HP ProBook 4420s Support Question
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Question posted by garmallan on October 13th, 2013
How To Remove Bios Password On Hp Probook 4420s
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Related HP ProBook 4420s Manual Pages
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)
... You may no longer use the original Software Product that the right to the You shall not remove any term or condition of a hard disk drive-based solution, an external media-based recovery solution... only be licensed for in the Software Product and user documentation are protected by HP unless HP provides other terms will also terminate upon conditions set forth elsewhere in this EULA,...
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)
... procedures. It provides comprehensive information on identifying computer features, components, and spare parts; 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)
...
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 the People's Republic of China. HP ProBook 4321s Notebook PC
√
NOTE: For use in ) HD (1366×768 resolution)
√
√
1
HP ProBook 4420s Notebook PC
√
√
HP ProBook...
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)
... Latin America - EDGI
√
√
√
√
(available for Argentina, Brazil - English, Brazil, Latin America, Latin America - 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 Office...
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
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_16_8eb8.png)
![](/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 107
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_107_f132.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_107_f132.png)
... Computer Setup, choose one of the screen. 2. Use the tab key and the arrow keys to enter BIOS Setup. 3. Use the arrow keys to select File>Ignore changes and exit, and then press enter. -... keys to select File>Restore defaults, and then press enter. 4. NOTE: Your password settings and security settings are not changed when you restore the factory settings. Select the File, Security, ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 108
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_108_e463.png)
...restart the computer.
Select Set system date and time
System Diagnostics
Restore defaults
Reset BIOS security to factory default Ignore changes and exit Save changes and exit
To do ...Computer Setup with the original factory settings. (Password settings and security settings are not changed when you restore the factory settings.)
Restore the BIOS security settings to the factory default. Save any...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 109
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_109_9f9a.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_109_9f9a.png)
... you run Disk Sanitizer, the data on the primary hard drive. Select from a list of BIOS users.
HP SpareKey
Enable/disable HP SpareKey (enabled by default).
Computer Setup in this
Administrator Tools
BIOS administrator password
Enter, change , or delete a BIOS administrator password. Security menu
NOTE: Some of the menu items listed in Windows 7 101 User Management (requires...
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)
... if you enter Computer Setup by default).
● Change a DriveLock user password or master password. User Management (requires a BIOS administrator password) ● Create a new BIOS user account.
● View a list of HP ProtectTools security keys.
Change Password
Enter, change, or delete a BIOS administrator password.
Security menu
NOTE: Some of the menu items listed in the...
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)
... from a backup. 1. NOTE: If the HP Recovery partition is listed, restart the computer, and...these topics in Windows Vista 127 If the HP Recovery partition is not listed, you must... the contents of the HP Recovery partition.
In case of system instability, HP recommends that were installed ... recovery tool reinstalls the operating system and HP programs and drivers that you can use . ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 137
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_137_fcc5.png)
...you previously backed up all personal files. 2. You may be prompted for your permission or password for tasks such as the drivers, software, and utilities from starting correctly. ● ...are unable to improve the security of the Windows partition and the HP Recovery partition. NOTE: If you are permanently removed. NOTE: Windows includes the User Account Control feature to boot (start...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 158
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_158_fe2f.png)
..., 126 Backup and Restore Center 127, 128 base enclosure, spare part number 28 battery removal 49 spare part number 28, 49 battery bay 17 battery release latches, identifying 17 battery, identifying 20 bays battery 17 BIOS administrator password 108 Blu-ray Disc ROM Combo Drive spare part number 29, 33
Blu-ray ROM...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 159
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_159_037f.png)
... DriveLock
automatic 108 password 108 Driver Recovery disc 132 drives boot order 102, 110, 116 optical 15 preventing damage 44 Dual Core CPU 110 DVD-ROM Drive removal 57 spare part ... (audio-out) jack pin assignments 135 heat sink removal 74 spare part number 26, 74 HP Mobile Broadband Module spare part number 36 HP QuickLook 2 110 HP SpareKey enrollment 108
I internal display switch,
identifying 12...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 160
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_160_ccc2.png)
![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_160_ccc2.png)
...drive light, identifying 15 optical drive, identifying 15
P packing guidelines 46 palm rest
removal 64 spare part number 25, 64 spare part numbers 64 panels, product description 1 passwords 101, 108, 114 pin assignments audio-in jack 134 audio-out (headphone)
jack ... 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
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![](/manualimages/p/7/hewlettpackard-probook-4320s-hp-probook-4320s-4321s-4420s-4421s-notebook-pcs-maintenance-service-guide-80406a2_161_3848.png)
... 108
Automatic DriveLock 108 change password 108 Disk Sanitizer 108 DriveLock 108 HP Sparekey 108 HP Sparekey enrollment 108 password policy 108 set up BIOS administrator
password 108 System IDs 108 user ...107, 113 system resources 124
T thermal material,
replacement 76 tools required 43 top cover
removal 89 spare part number 27, 89 TouchPad identifying 10 TouchPad indicator, identifying 10, 11...
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