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Dell Vostro 20–3055
Owner's Manual

Regulatory Model: W15B

Regulatory Type: W15B001

Summary of Contents for Vostro 20-3055

Page 1: ...Dell Vostro 20 3055 Owner s Manual Regulatory Model W15B Regulatory Type W15B001 ...

Page 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2015 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 res...

Page 3: ...simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an...

Page 4: ... computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver Phillips screwdriver Small plastic scribe Turnin...

Page 5: ...o turn them off After Working Inside Your Computer After you complete any replacement procedure ensure you connect any external devices cards and cables before turning on your computer 1 Replace the cover CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer 2 Connect any telephone or network cables to your computer 3 Connect your comput...

Page 6: ...ng the Stand 1 Follow the procedures in Before Working Inside Your Computer 2 Place the computer on a flat surface display facing downwards 3 Pry and remove the hinge cover from the computer 4 Perform the following steps as shown in the illustration a Remove the screws that secure the stand to the computer 1 b Slide the stand from the computer 2 6 ...

Page 7: ...ng the Stand 1 Align the stand on the computer and tighten the screws to secure the stand to the computer 2 Place and press the hinge cover on the computer until it clicks into place 3 Follow the procedures in After Working Inside Your Computer 7 ...

Page 8: ...he tab indicated using a scribe 1 b Slide the optical disk drive ODD out of the computer 2 4 Remove the screws that secure the optical disk drive bracket and remove it from the optical drive 1 2 Installing the Optical disk Drive 1 Tighten the screws to secure the optical disk drive bracket to the optical drive 2 Insert the optical disk drive into its slot until it clicks into place 8 ...

Page 9: ...g steps as shown in the illustration a Pry the edge of the base cover 1 b Remove the back cover from the computer 2 Installing the Back Cover 1 Align and press the back cover until it clicks into place 2 Install a optical disk drive b stand 3 Follow the procedures in After Working Inside Your Computer Removing the Hard Drive 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a...

Page 10: ...nnect the hard drive cable from the computer 1 b Remove the screw that secures the hard drive to the computer 2 c Slide the hard drive 3 4 Remove the hard drive from the computer 5 Remove the screws that secure the hard drive to the bracket lift the hard drive from bracket 1 2 10 ...

Page 11: ...ll a back cover b optical disk drive c stand 7 Follow the procedures in After Working Inside Your Computer Removing the Power Switch Board 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b optical disk drive c back cover 3 Perform the following steps as shown in the illustration a Press the locking tab that secures the power switch to the computer 1 b Lift the power...

Page 12: ...es in After Working Inside Your Computer Removing the System Board Shield 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b optical disk drive c back cover 3 Perform the following steps as shown in the illustration a Remove the screws that secure the system board shield to the computer 1 b Lift the system board shield from the computer 2 c Remove the system board sh...

Page 13: ...al disk drive c stand 3 Follow the procedures in After Working Inside Your Computer Removing the Memory 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b optical disk drive c back cover d system board shield 3 Pry the retention clips away from the memory module until it pops up Lift and remove the memory module from its connector 13 ...

Page 14: ...hield b back cover c optical disk drive d stand 4 Follow the procedures in After Working Inside Your Computer Removing the System Fan 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b optical disk drive c back cover d system board shield 3 Perform the following steps as shown in the illustration a Disconnect the system fan cable from the system board 1 b Remove the ...

Page 15: ...n cable to the system board 3 Install a system board shield b back cover c optical disk drive d stand 4 Follow the procedures in After Working Inside Your Computer Removing the Heatsink Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b optical disk drive c back cover d system board shield 3 Remove the screws that secure the heatsink assembly to the system b...

Page 16: ...stalling the Heatsink Assembly 1 Install the heatsink assembly and tighten the screws to secure it to the system board 2 Install a system board shield b back cover c optical disk drive d stand 3 Follow the procedures in After Working Inside Your Computer 16 ...

Page 17: ...attery and remove the coin cell battery from the computer 1 2 Installing the Coin Cell Battery 1 Insert the coin cell battery and press to lock it 2 Install a system board shield b back cover c optical disk drive d stand 3 Follow the procedures in After Working Inside Your Computer Removing the WLAN Card 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b optical disk...

Page 18: ...e to the black triangle and white cable to the white triangle 3 Place the WLAN holder and tightened the screw that secures the WLAN card to the system board 4 Install a stand b optical disk drive c back cover d system board shield 5 Follow the procedures in After Working Inside Your Computer Removing the Speakers 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b opt...

Page 19: ... speakers on the computer 2 Align the speaker cables through their tabs on the computer and connect the speaker cable to the system board 3 Install a system board shield b back cover c optical disk drive d stand 4 Follow the procedures in After Working Inside Your Computer 19 ...

Page 20: ...ell battery 10 Network connector 11 Power connector 12 Touch connector Optional 13 Power switch connector 14 Convertor board connector 15 Audio connector 16 Display assembly connector 17 Hard drive connector 18 Memory module 19 Optical drive connector 20 Hard drive Optical drive power connector 21 System fan connector Removing the System Board 1 Follow the procedures in Before Working Inside Your ...

Page 21: ...oard 1 2 3 a display assembly cable b system fan cable c hard drive cable d hard drive optical drive power cable e power switch cable f speaker cable g camera cable h convertor cable 4 Remove the screws that secure the system board to the computer Slide and remove the system board to release it from the computer 1 2 3 21 ...

Page 22: ...r cable 4 Install a memory optional b WLAN card c heatsink d system board shield e back cover f optical disk drive g stand 5 Follow the procedures in After Working Inside Your Computer Removing the Display Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a stand b optical disk drive c back cover d system board shield e hard drive f speakers g heatsink h system fan i...

Page 23: ...s shown in the illustration a Peel the power cable tape that secures the display assembly cable 1 b Unroute the WLAN and camera cables 2 5 Remove the screws that secure the display bracket to the computer Lift the display bracket 23 ...

Page 24: ...6 Pry the edges of the display assembly from the computer 7 Remove the display assembly from the computer 24 ...

Page 25: ...play bracket to the computer 3 Align the display assembly cable through the tabs on the display bracket 4 Install a system board b memory c WLAN card d system fan e heatsink f speakers g system board shield h hard drive i optical disk drive j back cover k stand 5 Follow the procedures in After Working Inside Your Computer 25 ...

Page 26: ...on Self Test POST when the Dell logo appears you can Access System Setup by pressing F2 key Bring up the one time boot menu by pressing F12 key The one time boot menu displays the devices that you can boot from including the diagnostic option The boot menu options are Removable Drive if available STXXXX Drive NOTE XXX denotes the SATA drive number Optical Drive Diagnostics NOTE Choosing Diagnostic...

Page 27: ...age that prompts you to save any unsaved changes and restarts the system F1 Displays the System Setup help file Setup Utility Options Main The Main tab lists out the primary hardware features of the computer The table below defines the function of each option System Time Resets the time on the computer s internal clock System Date Resets the date on the computer s internal calendar BIOS Version Di...

Page 28: ...y speed Advanced The Advanced tab allows you to set various functions that affect the performance of the computer The table below defines the function of each option and its default value Power Now Enable Allows you to enable or disable the Power Now Enable Default Enabled Virtualization Allows you to enable or disable the Virtualization Default Enabled Integrated NIC Allows you to enable or disab...

Page 29: ...e Allows you to enable or disable the Optical Device Default Enabled Boot Disable Allows you to enable or disable the Boot Disable Default Disabled USB Configuration Rear USB Ports Allows you to enable or disable the rear USB ports Default Enabled Side USB Ports Allows you to enable or disable the side USB ports Default Enabled USB debug Allows you to enable or disable the USB debug Default Disabl...

Page 30: ...ows you to manage the security features of the computer Unlock Setup Status Allows you to enable an Unlock Setup Status Default Unlocked Admin Password Status Allows you to set change or delete the administrator admin password status System Password Status Allows you to set change or delete the system password status HDD Passwords Status Allows you to set change or delete the password on the syste...

Page 31: ...m Files Allows you to Set KEY from Files from Factory Default Append an entry to KEK Allows you to Append KEK key from Factory Default Authorized Signature Database DB Delete the DB Allows you to Delete the DB Set DB from Files Allows you to Set DB from Files from Factory Default Append an entry to DB Allows you to Append DB key from Factory Default Authorized TimeStamps Delete the DBT Allows you ...

Page 32: ...oot device preference Boot Option 3 Allows you to select the 3rd boot device preference Exit This section allows you to save discard and load default settings before exiting from Setup Utility Save Changes and Reset Allows you to Save Changes and Reset default setting before exiting from Setup Utility Discard Changes and Reset Allows you to Discard Changes and Reset default setting before exiting ...

Page 33: ...S 9 Identify the latest BIOS file and click Download File You can also analyze which drivers need an update To do this for your product click Analyze System for Updates and follow the instructions on the screen 10 Select your preferred download method in the Please select your download method below window click Download File The File Download window appears 11 Click Save to save the file on your c...

Page 34: ... that you entered earlier and click OK 5 Select Setup Password type your system password and press Enter or Tab A message prompts you to re type the setup password 6 Type the setup password that you entered earlier and click OK 7 Press Esc and a message prompts you to save the changes 8 Press Y to save the changes The computer reboots Deleting or Changing an Existing System and or Setup Password E...

Page 35: ...6 Press Y to save the changes and exit from the System Setup The computer reboots 35 ...

Page 36: ...ssor type AMD E2 7110 AMD A6 7310 Total cache Up to 4 MB cache depending on processor type Table 3 Memory Feature Specification Type up to 1600 MHz Connectors two DIMM slots Capacity 2 GB 4 GB and 8 GB Minimum Memory 2 GB Maximum Memory 8 GB Table 4 Video Feature Specification Video Controller Integrated AMD Radeon HD graphics Discrete Radeon R5 A330 Video Memory 1 GB Table 5 Audio Feature Specifi...

Page 37: ...e 170 horizontal 160 vertical Pixel pitch 0 2712 mm x 0 2626 mm Table 8 Drives Feature Specification Hard drive one 2 5 inch SATA drive Optical drive optional one DVD ROM DVD RW Table 9 Ports and Connectors Feature Specification Audio one audio combo connector Network adapter one RJ45 connector USB 2 0 two USB 3 0 two Media card reader one 4 in 1 slot Table 10 Power Adapter Feature Specification T...

Page 38: ...8 mm 8 07 inches Weight 3 42 kg 7 53 lb 4 92 kg 10 84 lb NOTE The weight of your computer may vary depending on the configuration ordered and the manufacturing variability The above weight is without an optical disk drive Table 14 Controls and Lights Feature Specification Power button light White light Solid white light indicates power on state blinking white light indicates sleep state of the com...

Page 39: ...ower connector at the back of the computer and the electrical outlet Table 15 Environmental Feature Specification Temperature range Operating 5 C to 35 C 41 F to 95 F Storage 40 C to 65 C 40 F to 149 F Relative humidity maximum Operating 10 to 90 non condensing Storage 10 to 95 non condensing Maximum vibration Operating 0 66 GRMS Storage 1 30 GRMS Maximum shock Operating 110 G Storage 160 G Altitu...

Page 40: ... based support and service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Go to dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or sup...

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