Dell™ Latitude™ XT2 Service Manual Tablet-PC Features Working on Your Tablet-PC Adding and Replacing Parts Specifications Diagnostics System BIOS Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
System BIOS Dell™ Latitude™ XT2 Service Manual BIOS Screen Navigation Keystrokes Menu Boot Menu Entering System Setup Your Tablet-PC offers the following system BIOS options: l l Bring up a one-time boot menu by pressing Access the System Setup utility by pressing BIOS Screen Navigation Keystrokes Use the following keystrokes to navigate the BIOS screens.
Diagnostics Dell™ Latitude™ XT2 Service Manual Device Status Battery Status Keyboard Status LED Error Codes Device Status LEDs Device status LEDs are a good source for diagnosing common problems that may occur on your Tablet-PC. Turns on when you turn on the Tablet-PC and blinks when the Tablet-PC is in a power management mode. Turns on when the Tablet-PC reads or writes data. Turns on steadily or blinks to indicate battery charge status. Turns on when wireless networking is enabled.
3. 4. same slot and test. Test the other slot with both modules. Replace the memory Replace the system board. Modem Error 1. 2. 3. Reseat the modem. Replace the modem. Replace the system board. OFF Option ROM Error 1. 2. 3. Reseat the device. Replace the device. Replace the system board. ON OFF Storage device error 1. 2. 3. 4. Reseat the hard drive and optical drive. Test the computer with just the hard drive and just the optical drive. Replace the device that is causing the failure.
Digitizer Options Tab Dell™ Latitude™ XT2 Service Manual The Digitizer Options tab is used for the following: l l l l Input mode selection Touch tuning Launching diagnostics Restoring default settings Input Mode The N-trig applet has 4 operating modes: l Pen Only — In this mode, the stylus is the only device that can be used as the input device with the N-trig digitizer.
Use this table to define the result codes. Digitizer Self Test Result Codes Code Error Details Symptoms A-trigs connectivity Digitizer analog processor fail Digitizer is unable to initialize or read samples from analog processor. No pen or touch position is reported. 11 Stylus excitation No pen excitation Signals received during the stylus excitation test are below certain limit. Pen may be not functional or detected in tip only.
Tablet-PC Features Dell™ Latitude™ XT2 Service Manual Tablet-PC Modes Tablet-PC Buttons Tablet-PC Interface Tablet-PC Settings Tablet-PC Pen Application Matrix
Interaction Options Tab Dell™ Latitude™ XT2 Service Manual The Interaction Options tab controls the visual and sound effects that can modify the user experience while operating the system's various modes. Auto Mode Switching Graphical Indicator This section enables you to select a .gif file (image) to be displayed whenever an auto mode switching event is detected. You can select the event that will cause the graphical indicator to appear: l l Pen ® Touch: Pen is detected after finger usage.
Application Matrix Dell™ Latitude™ XT2 Service Manual The following matrix shows the gestures supported by the operating system and specific application software packages. Other applications may also respond to these gestures.
Multi-Touch Gestures Feature Dell™ Latitude™ XT2 Service Manual Gestures Gestures are expressions made while touching the screen of your Tablet PC with two fingers. They are interpreted as user commands to the operating system or active application software. When the operating system recognizes a gesture, an icon confirming the gesture appears on the screen. This multi-touch update includes three gestures: a scroll gesture, a zoom gesture, and a two-finger double-tap gesture.
About Tab Dell™ Latitude™ XT2 Service Manual The About tab is used to find information such as the driver version and firmware revision numbers. The firmware revision number can also be obtained by hovering your pointer over the N-trig Tablet Settings icon in the system tray.
Adding and Replacing Parts Dell™ Latitude™ XT2 User's Guide Main Battery Coin-Cell Battery Memory and Mini-Card Cover Grip Cover Memory Display Assembly Hard Drive Palm Rest Mini-Card Speaker System Board Internal Card With Bluetooth® Wireless Technology Heat Sink and Fan Assembly Hinge Cover Battery Latch Keyboard
Tablet-PC Pen Dell™ Latitude™ XT2 Service Manual Calibrating the Pen Troubleshooting Your Tablet-PC uses a specifically designed electrostatic pen or stylus for use in tablet PC mode. Instead of relying on battery power, the energy source for the stylus is magnetic energy produced by the excitation coil built into the digitizer itself. The signal from the coil is picked up by the stylus and triggers the stylus to transmit an electric field.
Specifications Processors Audio System Information Display ExpressCard™ Keyboard SD™ Card Touch Pad Memory Battery Smart Card AC Adapter Ports and Connectors Fingerprint Reader Communications Physical Video Environmental NOTE: Offerings may vary by region.
Interface speed 9600–115,200 bps EMV level Level 1 certified WHQL certification PC/SC Compatibility Compatible within a PKI environment Insert/eject cycles Certified for up to 100,000 cycles Ports and Connectors Audio microphone connector, stereo headphone/speakers connector IEEE 1394 4-pin serial connector E-dock Standard E-Dock connector for devices such as EDock advanced port replicators and expansion stations The optional media base can be connected to the EDock connector.
Maximum Resolutions 1280 x 800 at 262 K colors Operating angle 0° (closed) to 160° Refresh rate 60 Hz (40 Hz in All Day Battery Life (ADBL) mode) Viewing angles Horizontal 40/40° Vertical 15/30° Pixel pitch 0.204 Power consumption (panel with backlight, typical) 3.0 W (max) Keyboard Number of keys 87 (U.S. and Canada); 88 (Europe); 91 (Japan) Layout QWERTY/AZERTY/Kanji Touch Pad X/Y position resolution (graphics table mode) 240 CPI Size Width 73.0-mm (2.
Output current 3.3 A (maximum at 10ms pulse) 2.3 A (continuous) Output power 45 W or higher Rated output voltage 19.5 ±1.0 VDC Dimensions: Height 16 mm (0.63 inch) Width 63 mm (2.48 inches) Depth 88 mm (3.46 inches) Temperature range: Operating 0° to 40°C (32° to 104°F) Storage –10° to 70°C (–50° to 158°F) Fingerprint Reader (optional) Type UPEK TCS3 TouchStrip™ strip sensor with CMOS active capacitive pixel-sensing technology Array size 248 x 2 pixels Physical Height 19.
Tablet-PC Buttons Dell™ Latitude™ XT2 Service Manual Your Tablet-PC has three tablet buttons located beside the power button. In order for these buttons to function properly, Dell Control Point System Manager must be installed. 1 Power button 3 Screen rotate button 2 Windows Security button 4 Dell Control Point button Power button — Used to power the system on and off.
Tablet-PC Interface Dell™ Latitude™ XT2 Service Manual Microsoft™ Windows Vista™ /XP Tablet-PC Interface Comparison Windows Vista Windows™ XP Windows Vista/XP Tablet-PC Interface Comparison Depending on the configuration you ordered, your Tablet-PC shipped with either the Windows Vista or Windows XP operating system. There are several differences in the Tablet PC-interfaces between the two. Listed below are the primary differences.
Working With Files You can open, delete, or move many files or folders at one time by selecting multiple items from a list. Using a tablet pen, hover over one item at a time and select the check box that appears to the left of each item. To turn check boxes on: 1. 2. 3. Go to Folder Options. Click on the View tab. Under Advanced settings, select the Use check boxes to select items check box, and then click OK.
Pen flicks enable you to use the pen to perform actions that normally require a keyboard, such as pressing or using the directional arrow keys. Pen flicks are quick, directional gestures. You simply quickly draw a short line in one of eight directions. When a pen flick is recognized, the Tablet-PC performs the action assigned. The image below depicts the default pen flick settings. These can be customized by going to Start>Control Panel>Pen and Input Devices and clicking on the Flicks tab.
allow you to write with the pen directly into the application window. Tablet PC Input Panel When an application does not directly support pen input, you can use the Tablet PC Input Panel to enter text into your application. If you tap in an editable area, the Tablet PC Input Panel icon appears. Tapping the icon makes Input Panel appear. You can move the Input Panel tab by dragging it up or down along the edge of the screen.
Table-PC User Modes Dell™ Latitude™ XT2 Service Manual Notebook Mode Your Tablet-PC can be used either in notebook mode or tablet mode. To use your Tablet-PC in notebook mode, open the display until it reaches a comfortable viewing angle as in the image to the right, and use the keyboard and display as you would those of any other notebook computer. Tablet Mode Your Tablet-PC converts from notebook mode to tablet mode with a 180-degree clockwise twist of the display’s rotating hinge.
Tablet-PC Settings Dell™ Latitude™ XT2 Service Manual Installation The N-trig Tablet Settings applet is built into the driver package. You can either install it directly from the ResourceCD or obtain the latest version from support.dell.com. Once the file has been extracted, an InstallShield Wizard will walk you through the process of installing the software. The appearance of the N-trig icon is an indication of a successful installation. Windows™ XP vs.
Memory and Mini-Card Cover Dell™ Latitude™ XT2 Service Manual Removing the Memory and Mini-Card Cover Replacing the Memory and Mini-Card Cover WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Memory and Mini-Card Cover 1. 2. Follow the procedures in Before Working Inside Your Tablet-P C.
4. Tilt the cover towards the front of the Tablet-PC. 5. Lift the cover at an angle, and remove from the Tablet-PC. Replacing the Memory and Mini-Card Cover 1. 2. 3. Insert the tabs of the memory and mini-card cover into the slots of the base. Rotate the cover down and into place. Tighten the two captive screws on the memory and mini-card cover.
4. Install the battery. See Replacing the Main Battery.
Main Battery Dell™ Latitude™ XT2 Service Manual Removing the Main Battery Replacing the Main Battery WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Main Battery 1. Follow the procedures in Before Working Inside Your Tablet-P C. 2.
3. Slide the battery out of the battery bay. 4. Remove the battery from the Tablet-PC.
Replacing the Main Battery 1. 2. Slide the new battery into the battery bay. Slide the battery until it locks into position. When properly seated, the battery is flush with the bottom edge of the computer and the battery-bay release latches are in the inward position as shown in Step 4 above.
Battery Latch Dell™ Latitude™ XT2 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Battery Latch 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. Remove the hard drive from the Tablet-PC.
15. Slide the latch assembly to the right. 16. Remove the right latch inside assembly from the bottom plastics. 17. Remove the right latch from the outside of the Tablet-PC.
18. Remove the screw securing the left latch assembly to the Tablet-PC. 18. Slide the inside latch assembly to the right and lift out of the bottom plastic.
19. Remove the left battery latch from the outside of the Tablet-PC.
BIOS Chip Dell™ Latitude™ XT2 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the BIOS Chip 1. 2. 3. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. Remove the memory and mini-card cover from the Tablet-PC. 4.
Internal Card With Bluetooth® Wireless Technology Dell™ Latitude™ XT2 Service Manual Removing the Internal Card With Bluetooth Wireless Technology Replacing the Internal Card With Bluetooth Wireless Technology WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
5. Disconnect the Bluetooth cable from the Bluetooth. 6. Remove the Bluetooth assembly from the Tablet-PC.
Replacing the Internal Card With Bluetooth Wireless Technology 1. 2. Connect the Bluetooth cable to the new Bluetooth assembly. Carefully slide the Bluetooth assembly into the bay. Note: Ensure that the Bluetooth cable does not disconnect from the Bluetooth assembly when sliding it into the bay. 3. 4. Replace the captive screw on the Bluetooth assembly to secure the Bluetooth assembly in place. Replace the battery. See Replacing the Main Battery.
Coin-Cell Battery Dell™ Latitude™ XT2 Service Manual Removing the Coin-Cell Battery Replacing the Coin-Cell Battery WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Coin-Cell Battery 1. 2. 3. 4. 5. Follow the procedures in Before Working Inside Your Tablet-P C.
Replacing the Coin-Cell Battery 1. 2. 3. 4. 5. Peel the backing from the new coin-cell battery. Connect the coin-cell cable to the system board and press the coin-cell battery into place on the system board. See diagram in step 6 above for placement. Replace the keyboard, attaching it securely with the keyboard screws. Replace the hinge cover. Turn the computer over and replace the battery. See Replacing the Main Battery.
Grip Cover Dell™ Latitude™ XT2 Service Manual Removing the Grip Cover Replacing the Grip Cover WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Grip Cover 1. 2. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. 3.
4. Slide the grip cover away from the Tablet-PC and remove. Replacing the Grip Cover 1. 2. 3. Slide the new grip cover onto the base of the Tablet-PC. Attach the grip cover with the two grip cover screws. Replace the battery. See Replacing the Main Battery.
Hard Drive Dell™ Latitude™ XT2 Service Manual Removing the Hard Drive Replacing the Hard Drive WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Hard Drive 1. 2. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. 3.
4. Remove the hard drive bracket. 5. Slide the hard drive towards the edge of the Tablet-PC to disconnect from the system board.
6. Remove the hard drive from the Tablet-PC.
Replacing the Hard Drive 1. 2. 3. Slide the new hard drive into position gently until the connector end fits into the system-board connector. Secure the hard drive into place by replacing the hard drive bracket. Attach the bracket to the Tablet-PC with the four captive screws. Replace the battery. See Replacing the Main Battery.
Heat Sink and Fan Assembly Dell™ Latitude™ XT2 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Heat Sink and Fan Assembly 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC.
16. Remove the top section of the heat sink assembly from the system board, then turn over the system board again. 17. Remove the bottom section of the heat sink assembly.
Keyboard Dell™ Latitude™ XT2 Service Manual Removing the Keyboard Replacing the Keyboard WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Keyboard 1. 2. 3. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. Remove the hinge cover from the Tablet-PC.
6. Release the zif connector on the touchpad connection. 7. Disconnect the touch pad cable.
8. Release the retaining clip on the keyboard connector. 9. Disconnect the keyboard cable from the system board.
10. Remove the keyboard from the Tablet-PC.
Replacing the Keyboard CAUTION: The key caps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Exercise care when removing and handling the keyboard. 1. 2. 3. 4. 5. 6. Holding the top of the keyboard slightly above the computer, connect the touchpad cable and the keyboard cable to the system board. Carefully press each side to snap the keyboard into place.
Display Assembly Dell™ Latitude™ XT2 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Assembly 1. 2. 3. 4. 5. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. Remove the memory and mini-card cover from the Tablet-PC.
7. From the top of the closed Tablet-PC, remove the two screws from the display assembly hinge grip. 8. From the inside of the Tablet-PC, disconnect the display assembly cable from the system board.
9. 10. Unthread the antenna cables from the inside of the Tablet-PC. Remove the five screws securing the display assembly to the Tablet-PC.
11. Lift the display assembly straight up to separate it from the Tablet-PC. 12. Remove the display assembly.
Hinge Cover Dell™ Latitude™ XT2 Service Manual Removing the Hinge Cover Replacing the Hinge Cover WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of the computer.
Replacing the Hinge Cover To replace the hinge cover, insert the left edge of the cover into the hinge cover slot and press from left to right until the cover snaps into place.
Memory Dell™ Latitude™ XT2 Service Manual Removing a Memory Module Replacing a Memory Module WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing a Memory Module 1. 2. 3. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC.
4. Remove the memory module from the Tablet-PC at an angle.
Replacing a Memory Module 1. 2. 3. 4. Position the memory module into place by starting with the top side of the module and easing it down into place at an angle. Ease the memory module down until it snaps into place between the retainer clips. Replace the memory and mini-card cover. Replace the battery. See Replacing the Main Battery.
Palm Rest Dell™ Latitude™ XT2 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Palm Rest 1. 2. 3. 4. 5. 6. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. Remove the hard drive from the Tablet-PC.
8. Turn the Tablet-PC over and remove three screws securing the palm rest to the top of the Tablet-PC. 9. Remove the palm rest from the Tablet-PC.
Speaker Dell™ Latitude™ XT2 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Speaker 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. Remove the hard drive from the Tablet-PC.
15. Remove the speaker assembly from the Tablet-PC.
System Board Dell™ Latitude™ XT2 Service Manual WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the System Board 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC. Remove the hard drive from the Tablet-PC.
15. Lift the retaining clip on the SATA cable. 16. Disconnect the SATA cable from the system board.
17. Lift the retaining clip on the wireless cable connector. 18. Disconnect the wireless cable connector from the system board.
19. Remove the one screw securing the system board to the bottom plastic. 20. Lift the system board up at an angle and remove from the Tablet-PC.
21. Disconnect the fan cable from the system board connector, then flip the system board over. 22. Loosen the four captive screws on the heat sink. 23. Remove the top section of the heat sink assembly from the system board, then turn the system board over again.
24. Remove the bottom section of the heat sink assembly.
Mini-Card Dell™ Latitude™ XT2 Service Manual Removing the Mini-Card Replacing the Mini-Card WARNING: Before working inside your Tablet-PC, read the safety information that shipped with your Tablet-PC. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Mini-Card 1. 2. 3. Follow the procedures in Before Working Inside Your Tablet-P C. Remove the battery from the Tablet-PC.
5. Use your finger to gently pry the retaining clips back and release the mini-card. 6. Remove the mini-card from the Tablet-PC at an angle.
Replacing the Mini-Card CAUTION: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and realign the card. CAUTION: To avoid damage to the mini-card, ensure the cables are not under the card when you place the card. NOTE: The card slot will be marked by a WLAN silk-screen. Do not install the mini-card into any other card slot. If you are installing a WWAN card, install the card in the slot marked by a WWAN silk-screen.
NOTE: Ensure the cables are tucked into the cable channel. 5. Replace the memory and mini-card cover on the Tablet-PC. 6. Replace the battery (see Replacing the Main Battery).
Tablet-PC Modes Dell™ Latitude™ XT2 Service Manual User Modes Tablet Buttons Tablet-PC Interface Tablet Settings
Working on Your Tablet-PC Dell™ Latitude™ XT2 User's Guide Before Working Inside Your Tablet-P C Recommended Tools Turning Off Your Tablet-P C After Working Inside Your Tablet-P C Before Working Inside Your Tablet-PC Use the following safety guidelines to help protect your Tablet-PC from potential damage and to help to ensure your personal safety.
l In Windows Vista: Click Start l , then click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down. In Windows XP: Click Start® Turn Off Computer® Turn Off. The Tablet-PC turns off after the operating system shutdown process is complete. 2. Ensure that the Tablet-PC and all attached devices are turned off.