- HP ProBook 4520s Manual User Guide
- HP PROBOOK 4520S Maintenance And Service Manual
- BIOS Password reset instructions
- HP ProBook 4520s Maintenance And Service Manual
- Product features
- Bios hp probook 4520s manual
- HP ProBook 4520s/4720s Notebook PC Product Specifications
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- HP ProBook 4525s - Notebook PC User Manual
- HP ProBook 4520s Notebook PC
HP ProBook s Quickspecs 39 pages.
HP ProBook 4520s Manual User Guide
Hp probook notebook pc user guide - linux pages. Page 2 Corporation.
SD Logo is a trademark of its proprietor. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services.
HP PROBOOK 4520S Maintenance And Service Manual
Nothing herein should be construed as constituting an additional warranty. Page 4 MSG revision history To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents.
BIOS Password reset instructions
Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Page 6 Safety warning notice Page 8 Grounding guidelines Page 9 6 Specifications Page 10 10 Recycling Page External Component Identification External component identification NOTE: Depending on the operating system installed on your comouter, some components may function differently than described.
HP ProBook 4520s Maintenance And Service Manual
Some functionality may not be supported by the operating system installed on your computer. Component Speakers 2 Internal display switch Power button Fingerprint reader select models only Chapter 2 External component identification Description Produce sound.
Turns off the display if the display is closed while the power is on. Page Keys Keys Component Windows logo key Windows applications key Integrated numeric keypad keys Function keys Description Displays system information when pressed in combination with the key.
Executes frequently used system functions when pressed in combination with a function key, the num lk Displays the Windows Start menu. Component Internal display switch Internal microphone Webcam light select models only Webcam select models only Description Turns off the display if the display is closed while the power is on.
Records sound. Page Wireless Antennas Wireless antennas The antennas send and receive signals from one or more wireless devices. These antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions.
Bios hp probook 4520s manual
Powers the computer when the computer is not plugged into external power. Converts AC power to DC power. Page Illustrated Parts Catalog Illustrated parts catalog Service tag When ordering parts or requesting information, provide the computer serial number and model description provided on the service tag.
Page 33 Item Description Page 38 Item Description Broadcom Page 39 P, 2.
HP ProBook 4520s/4720s Notebook PC Product Specifications
The modem module cable is included in the Base Cable Kit , spare part numbers Page 40 Item Description For use in computers with For use in computers with Page 52 Spare part Description number Keyboard for use in Italy on computers with Page 53 Spare part Description number Keyboard for use in Spain on computers with Page 54 Spare part Description number GB, rpm hard drive includes hard drive bracket Page 55 Spare part Description number Display bezel for use in computers with Page 57 Spare part Description number Switch cover with power button switch for use in computers with Improper cable placement can damage the computer.
Cables must be handled with extreme care to avoid damage.
Apply only the tension required to unseat or seat the cables during removal and insertion. Circuitry design and structure determine the degree of sensitivity.
Networks built into many integrated circuits provide some protection, but in many cases, ESD contains enough power to alter device parameters or melt silicon junctions.
Page Equipment Guidelines Equipment guidelines Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. To provide proper ground, wear a strap snugly against the skin at all times.
Page Component Replacement Procedures Component replacement procedures This section provides removal and replacement procedures. There are many screws, in many different sizes, that must be removed, replaced, or loosened when servicing the computer.
Make special note of each screw size and location during removal and replacement. Page Computer Feet Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare part number There are 4 rubber feet that attach to the base enclosure in the locations illustrated below. Chapter 4 Removal and replacement procedures Page Battery Battery Description 8-cell, Wh, 2.
Page 67 To remove the switch cover, remove the following: 1 Two screw covers on the rear edge of the computer 2 Two PM2. Slide the switch cover back 1 , and then remove it from the computer 2. Page 68 Remove the two Phillips PM2.
Slide the keyboard back toward the display 1 , and then rotate it forward 2 until it rests upside- down on the palm rest. Release the zero insertion force ZIF connector 1 to which the keyboard cable is attached, and disconnect the keyboard cable 2 from the system board.
Page 69 Remove the keyboard 3. Reverse this procedure to install the switch cover and keyboard. Component replacement procedures Page Optical Drive Remove the memory module 2 by pulling the module away from the slot at an angle.
NOTE: Memory modules are designed with a notch to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. Page 72 Remove the battery see Remove the switch cover and keyboard see NOTE: It is not necessary to disconnect the keyboard cable from the system board to remove the optical drive. Remove the optical drive: Position the computer with the right side toward you.
HP ProBook 4525s - Notebook PC User Manual
Remove the Phillips PM2. Page Power Button Board Remove the optical drive bracket 2. Reverse this procedure to reassemble and install an optical drive. Power button board Description Switch cover with power button board For use in computers with Page 74 Remove the power button board. Release the ZIF connector 1 and disconnect the ribbon cable 2 from the system board. Remove the screw 1 that secures the power button board to the base pan and the slide the board out of the retainer 2 to the left 3 to remove it.
Reverse this procedure to install the power button board. Page Speakers Speakers Description For use in computers with 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.
HP ProBook 4520s Notebook PC
Page 76 Remove the cables from the routing channels and lift the speakers 3 from the computer. Remove the speakers from the Disconnect the speaker cable connector 2 from the system board. Page Thermal Shield Remove the cables from the routing channels and the speakers 3 from the computer.
Reverse this procedure to install the speakers. Before removing the thermal shield, follow these steps: Shut down the computer. Page 78 Remove the thermal shield on the Remove the PM2. Raise the thermal shield 2 and remove it 3 from the computer. Remove the thermal shield on the Page 79 Reverse this procedure to reassemble and install an optical drive.
Disconnect all external devices connected to the computer. 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.
Reverse this procedure to install the WLAN module.