HP ProBook 4321s Support Question

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Question posted by chiekieminence77 on March 1st, 2020

Hp Probook 4321 Bios Restore

fixing booting problems and restoring BIOS

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Answer #1: Posted by hzplj9 on March 1st, 2020 12:58 PM

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This is a link to the Maintenance and service guide.

https://www.manualslib.com/manual/894940/Hp-Probook-4320s.html#product-ProBook%204321s

However I have included a link to a youtube video which explains how to upgrade the bios. You need to check the current level and verify if there is a newer version.

www.youtube.com/watch?v=k243bGIP3cc

Hope that helps solve your dilemma.

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End User License Agreement - Page 2

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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 1

troubleshooting computer problems; and performing computer disassembly procedures. It provides comprehensive information on identifying computer features, components, and spare parts; 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 ...

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9

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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 10

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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 13

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-...

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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 16

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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 107

...Setup, choose one of the screen, and then follow the on the screen. - Restoring factory settings in Computer Setup To return all settings in this chapter may not be supported...Use the arrow keys to enter BIOS Setup. 3. NOTE: Your password settings and security settings are not changed when you restore the factory settings. Press f10 to select File>Restore defaults, and then press enter....

HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 108

.... 100 Chapter 5 Computer Setup 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... settings. (Password settings and security settings are not changed when you restore the factory settings.) Restore the BIOS security settings to the factory default. Then exit and restart the computer...

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HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 112

... the computer, and then press esc while the "Press the ESC key for all BIOS menu items. Restore the default security settings. Press f10 to Network ◦ Follow Boot Order ● Enable/disable the integrated camera (webcam). ● Enable/disable Power Monitor...follow these steps: 1. Enable/disable USB port. Turn on LAN state. ◦ Disabled ◦ Boot to enter BIOS Setup.

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