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Installing the Power-Switch Board - Vostro 3055
Installing the Power-Switch Board Connect the power-switch cable to the power-switch board. Insert the power-switch board into its slot on the computer. Install: back cover optical-disk drive stand Follow the procedures in After Working Inside Your Computer .

Assigning a System Password and Setup Password - Vostro 3055
Assigning a System Password and Setup Password You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup Password only when Password Status is Unlocked. If the Password Status is Locked, you cannot change th...

Contacting Dell - Vostro 3055

Global System Status not retrieved for Dell devices - Dell Smart Plug-in Version 4.1 For HP Operations Manager 9.0 For Microsoft Windows
Global System Status not retrieved for Dell devices Problem The Dell Server Scheduled Status Poll policy does not retrieve the global system status of the classified Dell devices until the devices are grouped under the Dell Managed Systems group. Solution The...

Removing the Coin-Cell Battery - Precision 15 5520
Removing the Coin-Cell Battery Follow the procedures in Before Working Inside Your Computer . CAUTION:Removing the coin-cell battery re-sets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cell battery....

Removing the Keyboard - Precision 15 5520
Removing the Keyboard Follow the procedures in Before Working Inside Your Computer . Remove the:base coverbatteryfansheatsinkSSDmemory modulesystem boardPerform the following steps to disconnect the keyboard and backlight connectors from the computer. Lift up...

Removing the Fans - Precision 15 5520
Removing the Fans Follow the procedures in Before Working Inside Your Computer . Remove the:Base coverbatteryPerform the following steps to remove the left video-card fan: Disconnect the fan cable from the system board [1]. Remove the two M2x4 screws that sec...

Installing the Fans - Precision 15 5520
Installing the Fans Perform the following steps to install the system fan: Align the screw holes on the left fan with the screw holes on the palm-rest assembly. Connect the left fan cable to the system board. Route the display cable through the routing guides...

Heat sink - Precision 15 5520

Installing the Heatsink - Precision 15 5520
Installing the Heatsink Align the screw holes on the heatsink with the screw holes on the system board. Replace the screws to secure the heatsink to the system board. Install the: battery base cover Follow the procedures in After Working Inside Your Computer.

Power connector port - Precision 15 5520

Installing the DC-in Adapter Port - Precision 15 5520
Installing the DC-in Adapter Port Place the DC-in adapter port into the slot on the palm-rest assembly. Route the power-adapter port cable through its routing guides on the palm-rest assembly. Replace the M2x3 screw that secures the power-adapter port to the ...

Installing the Display Assembly - Precision 15 5520
Installing the Display Assembly Place the palm-rest assembly at the edge of the table with the speakers facing away from the edge. Align the screw holes on the palm-rest assembly with the screw holes on the display hinges. Replace the six M2.5 x 5 screws that...

Removing the System Board - Precision 15 5520
Removing the System Board Follow the procedures in Before Working Inside Your Computer . Remove the:base coverbatteryfansheatsinkSSDmemory moduleNOTE: Your computer’s Service Tag is located under the system badge flap. You must enter the Service Tag in the BI...

Diagnostics - Precision 15 5520
Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data...

Enhanced Pre-Boot System Assessment (ePSA) diagnostics - Precision 15 5520
Enhanced Pre-Boot System Assessment (ePSA) diagnostics The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnosti...

System Setup Options - Precision 15 5520
System Setup Options NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear. Table 1. Main Option Description System Time/Date Allows you to set the date and time. BIOS Version Displays the BIOS vers...

Contacting Dell - Precision 15 5520
Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Avail...

Removing and installing components - Precision 15 5520
Removing and installing components This section provides detailed information on how to remove or install the components from your computer.

Base cover - Precision 15 5520
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