Dell Latitude 7380 Owner's Manual Regulatory Model: P28S Regulatory Type: P28S001
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage 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. Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
1 Working on your computer Safety precautions The safety precautions chapter details the primary steps to be taken before performing any disassembly instructions. Observe the following safety precautions before you perform any installation or break/fix procedures involving disassembly or reassembly: • Turn off the system and all attached peripherals. • Disconnect the system and all attached peripherals from AC power.
tracing is merely weakened and does not immediately produce outward symptoms related to the damage. The weakened trace may take weeks or months to melt, and in the meantime may cause degradation of memory integrity, intermittent memory errors, etc. The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or "walking wounded") failure. Perform the following steps to prevent ESD damage: • Use a wired ESD wrist strap that is properly grounded.
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 components.
After working inside your computer After you complete any replacement procedure, ensure that you connect external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. 1 Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.
2 Removing and installing components This section provides detailed information on how to remove or install the components from your computer. Recommended tools The procedures in this document require the following tools: • Phillips #0 screwdriver • Phillips #1 screwdriver • Small plastic scribe Screw size list Table 1. Latitude 7380 - screw size list Component Back cover M2.5x 6.0 M2.0 x 5.0 M2.5 x 4.0 M2.0x3.0 M2.0 x 2.
Subscriber Identification Module (SIM) card Removing SIM card or SIM card tray NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. Hence, removing procedure is only applicable for systems that are shipped with WWAN module. CAUTION: Removing the SIM card when the computer is On, may cause data loss or damage the card. Ensure that your computer is turned off or the network connections are disabled.
2 Slide the dummy SIM card tray out of the system. Base cover Removing base cover 1 Follow the procedure in Before working inside your computer. 2 To release the base cover: a Remember: Exercise caution when loosening the screws. Angle the screw driver to match the head of the screw to avoid a possible stripped screw head. Loosen the M2.5 x 6.0 captive screws that secure the base cover to the computer [1].
3 Lift the base cover from the computer. Installing base cover 1 Align the base cover tabs to the slots on the edges of the computer. 2 Press the edges of the cover until it clicks into place. 3 Tighten the M2.5 x 6.0 captive screws to secure the base cover to the computer. Remember: Exercise caution when tightening the screws. Angle the screw driver to match the head of the screw to avoid a possible stripped screw head. 4 Follow the procedure in After working inside your computer.
Battery Lithium-ion battery precautions CAUTION: • Exercise caution when handling Lithium-ion batteries. • Discharge the battery as much as possible before removing 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.
Installing 3-cell battery 1 Insert the battery into the slot on the computer. 2 Route the battery cable through the routing clip and connect the battery cable to the connector on the system board. NOTE: Route the battery cable, if the cable at the base of the battery is unrouted. 3 Tighten the M2.0 x 5.0 screw to secure the battery to the computer. 4 Install the base cover 5 Follow the procedure in After working inside your computer.
Installing 4-cell battery 1 Insert the battery into the slot on the computer. 2 Route the battery cable through the routing clip and connect the battery cable to the connector on the system board. NOTE: Route the battery cable, if the cable at the base of the battery is un routed. 3 Tighten the two M2.0 x 5.0 screws to secure the battery to the computer. 4 Install the base cover 5 Follow the procedure in After working inside your computer.
Installing PCIe SSD 1 Insert the PCIe SSD card into the connector. 2 Install the SSD bracket over the PCIe SSD card. 3 Tighten the M2.0x3.0 screws to secure it the SSD bracket. 4 Install the base cover. 5 Follow the procedure in After working iinside your computer. NOTE: When installing the SSD bracket, ensure that the tab on the bracket is held securely with the tab on the palm rest. SATA Solid State Drive (SSD) Removing SATA SSD 1 Follow the procedure in Before working inside your computer.
Installing SATA SSD 1 Insert the SATA SSD card into the connector. 2 Tighten the screw to secure the SATA SSD to the system board. 3 Install the base cover. 4 Follow the procedure in After working inside your computer. Speaker Removing speaker module 1 Follow the procedure in Before working inside your computer. 2 Remove the: a b 3 base cover battery To release the speaker module: a Disconnect the speaker cable from the connector on the system board [1].
4 To remove the speaker module: 16 a Remove the M2.0x3.0 screws that secure the speaker module to the computer [1]. b NOTE: Refer the speaker screw list Lift the speaker module from the computer .
Installing speaker module 1 Place the speaker module into the slots on the computer. 2 Tighten the M2.0x3.0 screws to secure the speaker to the computer. 3 Route the speaker cable through the retention clips on the computer. 4 Connect the speaker cable to the connector on the system board. 5 Install the: a b 6 battery base cover Follow the procedure in After working inside your computer.
Installing coin cell battery 1 Affix the coin cell battery on the slot inside the computer. 2 Route the coin cell battery cable through the routing channel before connecting the cable. 3 Connect the coin cell battery cable to the connector on the system board. 4 Install the base cover. 5 Follow the procedure in After working inside your computer. WWAN card Removing WWAN card 1 Follow the procedure in Before working inside your computer. 2 Remove the base cover.
Installing WWAN card 1 Insert the WWAN card into the connector on the system board. 2 Connect the WWAN cables to the connectors on the WWAN card. 3 Place the metal bracket and tighten the M2.0 x 3.0 screw to secure it to the computer. 4 Install the base cover. 5 Follow the procedure in After working inside your computer. NOTE: The IMEI number can also be found on the WWAN card. WLAN card Removing WLAN card 1 Follow the procedure in Before working inside your computer. 2 Remove the base cover.
Installing WLAN card 1 Insert the WLAN card into the connector on the system board. 2 Connect the WLAN cables to the connectors on the WLAN card. 3 Place the metal bracket and tighten the M2.0 x 3.0 screw to secure it to the computer. 4 Install the base cover. 5 Follow the procedure in After working inside your computer. Memory module Removing memory module 1 Follow the procedure in Before working inside your computer. 2 Remove the base cover.
Installing memory module 1 Insert the memory module into the connector until snaps in. 2 Install the base cover. 3 Follow the procedures in After working inside your computer. Heat sink Removing heat sink assembly Heat sink assembly comprises of heat sink and the system fan. 1 Follow the procedure in Before working inside your computer. 2 Remove the base cover. 3 To remove the heat sink assembly: NOTE: To identify the number of screws, see screw list.
Installing heat sink assembly Heat sink assembly comprises of heat sink and the system fan. 1 Align the heat sink assembly with screw holders on the system board. 2 Tighten the M2.0 x 3.0 screws to secure the heat sink to the system board. NOTE: Tighten the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heat sink. 3 Tighten the M2.0 x 5.0 screws to secure the fan to the system board 4 Connect the fan cable to the connector on the system board. 5 Install the base cover.
Installing power connector port 1 Install the power connector port into the slot on the computer. 2 Place the metal bracket on the power connector port. 3 Tighten the M2.0x3.0 screw to secure the power connector port to the computer. 4 Connect the power connector port cable to the connector on the system board. 5 Install the base cover. 6 Follow the procedure in After working inside your computer. LED board Removing LED board 1 Follow the procedure in Before working inside your computer.
d Lift the LED board from the computer [4]. Installing LED board 1 Insert the LED board into the slot on the computer. 2 Tighten the M2.0 x 2.5screw to secure the LED board. 3 Route the LED cable through the routing channel. 4 Connect the LED cable to the LED board. 5 Install the base cover. 6 Follow the procedure in After working inside your computer. Smart card module Removing smart card cage 1 Follow the procedure in Before working inside your computer.
4 To remove the smart card cage: a b Remove the M2.0 x 3.0 screws that secure the smart card cage to the computer [1]. Slide and lift the smart card cage from the computer [2].
Installing smart card cage 1 Slide the smart card cage into the slot to align with the tabs on the computer. 2 Tighten the M2.0 x 3.0 screws to secure the smart card cage to the computer. 3 Affix the smart card cable and connect it to the connector on the computer . 4 Install the: a b c 5 PCIe SSD card battery base cover Follow the procedure in After working inside your computer. Touchpad buttons board Removing touchpad buttons board 1 Follow the procedure in Before working inside your computer.
a b c 4 Disconnect the smart card cable [1]. Lift the smart card cable that is affixed to the computer [2] to reveal the touchpad buttons board cable. Remove the adhesive tape that secures the speaker cable to the touchpad panel [3]. To remove the touchpad buttons board: a Disconnect the touchpad buttons board cable from the touchpad board [1]. b NOTE: The touchpad buttons board cable is below the smart card cable. Remove screws that secure the touchpad buttons board [2].
Installing touchpad buttons board 1 Insert the touchpad buttons board into the slot to align the tabs with the grooves on the computer. 2 Tighten the M2.0 x 2.5screws to secure the touchpad buttons board to the computer. 3 Connect the touchpad buttons board cable to the connector on the touchpad board. 4 Affix the smart card cable and connect it to the connector on the computer 5 Install the: a b 6 speaker base cover Follow the procedure in After working inside your computer.
NOTE: To identify the number of screws, see screw list 3 To remove the display assembly: a b c d Un route the WLAN and WWAN cables from the routing channels [1]. Remove the M2.0 x 5.0 screws that secures the eDP bracket [2]. Lift the eDP bracket from the eDP cable [3]. Disconnect the eDP cable from its connector on the system board [4]. e NOTE: In touch-configuration system, you need to remove the touch display cable connected to its connector on the system board.
Installing display assembly 1 Place the base of the computer on a plane surface of a table and position it closer to the edge of the table. 2 Install the display assembly to align it with the display hinge holders on the system. 3 Holding the display assembly, tighten the M2.5 x 4.0 screws to secure the display hinges on the system display assembly with the system unit. 4 Affix the tapes to secure the eDP cable (display cable).
a b c d base cover WLAN card WWAN card display assembly NOTE: To identify the number of screws, see screw list 3 Push the display hinge cap to the right. 4 Remove the display hinge cap. Installing display hinge Cap 1 Insert the display hinge cap to the display assembly. 2 Push the display hinge cap to the left to secure it. 3 Install the: a b c d 4 display assembly WLAN card WWAN card base cover Follow the procedure in After working inside your computer.
System board Removing system board 1 Follow the procedure in Before working inside your computer. 1 If your computer is shipped with a WWAN card, then the removal of a blank SIM card tray is a requirement. 2 Remove the: a b c d e f g h i SIM card dummy SIM card tray base cover battery memory module PCIe SSD WLAN card WWAN card heat sink assembly 2 To identify the screws, see screw list 3 Remove the M2.0 x 3.0 screw that secures the memory module bracket to the system board [1].
4 To disconnect the eDP cable: NOTE: If your system is shipped with an IR camera, then the IR cable must be disconnected. The IR cable is located beneath the eDP cable connector a b c d e Un route the WLAN and WWAN cables from the routing channels [1]. Remove the M2.0 x 3.0 screws that secure the eDP cable [2]. Remove the eDP cable bracket [3]. Disconnect the eDP cable from the system board [4]. Lift the tape that secures the eDP cable to the system board [5].
5 To disconnect the cables: NOTE: To disconnect the speaker, LED board, coin cell battery and the power connector port cables, use a plastic scribe to release the cable from the connector.
6 To remove the system board: a Disconnect the M2.0x3.0 screws that secure the system board to computer [1]. b NOTE: Refer system board screw list Lift the system board away from the computer.
7 Remove the M2.0x5.0 screws that secure the USB Type-C bracket. 8 Flip the system board, peel off the tapes securing the bracket and remove the USB Type-C port from the system board.
Installing system board 1 Align the system board with the screw holders on the computer. 2 Tighten the M2.0 x 5.0 screws to secure the system board to the computer. 3 Connect the speaker, power connector, LED board, touchpad, and USH cables to the connectors on the system board. 4 Connect the eDP cable to the connector on the system board. 5 Place the metal bracket over the eDP cable and tighten the M2.0 x 3.0screw to secure it.
g h 3 Disconnect the cables from the palmrest end: a b c 4 heat sink assembly system board touchpad and USH board cables [1] keyboard backlight cable [2] keyboard cable [3] To remove the keyboard assembly: NOTE: To identify the screws, see screw list a b 38 Remove the M2.0 x 2.5 screws that secure the keyboard [1]. Lift the keyboard assembly from the chassis [2].
Installing keyboard assembly NOTE: The keyboard and the keyboard tray together are called the keyboard assembly. 1 Align the keyboard assembly with the screw holders on the computer. 2 Tighten the M2.0 x 2.5 screws that secure the keyboard to the chassis. 3 Connect the keyboard cable, keyboard backlight cable, touchpad cable and USH cable to the connectors on the touchpad buttons board.
Keyboard Removing keyboard from keyboard tray 1 Follow the procedure in Before working inside your computer. 2 Remove the keyboard assembly 3 Remove the M2.0 x 2.0 screws that secure the keyboard to the keyboard assembly [1]. 4 Lift the keyboard away from the keyboard tray [2]. Installing keyboard to keyboard tray 1 Align the keyboard with the screw holders on the keyboard tray. 2 Tighten the M2.0 x 2.0 screws to secure the keyboard to the keyboard tray. 3 Install the keyboard assembly.
Palm rest Replacing palm rest 1 Follow the procedure in Before working inside your computer. 2 Remove the: a b c d e f g h i j k l m base cover battery memory module PCIe SSD WLAN card WWAN card power connector port heat sink assembly coin cell battery speaker display assembly system board keyboard The component you are left with is the palm rest. 3 Replace the palm rest.
d e f g h i j k l m 5 speaker coin cell battery heatsink power connector port WLAN card WWAN card PCIe SSD memory battery base cover Follow the procedure in After working inside your computer.
3 Technology and components This chapter details the technology and components available in the system. Topics: • • USB features HDMI 1.4 USB features Universal Serial Bus, or USB, was introduced in 1996. It dramatically simplified the connection between host computers and peripheral devices like mice, keyboards, external drivers, and printers. Let's take a quick look on the USB evolution referencing to the table below. Table 2. USB evolution Type Data Transfer Rate Category Introduction Year USB 3.
commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept to maintain backward compatibility. USB 3.0/USB 3.1 Gen 1 achieves the much higher performance by the technical changes below: • An additional physical bus that is added in parallel with the existing USB 2.0 bus (refer to the picture below). • USB 2.0 previously had four wires (power, ground, and a pair for differential data); USB 3.0/USB 3.
Compatibility The good news is that USB 3.0/USB 3.1 Gen 1 has been carefully planned from the start to peacefully co-exist with USB 2.0. First of all, while USB 3.0/USB 3.1 Gen 1 specifies new physical connections and thus new cables to take advantage of the higher speed capability of the new protocol, the connector itself remains the same rectangular shape with the four USB 2.0 contacts in the exact same location as before.
Key Features of Thunderbolt 3 over USB Type-C 1 Thunderbolt, USB, DisplayPort and power on USB Type-C on a single cable (features vary between different products) 2 USB Type-C connector and cables which are compact and reversible 3 Supports Thunderbolt Networking (*varies between different products) 4 Supports up to 4K displays 5 Up to 40 Gbps NOTE: Data transfer speed may vary between different devices. Thunderbolt Icons Figure 2.
• Content Type - Real-time signaling of content types between display and source devices, enabling a TV to optimize picture settings based on content type • Additional Color Spaces - Adds support for additional color models used in digital photography and computer graphics • 4 K Support - Enables video resolutions far beyond 1080p, supporting next-generation displays that will rival the Digital Cinema systems used in many commercial movie theaters • HDMI Micro Connector - A new, smaller connector for
4 Software This chapter details the supported operating systems along with instructions on how to install the drivers. Topics: • Supported operating systems • Downloading drivers Supported operating systems Table 3.
Chipset driver The chipset driver helps the system identify the components and install necessary drivers accurately. Verify that the chipset was installed in the system by checking the below controllers. Many of the common devices are visible under Other Devices if no drivers are installed. The unknown devices disappear once you install the chipset driver. Make sure to install the following drivers, some of them may exist by default.
Management Engine Interface drivers Serial IO driver Verify if the drivers for Touchpad, IR camera, and keyboard and are installed. Figure 3. Serial IO driver Graphics controller driver Verify if the graphics controller driver is already installed in the computer. Table 4. Graphics controller driver Before Installation USB drivers Verify if the USB drivers are already installed in the computer.
Network drivers Install the WLAN and Bluetooth drivers from the Dell support site. Table 5. Network drivers Before installation After installation Realtek Audio Verify if audio drivers are already installed in the computer. Table 6.
Serial ATA drivers Install the latest Intel Rapid Storage driver for best performance. Using the default Windows storage drivers is not recommended. Verify if the default serial ATA drivers are installed in the computer. Security drivers This section lists the security devices in the Device Manager. Security device drivers Verify if the security device drivers are installed in the computer. Fingerprint sensor drivers Verify if the Fingerprint sensor drivers are installed in the computer.
5 System specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer.
Memory specifications Feature Specification Memory connector One SO-DIMM slot Memory type DDR4 SDRAM—2133 MHz Minimum memory 4 GB Maximum memory 16 GB Video specifications Feature Specification Type Integrated on system board UMA controller External display support • Intel Integrated HD Graphics 620 • Intel Integrated HD Graphics 520 (available with Intel 6th Gen Core I only) • On system – eDP (internal display), HDMI • Optional Type-C port – VGA, DisplayPort 1.
Feature Specification Length 200.5 mm (7.89 inches) Width 95.9 mm (3.78 inches) Height 5.7 mm (0.22 inch) Weight 185.0 g (0.41 lb) Voltage 11.4 VDC 60 WHr (4–cell): Length 238 mm (9.37 inches) Width 95.9 mm (3.78 inch) Height 5.7 mm (0.22 inch) Weight 270 g (0.6 lb) Voltage 7.
Port and connector specifications Feature Specification Audio Microphone-in, stereo headphones, and headset combo connector Video HDMI 1.4 Network adapter One RJ-45 connector USB • Two USB 3.1 Gen1 ports - one PowerShare capable • Type-C USB 3.1 Display port (optional Thunderbolt 3 controller) Memory card reader one Micro SD 4.0 Micro Subscriber Identity Module (uSIM) card One Docking port None NOTE: Cable docking - USB type-C docking .
Table 7. Camera specifications Camera features 13 HD/FHD 13" FHD 13" FHD touch Camera Type HD fixed focus HD fixed focus HD fixed focus IR Camera N/A Yes N/A Sensor Type CMOS sensor technology CMOS sensor technology CMOS sensor technology Resolution: Motion Video Up to 1280x720 (0.92MP) Up to 1280x720 (0.92MP) Up to 1280x720 (0.92MP) Resolution: Still Image Up to 1280 x 720 (0.92MP) Up to 1280 x 720 (0.92MP) Up to 1280 x 720 (0.
• Diagonal: 13.3” Native Resolution 1920 x 1080 Megapixels 2.07 Pixels per Inch (PPI) 166 Contrast Ratio (min) 800:1 Response Time (max) 35msec rise/fall Refresh Rate 60 Hz Horizontal View Angle +/- 80 degrees Vertical View Angle +/- 80 degrees Pixel Pitch 0.153 mm Power Consumption (maximum) 5.2 W Dimensions and Weight Table 10. Dimensions Dimensions Inches Millimeter Width 12.00 304.80 Depth 8.19 207.95 Height (front, full ) for NT FHD and Touch FHD 0.657 16.
Altitude— maximum Specifications Operating –15.2 m to 3048 m (–50 to 10,000 ft) 0°C to 35°C Non-operating –15.24 m to 10,668 m (–50 ft to 35,000 ft) Airborne contaminant level G2 or lower as defined by ISA S71.
6 System setup System setup enables you to manage your tablet hardware and specify BIOS level options.
• Other Options: – BIOS Setup – BIOS Flash Update – Diagnostics – Change Boot Mode Settings 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. 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.
Option Description • Onboard NIC Boot sequence options • Windows boot manager • WindowsIns Advanced Boot list options • Legacy • UEFI—selected by default Advanced Boot Options This option allows you the legacy option ROMs to load. By default, the Enable Attempt Legacy Boot is disabled.
Option Description If USB port is enabled, device attached to this port is enabled and available for OS. If USB port is disabled, the OS cannot see any device attached to this port. The options are: Dell Type-C dock configuration • Enable USB Boot Support (by default enable) • Enable External USB Port (by default enable) Allows you to enable option- Always Allow Dell Docks.
Option Description NOTE: Successful password changes take effect immediately. Default setting: Not set System Password Allows you to set, change, or delete the system password. NOTE: Successful password changes take effect immediately. Default setting: Not set Mini SATA SSD-2 Password Allows you to set, change or delete the password on the mini card Solid State Drive (SSD). NOTE: Successful password changes take effect immediately.
Option Description NOTE: To upgrade or downgrade TPM1.2/2.0, download the TPM wrapper tool (software). Computrace Allows you to activate or disable the optional Computrace software The options are: • Deactivate • Disable • Activate (default) NOTE: The Activate and Disable options will permanently activate or disable the feature and no further changes will be allowed CPU XD Support Allows you to enable the Execute Disable mode of the processor.
Option Description • Delete All Keys—Deletes all the keys NOTE: If you disable the Custom Mode, all the changes made will be erased and the keys will restore to default settings. Intel Software Guard Extensions screen options Option Description Intel SGX Enable This field specifies you to provide a secured environment for running code/storing sensitive information in the context of the main OS.
Option Description Hyper-Thread Control Allows you to enable or disable the Hyper-Threading in the processor. • Disabled • Enabled Default setting: Enabled. Power Management screen options Option Description AC Behavior Allows you to enable or disable the computer from turning on automatically when an AC adapter is connected. Default setting: Wake on AC is not selected. Auto On Time Allows you to set the time at which the computer must turn on automatically.
Option Description Peak Shift This option enables you to minimize the AC power consumption during the peak power times of day. After you enable this option, your system runs only in battery even if the AC is attached. • Enable Peak Shift Default setting: Disabled Advanced Battery Charge Configuration This option enables you to maximize the battery health.
Option Description Numlock Enable Allows you to enable the Numlock option when the computer boots. This option is enabled by default. Fn Key Emulation Allows you to set the option where the Scroll Lock key is used to simulate the Fn key feature. Enable Fn Key Emulation (default) Fn Lock Options Fastboot Extended BIOS POST Time Allows you to let hot key combinations Fn + Esc toggle the primary behavior of F1–F12, between their standard and secondary functions.
Wireless screen options Option Description Wireless Switch Allows to set the wireless devices that can be controlled by the wireless switch. The options are: • WWAN • GPS (on WWAN Module) • WLAN/WiGig • Bluetooth All the options are enabled by default. NOTE: For WLAN and WiGig enable or disable controls are tied together and they cannot be enabled or disabled independently. Wireless Device Enable Allows you to enable or disable the internal wireless devices.
Updating the BIOS in Windows It is recommended to update your BIOS (System Setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS update is completed. 1 Restart the computer. 2 Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit.
Figure 4. DOS BIOS Update Screen System and setup password You can create a system password and a setup password to secure your computer. Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. CAUTION: The password features provide a basic level of security for the data on your computer.
Deleting or changing an existing system and/or setup password Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked. To enter the System Setup, press F2 immediately after a power-on or reboot. 1 In the System BIOS or System Setup screen, select System Security and press Enter. The System Security screen is displayed.
7 Troubleshooting Dell Enhanced Pre-Boot System Assessment (ePSA) diagnostic 3.0 You can invoke the ePSA diagnostics by either: • Press the F12 key when the system boots and choosing Diagnostics option. • Press Fn+PWR when the system boots. For more details, see Dell EPSA Diagnostic 3.0. Diagnostic LED This section details the diagnostic features of the battery LED in a notebook. Instead of beep codes errors are indicated via the bicolor Battery Charge LED.
Real Time Clock (RTC) reset The Real Time Clock (RTC) reset function allows you or the service technician to recover the recently launched model Dell Latitude and Precision systems from select No POST/No Boot/No Power situations. You can initiate the RTC reset on the system from a power off state only if it is connected to AC power. Press and hold the power button for 25 seconds. The system RTC reset occurs after you release the power button.
