Related Manuals for Dell Inspiron 7746
Summary of Contents for Dell Inspiron 7746
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Page 1: Service Manual
Inspiron 17 7000 Series Service Manual Computer model: Inspiron 7746 Regulatory model: P24E Regulatory type: P24E002... - Page 2 ____________________ Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell™ and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.
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Page 3: Table Of Contents
Contents Before Working Inside Your Computer ..Before You Begin ......Safety Instructions . - Page 4 Removing the Keyboard ....Prerequisites ......Procedure .
- Page 5 Removing the USB Board ....Prerequisites ......Procedure .
- Page 6 ......Getting Help and Contacting Dell ... .
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Page 7: Before Working Inside Your Computer
Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. Before You Begin Save and close all open files and exit all open applications. Shut down your computer. Microsoft Windows 8: Move your mouse pointer to the upper-right or lower-right corner of the screen to open the charms sidebar, and then click or tap Settings→... -
Page 8: Safety Instructions
CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. -
Page 9: After Working Inside Your Computer
After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and make sure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer. -
Page 10: Removing The Battery
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Close the display and turn the computer over. - Page 11 Remove the screws that secure the battery to the computer base. Using the pull tab, lift the battery out of the computer base. screws (2) pull tab battery Removing the Battery...
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Page 12: Replacing The Battery
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the battery with the screw holes on the computer base and place the battery on the computer base. -
Page 13: Removing The Memory Module(S)
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. - Page 14 Carefully spread apart the securing clips on each end of the memory-module slot until the memory module pops up. Remove the memory module from the computer. memory-module slot securing clips (2) memory module Removing the Memory Module(s)
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Page 15: Replacing The Memory Module(S)
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory-module slot. -
Page 16: Removing The Optical Drive
"Before Working Inside Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/ regulatory_compliance. Prerequisites Remove the battery. - Page 17 Remove the screw that secures the optical-drive assembly to the computer base. Using a plastic scribe, push the optical-drive assembly out of the optical-drive bay. optical-drive assembly screw plastic scribe Remove the screw that secures the optical-drive bracket to the optical drive and remove the optical-drive bracket.
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Page 18: Replacing The Optical Drive
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the optical-drive bezel to the optical-drive. -
Page 19: Removing The Hard Drive
"After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in Sleep or On state. - Page 20 Remove the screws that secure the hard-drive cage to the hard drive assembly. Using the pull-tab, lift the hard-drive cage off the hard drive. pull tab hard-drive cage hard drive screws (4) Removing the Hard Drive...
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Page 21: Replacing The Hard Drive
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Hard drives are extremely fragile. Exercise care when handling the hard drive. -
Page 22: Removing The Keyboard
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. - Page 23 Using a plastic scribe, gently release the keyboard from the tabs on the palm-rest assembly. tabs (5) plastic scribe palm rest keyboard Removing the Keyboard...
- Page 24 Carefully turn the keyboard over and place it on the palm rest. Lift the latch and disconnect the keyboard cable from the system board. Lift the latch and disconnect the keyboard-backlight cable from the system board. Lift the keyboard off the palm rest. keyboard cable latches (2) keyboard-backlight cable...
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Page 25: Replacing The Keyboard
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the keyboard-backlight cable into the keyboard-backlight cable slot and press down the latch to secure the cable. -
Page 26: Removing The Base Cover
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. -
Page 27: Procedure
Procedure Remove the screws that secure the base cover to the computer base screws (2) Close the display and turn the computer over. Removing the Base Cover... - Page 28 Remove the screws that secure the base cover to the computer base. screws (8) base cover Pry the base cover away from the computer base. base cover plastic scribe Removing the Base Cover...
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Page 29: Replacing The Base Cover
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Place the base cover on the computer base and snap it in place. -
Page 30: Removing The Coin-Cell Battery
"After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cell battery. -
Page 31: Replacing The Coin-Cell Battery
"After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. WARNING: The battery may explode if installed incorrectly. Replace the battery only with the same or equivalent type. Discard used batteries according to the manufacturer’s instructions. -
Page 32: Removing The Wireless Card
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. - Page 33 Slide and remove the wireless card from the mini-card connector. antenna cables (2) wireless mini-card wireless mini-card slot Removing the Wireless Card...
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Page 34: Replacing The Wireless Card
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless mini-card, make sure that no cables are placed under the wireless mini-card. -
Page 35: Removing The Cooling Assembly
"Before Working Inside Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/ regulatory_compliance. Prerequisites Remove the battery. - Page 36 Disconnect the fan cable from the system board. In sequential order, (indicated on the cooling assembly), loosen the captive screws that secure the cooling assembly to the system board. Lift the cooling assembly off the system board. captive screws (6) cooling assembly fan cable Removing the Cooling Assembly...
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Page 37: Replacing The Cooling Assembly
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screws on the cooling assembly with the screw holes on the system board. -
Page 38: Removing The Usb Board
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. - Page 39 Lift the connector latch and disconnect the USB-board cable from the USB board. Lift the USB board off the computer base. screw USB board connector latch USB-board cable Removing the USB Board...
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Page 40: Replacing The Usb Board
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the USB-board cable to the USB board and press down the latch to secure the cable. -
Page 41: Removing The Speakers
Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. - Page 42 Disconnect the speaker cable from the system board. Peel off the tape that secures the speaker cable to the system board. Peel off the tape that secures the speaker to the computer base. Lift the speakers, along with the speaker cable, off the computer base. speaker cable tape speakers (2)
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Page 43: Replacing The Speakers
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Using the alignment posts on the computer base, place the speakers in position. -
Page 44: Removing The System Board
"After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in System Setup after you replace the system board. -
Page 45: Procedure
Procedure CAUTION: Place the laptop on a clean and soft surface to prevent damage to the bottom part of the laptop. Turn the computer over, and open the display. Lift the latch and disconnect the status-light cable. Lift the latch and disconnect the touchpad cable. Lift the latch and disconnect the power-button cable. - Page 46 Turn the computer over. Lift the connector latch and, using the pull-tab, disconnect the USB-board cable from the system board. Disconnect the speaker cable from the system board. Disconnect the hard-drive cable from the system board. Disconnect the power-adapter port cable from the system board. Disconnect the camera cable from the system board.
- Page 47 Lift the system-board off the computer base. screw system-board Removing the System Board...
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Page 48: Replacing The System Board
"After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the system setup after you replace the system board. -
Page 49: Postrequisites
Entering the Service Tag in the BIOS Turn on (or restart) your computer. Press F2 when the DELL logo is displayed to enter the BIOS setup program. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field. -
Page 50: Removing The Display Assembly
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. - Page 51 Place the computer on the edge of the table with the palm rest on the table so that the display assembly extends past the table edge with the display hinges facing up. Remove the screws that secure the display hinges to the palm-rest assembly. palm-rest assembly screws (4) display hinges (2)
- Page 52 Lift the palm-rest away from the display assembly. display assembly Removing the Display Assembly...
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Page 53: Replacing The Display Assembly
"After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Place the palm rest at the edge of the table with the speakers facing away from the edge. -
Page 54: Removing The Power-Adapter Port
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. -
Page 55: Procedure
Procedure Release the power-adapter port cable from the routing guides on the computer base. Remove the screw that secures the power-adapter port to the base. Lift the power-adapter port, along with its cable, off the computer base. routing guides screw power-adapter port power-adapter port cable Removing the Power-Adapter Port... -
Page 56: Replacing The Power-Adapter Port
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the power-adapter port into position. -
Page 57: Removing The Palm Rest
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 10. -
Page 58: Procedure
Procedure Note the hard-drive cable routing and remove the hard-drive cable from the routing guides along the palm rest. Peel off the USB-board cable from the palm rest. palm rest USB-board cable hard-drive cable palm rest Removing the Palm Rest... -
Page 59: Replacing The Palm Rest
Your Computer" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance Procedure Route the hard drive cable through the routing guides on the palm-rest assembly. -
Page 60: Flashing The Bios
You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on the computer. Go to dell.com/support. If you have your computer's Service Tag, type your computer's Service Tag and click Submit. -
Page 61: Getting Help And Contacting Dell
Getting Help and Contacting Dell Self-Help Resources You can get information and help on Dell products and services using these online self- help resources: Self-Help Information Self-Help Options Accessing Windows Help Windows 8.1 — Open the Search charm, type Help and Support in the search box and press Enter.