HP ProBook 4520s Support Question
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Question posted by parvathydharan on October 9th, 2012
How To Unlock My Keyboard Of Probook 4520s?
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Related HP ProBook 4520s Manual Pages
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 6
... and transporting guidelines 46 Workstation guidelines 46 Equipment guidelines 47
Component replacement procedures 48 Service tag ...48 Computer feet ...49 Battery ...50 Switch cover and keyboard 51 Memory module ...55 Optical drive ...56 Power button board 58 Speakers ...60 Thermal shield ...62 WLAN module ...65 WWAN module ...68 Heat sink and...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 9
1 Product description
Category Product Name Processors
Chipsets Graphics Panels
Description
HP ProBook 4520s Notebook PC
HP ProBook 4720s Notebook PC
Intel® Core™ processors ● i7-620M, 2.26-GHz (Turbo up to 3.33
GHz), 4MB L3 cache ● i5-540M, 2.53-GHz (Turbo up ...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 10
Category Memory
Description
HP ProBook 4520s UMA
15.6-in HD LED backlight panel:
•
● 1366×768 AntiGlare
● 1366×768 AntiGlare for ...; 1)
● 2048-MB total system memory (1024MB × 2, dual-channel)
● 1024-MB total system memory (1024MB × 1)
HP ProBook 4520s discrete •
HP ProBook 4720s discrete
•
2 Chapter 1 Product description
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 11
Category Hard drives
Optical drives
Diskette drive Audio/visual Modem Ethernet Wireless
Description
HP ProBook 4520s UMA
Supports 9.5-mm, 6.35-cm (2.50-in) hard
•
drives
Customer-accessible
•
Serial ATA
•
Supports ... wake on LAN: AC only mode
•
Integrated WLAN options by way of MiniPCI card:
HP ProBook 4520s discrete
HP ProBook 4720s discrete
3
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 12
Category
External media cards Ports
Description
HP ProBook 4520s UMA
HP ProBook 4520s discrete
HP ProBook 4720s discrete
2 WLAN antennas built into display assembly •
•
•
Supports option for no-WLAN
•
•
•
Support for the following WLAN formats:
...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 13
Category
Description
HP ProBook 4520s UMA
VGA (Dsub 15-pin) supporting 1600 × 1200 • external resolution at 75-GHz (hot plug/ unplug with auto-detect)
Multi-pin AC power
•
HDMI
•
Keyboard/ pointing devices
15.6-in keyboard with integrated number pad • and Clickpad
17.3-in keyboard with integrated number pad and Clickpad
Suports...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 14
Category
Description
HP ProBook 4520s UMA
Windows Vista Home Basic 32 with Office • 2007 Ready... Office 2007
•
ready - EDGI
Windows 7 Home Premium with MS
•
Basics (Japan only)
HP ProBook 4520s discrete
• •
•
• • •
HP ProBook 4720s discrete
• •
•
• • •
6 Chapter 1 Product description EDGI
...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 15
...
•
Windows 7 Home Premium 32
•
Windows Vista Business 64
•
Windows 7 Professional 32
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Windows 7 Professional 64
•
DRDVD Windows 7 - Category Serviceability
Description
HP ProBook 4520s UMA
Windows Vista Business 32 with MS Basics • (Japan only)
Windows 7 32 (with XP Professional images) • with MS Basics (Japan only)
FreeDOS
•...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 16
Category
Description
Hard drive Memory module Optical drive WLAN module WWAN module
HP ProBook 4520s UMA
HP ProBook 4520s discrete
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•
•
•
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HP ProBook 4720s discrete
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8 Chapter 1 Product description
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 31
... 23 For use in computers with 17.3-in displays
598692-xxx
For use in computers with 15.6-in displays
598675-001 604853-001 598674-001
(3)
Keyboard
NOTE: For a detailed list of available keyboards, see Sequential part number listing on page 35.
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 46
... with cable but without fingerprint reader
598690-001 Display bezel for use in computers with 15.6-in displays without webcam
598691-001 Keyboard for use in the United States on computers with 15.6-in displays
598691-031 Keyboard for use in the United Kingdom on computers with 15.6-in displays
598691-041...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 47
... use in Latin America on computers with 17.3-in displays
598692-171 Keyboard for use in Saudi Arabia on computers with 17.3-in displays
598692-201 Keyboard for use in Brazil on computers with 17.3-in displays
598692-211 Keyboard for use in Hungary on computers with 17.3-in displays
Sequential part number...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 48
... use in Switzerland on computers with 17.3-in displays
598692-DD1 Keyboard for use in Iceland on computers with 17.3-in displays
598692-DJ1 Keyboard for use in Greece on computers with 17.3-in displays
598692-DW1 Keyboard for use in French Arabic region on computers with 17.3-in displays
598693-001 DVD...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 59
...-down with 15.6-in Hibernation, turn the
computer on, and then shut it down through the operating system. 2. Remove the switch cover and keyboard: 1. Switch cover and keyboard
Description
Spare part number
Switch cover with power button board
For use in computers with 17.3-in displays
598675-001
For use in computers...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 61
Slide the keyboard back toward the display (1), and then rotate it forward (2) until it rests upsidedown (3) the palm rest. Component replacement procedures 53 Remove the two Phillips PM2.5×5.0screws that secure the keyboard to the computer.
6. 5.
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 62
... from the system board. Reverse this procedure to which the keyboard cable is absolutely necessary.
8. It is not recommended that you disconnect the cable unless it is attached, and disconnect the keyboard cable (2) from the system board when replacing the keyboard or removing the top cover. Release the zero insertion force (ZIF) connector...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 63
... tabs (1) on , and then shut it is not necessary to disconnect the keyboard cable from the system board to remove the memory modules. Disconnect all external devices...unplugging the AC adapter from the computer.)
Component replacement procedures 55
Remove the battery (see Switch cover and keyboard on page 50).
5.
Memory module
NOTE: When adding a second memory module, be sure it down ...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 65
...the computer. 3.
Position the computer with the rear toward you .
6. Remove the switch cover and keyboard (see Battery on page 51). NOTE: It is necessary to the optical drive. Insert a flat-...drive with the right side toward you . 2. If it is not necessary to disconnect the keyboard cable from the system board to release the optical drive from the computer. NOTE: 15.6-...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 66
... the computer.
3. Disconnect all external devices connected to reassemble and install an optical drive. Remove the battery (see Switch cover and keyboard on page 50).
5.
Remove the switch cover and keyboard (see Battery on page 51).
58 Chapter 4 Removal and replacement procedures Shut down through the operating system.
2. Disconnect the power from...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 70
...these steps: 1.
Shut down through the operating system. 2. Remove the battery (see Switch cover and keyboard on page 50). 5. NOTE: It is 603700-001. Thermal shield
NOTE: The spare part number... procedures Disconnect all external devices connected to install the speakers. Remove the switch cover and keyboard (see Battery on page 51). Reverse this procedure to the computer. 3. If you...
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