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System setup

CAUTION:

 Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain

changes can make your computer work incorrectly.

NOTE:

 Depending on the computer and its installed devices, the items listed in this section may or may not be displayed.

NOTE:

 Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen

information for future reference.

Use the BIOS Setup program for the following purposes:

Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.

Change the system configuration information.

Set or change a user-selectable option, such as the user password, type of hard drive installed, and enabling or disabling base devices.

Entering BIOS setup program

About this task

Turn on (or restart) your computer and press F2 immediately.

Navigation keys

NOTE:

 For most of the System Setup options, changes that you make are recorded but do not take effect until you

restart the system.

Table 2. Navigation keys

Keys

Navigation

Up arrow

Moves to the previous field.

Down arrow

Moves to the next field.

Enter

Selects a value in the selected field (if applicable) or follow the link
in the field.

Spacebar

Expands or collapses a drop-down list, if applicable.

Tab

Moves to the next focus area.

NOTE:

 For the standard graphics browser only.

Esc

Moves to the previous page until you view the main screen.
Pressing Esc in the main screen displays a message that prompts
you to save any unsaved changes and restarts the system.

Boot Sequence

Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example:
optical drive or hard drive). During the Power-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)

4

48

System setup

Summary of Contents for P91F

Page 1: ...XPS 15 9500 Service Manual Regulatory Model P91F Regulatory Type P91F001 ...

Page 2: ...mage 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 2020 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 April 2020 Rev A00 ...

Page 3: ...s 17 Removing the memory 17 Installing the memory 18 Solid state drive 19 Removing the solid state drive1 19 Installing the solid state drive1 20 Removing the solid state drive2 21 Installing the solid state drive2 22 Installing the M 2 2230 solid state drive 23 Fans 24 Removing the left fan 24 Installing the left fan 25 Removing the right fan 26 Installing the right fan 27 Heat sink 28 Removing t...

Page 4: ... 48 Boot Sequence 48 One time boot menu 49 System setup options 49 Clearing CMOS settings 58 Clearing BIOS System Setup and System passwords 58 5 Troubleshooting 59 Specifications of XPS 15 9500 59 System diagnostic lights 59 SupportAssist diagnostics 60 Recovering the operating system 60 Flashing the BIOS 60 Flashing BIOS USB key 61 Backup media and recovery options 61 WiFi power cycle 61 Flea po...

Page 5: ...onnect your computer from all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting your computer to an electrical outlet CAUTION To avoid damaging the computer ensure that the work surface is flat dry and clean CAUTION To avoid damaging the components and cards handle them by their edges and av...

Page 6: ...e anti static packing material until you are ready to install the component Before unwrapping the anti static packaging ensure that you discharge static electricity from your body Before transporting a static sensitive component place it in an anti static container or packaging ESD field service kit The unmonitored Field Service kit is the most commonly used service kit Each Field Service kit incl...

Page 7: ...sport ESD protection summary It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti static mat at all times when servicing Dell products In addition it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti static bags for transporting sensitive compone...

Page 8: ...agnetic surfaces Ensure that the screws 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 M2x3 8 Battery Palm rest and keyboard assembly M2x3 4 Battery Palm rest and keyboard assembly M2x4 4 Right fan System board...

Page 9: ...bly M1 6x3 2 Left hinge System board and palm rest and keyboard assembly M2 5x5 5 4 Right hinge System board and palm rest and keyboard assembly M2 5x5 5 4 Wireless card bracket System board M1 6x3 1 System board Palm rest and keyboard assembly M2x4 2 Touchpad Palm rest and keyboard assembly M1 6x2 5 4 Touchpad Palm rest and keyboard assembly M2x2 4 Major components of XPS 15 9500 The following im...

Page 10: ...lay assembly 11 Palm rest and keyboard assembly 12 Wireless card bracket 13 I O board shield 14 I O board 15 USB Type C port bracket 16 I O board cable 17 Left fan 18 Display assembly cable bracket 19 Solid state drive 2 20 Solid state drive 2 thermal bracket 21 Solid state drive 1 22 Solid state drive 1 thermal bracket 10 Removing and installing components ...

Page 11: ...urchased by the customer Contact your Dell sales representative for purchase options Base cover Removing the base cover Prerequisites 1 Follow the procedure in Before working inside your computer About this task The following images indicate the location of the base cover and provide a visual representation of the removal procedure Removing and installing components 11 ...

Page 12: ...12 Removing and installing components ...

Page 13: ...e antennas and audio daughter board Place the base cover on a clean surface to avoid damage to the pins 2 Starting from the bottom left corner use a plastic scribe to pry the base cover in the direction of the arrows to release the base cover from the palm rest and keyboard assembly 3 Grasp the left side and the right side of the base cover and remove the base cover from the palm rest and keyboard...

Page 14: ... the BIOS when this error appears and set the date and time on your computer to resume normal functionality 4 Disconnect the battery cable from the system board 5 Turn your computer over and press the power button for 15 seconds to drain the flea power Installing the base cover Prerequisites If you are replacing a component remove the existing component before performing the installation procedure...

Page 15: ...ase cover to the palm rest and keyboard assembly Next steps NOTE After your computer is reassembled and powered on it prompts for the Real Time Clock RTC reset When the RTC reset cycle occurs the computer restarts several times and then an error message is displayed Time of day not set Enter the BIOS when this error appears and set the date and time on your computer to resume normal functionality ...

Page 16: ...our screws M2x4 that secure the battery to the palm rest and keyboard assembly 3 Remove the four screws M2x3 that secure the battery to the palm rest and keyboard assembly 4 Peel the tapes that secure the speaker cable to the battery 5 Lift the battery off the palm rest and keyboard assembly Installing the battery Prerequisites If you are replacing a component remove the existing component before ...

Page 17: ...e battery to the palm rest and keyboard assembly 5 Connect the battery cable to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Memory modules Removing the memory Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the memor...

Page 18: ...peat step 1 and step 2 to remove the other memory module if available on your computer Installing the memory Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the memory modules and provides a visual representation of the installation procedure 18 Removing and insta...

Page 19: ...base cover 2 Follow the procedure in After working inside your computer Solid state drive Removing the solid state drive1 Prerequisites 1 Follow the procedure in Before working inside your computer CAUTION Solid state drives are fragile Exercise care when handling the solid state drive CAUTION To avoid data loss do not remove the solid state drive while the computer is turned on or is in sleep sta...

Page 20: ...the storage type A solid state drive thermal bracket that is designed for an M 2 2280 drive cannot accommodate an M 2 2230 drive and vice versa Installing the solid state drive1 Prerequisites If you are replacing a component remove the existing component before performing the installation procedure CAUTION Solid state drives are fragile Exercise care when handling the solid state drive About this ...

Page 21: ...e and vice versa 5 Replace the screw M2x2 that secures the solid state drive thermal bracket and the solid state drive1 to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Removing the solid state drive2 Prerequisites 1 Follow the procedure in Before working inside your computer CAUTION Solid state drives are fragile Exercise care wh...

Page 22: ...g the solid state drive2 Prerequisites If you are replacing a component remove the existing component before performing the installation procedure CAUTION Solid state drives are fragile Exercise care when handling the solid state drive NOTE Your computer supports 2 solid state drive slots Solid state drive1 is the primary slot and solid state drive2 is the secondary slot If you are installing only...

Page 23: ...olid state drive2 to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Installing the M 2 2230 solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task This computer supports two solid state drive form factors M 2 2230 M 2 2280 If you ar...

Page 24: ...he M 2 2230 solid state drive card to the solid state drive card slot2 see installing the solid state drive2 Fans Removing the left fan Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following images indicate the location of the left fan and provide a visual representation of the removal procedure 24 Removing and installing c...

Page 25: ...at sink and then lift it from the palm rest and keyboard assembly Installing the left fan Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the left fan and provide a visual representation of the installation procedure Removing and installing components 25 ...

Page 26: ...the system board and palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Removing the right fan Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following images indicate the location of the right fan and provide a visual representation of the removal ...

Page 27: ...n cable from the system board 5 Slide the fan out of the heat sink and lift the fan off the palm rest and keyboard assembly Installing the right fan Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the right fan and provide a visual representation of the installati...

Page 28: ...er 2 Follow the procedure in After working inside your computer Heat sink Removing the heat sink Prerequisites 1 Follow the procedure in Before working inside your computer 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 NOTE The heat sink may become hot during nor...

Page 29: ...nent before performing the installation procedure CAUTION Incorrect alignment of the heat sink can damage the system board and processor NOTE If either the system board or the heat sink is replaced use the thermal pad or thermal paste provided in the kit to ensure that thermal conductivity is achieved About this task The following image indicates the location of the heat sink and provides a visual...

Page 30: ...em board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Speakers Removing the speakers Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the speakers and provides a visual representation of the removal procedure 30 Removing and installing...

Page 31: ...peaker cable from the routing guides on the palm rest and keyboard assembly 5 Lift the speakers along with the cables off the palm rest and keyboard assembly Installing the speakers Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the speakers and provides a visual...

Page 32: ...board assembly 5 Connect the speaker cable to the system board and adhere the tape that secures the speaker cable to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer I O board Removing the I O board Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the right fan About this ta...

Page 33: ...ft the bracket off the I O board 4 Lift the I O board off the palm rest and keyboard assembly Installing the I O board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the I O board and provides a visual representation of the installation procedure Removing and ins...

Page 34: ... board 4 Connect the I O board cable to the connector on the system board and I O board Next steps 1 Install the right fan 2 Install the base cover 3 Follow the procedure in After working inside your computer Display assembly Removing the display assembly Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following images indicat...

Page 35: ...Removing and installing components 35 ...

Page 36: ... display assembly hingea to the system board and the palm rest and keyboard assembly 6 Slide the palm rest and keyboard assembly from the display assembly 7 After performing all the above steps you are left with display assembly Installing the display assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task T...

Page 37: ...Removing and installing components 37 ...

Page 38: ...holder with the screw holes on the palm rest and keyboard assembly 6 Connect the touchscreen cable and camera cable to the display assembly cable 7 Replace the two screws M1 6x3 that secure the display assembly cable holder to the palm rest and keyboard assembly NOTE Apply gentle torque when tightening the two screws M1 6x3 to avoid damaging the screw threads 8 Align the screw holes on the display...

Page 39: ...veral times and then an error message is displayed Time of day not set Enter the BIOS when this error appears and set the date and time on your computer to resume normal functionality 2 Remove the base cover 3 Remove the battery 4 Remove the speakers 5 Remove the memory 6 Remove the solid state drive1 7 Remove the solid state drive2 8 Remove the heat sink NOTE The system board can be removed or in...

Page 40: ...40 Removing and installing components ...

Page 41: ...m rest and keyboard assembly 9 Lift the USB Type C bracket from the palm rest and keyboard assembly 10 Open the latch and disconnect the keyboard control board cable the system board 11 Remove the two screws M2x4 that secure the system board to the palm rest and keyboard assembly 12 Lift the system board off the palm rest and keyboard assembly Installing the system board Prerequisites If you are r...

Page 42: ...times and then an error message is displayed Time of day not set Enter the BIOS when this error appears and set the date and time on your computer to resume normal functionality About this task The following image indicates the connectors on your system board Figure 2 System board connectors 1 Fingerprint reader board cable 2 Antenna cables 3 Keyboard control board cable The following images indic...

Page 43: ...Removing and installing components 43 ...

Page 44: ...the cable 9 Connect the antenna cables to the wireless card 10 Align the screw hole on the wireless card bracket with the screw hole on the system board 11 Replace the screw M1 6x3 that secures the wireless card bracket to the system board 12 Connect the touch screen cable and camera cable to the display assembly cable 13 Replace the two screws M1 6x3 that secure the display assembly cable holder ...

Page 45: ...d state drive2 8 Remove the heat sink NOTE The system board can be removed or installed together with the heat sink attached This simplifies the procedure and avoids breaking the thermal bond between the system board and the heat sink 9 Remove the right fan 10 Remove the left fan 11 Remove the audio daughter board 12 Remove the display assembly 13 Remove the system board About this task After perf...

Page 46: ...procedure Steps Place the palm rest and keyboard assembly on a flat surface Next steps 1 Install the system board 2 Install the display assembly 3 Install the audio daughter board 4 Install the left fan 5 Install the right fan 6 Install the heat sink 7 Install the solid state drive2 8 Install the solid state drive1 9 Install the memory 10 Install the battery 11 Install the speakers 12 Install the ...

Page 47: ...rivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell Knowledge Based article Drivers and Downloads FAQ SLN128938 3 Drivers and downloads 47 ...

Page 48: ... Setup options changes that you make are recorded but do not take effect until you restart the system Table 2 Navigation keys Keys Navigation Up arrow Moves to the previous field Down arrow Moves to the next field Enter Selects a value in the selected field if applicable or follow the link in the field Spacebar Expands or collapses a drop down list if applicable Tab Moves to the next focus area NO...

Page 49: ... are listed in this section may or may not be displayed Table 3 System setup options System information menu Overview XPS 15 9500 BIOS Version Displays the BIOS version number Service Tag Displays the Service Tag of the computer Asset Tag Displays the Asset Tag of the computer Manufacture Date Displays the manufacture date of the computer Ownership Date Displays the ownership date of the computer ...

Page 50: ... Panel Type of the computer Video Controller Displays the integrate graphics information of the computer Video Memory Displays the video memory information of the computer Wi Fi Device Displays the Wi Fi device installed in the computer Native Resolution Displays the native resolution of the computer Video BIOS Version Displays the video BIOS version of the computer Audio Controller Displays the a...

Page 51: ...N Enable Microphone Enables or disables microphone By default Enable Microphone is selected Enable Internal Speaker Enables or disables internal speaker By default Enable Internal Speaker is selected USB Configuration Enables or disables booting from USB mass storage devices such as external hard drive optical drive and USB drive By default Enable USB Boot Support is selected By default Enable Ext...

Page 52: ...etup options Video menu Video LCD Brightness Brightness on battery power Sets the screen brightness when the computer is running on battery power Default 50 Brightness on AC power Sets the screen brightness when the computer is running on AC power Default 100 Table 7 System setup options Security menu Security Enable Admin Setup Lockout Enables or disables the user from entering BIOS Setup when an...

Page 53: ...easurements into the TPM PCRs during BIOS boot Default ON Clear Enables or disables the computer to clear the PTT owner information and returns the PTT to the default state Default OFF TPM State Enables or disables the TPM This is the normal operating state for the TPM when you want to use its complete array of capabilities Default Enabled SMM Security Mitigation Enables or disables additional UEF...

Page 54: ...t Key Management menu Expert Key Management Enable Custom Mode Enables or disables the keys in the PK KEK db and dbx security key databases to be modified Default OFF Custom Mode Key Management Selects the custom values for expert key management Default PK Table 11 System setup options Performance menu Performance Multi Core Support Active Cores Changes the number of CPU cores available to the ope...

Page 55: ...ng power usage hours Use the below options to prevent AC power usage between certain times of each day Default Adaptive Battery settings are adaptively optimized based on your typical battery usage pattern Enable Advanced Battery Charge Configuration Enables Advanced Battery Charge Configuration from the beginning of the day to a specified work period Advanced Battery Charged maximizes battery hea...

Page 56: ...the operation of the computer hardware will always halt the computer Enable Adapter Warnings Enables or disables the computer to display adapter warning messages when adapters with too little power capacity are detected Default ON Enable Dock Warning Messages Enables or disables dock warning messages Default ON Fastboot Configures the speed of the UEFI boot process Default Thorough Performs comple...

Page 57: ...OS image as long as the Boot Block portion is intact and functioning Default ON NOTE BIOS recovery is designed to fix the main BIOS block and cannot work if the Boot Block is damaged In addition this feature cannot work in the event of EC corruption ME corruption or a hardware issue The recovery image must exist on an unencrypted partition on the drive BIOS Auto Recovery Enables the computer to au...

Page 58: ...an the value specified by the Auto OS Recovery Threshold setup option Default ON Clearing CMOS settings About this task CAUTION Clearing CMOS settings will reset the BIOS settings on your computer Steps 1 Turn off your computer 2 Remove the base cover NOTE The battery must be disconnected from the system board See step 3 in removing base cover 3 Press and hold the power button for 15 seconds to dr...

Page 59: ...n five percent charge Off The computer is in sleep state hibernation or turned off Blinking power and battery charge status light The power and battery status light blinks alternately between amber and off to indicate issues that your computer is encountering For example the power and battery status light blinks amber two times followed by a pause and then blinks white three times followed by a pa...

Page 60: ...ck Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts it automatically starts Dell SupportAssist OS Recovery Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows 10 operating system It consists of tools to diagnose and troubleshoot issues that may occur before you...

Page 61: ...screen to complete the BIOS update Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows Dell proposes multiple options for recovering Windows operating system on your Dell PC For more information see Dell Windows Backup Media and Recovery Options WiFi power cycle About this task If your computer is unable to acc...

Page 62: ... must be disconnected from the system board see Step 3 in removing base cover 3 Press and hold the power button for 15 seconds to drain the flea power 4 Install the base cover 5 Turn on your computer 62 Troubleshooting ...

Page 63: ...keys for multi media control as indicated by the icon at the bottom of the key Press the function key to invoke the task represented by the icon For example pressing F1 mutes the audio refer to the table below However if the function keys F1 F12 are needed for specific software applications multi media functionality can be disabled by pressing Fn esc Subsequently multimedia control can be invoked ...

Page 64: ... screen Home End The Fn key is also used with selected keys on the keyboard to invoke other secondary functions Table 22 List of keyboard shortcuts Function key Behavior Pause Break Toggle scroll lock System request Open application menu Toggle Fn key lock 64 Keyboard shortcuts of XPS 15 9500 ...

Page 65: ... topic or model number and then click or tap the search icon to view the related articles Learn and know the following information about your product Product specifications Operating system Setting up and using your product Data backup Troubleshooting and diagnostics Factory and system restore BIOS information See Me and My Dell at www dell com support manuals To locate the Me and My Dell relevant...

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