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Troubleshooting

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 diagnostics provides a set of options for particular devices or device
groups allowing you to:

•

Run tests automatically or in an interactive mode

•

Repeat tests

•

Display or save test results

•

Run thorough tests to introduce additional test options to provide extra information about the failed device(s)

•

View status messages that inform you if tests are completed successfully

•

View error messages that inform you of problems encountered during testing

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.

Running the ePSA diagnostics

1. Turn on your 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.

4. Click the arrow at the bottom left corner.

Diagnostics front page is displayed.

5. Click the arrow in the lower-right corner to go to the page listing.

The items detected are listed.

6. To run a diagnostic test on a specific device, press Esc and click

Yes

to stop the diagnostic test.

7. Select the device from the left pane and click

Run Tests

.

8. If there are any issues, error codes are displayed.

Note the error code and validation number and contact Dell.

System diagnostic lights

Power and battery-status light/hard-drive activity light

Indicates the battery-charge status or the hard-drive activity.

NOTE:

Press Fn+H to toggle this light between power and battery-status light and hard-drive activity light.

Hard-drive activity light

Turns on when the computer reads from or writes to the hard drive.

NOTE:

Hard-drive activity light is supported only on computers shipped with hard drive.

Power and battery-status light

Indicates the power and battery-charge status

Solid white

— Power adapter is connected and the battery has more than 5 percent charge.

Amber

— Computer is running on battery and the battery has less than 5 percent charge.

5

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Troubleshooting

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Содержание Inspiron 5494

Страница 1: ...Inspiron 5494 Service Manual Regulatory Model P120G Regulatory Type P120G001 ...

Страница 2: ...amage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2019 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners 2019 07 Rev A00 ...

Страница 3: ...7 Coin cell battery 20 Fan 22 Heat sink 24 Solid state drive Intel Optane 26 Hard drive 30 Touchpad 33 Speakers 36 I O board 38 Display assembly 40 Power button board 45 System board 47 Power button with fingerprint reader 51 Power adapter port 54 Palm rest and keyboard assembly 55 Display bezel 57 Camera 59 Display panel 60 Display hinges 63 Display cable 64 Display back cover and antenna assembl...

Страница 4: ...Clearing BIOS System Setup and System passwords 75 5 Troubleshooting 76 Enhanced Pre Boot System Assessment ePSA diagnostics 76 Running the ePSA diagnostics 76 System diagnostic lights 76 Recovering the operating system 77 Flashing the BIOS 78 Enabling Intel Optane memory 78 Disabling Intel Optane memory 78 Flashing BIOS USB key 78 WiFi power cycle 79 Flea power release 79 4 Contents ...

Страница 5: ...nside your computer ground yourself by using a wrist grounding strap or by periodically 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 CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself...

Страница 6: ...ield Service kit includes three main components anti static mat wrist strap and bonding wire Components of an ESD field service kit The components of an ESD field service kit are Anti Static Mat The anti static mat is dissipative and parts can be placed on it during service procedures When using an anti static mat your wrist strap should be snug and the bonding wire should be connected to the mat ...

Страница 7: ...orming service and that they use anti static bags for transporting sensitive components Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell it is critical to place these parts in anti static bags for safe transport Lifting equipment Adhere to the following guidelines when lifting heavy weight equipment CAUTION Do no...

Страница 8: ...are not left attached to such surface when replacing a component NOTE Screw color may vary with the configuration ordered Table 1 Screw list Component Secured to Screw type Quantity Screw image Base cover Palm rest and keyboard assembly M2 5x5 7 Battery System board M2x3 3 Display panel Display back cover and antenna assembly M2x2 2 Display panel Display back cover and antenna assembly M2 5x2 5 2 ...

Страница 9: ...r Removing the base cover NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedu...

Страница 10: ...ase cover from the top right corner of the palm rest and keyboard assembly 4 Lift the base cover off the palm rest and keyboard assembly from the right side of the base cover 10 Removing and installing components ...

Страница 11: ...ed with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Connect the battery cable to the system board if applicable CAUTION To avoid accidental damage to th...

Страница 12: ...e base cover on the palm rest and keyboard assembly 4 Snap the base cover into place 5 Replace the seven screws M2 5x5 that secure the base cover to the palm rest and keyboard assembly 12 Removing and installing components ...

Страница 13: ...oving it from the system This can be done by disconnecting the AC adapter from the system to allow the battery to drain Do not crush drop mutilate or penetrate the battery with foreign objects Do not expose the battery to high temperatures or disassemble battery packs and cells Do not apply pressure to the surface of the battery Do not bend the battery Do not use tools of any kind to pry on or aga...

Страница 14: ...sembly 4 Lift the battery off the palm rest and keyboard assembly Replacing the battery NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Comp...

Страница 15: ...ollow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Locate the memory modules on your computer Removing and installing components 15 ...

Страница 16: ... working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 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 3 Press the memor...

Страница 17: ...ollow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Locate the wireless card on your computer Removing and installing components 17 ...

Страница 18: ...d bracket to the system board 3 Slide and remove the wireless card bracket from the wireless card 4 Disconnect the antenna cables from the wireless card 5 Slide and remove the wireless card from the wireless card slot 18 Removing and installing components ...

Страница 19: ... Connect the antenna cables to the wireless card The following table provides the antenna cable color scheme for the wireless card that is supported by your computer Table 2 Antenna cable color scheme Connectors on the wireless card Antenna cable color Main white triangle White Auxiliary black triangle Black 2 Slide and replace the wireless card bracket on the wireless card 3 Align the notch on th...

Страница 20: ...r working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance CAUTION Removing the coin cell battery resets the BIOS setup program s settings to default It is recommended that you note the BIOS setup program s settings before removing the coin cell battery Prerequisites Remove the base cover Procedure Using a plastic scr...

Страница 21: ...nside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure With the positive side facing up snap the coin cell battery into the battery socket on the I O board Removing and installing components 21 ...

Страница 22: ... working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Disconnect the fan cable from the system board 2 Remove the two screws M2 5x5 that secure the fan to the palm rest and keyboard board assembly 3 Remove the display cable from the routing guides on the fan 4 Lift t...

Страница 23: ...puter For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the screw holes on the fan with the screw holes on to the palm rest and keyboard board assembly 2 Route the display cable through the routing guides on the fan 3 Replace the two screws M2 5x5 that secure the fan to the palm rest and keyboard board assembly 4 Connect ...

Страница 24: ...come hot during normal operation Allow sufficient time for the heat sink to cool before you touch it CAUTION For maximum cooling of the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease Prerequisites Remove the base cover Procedure 1 In the reverse sequential order 4 3 2 1 loosen the four captive scre...

Страница 25: ...n damage the system board and processor NOTE If either the system board or the heat sink is replaced use the thermal pad paste provided in the kit to ensure that thermal conductivity is achieved Procedure 1 Place the heat sink on the system board and align the screw holes on the heat sink with the screw holes on the system board 2 Replace the three M2x3 screws that secure the heat sink to the syst...

Страница 26: ...uter follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure to remove the M 2 2230 solid state drive 1 Loosen the captive screw that secures the solid state drive shield and solid state drive to the palm rest and keyboard assembly 2 Remov...

Страница 27: ...ecures the solid state drive shield Intel Optane shield and solid state drive Intel Optane to the palm rest and keyboard assembly 2 Remove the screw M2x3 that secures the solid state drive shield Intel Optane shield to the palm rest and keyboard assembly NOTE For computers shipped with PCIe or NVMe solid state drive Intel Optane only 3 Slide and remove the solid state drive Intel Optane shield fro...

Страница 28: ...teps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance CAUTION Solid state drives are fragile Exercise care when handling the solid state drive Procedure to replace the M 2 2230 solid state drive 1 Place t...

Страница 29: ... palm rest and keyboard assembly 7 Replace the screw M2x3 that secures the solid state drive shield to the palm rest and keyboard assembly Procedure to replace the M 2 2280 solid state drive 1 Align the notch on the solid state drive Intel Optane with the tab on the solid state drive Intel Optane slot 2 Slide the solid state drive Intel Optane into the solid state drive Intel Optane slot 3 Insert ...

Страница 30: ...tane NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance CAUTION Hard drives are frag...

Страница 31: ... the interposer from the hard drive assembly 5 Remove the four screws M3x3 that secure the hard drive bracket to the hard drive 6 Lift the hard drive bracket off the hard drive Removing and installing components 31 ...

Страница 32: ...ide your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance CAUTION Hard drives are fragile Exercise care when handling the hard drive Procedure 1 Align the screw holes on the hard drive bracket with the screw holes on the hard drive 2 Replace the four screws M3x3 that s...

Страница 33: ...able Post requisites 1 Replace the battery 2 Replace the base cover Touchpad Removing the touchpad NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regu...

Страница 34: ...e three screws M1 6x2 that secure the touchpad bracket to the palm rest and keyboard assembly 3 Lift the touchpad bracket off the palm rest and keyboard assembly 4 Remove the two screws M1 6x2 that secure the touchpad to the palm rest and keyboard assembly 5 Lift the touchpad off the palm rest and keyboard assembly 34 Removing and installing components ...

Страница 35: ...ulatory Compliance home page at www dell com regulatory_compliance Procedure NOTE Ensure that the touchpad is aligned with the guides available on the palm rest and keyboard assembly and the gap on either sides of the touchpad is equal 1 Place the touchpad into the slot on the palm rest and keyboard assembly 2 Replace the two screws M1 6x2 that secure the touchpad to the palm rest and keyboard ass...

Страница 36: ...e steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the solid state drive Intel Optane Procedure 1 Disconnect the speaker cable from the system board 2 ...

Страница 37: ...tices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure NOTE If the rubber grommets are pushed out when removing the speakers push them back in before replacing the speakers 1 Using the alignment posts and rubber grommets place the speakers in the slots on the palm rest and keyboard assembly 2 Route the speaker cable through the routing guides on the palm rest...

Страница 38: ...compliance Prerequisites CAUTION Removing the coin cell battery resets the BIOS setup program s settings to default Before removing the I O board along with the coin cell battery it is recommended to note the BIOS setup program s settings 1 Remove the base cover 2 Remove the solid state drive Intel Optane 3 Remove the speakers Procedure 1 Open the latch and disconnect the power button cable from t...

Страница 39: ...best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Using the alignment posts place the I O board on the palm rest and keyboard assembly 2 Replace the four screws M2x4 that secure the I O board to the palm rest and keyboard assembly 3 Connect the I O board cable to the I O board and close the latch to secure the cable 4 Connect the power button ...

Страница 40: ...mputer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the wireless card 3 Remove the fan Procedure 1 Open the latch and disconnect the display cable from the system board 2 Remove the display ca...

Страница 41: ...left and right hinges to the system board and palm rest and keyboard assembly 4 Lift the palm rest and keyboard assembly at an angle 5 Slide and remove the palm rest and keyboard assembly off the display assembly Removing and installing components 41 ...

Страница 42: ...6 After performing all the above steps you are left with display assembly 42 Removing and installing components ...

Страница 43: ... see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure NOTE Ensure that the hinges are opened to the maximum before replacing the display assembly on the palm rest and keyboard assembly 1 Place the palm rest and keyboard assembly under the hinges on the display assembly 2 Press the hinges down on the system board and I O board 3 Replace the four screws M2 5x5 that...

Страница 44: ...4 Route the display cable through the routing guides on the fan and palm rest and keyboard assembly 5 Connect the display cable to the system board 44 Removing and installing components ...

Страница 45: ... the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the wireless card 4 Remove the fan 5 Remove the hard drive 6 Remove the disp...

Страница 46: ...computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Place the power button into the slot on the palm rest and keyboard assembly 2 Replace the screw M2x2 that secures...

Страница 47: ... see the Regulatory Compliance home page at www dell com regulatory_compliance NOTE Your computer s Service Tag is stored in the system board You must enter the Service Tag in the BIOS setup program after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the appropriate changes again after you repla...

Страница 48: ...Open the latch and disconnect the touchpad cable from the system board 7 Open the latch and disconnect the hard drive cable from the system board 8 Open the latch and disconnect the I O board cable from the system board 9 Open the latch and disconnect the finger print reader cable from the system board NOTE For computers shipped with finger print reader only 10 Open the latch and disconnect the po...

Страница 49: ...iance NOTE Your computer s Service Tag is stored in the system board You must enter the Service Tag in the BIOS setup program after you replace the system board NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program You must make the appropriate changes again after you replace the system board Procedure 1 Align the screw hole on the system board ...

Страница 50: ... shipped with finger print reader only 8 Slide the I O board cable into the connector on the system board and close the latch to secure the cable 9 Slide the hard drive cable into the connector on the system board and close the latch to secure the cable 10 Slide the touchpad cable into the connector on the system board and close the latch to secure the cable 11 Slide the keyboard back light cable ...

Страница 51: ...e BIOS setup program 3 Navigate to the Main tab and enter the Service Tag in the Service Tag Input field NOTE Service tag is the alphanumeric identifier located at the back side of your computer Power button with fingerprint reader Removing the power button with fingerprint reader NOTE Before working inside your computer read the safety information that shipped with your computer and follow the st...

Страница 52: ...e the hard drive 9 Remove the display assembly 10 Remove the system board Procedure 1 Remove the two screws M2x2 that secure the power button to the palm rest and keyboard assembly 2 Lift the power button off the palm rest and keyboard assembly 3 Peel the fingerprint reader cable off the palm rest and keyboard assembly 4 Peel the fingerprint reader board off the palm rest and keyboard assembly Rep...

Страница 53: ...ower button in the slot on palm rest and keyboard assembly 4 Replace the two screws M2x2 that secures the power button with fingerprint reader to the palm rest and keyboard assembly Post requisites 1 Replace the system board 2 Replace the display assembly 3 Replace the hard drive 4 Replace the solid state drive Intel Optane 5 Replace the heat sink NOTE The system board can be removed and installed...

Страница 54: ...e the wireless card 5 Remove the display assembly 6 Remove the system board Procedure 1 Remove the screw M2x3 that secures the power adapter port to the palm rest and keyboard assembly 2 Lift the power adapter port along with its cable off the palm rest and keyboard assembly Replacing the power adapter port NOTE Before working inside your computer read the safety information that shipped with your...

Страница 55: ...nd keyboard assembly Removing the palm rest and keyboard assembly NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at ww...

Страница 56: ...e the power adapter port Procedure After performing the above steps we are left with the palm rest and keyboard assembly Replacing the palm rest and keyboard assembly NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After work...

Страница 57: ...alled together with the heat sink still attached 12 Replace the fan 13 Replace the wireless card 14 Replace the memory modules 15 Replace the battery 16 Replace the base cover Display bezel Removing the display bezel NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside y...

Страница 58: ...ur computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Insert the tabs on the display hinge cover to the ...

Страница 59: ...over 2 Remove the wireless card 3 Remove the display assembly 4 Remove the display bezel Procedure 1 Using a plastic scribe gently pry the camera off the display back cover and antenna assembly 2 Disconnect the camera cable from the camera module 3 Lift the camera module from the display back cover and antenna assembly Replacing the camera NOTE Before working inside your computer read the safety i...

Страница 60: ...r and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the wireless card 3 Remove the fan 4 Remove the display assembly 5 Remove the display...

Страница 61: ... your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Place the display panel on a flat and clean sur...

Страница 62: ...ntenna assembly 5 Replace the two screws M2x2 and two screws M2 5x2 5 that secure the display panel to the display back cover and antenna assembly Post requisites 1 Replace the display bezel 2 Replace the display assembly 3 Replace the fan 4 Replace the wireless card 5 Replace the base cover 62 Removing and installing components ...

Страница 63: ...that secure the display hinges to the display back cover and antenna assembly 4 Lift the display hinges off the display back cover and antenna assembly Replacing the display hinges NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions...

Страница 64: ...fety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the fan 3 Remove the wireless card 4 Remove the display assembly 5 Remove the display bezel 6 Remove the camera 7 Remove the display panel 8 Remove the display hinges Procedure 1 Peel the tape that secures the display cable to the display hinge 2 Remove t...

Страница 65: ...ble to the display hinge Post requisites 1 Replace the display hinges 2 Replace the display panel 3 Replace the camera 4 Replace the display bezel 5 Replace the display assembly 6 Replace the fan 7 Replace the wireless card 8 Replace the base cover Display back cover and antenna assembly Removing the display back cover and antenna assembly NOTE Before working inside your computer read the safety i...

Страница 66: ...NOTE Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before working inside your computer After working inside your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure Place the display back ...

Страница 67: ...2 Replace the display hinges 3 Replace the display panel 4 Replace the camera 5 Replace the display bezel 6 Replace the display assembly 7 Replace the fan 8 Replace the wireless card 9 Replace the base cover Removing and installing components 67 ...

Страница 68: ...l com support Intel Trusted Execution Engine Interface In the Device Manager check if the Intel Trusted Execution Engine Interface driver is installed Install the driver update from www dell com support Intel Virtual Button driver In the Device Manager check if the Intel Virtual Button driver is installed Install the driver updates from www dell com support Wireless and Bluetooth drivers In the De...

Страница 69: ...able option such as the user password type of hard drive installed and enabling or disabling base devices Entering BIOS setup program 1 Turn on or restart your computer 2 During POST when the DELL logo is displayed watch for the F2 prompt to appear and then press F2 immediately NOTE The F2 prompt indicates that the keyboard is initialized This prompt can appear very quickly so you must watch for i...

Страница 70: ... to access the System Setup screen System setup options NOTE Depending on this computer and its installed devices the items listed in this section may or may not appear Table 3 System setup options System information menu General System Information System Information BIOS Version Displays the BIOS version number Service Tag Displays the Service Tag of the computer Asset Tag Displays the Asset Tag ...

Страница 71: ...ersion of the computer Video Memory Displays the video memory information of the computer Panel Type Displays the Panel Type of the computer Native Resolution Displays the native resolution of the computer Audio Controller Displays the audio controller information of the computer Wi Fi Device Displays the wireless device information of the computer Bluetooth Device Displays the bluetooth device in...

Страница 72: ...e the administrator password System Password Set change or delete the system password Internal HDD 0 Password Set change or delete the internal hard disk drive password Strong Password Enable or disable strong passwords Password Configuration Control the minimum and maximum number of characters allowed for Admin and System passwords Password Bypass Bypass the System Boot Password and the internal ...

Страница 73: ... or disable Intel TurboBoost mode of the processor Default Enabled HyperThread control Enable or disable HyperThreading in the processor Default Enabled Power Management AC Behavior Enables the system to turn on automatically when AC power is supplied Enable Intel Speed Shift Technology Enable or disable Intel Speed Shift Technology Auto On Time Enable to set the computer to turn on automatically ...

Страница 74: ...tup options Maintenance menu Maintenance Service Tag Display the system s Service Tag Asset Tag Create a system Asset Tag BIOS Downgrade Control flashing of the system firmware to previous revisions Data Wipe Enable to securely erase data from all internal storage devices BIOS Recovery Enable the user to recover from certain corrupted BIOS conditions from a recovery file on the user primary hard d...

Страница 75: ... Replace the base cover Clearing BIOS System Setup and System passwords To clear the system or BIOS passwords contact Dell technical support as described at www dell com contactdell NOTE For information on how to reset Windows or application passwords refer to the documentation accompanying Windows or your application System setup 75 ...

Страница 76: ...e boot menu screen select the Diagnostics option 4 Click the arrow at the bottom left corner Diagnostics front page is displayed 5 Click the arrow in the lower right corner to go to the page listing The items detected are listed 6 To run a diagnostic test on a specific device press Esc and click Yes to stop the diagnostic test 7 Select the device from the left pane and click Run Tests 8 If there a...

Страница 77: ... but invalid 3 5 Power rail failure 3 6 SBIOS flash corruption 3 7 Timeout waiting on ME to reply to HECI message Camera status light Indicates whether the camera is in use Solid white Camera is in use Off Camera is not in use Caps Lock status light Indicates whether Caps Lock is enabled or disabled Solid white Caps Lock enabled Off Caps Lock disabled Recovering the operating system When your comp...

Страница 78: ...ke up to three subsequent launches after enablement to see the full performance benefits Disabling Intel Optane memory CAUTION After disabling Intel Optane memory do not uninstall the driver for Intel Rapid Storage Technology as it will result in a blue screen error The Intel Rapid Storage Technology user interface can be removed without uninstalling the driver NOTE Disabling Intel Optane memory i...

Страница 79: ...ome ISPs Internet Service Providers provide a modem router combo device 1 Turn off your computer 2 Turn off the modem 3 Turn off the wireless router 4 Wait for 30 seconds 5 Turn on the wireless router 6 Turn on the modem 7 Turn on your computer Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been r...

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