Dell Latitude 7220EX Rugged Extreme Tablet Service Manual
Dell Latitude 7220EX Rugged Extreme Tablet Manual
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Dell Latitude 7220EX Rugged Extreme Tablet manual content summary:
- Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 1
Latitude 7220EX Rugged Extreme Tablet Service Manual Regulatory Model: T03H Regulatory Type: T03H004 - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 2
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 - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 3
tablet...5 Safety instructions...5 Before working inside the tablet...5 Safety precautions...6 Electrostatic discharge-ESD protection...6 ESD field service kit ...7 After working inside the tablet...7 2 Major components of the tablet support 23 Updating the Dell BIOS in Linux and Troubleshooting - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 4
Recovering the operating system...29 WiFi power cycle...29 5 Getting help...31 Contacting Dell...31 4 Contents - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 5
with your tablet. • A troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 6
instructions. ESD field service kit when working inside any tablet to avoid obvious, such as intermittent problems or a shortened product Dell products, the sensitivity to static damage is now higher than in previous Dell of damage to recognize and troubleshoot is the intermittent (also called - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 7
bag and packaging that the new part arrived in. The ESD 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 the tablet - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 8
3. Turn on your tablet. 8 Working on your tablet - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 9
2 Major components of the tablet 1. Display assembly 2. Coin-cell battery Major components of the tablet 9 - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 10
16. Microphone assembly circuit board 17. System fan 18. Solid-state drive 19. Front camera cable 20. Front camera cover 10 Major components of the tablet - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 11
3 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: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 12
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 Displays BIOS Version, Service Tag, Asset Tag, Ownership Tag, Manufacture Date, Ownership Date, and the Express Service Code. • - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 13
disable the integrated USB controller for: • Enable USB Boot Support • Enable External USB Port All the options are enabled 75% • Level is 100%-enabled by default Tablet Buttons Illumination This controls the LED brightness for the following tablet buttons: Power, Rotation Lock, LCD Brightness - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 14
main keyboard illumination feature is not affected. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the • Touchscreen (selected by default) This option configures the Dell Stealth Mode feature: Checking 'Enable Stealth Mode' enables this - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 15
UEFI capsule update packages. This option is selected by default. Disabling this option will block BIOS updates from services such as Microsoft Windows Update and Linux Vendor Firmware Service (LVFS) Allows you to control whether the Trusted Platform Module (TPM) is visible to the operating system - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 16
Disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute Software. • Enabled - This option is selected This option is not set by default. Allows you to disable master password support Hard Disk passwords need to be cleared before the settings can be changed. - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 17
Memory Size Click one of the following options: • 32 MB • 64 MB • 128 MB-Default Performance Table 6. Performance Option Multi Core Support Intel SpeedStep C-States Control Intel TurboBoost Description This field specifies whether the process has one or all cores enabled. The performance of some - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 18
• Every Day • Weekdays • Select Days Default setting: Disabled USB Wake Support Allows you to enable USB devices to wake the system from Standby. NOTE: from all the USB ports to conserve battery power. • Enable Wake on Dell USB-C Dock Wake on LAN Allows you to enable or disable the feature - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 19
select the charging mode for the battery. The options are: • Standard-enabled by default • ExpressCharge-The battery charges over a shorter time using Dell's fast charging technology. Type-C Connector This allows you to set the maximum power that can be drawn from the Type-C connector. The options - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 20
. • 5 seconds • 10 seconds • Enable Full Screen Logo-not enabled • Enable Tablet Button LED Sign of Life-enabled by default • Prompt on warnings and errors-enabled by • Enable MEBx hotkey-enabled by default Virtualization support Option Description Virtualization This field specifies whether a - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 21
of WLAN Allows enabling/disabling of WWAN Allows enabling/disabling of GPS Maintenance screen Option Service Tag Asset Tag BIOS Downgrade Data Wipe BIOS Recovery First Power On Date Description Displays the Service Tag of your computer. Allows you to create a system asset tag if an asset tag - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 22
system BIOS, and then re-enabled after the BIOS update is completed. Steps 1. Restart the computer. 2. Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit. • Click Detect Product and follow the instructions on screen. 3. If you are unable to detect or find the - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 23
Run to install the updated BIOS settings on your computer. Follow the instructions on the screen. Updating BIOS on systems with BitLocker enabled CAUTION: If information about this subject, see Knowledge Article: https://www.dell.com/support/article/ sln153694 Updating your system BIOS using a USB - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 24
will need: • USB key formatted to the FAT32 file system (key does not have to be bootable) • BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB key • AC power adapter connected to the system • Functional system battery to flash the BIOS Perform - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 25
4. Select external USB device 5. Once the file is selected, Double click the flash target file, then press submit . System setup 25 - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 26
6. Click the Update BIOS then system will reboot to flash the BIOS. 7. Once complete, the system will reboot and the BIOS update process is completed. System and setup password Table 10. System and setup password Password type System password Setup password Description Password that you must - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 27
space 3. Type the system password that you entered earlier in the Confirm new password field and click OK. 4. Press Esc and a message prompts you NOTE: If you change the System and/or Setup password, re-enter the new password when prompted. If you delete the System and/or Setup password, confirm - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 28
4 Troubleshooting Enhanced successfully • View error messages that inform you of problems encountered during testing NOTE: Some tests for specific devices on your computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. If no keyboard attached, Press and hold the volume up - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 29
Guide at www.dell.com/ support. WiFi power cycle About this task If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: Troubleshooting - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 30
NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device. Steps 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. 30 Troubleshooting - Dell Latitude 7220EX Rugged Extreme Tablet | Service Manual - Page 31
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: Steps 1. Go to https://dell.com/support. 2. Select your support category. 3. Verify your country or region in the Choose
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Latitude 7220EX Rugged Extreme Tablet
Service Manual
Regulatory Model: T03H
Regulatory Type: T03H004