HP ProBook 4720s Support Question
HP ProBook 4720s Support Question
Find answers below for this question about HP ProBook 4720s - Notebook PC.Need a HP ProBook 4720s manual? We have 3 online manuals for this item!
Question posted by edDL on September 21st, 2014
How To Remove Switch Cover Hp Probook 4720s
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Current Answers
Answer #1: Posted by freginold on November 2nd, 2014 6:56 PM
freginold
Member since:
December 20th, 2011 Points: 23,253,895
Member since:
December 20th, 2011 Points: 23,253,895
Instructions for removing the switch cover can be found in the service guide, starting on page 56. If you don't have the service guide, you can download it here.
Related HP ProBook 4720s Manual Pages
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:
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● 1366×768 AntiGlare
● 1366×768 AntiGlare...× 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
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2 Chapter 1 Product description
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 11
.../1000 Ethernet network interface
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card (NIC)
S3/S4/S5 wake on LAN: AC only mode
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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 •...
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Bluetooth 2.1
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Integrated WWAN options by way of HP Mobile Broadband Module:
Supports only HP certified WWAN options •
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WWAN module UNDP Gobi2 including GPS • with ...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 13
... 2007
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Personal (Japan only)
Windows 7 Professional with Office 2007
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Personal with PowerPoint (Japan only)
Windows 7 Professional with Office 2007
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Professional (Japan only)
HP ProBook 4520s discrete •
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HP ProBook 4720s discrete •
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HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 14
EDGI
Windows 7 Home Basic 32 with Office 2007 • ready (excludes Japan)
Windows 7 Home Basic with MS
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Basics (Japan only)
HP ProBook 4520s discrete
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HP ProBook 4720s discrete
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6 Chapter 1 Product description EDGI
Windows 7 Professional 32 with XP Pro
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images with ...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 15
... 64 versions
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Windows 7 Professional 64 versions
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End-user replaceable parts:
AC adapter
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Battery (system)
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HP ProBook 4520s discrete •
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HP ProBook 4720s discrete •
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7 Home Premium/Pro
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DRDVD Windows 7 - Starter/Home Basic
•...
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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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 59
... the AC outlet
and then unplugging the AC adapter from the computer. 4. Component replacement procedures 51 Before removing the switch cover and keyboard, follow these steps: 1. 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 60
2. To remove the switch cover, remove the following: (1) Two screw covers on the rear edge of the computer (2) Two PM2.5×2.5 screws (3) Three PM2.0×2.5 broadhead screws located in the battery bay
3. Slide the switch cover back (1), and then remove it from the computer (2).
52 Chapter 4 Removal and replacement procedures Open the computer as far as possible. 4.
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 62
... cable (2) from the system board when replacing the keyboard or removing the top cover. 7. Reverse this procedure to which the keyboard cable is absolutely necessary.
8. Remove the keyboard. Release the zero insertion force (ZIF) connector (1) to install the switch cover and keyboard.
54 Chapter 4 Removal and replacement procedures NOTE: Only disconnect the keyboard cable from the...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 63
... 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 the computer. Remove the switch cover and keyboard ...then shut it is not necessary to disconnect the keyboard cable from the system board to remove the memory modules. Description 2-GB (PC3-10600, 1333-MHz, DDR3) 1-GB (PC3-10600,...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 65
... the optical drive tab access (2) and press the tab to the right to remove the optical drive. Remove the battery (see Switch cover and keyboard on page 50). 5. 4. Remove the Phillips PM2.5×5.0 screw (1) that secure the optical drive bracket to the computer. 3. Remove the two Phillips PM2.0×2.0 screws (1) that secures the optical drive to...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 66
... in computers with 17.3-in displays For use in computers with 15.6-in Hibernation, turn the computer on, and then shut it down the computer. Remove the battery (see Switch cover and keyboard on page 50).
5. Disconnect all external devices connected to reassemble and install an optical drive...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 70
... by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer. Remove the cables from the routing channels and the speakers (3) from the computer. 4. Remove the switch cover and keyboard (see Battery on page 51).
Disconnect all external devices connected to install the speakers. NOTE: It...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 75
...all external devices connected to the WLAN module "Aux" terminal. 3. Switch cover and keyboard (see Switch cover and keyboard on page 62) Remove the WLAN module: 1. If you . 2. Thermal shield (see...from the AC outlet
and then unplugging the AC adapter from the terminals on the WLAN module. Remove the two Phillips PM2.0×4.0 screws (2) that secure the WLAN module to the WLAN module "...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 77
... from the computer.) 4. NOTE: WWAN modules are both identified by pulling the module away from the terminals on the WWAN module. Remove the switch cover and keyboard (see Battery on page 51) Remove the WWAN module: 1.
The terminals and cables are designed with the front toward you. 2. Heat sink and fan
NOTE: The heat...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 78
... first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer. 4. Switch cover and keyboard (see Battery on the system board, follow these steps: 1. Remove the battery (see Switch cover and keyboard on page 62). If you . 2. Description Heat sink for use in computers with UMA graphics subsystems...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 106
Description
HP Integrated Bluetooth 2.1 module for more Cable Kit spare part number information. If you . 2. Remove the switch cover and keyboard (see Speakers on page 86). 11.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the antenna (2).
98 Chapter 4 Removal and...
HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide - Page 163
... 115 change password 115 Disk Sanitizer 115 DriveLock 115 f fingerprint reader reset 115 HP SpareKey 115 HP SpareKey enrollment 115 password policy 115 set up BIOS administrator
password 115 System IDs ... 124 optical drive 125, 126, 127 static-shielding materials 47 switch cover removal 51 spare part number 23, 51 system board removal 103 spare part numbers 24, 103 system board assembly, spare...
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