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HP ProBook 4320s Notebook PC HP ProBook 4321s ... - Warranty Life

HP ProBook 4320s Notebook PC HP ProBook 4321s ... - Warranty Life

HP ProBook 4320s Notebook PC HP ProBook 4321s ... - Warranty Life

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RTC batteryDescriptionSpare part numberRTC battery 599516-001Before removing the RTC battery, follow these steps:1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turnthe computer on, and then shut it down through the operating system.2. Disconnect all external devices connected to the computer.3. Disconnect power from the computer by first unplugging the power cord from the AC outlet andthen unplugging the AC adapter from the computer.4. Remove the following components:a. Battery (see Battery on page 51)b. Switch cover (see Switch cover on page 53)c. Keyboard (see Keyboard on page 55)d. Palm rest (see Palm rest on page 66)Remove the RTC battery:1. Disconnect the RTC battery connector from the system board (1).2. Remove the RTC battery from the system board (2).Reverse this procedure to install the RTC battery.70 Chapter 4 Removal and replacement procedures

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