Dell Vostro 3490 Service Manual
Summary
The Dell Vostro 3490 Service Manual with regulatory model P89G provides component-level repair instructions for this 14-inch business laptop. It covers electrostatic discharge (ESD) protection, ESD field service kit requirements, and safe transport of sensitive components. Step-by-step removal and installation instructions detail all internal components with recommended tools. Technicians servicing the Vostro 3490 can follow the prerequisite-based disassembly workflow for efficient component rep
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Dell Vostro 3490 Service Manual
Regulatory Model: P89G Regulatory Type: P89G005
Page Summary Contents For Dell Vostro 3490 Service Manual
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Dell Vostro 3490 Service Manual Regulatory Model: P89G Regulatory Type: P89G005
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Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of d...
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Contents 1 Working on your computer............................................................................................................ Safety instructions........................................
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Removing the heatsink - discrete................................................................................................................................34 Installing the heatsink - discrete......
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3 System setup.............................................................................................................................83 Boot menu....................................................
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Working on your computer Safety instructions Prerequisites Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted...
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6. Press and hold the power button while the computer is unplugged to ground the system board. NOTE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodical...
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Working Environment – Before deploying the ESD Field Service kit, assess the situation at the customer location. For example, deploying the kit for a server environment is different than for a desktop...
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Removing and installing components Recommended tools The procedures in this document require the following tools: Phillips #0 screwdriver Phillips #1 screwdriver Plastic scribe NOTE: The #0 screw driv...
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Component Screw type Quantity Screw image Optical-drive connector board M2x2 Big Head Power-adapter port M2x2 Power-button board M2x3 Power button with fingerprint M2x2 reader (optional) Solid-state d...
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Installing the Secure Digital card Steps 1. Slide the secure digital into the slot until it clicks into place. 2. Follow the procedures in After working inside your computer. Removing and installing c...
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Base cover Removing the base cover Prerequisites 1. Follow the procedure in before working inside your computer 2. Remove the SD memory card Steps 1. Loosen the three captive screws [1]. 2. Remove the...
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3. Pry the base cover from the top-right corner [1] and continue to open the right side of the base cover [2]. 4. Lift the left side of the base cover and remove it off the system [3]. Removing and in...
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Installing the base cover Steps 1. Place the base cover on the palmrest and keyboard assembly [1]. 2. Press the right side of the base cover until it snaps into place [2, 3]. 3. Tighten the three capt...
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Next steps 1. Replace the SD memory card 2. Follow the procedure in after working inside your computer Battery Lithium-ion battery precautions CAUTION: Exercise caution when handling Lithium-ion batte...
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Removing the battery Prerequisites 1. Follow the procedure in before working inside your computer 2. Remove the SD memory card 3. Remove the base cover Steps 1. Disconnect the battery cable from the s...
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Next steps 1. Replace the base cover 2. Replace the SD memory card 3. Follow the procedure in after working inside your computer Memory modules Removing the memory module Prerequisites 1. Follow the p...
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Installing the memory module Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle [1]. 3. Press the memory ...
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Next steps 1. Connect the battery cable to the connector on the system board. 2. Replace the base cover 3. Replace the SD memory card 4. Follow the procedure in after working inside your computer WLAN...
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Installing the WLAN card About this task CAUTION: To avoid damage to the WLAN card, do not place any cables under it. Steps 1. Insert the WLAN card into the connector on the system board [1]. 2. Conne...
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Next steps 1. Connect the battery cable to the connector on the system board. 2. Replace the base cover 3. Replace the SD memory card 4. Follow the procedure in after working inside your computer Soli...
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4. Turn the thermal plate over. 5. Remove the single (M2x2) screw that secures the solid-state drive to the thermal plate [1]. 6. Lift the solid-state drive off the thermal plate [2]. Installing the M...
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3. Align the notch on the solid-state drive with the tab on the solid-state drive slot. 4. Slide and insert the tab of the solid-state drive into the solid-state drive slot [1, 2]. 5. Tighten the capt...
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Removing the M.2 2280 Solid-state drive or Intel Optane memory - Optional Prerequisites 1. Follow the procedure in before working inside your computer 2. Remove the SD memory card 3. Remove the base c...
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Next steps 1. Connect the battery cable to the connector on the system board. 2. Replace the base cover 3. Replace the SD memory card 4. Follow the procedure in after working inside your computer Coin...
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Next steps 1. Connect the battery cable to the connector on the system board. 2. Replace the base cover 3. Replace the SD memory card 4. Follow the procedure in after working inside your computer Hard...
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4. Disconnect the interposer from the hard drive. 5. Remove the four (M3x3) screws that secure the hard drive bracket to the hard drive [1]. 6. Lift the hard drive bracket off the hard drive [2]. Remo...
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Installing the hard drive assembly Steps 1. Align the screw holes on the hard drive bracket with the screw holes on the hard drive [1]. 2. Replace the four (M3x3) screws that secure the hard drive bra...
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4. Align the screw holes on the hard drive assembly with the screw holes on the palm rest and keyboard assembly [1]. 5. Replace the four (M2x3) screws that secure the hard drive assembly to the palm r...
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System fan Removing the system fan Prerequisites 1. Follow the procedure in before working inside your computer 2. Remove the SD memory card 3. Remove the base cover 4. Disconnect the battery cable fr...
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Installing the system fan Steps 1. Align the screw holes on the fan with the screw holes on the palm rest and keyboard board assembly [1]. 2. Replace the two (M2x5) screws that secure the fan to the p...
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3. Route the display cable through the routing guides on the fan [1]. 4. Connect the display cable and fan cable to the system board [2, 3]. Next steps 1. Replace the hard drive assembly 2. Replace th...
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3. Replace the base cover 4. Replace the SD memory card 5. Follow the procedure in after working inside your computer Heat sink Removing the heatsink - UMA Prerequisites 1. Follow the procedure in bef...
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2. In sequential order (as indicated on the heatsink), tighten the four captive screws that secure the heatsink to the system board [2]. Next steps 1. Connect the battery cable to the connector on the...
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Installing the heatsink - discrete Steps 1. Place the heatsink on the system board and align the screw holes on the heatsink with the screw holes on the system board [1]. 2. Replace the three (M2x3) s...
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Next steps 1. Connect the battery cable to the connector on the system board. 2. Replace the base cover 3. Replace the SD memory card 4. Follow the procedure in after working inside your computer VGA ...
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Installing the VGA daughterboard Steps 1. Place the VGA daughterboard and align the screw holes on the VGA daughterboard with the screw holes on the palm rest and keyboard assembly [1]. 2. Replace the...
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Next steps 1. Connect the battery cable to the connector on the system board. 2. Replace the base cover 3. Replace the SD memory card 4. Follow the procedure in after working inside your computer Spea...
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3. Lift the speakers, along with the cable, off the palm rest and keyboard assembly [3]. Removing and installing components
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Installing the speakers About this task NOTE: If the rubber grommets are pushed out when removing the speakers, push them back in before replacing the speakers. Steps 1. Using the alignment posts and ...
Manual Details
| Brand | Dell |
|---|---|
| Pages | 96 |
| File Size | 14.09 MB |
| Published | June 28, 2026 |
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Frequently Asked Questions
What should I do before working inside my computer?
Observe ESD protection guidelines, transport sensitive components carefully, and follow safety instructions.
How do I troubleshoot Wi-Fi connectivity issues?
Perform a WiFi power cycle: turn off the PC, modem, and router; wait 30 seconds; then turn on the router, modem, and finally the PC.
If my computer is acting strangely after battery removal, how can I release flea power?
Disconnect the power adapter, press and hold the power button for 15 seconds to drain residual static electricity, then reconnect the power adapter and turn on the computer.
Where can I get technical support or contact Dell?
Visit Dell.com/support, select your support category, and verify your country or region for assistance.