begin.



2. Remove the subwoofer assembly (see Removing the Subwoofer Assembly).



3. Make a note of the AC adapter connector cable routing and lift the AC adapter connector out of the computer base.

Replacing the AC Adapter Connector



1. Follow the procedures in Before You Begin.



2. Route the AC adapter connector cable and place the AC adapter connector on the computer base.



3. Replace the subwoofer assembly (see Replacing the Subwoofer Assembly).

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

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: 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 avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on your computer).

CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the

computer.

AC adapter connector

AC adapter connector cable

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Base Cover

DellStudio™1745/1747ServiceManual

Removing the Base Cover

Replacing the Base Cover



Removing the Base Cover



1. Follow the procedures in Before You Begin.



2. Remove the battery (see Removing the Battery).



3. Remove the six screws that secure the base cover to the computer base.



4. Lift the base cover off the computer at an angle as shown in the following illustration.

Replacing the Base Cover



1. Follow the procedures in Before You Begin.



2. Align the four tabs on the base cover with the slots on the computer base and gently snap it into place.



3. Replace the six screws that secure the base cover to the computer base.



4. Replace the battery (see Replacing the Battery).

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

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: 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 avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on your computer).

CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the

computer.

screws (6)

base cover

tabs (4)



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Battery Latch Assembly

DellStudio™1745/1747ServiceManual

Removing the Battery Latch Assembly

Replacing the Battery Latch Assembly



Removing the Battery Latch Assembly



1. Follow the procedures in Before You Begin.



2. Remove the subwoofer assembly (see Removing the Subwoofer Assembly).



3. Remove the three screws that secure the battery latch assembly to the computer base.



4. Using a small screwdriver, remove the latch spring on the battery latch assembly.



5. Lift the battery latch assembly out of the computer base.

Replacing the Battery Latch Assembly



1. Follow the procedures in Before You Begin.



2. Place the battery latch assembly on the computer base.



3. Using a small screwdriver, place the latch spring over the hook on the computer base.



4. Replace the three screws that secure the battery latch assembly to the computer base.



5. Replace the subwoofer assembly (see Replacing the Subwoofer Assembly).

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: 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 avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on your computer).

CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the

computer.

screws (3)

battery latch assembly

latch spring



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

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Before You Begin

DellStudio™1745/1747ServiceManual

Recommended Tools

Turning Off Your Computer

Before Working Inside Your Computer

This manual provides procedures for removing and installing components in your computer. Unless otherwise noted, each procedure assumes that the

following conditions exist:

lYou have performed the steps in Turning Off Your Computer and Before Working Inside Your Computer.

lYou have read the safety information that shipped with your computer.

lA component can be replaced or—if purchased separately—installed by performing the removal procedure in the reverse order.

Recommended Tools

The procedures in this document may require the following tools:

lSmall flat-blade screwdriver

lPhillips screwdriver

lPlastic scribe

lBIOS upgrade CD or the BIOS executable update program available on the Dell Support website at support.dell.com

Turning Off Your Computer



1. Save and close all open files and exit all open programs.



2. Shut down the operating system:

Windows®Vista:

Click Start , click the arrow , and then click Shut Down.

Windows®7:

Click Start and then click Shut Down.



3. Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the

power button until the computer turns off.

Before Working Inside Your Computer

Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety.



CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

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 a connector on your computer).

CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal

mounting bracket. Hold a component such as a processor by its edges, not by its pins.

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: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking

tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep

them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented

and aligned.

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

1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.



2. Turn off your computer (see Turning Off Your Computer) and all attached devices.



3. Disconnect all telephone or network cables from the computer.



4. Press and eject any installed cards from the ExpressCard slot or the 8-in-1 media card reader.



5. Disconnect your computer and all attached devices from their electrical outlets.



6. Disconnect all attached devices from your computer.



7. Remove the battery (see Removing the Battery).



8. Turn the computer top-side up, open the display, and press the power button to ground the system board.

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

CAUTION: To avoid damaging the computer, perform the following steps before you begin working inside the computer.

CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.

CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working

inside the computer.

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Flashing the BIOS

DellStudio™1745/1747ServiceManual

Flashing the BIOS From a CD

Flashing the BIOS From the Hard Drive

If a BIOS upgrade CD is provided with the new processor or new system board, flash the BIOS from the CD. If you do not have a BIOS upgrade CD, flash the

BIOS from the hard drive.

Flashing the BIOS From a CD



1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.



2. Insert the BIOS upgrade CD, and restart the computer.

Follow the procedures that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the

computer will automatically restart.



3. Press <F2> during POST to enter the system setup program.



4. Press <Esc> and then click Load Setup Defaults and click Yes in the pop-up window to reset the computer defaults.



5. Remove the BIOS upgrade CD from the drive.



6. Select Exit Saving Changes and select Yes in the pop-up window to save configuration changes.



7. The BIOS upgrade finishes and the computer restarts automatically.

Flashing the BIOS From the Hard Drive



1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.



2. Turn on the computer.



3. Go to the Dell Support website at support.dell.com.



4. Click Drivers & Downloads®Select Model.



5. Select the type of product in the Select Your Product Family list.



6. Select the product brand in the Select Your Product Line list.



7. Select the product model number in the Select Your Product Model list.



8. Click Confirm.



9. A list of results appear on the screen. Click BIOS.



10. Click Download Now to download the latest BIOS file.

The File Download window appears.



11. Click Save to save the file on your desktop. The file downloads to your desktop.



12. Click Close if the Download Complete window appears.

The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.



13. Double-click the file icon on the desktop and follow the procedures on the screen.

NOTE: If you use a BIOS upgrade CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD.

NOTE: If you have selected a different model and want to start over again, click Start Over on the top right of the menu.

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

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Internal Card With Bluetooth®Wireless Technology

DellStudio™1745/1747ServiceManual

Removing the Bluetooth Card

Replacing the Bluetooth Card



If you ordered a card with Bluetooth wireless technology with your computer, it is already installed.

Removing the Bluetooth Card



1. Follow the procedures in Before You Begin.



2. Remove the battery (see Removing the Battery).



3. Remove the center control cover (see Removing the Center Control Cover).



4. Remove the keyboard (see Removing the Keyboard).



5. Remove the media controls board (see Removing the Media Controls Board).



6. Remove the palm rest (see Removing the Palm Rest).



7. Remove the screw that secures the Bluetooth card to the system board.



8. Lift the Bluetooth card to disconnect it from the system board connector.

Replacing the Bluetooth Card



1. Follow the procedures in Before You Begin.



2. Align the connector on the Bluetooth card with the connector on the system board and press the Bluetooth card until it is fully seated.



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: 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 avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal

surface (such as a connector on your computer).

CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the

computer.

Bluetooth card

system board connector

screw



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