HP ProBook 4445s, Руководство по техническому обслуживанию и ремонту

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4. Click the link for the computer model.
5. Select the operating system, and then click Next .
6. Under Step 2: Select a Download , click the BIOS link.
7. Click the link for the most recent BIOS.
8. Click the Download button, and then follow the on-screen instructions.
Before removing the memory module, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 38 ).
5. Remove the bottom door (see Bottom door on page 39 ).
Remove the memory module:
1. Position the computer upside-down with the battery bay toward you.
2. Spread the retaining tabs (1) on each side of the memory module slot to release the memory
module. (The edge of the module opposite the slot rises away from the computer.)
3. Remove the memory module (2) by pulling the module away from the slot at an angle.
NOTE: The computer uses two memory sockets. The top socket houses the expansion
memory module and is shown in the following image. The bottom socket houses the primary
memory module. The removal procedure is the same for both memory sockets.
Reverse this procedure to install a memory module.
46 Chapter 4 Removal and replacement procedures