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HP ProBook 4420s Support Question

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Question posted by ovjohndu on November 7th, 2013

How To Remove Bios Battery For Hp Probook 4420s

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Related HP ProBook 4420s Manual Pages

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

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. and performing computer disassembly procedures. It provides comprehensive ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 9

...Name 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 the People's Republic of China. 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

...-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

...: ● 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

...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 ...-band WWAN antennas built into display √ assembly Subscriber identity module (SIM) security (customer-accessible in battery bay) One ExpressCard slot (34 mm) √ √ √ √ √ Media ...
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) √ √ √ ...; √ (3-wire plug with ground pin) 9-cell, 93-Wh Li-ion battery √ √ √ √ 6-cell, 47-Wh Li-ion battery √ √ √ √ Security Supports Kensington security lock √...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 14

... Chapter 1 Product description EDGI √ √ √ √ (available for Argentina, Brazil - 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

... 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

Category Serviceability Description HP ProBook 4320s HP ProBook4 320s / 4321s HP ProBook 4420s HP ProBook 4421s UMA Discrete UMA Discrete Microsoft Office ... √ √ √ √ √ √ Windows Vista Business 64 End-user replaceable parts: AC adapter Battery (system) √ √ √ √ √ √ √ √ √ √ √...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 57

... unsure whether the computer is off or in Hibernation, turn the computer on a flat surface with the battery bay toward you hear a click. Disconnect all external devices connected to release the battery. 3. Remove the battery: 1. Install the battery by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 58

... 50 Chapter 4 Removal and replacement procedures SIM NOTE: This section applies only to release it from the computer. Be sure that the SIM is inserted backwards or upside down, the battery may not snap ... off or in the SIM slot, it down the computer. If you hear a click. Remove the SIM: 1. Disconnect the power from the computer by inserting it into place properly and could damage...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 59

.... Disconnect all external devices connected to the computer. 3. Open the computer as far as possible. Shut down with 35.6-cm (14.0-in the battery bay. 3. Remove the battery (see Battery on , and then shut it down through the operating system. 2. Component replacement procedures 51 Disconnect the power from the computer by first unplugging the...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 61

... system. 2. If you are unsure whether the computer is off or in Computer major components on page 49). 5. Remove the switch cover (see Battery on page 22 Before removing the keyboard, follow these steps: 1. Remove the keyboard: 1. Keyboard Description Spare part number Keyboard For computer models with 33.8-cm (13.3-in) displays 599572-xxx...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 63

... Description Memory module (PC3-10600, 1333-MHz, DDR3, shared) 2048-MB 1024-MB Spare part number 598856-002 598859-002 Before removing the memory module, follow these steps: 1. Remove the battery (see Battery on page 53). Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 65

...Remove the battery (see Battery on the top cover to the optical drive bracket (2) and press the to the right to remove the optical drive . Insert a flat-bladed screwdriver or similar tool into the access point on page 49). 5. Component replacement procedures 57 Disconnect all external devices connected to the computer. 3. Remove...drive from the computer. Remove the Phillips PM2.5×...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 67

... the AC outlet and then unplugging the AC adapter from the double-sided tape that connects the power button board cable to the base enclosure. 3. Remove the battery (see Switch cover on page 49). 5. Component replacement procedures 59 Power button board Description Power button board with cable (included with switch cover, see...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 68

... computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the system board. Remove the switch cover and keyboard (see Battery on page 49). 5. Remove the speakers: 1. NOTE: The two speakers are connected with the front toward you are unsure whether the computer is off...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 70

Remove the battery (see Battery on page 1). WWAN module NOTE: Only select models with include a WWAN module (see Product description on page 49). 5. Shut down through Help and Support. Remove ... "Aux" terminal. 3. Position the computer right-side up .) 62 Chapter 4 Removal and replacement procedures Description Qualcomm EV-DO HSPA Spare part number 531993-001 CAUTION: ...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 72

...Remove the battery (see Keyboard on page 49). 5. Remove the keyboard (see Battery on page 53) Remove the palm rest: 1. Disconnect all external devices connected to the computer. 64 Chapter 4 Removal and replacement procedures Remove...with 35.6-cm (14.0-in Hibernation, turn the computer on page 51) 6. Remove the three Phillips PM2.5×3.0 broadhead screws (1) that secure the palm rest to...
HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Maintenance and Service Guide - Page 74

...down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Remove the following components: a. Description 500-GB, 7200-rpm hard drive 320-GB, 7200-rpm... number 599543-001 599542-001 599541-001 Before removing the hard drive, follow these steps: 1. Keyboard (see Battery on page 53) c. Remove the two Phillips PM2.0×3.0 screws (1) and...

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