HP ProBook 4535s Getting Started HP Notebook - Windows Vista and Windows 7 - Page 48
CAUTION, and then lift it away
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CAUTION: To prevent information loss or an unresponsive system: Shut down the computer before adding or replacing memory modules. Do not remove a memory module while the computer is on, in the Sleep state, or in Hibernation. If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the power button. Then shut down the computer through the operating system. 1. Save your work and shut down the computer. 2. Disconnect AC power and external devices connected to the computer. 3. Remove the battery. 4. Remove the access cover screw (1). 5. Slide the access cover release latches in (2) to release the cover. 6. Slide the access cover in the direction shown on the image below (3), and then lift it away from the computer (4). 7. If you are replacing a memory module, remove the existing memory module: a. Pull away the retention clips (1) on each side of the memory module. The memory module tilts up. 40 Chapter 6 Maintenance