Repair manual hp tc4200

Using A Security Password Specifications This chapter provides physical and performance specifications. Reseat power cord in docking device and power outlet. Removal and Replacement Procedures 6. Disconnect the button board cable 1 from the system board. Expansion Memory Module Slot There are 59 screws and screw locks, in 11 different sizes, that may have to be removed, replaced, or loosened when servicing the tablet PC.

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This page requires Javascript. Modify your browser's settings to allow Javascript to execute. See your browser's documentation for specific instructions. HP Customer Support. Remove the real-time clock RTC battery refer to Section 6. Wait approximately 5 minutes. Connect AC power to the tablet PC. Do not reinsert any battery packs at this time. The tablet PC comes with power management features that extend battery operating time and conserve power.

The tablet PC supports the following power management features:. The external components on the front of the tablet PC are shown below and described in Table The external components on the right side of the tablet PC are shown below and described in Table The external components on the left side of the tablet PC are shown below and described in Table Using the tablet PC on a soft surface, such as a pillow, blanket, rug, or thick clothing, may block airflow.

The external components on the rear panel of the tablet PC are shown below and described in Table The extra 3 pins also enable an optional S-Video-to-composite adapter to be used with the tablet PC. The standard keyboard components of the tablet PC are shown below and described in Table The external components on the bottom of the tablet PC are shown below and described in Table This section presents a design overview of key parts and features of the tablet PC.

The tablet PC uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to be turned on automatically when high temperature conditions exist. Exhaust air is displaced through the ventilation grill located on the left side of the tablet PC.

Because of the complexity of the individual boards and subassemblies, do not attempt to make repairs at the component level or modifications to any printed wiring board. Improper repairs can create a safety hazard. Any indication of component replacement or printed wiring board modification may void any warranty or exchange allowances. Computer Setup is a preinstalled, ROM-based utility that can be used even when the operating system is not working or will not load. If the operating system is working, the tablet PC restarts the operating system after you exit Computer Setup.

Pointing devices are not supported in Computer Setup; you must use the keyboard to navigate and make selections. The menu tables later in this chapter provide an overview of Computer Setup options. Open Computer Setup by turning on or restarting the. Select the File , Security , Tools , or Advanced menu. To exit Computer Setup, choose one of the following:. Your preferences are set when you exit Computer Setup and take effect when the tablet PC restarts.

To return all settings in Computer Setup to the values that were set at the factory:. Select the Restore Defaults check box. To confirm the restoration, press f When the computer restarts, the factory settings are restored, and any identification information you have entered is saved. Reseat the power cables in the docking device and at the AC outlet. Ensure the AC power source is active. Ensure that the power strip is working. On select models, there is a separate reset button.

On select models, the tablet PC can be reset using the standby switch and either the lid switch or the main power switch. Replace the following items if applicable. Check tablet PC operation after each replacement:. Cable between tablet PC and tablet PC display if applicable.

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Enter a new password. Contents 1 Product Description 1. Maintenance and Service Guide v. Contents 6 Removal and Replacement Procedures 6. Maintenance and Service Guide vii. Maintenance and Service Guide 1—1. Product Description 1. Maintenance and Service Guide 1—3. These steps also clear CMOS: 1. Turn on the tablet PC. All passwords and all CMOS settings have been cleared. Maintenance and Service Guide 1—5.

When the battery reaches a critical low-battery condition, the battery light begins blinking more quickly. If the tablet PC is not connected to an external power source, the light is turned off until the battery reaches a low-battery condition, when the light begins blinking amber. Product Description The external components on the right side of the tablet PC are shown below and described in Table Right-Side Components.

Maintenance and Service Guide 1—7. This USB port is a powered port that can be used without external power.