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1.

In the System BIOS or System Setup screen, select System Security and press <Enter>.
The System Security screen is displayed.

2.

In the System Security screen, verify that Password Status is Unlocked.

3.

Select System Password, alter or delete the existing system password and press <Enter> or <Tab>.

4.

Select Setup Password, alter or delete the existing setup password and press <Enter> or <Tab>.

NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you 
delete the System and/or Setup password, confirm the deletion when promoted.

5.

Press <Esc> and a message prompts you to save the changes.

6.

Press <Y> to save the changes and exit from the System Setup.
The computer reboots.

39

Summary of Contents for Vostro 2521

Page 1: ...Dell Vostro 2521 Owner s Manual Regulatory Model P27F Regulatory Type P27F001 ...

Page 2: ...ademarks or trademarks of Intel Corporation in the U S and other countries AMD is a registered trademark and AMD Opteron AMD Phenom AMD Sempron AMD Athlon ATI Radeon and ATI FirePro are trademarks of Advanced Micro Devices Inc Microsoft Windows MS DOS Windows Vista the Windows Vista start button and Office Outlook are either trademarks or registered trademarks of Microsoft Corporation in the Unite...

Page 3: ...Memory Module 11 Removing the Hard Drive Assembly 11 Installing the Hard Drive Assembly 13 Removing the Optical Drive Assembly 13 Installing the Optical Drive Assembly 14 Removing the Keyboard 14 Installing the Keyboard 15 Removing the Wireless Mini Card 16 Installing the Wireless Mini Card 16 Removing the Palmrest 16 Installing the Palmrest 18 Removing the Input Output I O Board 18 Installing the...

Page 4: ...alling the Camera Module 31 3 System Setup 33 Boot Sequence 33 Navigation Keys 33 System Setup Options 34 Updating the BIOS 37 System and Setup Password 37 Assigning a System Password and Setup Password 38 Deleting or Changing an Existing System and or Setup Password 38 4 Diagnostics 41 Enhanced Pre Boot System Assessment ePSA Diagnostics 41 Battery Status Lights 41 5 Troubleshooting 43 Enhanced P...

Page 5: ...ching an unpainted metal surface such as a connector on the back of the computer CAUTION 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 CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itsel...

Page 6: ... installed ExpressCards or Smart Cards from the appropriate slots Turning Off Your Computer CAUTION To avoid losing data save and close all open files and exit all open programs before you turn off your computer 1 Shut down the operating system In Windows 8 Using a touch enabled device a Swipe in from the right edge of the screen opening the Charms menu and select Settings b Select the and then se...

Page 7: ...ot use batteries designed for other Dell computers 1 Connect any external devices such as a port replicator battery slice or media base and replace any cards such as an ExpressCard 2 Connect any telephone or network cables to your computer CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer 3 Replace the battery 4 Connect your computer...

Page 8: ...8 ...

Page 9: ...re Digital SD Card 1 Follow the procedures in Before Working Inside Your Computer 2 Press in on the SD memory card to release it from the computer Installing the Secure Digital SD Card 1 Push the memory card into the compartment until it clicks into place 2 Follow the procedures in After Working Inside Your Computer Removing the Battery 1 Follow the procedures in Before Working Inside Your Compute...

Page 10: ...omputer Removing the Access Panel 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the battery 3 Loosen the captive screws that secure the access panel and remove it from the computer Installing the Access Panel 1 Slide the access panel into its slot 2 Tighten the screws to secure the access panel to the computer 10 ...

Page 11: ... Remove the memory module from its socket on the system board Installing the Memory Module 1 Insert the memory module into the memory socket and press until it clicks into place 2 Install a access panel b battery 3 Follow the procedures in After Working Inside Your Computer Removing the Hard Drive Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b access p...

Page 12: ...4 Slide the hard drive in the direction shown and lift the tab to remove it from the computer 5 Remove the screw that secures the hard drive caddy to the hard drive and remove it 12 ...

Page 13: ...s to secure the hard drive assembly to the computer 5 Install a memory module b access panel c battery 6 Follow the procedures in After Working Inside Your Computer Removing the Optical Drive Assembly 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the battery 3 Remove the screw that secures the optical drive and slide it out of the drive bay 4 Remove the screws that secure...

Page 14: ...the bracket to the optical drive assembly 4 Slide the optical drive assembly into the drive bay in the computer 5 Tighten the screw to secure the optical drive assembly to the computer 6 Install the battery 7 Follow the procedures in After Working Inside Your Computer Removing the Keyboard 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the battery 3 Release the keyboard by...

Page 15: ... keyboard off the palmrest assembly Installing the Keyboard 1 Connect the keyboard cable to the connector on the system board 2 Slide the keyboard in its place on the computer and snap it into place 3 Install the battery 4 Follow the procedures in After Working Inside Your Computer 15 ...

Page 16: ...ed on the wireless mini card 2 Insert the wireless mini card into its connector at a 45 degree angle into its slot 3 Press down the wireless mini card and tighten the screw to secure the wireless mini card to the computer 4 Install a keyboard b optical drive assembly c memory module d access panel e battery 5 Follow the procedures in After Working Inside Your Computer Removing the Palmrest 1 Follo...

Page 17: ...e touchpad cable and power button cables from the system board 5 Remove the screws that secure the palmrest to the system board Lift and release the tabs on palmrest from the slots on the computer and lift the palmrest from the computer 17 ...

Page 18: ...o secure the palmrest to the computer 5 Install a keyboard b optical drive assembly c memory module d access panel e battery 6 Follow the procedures in After Working Inside Your Computer Removing the Input Output I O Board 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b access panel c keyboard d palmrest 3 Disconnect the I O cable from the system board 4 Remove ...

Page 19: ...ow the procedures in After Working Inside Your Computer Removing the System Board 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b access panel c memory module d hard drive assembly e SD card f optical drive assembly g keyboard h palmrest i wireless mini card 3 Peel the tape that secures the display cable to the system board 4 Disconnect the display cable from th...

Page 20: ... 1 Align the system board in its place on the computer 2 Tighten the screw to secure the system board to the computer 3 Connect the following cable to the connectors on the system board a DC In port cable b speaker cable c I O board cable 4 Connect the display cable to the system board 5 Affix the tape to secure the display cable to the system board 20 ...

Page 21: ...puter 2 Remove a battery b access panel c memory module d hard drive assembly e optical drive assembly f keyboard g palmrest h wireless mini card i system board 3 Flip the system board and place it on a flat surface 4 Pry out the coin cell battery from the system board Installing the Coin Cell Battery 1 Place the coin cell battery in its slot 2 Install a system board b wireless mini card c palmres...

Page 22: ...e system board and place it on a flat surface 4 Remove the screws that secure the heatsink to the system board Lift the heatsink from the system board Installing the Heatsink 1 Align the heatsink in its place on the system board 2 Tighten the screws to secure the heatsink to the system board 3 Install a system board b wireless mini card c palmrest d keyboard e optical drive assembly f hard drive a...

Page 23: ...tem fan cable 4 Remove the screw that secures the system fan to the system board 5 Lift the system fan from the computer Installing the System Fan 1 Align the system fan in its place on the system board 2 Tighten the screw to secure the system fan to the computer 3 Connect the system fan cable to the system board 4 Install a system board b wireless mini card c plamrest d keyboard e optical drive a...

Page 24: ...ttery b access panel c memory module d hard drive assembly e optical drive assembly f keyboard g plamrest h wireless mini card i system board 3 Peel the tape that secures the LED silicon tubes to the computer 4 Lift and remove the LED silicon tubes from the computer 5 Un route the speaker cable from its routing channel and lift the speaker assembly from the computer 24 ...

Page 25: ...mbly g memory module h access panel i battery 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 battery b access panel c memory module d hard drive assembly e optical drive assembly f keyboard g palmrest 3 Peel the tape that secures the LVDS and camera cables to the system board and ...

Page 26: ...nect the wireless mini card antennae to the connectors on the wireless mini card 4 Connect the display and power port cables to the system board 5 Affix the tape that secures the display cable to the computer 6 Install a palmrest b keyboard c optical drive assembly d hard drive assembly e memory module f access panel g battery 7 Follow the procedures in After Working Inside Your Computer Removing ...

Page 27: ...ft and remove it from the computer 4 Pry the edges of the display bezel Remove the display bezel from the computer Installing the Display Bezel 1 Align the display bezel in place and snap it in place 2 Align the hinge covers on display assembly and snap it in place 3 Install a display assembly b palmrest c keyboard d optical drive assembly 27 ...

Page 28: ...d drive assembly e optical drive assembly f keyboard g plamrest h display assembly i display bezel 3 Remove the screws that secure the display hinges to the display panel 4 Lift the display hinges off the display panel Installing the Display Hinges 1 Place the display hinge in its place on the display panel 2 Tighten the screws to secure the display hinge to the display panel 3 Install a display b...

Page 29: ...r Computer 2 Remove a battery b access panel c memory module d hard drive assembly e optical drive assembly f keyboard g plamrest h display assembly i display bezel 3 Remove the screws that secure the display panel to the computer Lift the display panel and flip it 4 Peel the tape that secures display cable and disconnect the cable from the connector Remove the display panel from the display assem...

Page 30: ...a display bezel b display assembly c palmrest d keyboard e optical drive assembly f hard drive assembly g memory module h access panel i battery 6 Follow the procedures in After Working Inside Your Computer Removing the Camera Module 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b memory module c hard drive assembly d optical drive assembly e keyboard f palmrest...

Page 31: ...he connector on the camera module 2 Align the camera module in its position on the computer 3 Tighten the screw to secure the camera module to the computer 4 Affix the tape to the camera module 5 Install a display bezel b display assembly c palmrest d keyboard e optical drive assembly f hard drive assembly g memory module h battery 6 Follow the instructions in After Working Inside Your Computer 31...

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Page 33: ...ess 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 Diagnostics will display the ePSA diagnostics screen The boot sequ...

Page 34: ...er model The Main tab lists out the primary hardware features of the computer The table below defines the function of each option Table 2 Main Options Option Description System Time Allows you to reset the time on the computer s internal clock System Date Allows you to reset the date on the computer s internal calendar BIOS Version Displays the BIOS revision Product Name Displays the product name ...

Page 35: ...l SpeedStep Enable or disable the Intel SpeedStep feature Default Enabled Virtualization Enable or disable the Intel Virtualization feature Default Enabled Integrated NIC Enable or disable the power supply to the on board network card Default Enabled USB Emulation Enable or disable the USB emulation feature Default Enabled USB Wake Support Allows USB devices to wake up the computer from standby Th...

Page 36: ...bled The Security tab displays the security status and allows you to manage the security features of the computer Table 4 Security Options Option Description Admin Password This field displays if a admin password is set for this computer or not Default Cleared Not installed System Password This field displays if a system password is set for this computer or not Default Cleared Not installed Hdd Pa...

Page 37: ... is available on the front of your computer NOTE For notebooks the service tag label is available on the bottom of your computer NOTE For All In One Desktops the service tag label is available at the back of your computer a Enter the Service Tag or Express Service Code and click Submit b Click Submit and proceed to step 5 4 If you do not have your computer s service tag or express service code sel...

Page 38: ...ty and press Enter The System Security screen appears 2 In the System Security screen verify that Password Status is Unlocked 3 Select System Password enter your system password and press Enter or Tab Use the following guidelines to assign the system password A password can have up to 32 characters The password can contain the numbers 0 through 9 Only lower case letters are valid upper case letter...

Page 39: ...g system password and press Enter or Tab 4 Select Setup Password alter or delete the existing setup password and press Enter or Tab NOTE If you change the System and or Setup password re enter the new password when promoted If you delete the System and or Setup password confirm the deletion when promoted 5 Press Esc and a message prompts you to save the changes 6 Press Y to save the changes and ex...

Page 40: ...40 ...

Page 41: ...he system diagnostics to test only your computer Using this program with other computers may cause invalid results or error messages NOTE Some tests for specific devices require user interaction Always ensure that you are present at the computer terminal when the diagnostic tests are performed 1 Power on the computer 2 As the computer boots press the F12 key as the Dell logo appears 3 On the boot ...

Page 42: ... Light off Battery in full charge mode with AC adapter present White light on Battery in charge mode with AC adapter present 42 ...

Page 43: ...lid results or error messages NOTE Some tests for specific devices require user interaction Always ensure that you are present at the computer terminal when the diagnostic tests are performed 1 Power on the computer 2 As the computer boots press the F12 key as the Dell logo appears 3 On the boot menu screen select the Diagnostics option The Enhanced Pre boot System Assessment window is displayed l...

Page 44: ...Caps Lock function is enabled Turns on when the Scroll Lock function is enabled Beep Codes The computer may emit a series of beeps during start up if the display cannot show errors or problems These series of beeps called beep codes identify various problems The delay between each beep is 300 ms the delay between each set of beeps is 3 seconds and the beep sound lasts 300 ms After each beep and ea...

Page 45: ...times followed by a pause blinks two times pause etc This pattern continues until the system is powered off Code Cause and Troubleshooting Steps 1 System board BIOS ROM failure System board failure covers BIOS corruption or ROM error 2 Memory No memory RAM detected 3 Chipset Error North and South Bridge Chipset DMA IMR Timer Error Time Of Day Clock test failure Gate A20 failure Super I O chip fail...

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Page 47: ... EPROM 6 MB Table 10 Processor Feature Description Type Intel Celeron Dual Core ULV Intel Pentium Dual Core ULV Intel Core i3 ULV Intel Core i5 ULV L1 cache 32 KB L2 cache 256 KB L3 cache up to 4 MB Table 11 Memory Feature Description Memory connector two internally accessible DDR3 DDR3L connectors Memory capacity 2 GB and 4 GB Memory type 1600 MHz dual channel DDR3 configuration Minimum memory 2 ...

Page 48: ...ernal display support HDMI Table 14 Camera Feature Description Camera Resolution 0 92 megapixels Video Resolution maximum 1280 x 720 HD at 30 fps maximum Diagonal viewing angle 66 Table 15 Communication Feature Description Network adapter 10 100 Mbps Ethernet LAN on Motherboard LOM Wireless Wi fi 802 11 b g n bluetooth 4 0 Table 16 Ports and Connectors Feature Description Audio one headphone micro...

Page 49: ... 13 55 inches x 7 61 inches Maximum Brightness 200 nits Operating angle 0 closed to 140 Refresh rate 60 Hz Minimum Viewing angles Horizontal 40 40 Vertical 10 30 Pixel pitch 0 252 mm x 0 252 mm Table 18 Keyboard Feature Description Number of keys US 102 Brazil 105 UK 103 and Japan 106 Table 19 Touchpad Feature Description Active Area 240 DPI X axis 56 00 mm 2 20 inches Y axis 100 00 mm 3 94 inches...

Page 50: ...Table 21 AC Adapter Feature Description Type integrated video card 65 W discrete video card 90 W Input voltage 100 VAC to 240 VAC Input current maximum 1 50 A 1 60 A 1 70 A 2 50 A Input frequency 50 Hz 60 Hz Output power 65 W 90 W Output current 3 34 A 4 62 A Rated output voltage 19 50 VDC Temperature range Operating 0 C to 40 C 32 F to 104 F Non Operating 40 C to 70 C 40 F to 158 F Table 22 Physi...

Page 51: ... C to 65 C 40 F to 149 F Relative humidity maximum Operating 10 to 90 non condensing Storage 10 to 95 non condensing Altitude maximum Operating 15 2 m to 3048 m 50 to 10 000 ft 0 to 35 C Non Operating 15 2 m to 10 668 m 50 ft to 35 000 ft Airborne contaminant level G1 as defined by ISA S71 04 1985 51 ...

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Page 53: ... 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 Visit www dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down menu at the top of page 4 Select the appropriate service or support link...

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