HP ProBook 6450b - Notebook PC User Manual

3. Replace the 4 hard drive screws (1), and then replace the protective screw caps (2).
4. Replace the battery.
5. Turn the computer right-side up, and then reconnect external power and external devices.
6. Turn on the computer.
Replacing an optical drive
CAUTION: To prevent information loss or an unresponsive system:
Shut down the computer before removing the optical drive from the upgrade bay. Do not remove the
optical drive 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.
To remove an optical drive from the upgrade bay:
1. Save your work.
2. Shut down the computer and close the display.
3. Disconnect all external hardware devices connected to the computer.
4. Unplug the power cord from the AC outlet.
5. Turn the computer upside down on a flat surface, with the upgrade bay toward you.
6. Remove the battery from the computer.
7. Loosen the upgrade bay screw (1).
90 Chapter 6 Drives

HP ProBook 6450b - Notebook PC Specifications

General

Processor	Intel Core i5 or i7
RAM	Up to 8 GB DDR3
Operating System	Windows 7 Professional
CPU	Intel Core i5 or i7
Storage	Up to 500GB HDD or 256GB SSD
Display	14.0-inch diagonal LED-backlit HD anti-glare (1366 x 768 resolution)
Graphics	Intel HD Graphics
Battery	6-cell Li-ion
Chipset	Intel QM57
Optical Drive	DVD+/-RW SuperMulti DL
Wireless	802.11a/b/g/n
Audio	Stereo speakers, microphone
Ports	DisplayPort, VGA, RJ-45
Card Reader	5-in-1
Webcam	2 MP Webcam (optional)