Dell 1525 - Inspiron - Pentium Dual Core 1.86 GHz Manuale utente

Dell™Inspiron™1525/1526ServiceManual

Notes, Notices, and Cautions

Information in this document is subject to change without notice.

©2007–2008DellInc.Allrightsreserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and Inspiron are trademarks of Dell Inc.; Microsoft, Windows, and Windows Vista 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.

Model PP29L

January2008Rev.A00

Before You Begin

Subscriber Identity Module (Optional)

ExpressCards

Using the Memory Card Reader

Optical Drive

Hard Drive

Center Control Cover

Internal Card With Bluetooth®Wireless Technology

Keyboard

Button Board

Memory

Display

Speaker Assembly

Palm Rest

ExpressCard Cage

Processor Thermal-Cooling Assembly

Processor Module

Wireless Mini-Cards

System Board Assembly

Coin-Cell Battery

Battery Latch Assembly

Flashing the BIOS

Pin Assignments for I/O Connectors

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates potential for property damage, personal injury, or death.

Back to Contents Page

Before You Begin

Dell™Inspiron™1525/1526ServiceManual

Recommended Tools

Before Working Inside Your Computer

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

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

lYou have read the safety information in your Dell Product Information Guide.

lWhen replacing a component, you have already removed the original, if installed.

Recommended Tools

The procedures in this document may require the following tools:

lSmall flat-blade screwdriver

lPhillips screwdriver

lSmall plastic scribe

lFlash BIOS update (see the Dell Support website at support.dell.com)

Before Working Inside Your Computer

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



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



2. Click Start , click the arrow icon, and then click Shut Down to turn off your computer.



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



4. Disconnect any telephone or network cables from the computer.



5. Remove any installed cards from the ExpressCard slot (see Removing an ExpressCard or Blank) and the 8-in-1 memory card reader (see Removing a

Memory Card or Blank).



6. Turn the computer over.



NOTE: The color of your system and certain system components may appear differently than shown in this document.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformationGuide.

NOTICE: 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.

NOTICE: 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 the back of the computer.

NOTICE: 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.

NOTICE: When disconnecting a cable, pull on the cable's connector or on its strain-relief loop, not on the cable itself. For cable connectors with locking

tabs, press inward on the locking tabs to release the connector. When connecting a cable, ensure that the connectors are correctly oriented and

aligned to avoid damage to the connector and/or the connector's pins.

NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the operating system,

press and hold the power button for 4 seconds.

NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.

NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you service the computer.

NOTE: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell

computers.

7. Slide the battery release latch until they click into place.



8. Slide the battery out of the battery bay.



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

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

battery

battery release latch

Back to Contents Page

Flashing the BIOS

Dell™Inspiron™1525/1526ServiceManual

Flashing the BIOS From a CD

Flashing the BIOS From the Hard Drive

If a BIOS-update program CD is provided with a new system board, flash the BIOS from the CD. If you do not have a BIOS-update program 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-update program CD, and turn on the computer.

Follow the instructions 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 reboot.



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



4. Press <Alt> and <f> to reset the computer defaults.



5. Press <Esc>, select Save/Exit, and press <Enter> to save configuration changes.



6. Remove the flash BIOS update program CD from the drive and restart the computer.

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. Locate the latest BIOS update file for your computer at support.dell.com.



4. Click Download Now to download the file.



5. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.

The File Download window appears.



6. Click Save this program to disk, and then click OK.

The Save In window appears.



7. Click the down arrow to view the Save In menu, select Desktop, and then click Save.

The file downloads to your desktop.



8. 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.



NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.

NOTE: If you use a BIOS update program CD to flash the BIOS, press <F12> before inserting the CD so that you can set up the computer to boot from a

CD for one time only. Otherwise, you must enter the system setup program to change the default boot order.

NOTICE: Do not interrupt this process once it begins. Doing so may cause system damage.

NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.

9. Double-click the file icon on the desktop and follow the instructions on the screen.

Back to Contents Page



Back to Contents Page

Internal Card With Bluetooth®Wireless Technology

Dell™Inspiron™1525/1526ServiceManual



Removing the Internal Card With Bluetooth®Wireless Technology



1. Follow the procedures in Before You Begin.



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



3. Remove the screw securing the card.



4. Grasp the connector end of the card and slide it out from under the securing tabs.



5. Disconnect the cable from the card.



Replacing the Internal Card With Bluetooth®Wireless Technology



1. Connect the cable to the card.



2. Slide the card at an angle into the card compartment and replace the securing screw.



3. Replace the center control cover (see Replacing the Center Control Cover).

Back to Contents Page



CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: 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 the back of the computer).

NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the

computer.

card

securing screw

Back to Contents Page

Button Board

Dell™Inspiron™1525/1526ServiceManual



Removing the Button Board



1. Follow the procedures in Before You Begin.



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



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



4. Disconnect the button board cable from the system board.



5. Gently pry up the button board from the securing tabs starting from the top left corner.



Replacing the Button Board



1. To replace the button board, remove the palm rest (see Removing the Palm Rest).



2. Connect the button board cable to the system board.



3. Place the button board in position and gently press until the button board secures within the tabs.



4. Replace the keyboard (see Replacing the Keyboard).



5. Replace the center control cover (see Replacing the Center Control Cover).

Back to Contents Page



CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: 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 the back of the computer).

NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the

computer.

button board

button board cable

Back to Contents Page

Using the Memory Card Reader

Dell™Inspiron™1525/1526ServiceManual



Removing a Memory Card or Blank



Press the card into the slot to release it from the card reader. When it is partially ejected, remove the card.



Installing a Memory Card



You can install a memory card in the computer while the computer is running. The computer automatically detects the card.

Memory cards are generally marked with a symbol (such as a triangle or an arrow) or a label to indicate which end to insert into the slot. The cards are keyed

to prevent incorrect insertion. If card orientation is not clear, see the documentation that came with the card.



1. Hold the card with the top side of the card facing up.



2. Slide the card into the slot until the card is completely seated in its connector.

If you encounter too much resistance, do not force the card. Check the card orientation and try again.

The computer recognizes the memory card and automatically loads the appropriate device driver. If the configuration program tells you to load the

manufacturer's drivers, use the media that came with the memory card, if applicable.

Back to Contents Page



CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: Use the memory card configuration utility (click the icon in the notification area) to select a card and stop it from functioning before you

remove it from the computer. If you do not stop the card in the configuration utility, you may lose data.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

Back to Contents Page

Center Control Cover

Dell™Inspiron™1525/1526ServiceManual



Removing the Center Control Cover



1. Follow the procedures in Before You Begin.



2. Remove the two screws securing the center control cover from the battery bay.



3. Turn the computer top side up, and open the display as far as it will open.



4. Insert a plastic scribe into the indent to lift the center control cover on the right side and ease the center control cover up.



5. Disconnect the cable from the media control buttons connector located underneath the center control cover.



6. Remove the center control cover.



7. Remove the two screws at the top of the keyboard.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: 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 the back of the computer).

NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the

computer.

center control cover

scribe

media control buttons connector

NOTICE: To avoid damage to the data cable connected to the system board, ensure that you do not pull hard when you are raising the center control

cover.

NOTICE: To avoid damage to the center control cover, do not lift the cover on both sides simultaneously.



8. Lift the keyboard and hold it up and slightly forward to access to the media control buttons connector.



9. Disconnect the media control buttons connector and remove the media control buttons cable.



Replacing the Center Control Cover



1. Reconnect the media control buttons cable to the connector below the keyboard.



2. Align the tabs along the bottom of the keyboard and slide them under the palm rest.



3. Press on the right edge near the top to snap the keyboard into place.



4. Replace the two screws on the top of the keyboard.



5. Reconnect the media control buttons connector to the center control cover.



6. Insert the left edge of the center control cover.



7. Press from left to right until the cover snaps into place.



8. In the battery bay, replace the two screws that secure the center control cover.

Back to Contents Page



NOTICE: The key caps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the

keyboard.

screws (2)

keyboard

keyboard tabs (5)

keyboard cable

keyboard connector latch

media control buttons connector

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