HP ProBook 4420s Support Question
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Question posted by jenbBrater on March 6th, 2014
Where Is The Wifi Key On Hp Probook 4420s
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Related HP ProBook 4420s Manual Pages
End User License Agreement - Page 1
![](/manualimages/1/h/hewlettpackard-dv61350us-end-user-license-agreement-c0b0968_1_e7ce.png)
![](/manualimages/1/h/hewlettpackard-dv61350us-end-user-license-agreement-c0b0968_1_e7ce.png)
...all of the original Software Product's proprietary notices and that governs your HP product ("HP Product"), that is used only for
CONDITIONS OF THIS EULA. You ... Copying. Reservation of using the Software
INSTALLING, COPYING,
Product. e. You may accompany the HP Product.
You may include associated media, printed
materials and "online" or electronic documentation.
RIGHTS...
End User License Agreement - Page 2
![](/manualimages/1/h/hewlettpackard-dv61350us-end-user-license-agreement-c0b0968_2_e7ef.png)
![](/manualimages/1/h/hewlettpackard-dv61350us-end-user-license-agreement-c0b0968_2_e7ef.png)
...purchased. All intellectual property rights in the Software Product and user documentation are owned by HP or its affiliates may not rent, lease or lend the Software Product or use the... EULA.
5. This EULA will prevail.
4. b. UPGRADES.
CONSENT TO USE OF DATA. entirely by HP as eligible for the upgrade. To use . ADDITIONAL SOFTWARE. The initial user of such license. Prior...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 1
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_1_98ca.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_1_98ca.png)
... on identifying computer features, components, and spare parts; and performing computer disassembly procedures. troubleshooting computer problems; HP ProBook 4320s Notebook PC HP ProBook 4321s Notebook PC HP ProBook 4420s Notebook PC HP ProBook 4421s Notebook PC
Maintenance and Service Guide
SUMMARY This guide is a troubleshooting reference used for maintaining and servicing the computer.
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_9_7c86.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_9_7c86.png)
...Processors
Chipsets Graphics Panels
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
HP ProBook 4320s Notebook PC
√
√
NOTE: Discrete not for use in ) HD (1366×768 resolution)
√
√
1 HP ProBook 4420s Notebook PC
√
√
HP ProBook 4421s Notebook PC
√
Intel® Arrandale...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 10
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_10_6b16.png)
...-MB ×
1) ● 2048-MB total system memory (1024-MB ×
2, dual channel) ● 1024-MB total system memory (1024-MB ×
1)
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 11
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_11_0935.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_11_0935.png)
...: ● 500-GB, 7200-rpm ● 320-GB, 7200-rpm ● 250-GB, 7200-rpm HP 3D DriveGuard (not available on Linux) Fixed 12.7-mm (0.50-in Brazil Modem cable not included
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 12
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_12_fbf9.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_12_fbf9.png)
Category Ethernet Wireless
External media cards Ports
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Supports no modem option
√
√
√
√
10/100/1000 Ethernet network interface card (NIC)
√
√
√
√
...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 13
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_13_4c34.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_13_4c34.png)
Category
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
USB 2.0 (3)
√
√
√
√
Combo eSATA/USB 2.0 (1)
√
√
√
√
HDMI
√
√
√
√
VGA (Dsub 15-...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_14_41a2.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_14_41a2.png)
...
√
√
Windows 7 Professional with Office 2007 Ready -
√
√
√
√
EDGI (available for Argentina, Brazil -
Category
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Windows 7 Starter with Office 2007 Ready (excludes Japan)
√
√
√
√
Windows 7 Starter with...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 15
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_15_5aaa.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_15_5aaa.png)
...
Windows 7 Home Premium 32
Windows 7 Home Basic 32
Windows 7 Starter
Windows Vista Business 32
Windows Vista Home Basic 32
Windows XP Professional
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 16
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_16_8eb8.png)
Category Serviceability
Description
HP ProBook
4320s
HP ProBook4
320s / 4321s
HP ProBook
4420s
HP ProBook
4421s
UMA
Discrete
UMA
Discrete
Microsoft Office Ready DVD
√
√
√
√
DRDVD Windows 7 Home Premium/Windows 7
√
√
√
√
Professional
DRDVD Windows 7 ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 44
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_44_86f8.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_44_86f8.png)
... (AC power, 3-pin, black, 1.83 m), for use in Argentina Power cord (AC power, 3-pin, black, 1.83 m), for use in India HP Mobile Broadband Module HP Mobile Broadband Module Broadcom 4312G 802.11b/g WiFi Adapter for use in Canada, the Cayman Islands, Guam, Puerto Rico, the United States, and the U.S. Virgin Islands
36 Chapter...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 111
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_111_badc.png)
... (select models only). Select Device configurations
To do this
● Enable Fn Key Switch
● Enable/disable USB legacy support. When enabled, USB legacy support ...Electronics)
● Enable/disable HP QuickLook.
● Enable/disable HP QuickLook preboot authentication on HP QuickLook boot.
● Enable/disable HP QuickWeb.
● Enable/disable HP QuickWeb: Write Protect (disabled ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 116
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_116_cfa7.png)
... a BIOS administrator password.
Allow Reset of HP ProtectTools security keys
Enable/disable reset of ProtectTools users. User Management (requires a BIOS administrator password) ● Create a new BIOS user account.
● View a list of HP ProtectTools security keys. HP SpareKey Enrollment DriveLock Passwords
Enroll or reset HP SpareKey, which is destroyed permanently. Security...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 124
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_124_9251.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_124_9251.png)
...: USB floppy ◦ 3rd boot device: USB SuperDisk ◦ 4th boot device: Notebook hard drive ◦ 5th boot device: USB hard disk ◦ 6th boot device: Network controller
● ...Swap the functions of the fn key and left ctrl key. ● Enable/disable USB legacy support. Select Language Boot options
Device Configurations
To do this...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 135
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_135_4129.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_135_4129.png)
... individual files ● Restoring the computer to reboot the computer and repair the operating system. If the HP Recovery partition is listed, restart the computer, and then press esc while the "Press the ESC key for recovery" message is not listed, you can use . Press f11 while the "Press f11 for Startup...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 138
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_138_beb9.png)
... installed on or restart the computer, and then press esc while the "Press the ESC key for the presence of the screen. 4. Select Repair your most recent backup (stored on ...repair the operating system. All files you have created and any keyboard key. 4. The f11 recovery tool reinstalls the operating system and HP programs and drivers that your computer. 7. If possible, back up all...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 159
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_159_037f.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_159_037f.png)
...fingerprint reader, identifying 12 fn key, identifying 13 function keys, identifying 13
G graphics, ...HP QuickLook 2 110 HP SpareKey enrollment 108
I internal display switch,
identifying 12, 18 internal microphone,
identifying 18
J jacks
audio-in (microphone) 14 audio-out (headphone) 14 RJ-11 (modem) 15 RJ-45 (network) 16
K keyboard
product description 5
removal 53 spare part number 23, 53 keys...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 160
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_160_ccc2.png)
... Host Controller Interface) 110 IDE (Integrated Drive Electronics) 110
screw kit spare part number 35
security cable slot, identifying 16 Security menu
allow reset of HP ProtectTools security keys 108
152 Index
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 161
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_161_3848.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_161_3848.png)
... 108 change password 108 Disk Sanitizer 108 DriveLock 108 HP Sparekey 108 HP Sparekey enrollment 108 password policy 108 set up BIOS administrator...product description 3
W webcam
identifying 18 webcam light, identifying 18 Windows applications key,
identifying 13 Windows Backup utility 131, 132 Windows logo key, identifying 13 Windows recovery 129, 132 Windows Vista operating system
DVD 130 wireless...
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