Instruction/ maintenance manual of the product 2100 HP (Hewlett-Packard)
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® HP OmniBook 2100/3000/3100 Service Manual.
ii HP OmniBook 2100/3000/3100 Notice In a continuing effort to improve the quality of our products, technical and environmental information in this document is subject to change without notice. This manual and any examples contained herein are provided “as is” and are subject to change without notice.
HP OmniBook 2100/3000/3100 iii Contents 1. Product Information .................................................................................................. 1-1 Features and Operation ..............................................................
iv HP OmniBook 2100/3000/3100 Figures Figure 1-1. OmniBook - Front View .............................................................................................. ...... 1-2 Figure 1-2. OmniBook - Side View ........................................
HP OmniBook 2100/3000/3100 v Table 2-2. Required Equipment .................................................................................................. ......... 2-2 Table 2-3. Recommended Screw Torques ..........................................
vi HP OmniBook 2100/3000/3100 Introduction This service manual provides reference information for the HP OmniBook 2100/3000/3100. It is intended to be used by HP-authorized service personnel in the installation, servicing, and repair of these products.
HP OmniBook 2100/3000/3100 Product Information 1-1 1 Product Information The HP OmniBook 2100/3000/3100 represents a category of HP notebook computers featuring the latest mobile technologies. They use high-speed Intel Pentium processors with MMX technology, large 12.
1-2 Product Information HP OmniBook 2100/3000/3100 Features and Operation The following three illustrations point out the main external features of the computer. They are followed by highlights of the computer’s operation. For an internal, exploded view, see page 4-2.
HP OmniBook 2100/3000/3100 Product Information 1-3 Figure 1-3. OmniBook - Back View Table 1-2. Product Comparisons OmniBook 2100/3100 OmniBook 3000 OmniBook 4100 OmniBook 7100 Processor * Pentium (266, 233, or 200 MHz), with MMX technology. 512-KB burst-synchronous L2 cache.
1-4 Product Information HP OmniBook 2100/3000/3100 Turning the OmniBook On and Off • On. Press the blue power button to turn on the OmniBook. • Standby. The display turns off automatically if the computer is inactive for about 2 minutes. • Suspend.
HP OmniBook 2100/3000/3100 Product Information 1-5 Checking the Status of the OmniBook The OmniBook status panel, located above the keyboard (on the icon PCA), contains indicators that show the current status of the OmniBook. The indicators in the status panel show keyboard status, drive status, and power status.
1-6 Product Information HP OmniBook 2100/3000/3100 The green power light in the hinge area (located on the icon PCA) indicates the power state. The green lights on the main battery or secondary battery indicate its charge level.
HP OmniBook 2100/3000/3100 Product Information 1-7 Resetting the OmniBook 1. Use a pen or a straightened paper clip to push the system-off button in the hole on the back panel. (The switch is on the motherboard.) –or– Press the blue power button until the display shuts down.
1-8 Product Information HP OmniBook 2100/3000/3100 System Resources Below are default values for system resources. To see other, non-default possibilities, use the BIOS Setup utility (see page 3-22), which lists port and audio device configurations in the System Devices menu.
HP OmniBook 2100/3000/3100 Product Information 1-9 Table 1-9. System Input/Output Addresses (100-3FF) 170-177 Internal CD-ROM drive (secondary IDE controller) 1F0-1F7 Internal hard disk (primary IDE c.
1-10 Product Information HP OmniBook 2100/3000/3100 Specifications The following tables list specifications for the OmniBook and its accessories. Table 1-11. HP OmniBook 2100/3000/3100 Specifications Physical Attributes OmniBook 2100: Size: 29.9 × 23.
HP OmniBook 2100/3000/3100 Product Information 1-11 Audio System 16-bit, Sound Blaster Pro-compatible. Stereo sound via two built-in speakers. Built-in microphone. Line-in, line-out, and microphone-in. 3D enhanced audio. MIDI support with optional port replicator (OmniBook 3000 only).
1-12 Product Information HP OmniBook 2100/3000/3100 Major ICs OmniBook 2100/3100: CPU: Intel Mobile Pentium. South Bridge: PIIX4. Video: NeoMagic NM2160 (NMG4). Audio: Crystal CS4237B. CardBus: TI PCI1220. Keyboard controller: National PC87570. Super I/O: SMC 669FR.
HP OmniBook 2100/3000/3100 Product Information 1-13 Table 1-12. HP OmniBook 2100/3000/3100 Accessories OmniBook 3000-Only Accessories F1381A F1369A F1387A F1377A F1379A Port replicator. Monitor stand. 20X CD-ROM drive module. AC adapter. Automobile adapter.
1-14 Product Information HP OmniBook 2100/3000/3100 Internal Design The motherboard PCA is the central component of the OmniBook design. It plays a role in virtually all system functions. The CPU module (MMO) and all other subsystems connect to the motherboard.
HP OmniBook 2100/3000/3100 Product Information 1-15 Table 1-13. Functional Structure Function Modules Roles Bootup CPU module Motherboard System BIOS IC** Keyboard BIOS IC** Floppy disk drive Hard disk drive Main processor (MMO). Primary system circuitry.
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HP OmniBook 2100/3000/3100 Removal and Replacement 2-1 2 Removal and Replacement This chapter tells you how to remove and replace the following components and assemblies. The ones marked by • are user-replaceable. Table 2-1. Removal Cross-Reference • Battery (page 2-3).
2-2 Removal and Replacement HP OmniBook 2100/3000/3100 Table 2-2. Required Equipment • Small Phillips screwdriver, preferably magnetized. • 5 mm hex driver. • Pointed knife or probe. • Three small flat-blade screwdrivers (or equivalent tools for prying).
HP OmniBook 2100/3000/3100 Removal and Replacement 2-3 Removing the Main Battery (User-Replaceable) The main battery is located under the right corner of the palmrest. To remove a secondary battery (an accessory plug-in module), see the next topic below.
2-4 Removal and Replacement HP OmniBook 2100/3000/3100 Removing a Plug-In Accessory Module (User-Replaceable) Note Plug-in accessory modules have no repairable components. A defective module must be exchanged. Required Equipment • None. Removal Procedure 1.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-5 Removing the Hard Disk Drive (User-Replaceable) Table 2-4. Hard Disk Drive Replacement Part Numbers Description Part Number Exchange OmniBook Part Number 2100 3100 3000 Drive, hard disk (2.1GB, 12.
2-6 Removal and Replacement HP OmniBook 2100/3000/3100 Figure 2-4. Installing a Hard Drive in the Case Reassembly Notes Caution • Use a HDD case kit that is compatible with the thickness of the drive, 9.7 mm or 12.7 mm . • OmniBook 2100/3100: The hard drive in an OmniBook 2100 or 3100 must have a metal shield.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-7 4. When prompted, select “Create Hibernate Partition.” OmniBook 2100/3100: We recommend that you create a 96-MB partition, the same as the factory setup. OmniBook 3000: We recommend that you create a 144-MB partition, the same as the factory setup.
2-8 Removal and Replacement HP OmniBook 2100/3000/3100 Figure 2-6. Removing a RAM Board Reassembly Notes • Insert the RAM board into the connector at about a 30° angle until it is fully inserted. Then press down at both sides until both latches snap closed.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-9 Removing the Display Assembly (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery.
2-10 Removal and Replacement HP OmniBook 2100/3000/3100 8. For the inverter/MB cable emerging from the right hinge, unplug the cable from the motherboard.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-11 Removing the LCD Module (HP Authorized Service Providers Only) Note The exact details for removing the LCD module depend on the type of module. Some details may differ from those described below.
2-12 Removal and Replacement HP OmniBook 2100/3000/3100 Figure 2-9. Removing the Hinge Covers and Icon Window Cover 6. Pry off the two screw covers by the hinges (use a pointed knife or probe), then remove the two screws. For a 12-inch display, pry off the two display bumpers at the top of the display, then remove the two additional screws.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-13 7. Starting at the left side of the display, use your fingers to gently pull the display bezel toward the edge of the display case until the snaps release. As the snaps release, work your way up the left side, across the top, and down the right side—until only the bottom edge is attached.
2-14 Removal and Replacement HP OmniBook 2100/3000/3100 Figure 2-11. Removing the 12" LCD Module Figure 2-12. Removing the 13" LCD Module Screw, M3×5mm (4) LCD Module EPE Foam (may be 3 pie.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-15 Reassembly Notes Caution Be sure to replace the LCD module or other display components with compatible parts. Components may be damaged if compatible parts are not used. See the table above. • Secure the LCD flex cable to the LCD module with a piece of Kapton tape next to the LCD connector.
2-16 Removal and Replacement HP OmniBook 2100/3000/3100 Figure 2-13. Removing a 12" Display Case and Display Bracket Reassembly Notes Caution Be sure to replace display components with compatible parts. Components may be damaged if compatible parts are not used.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-17 Removing a 13" Display Case or Display Bracket (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. • Pointed knife or probe. • Three small flat-blade screwdrivers (or equivalent tools for prying).
2-18 Removal and Replacement HP OmniBook 2100/3000/3100 Figure 2-14. Removing a 13" Display Case and Display Bracket Reassembly Notes Caution Be sure to replace display components with compatible parts. Components may be damaged if compatible parts are not used.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-19 Removing the Keyboard (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery.
2-20 Removal and Replacement HP OmniBook 2100/3000/3100 Figure 2-16. Removing the Keyboard Reassembly Notes Important After inserting the keyboard into the case, make sure the back edge of the keyboard is underneath the four plastic tabs on the case–you should see a small gap between the front of the keyboard backplate and the top case.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-21 • Floppy drive or other plug-in module (see page 2-4). • Hard drive (see page 2-5). • Display assembly (see page 2-9). • Keyboard (see page 2-19). 3. Remove the heatsink by doing the following: • Remove the three recessed screws from the heatsink.
2-22 Removal and Replacement HP OmniBook 2100/3000/3100 4. Unplug the speaker/touch-pad cable from the motherboard. (See the picture below.) 5. Turn the unit bottom side up and remove the five bottom case screws. Two of the five screws are hidden at the front corners inside the battery and hard drive slots.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-23 7. Lift up along the back edge of the top case until that edge is free. 8. Place your thumbs on the front of the bottom case and your fingertips wrapped around the back of the palmrest.
2-24 Removal and Replacement HP OmniBook 2100/3000/3100 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. • 5 mm hex driver. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-25 7. Lift the hard drive housing only until the PCMCIA pushbuttons clear the bottom case. Then gently work the motherboard forward until the I/O bracket slips free. The audio jack cover is released when you remove the motherboard.
2-26 Removal and Replacement HP OmniBook 2100/3000/3100 Note: Installing a New Bottom Case • Transfer these parts from the old bottom case to the new one: Plastic parts (I/O door, RAM cover). Lock plate and IR lens, if not included with new case (see Figure 2-21).
HP OmniBook 2100/3000/3100 Removal and Replacement 2-27 3. Store the serial number: If you are prompted for the serial number, type the serial number shown on the bottom of the case. If a serial number has already been stored, you must call an HP support center to change it.
2-28 Removal and Replacement HP OmniBook 2100/3000/3100 Required Equipment • Small flat-blade screwdriver. • IC insertion/removal tool. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. On the bottom of the unit, insert a flat-blade screwdriver into the slot at the edge of the BIOS cover and pry it off.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-29 Reassembly Notes Caution Align the IC with the slot in the socket. The IC is keyed to fit correctly. If you insert the IC backward, the IC or motherboard could be damaged. • Press down firmly on the IC with your thumb to ensure a proper connection.
2-30 Removal and Replacement HP OmniBook 2100/3000/3100 Component Removal Procedures Additional Steps Cable, LCD flex (12-inch display) Plug-in module (page 2-4). Display (page 2-8). LCD module (page 2-11). Reassembly Notes: The notched end of the metal tube fits under the display bracket, and the tab on the side fits inside the hinge opening.
HP OmniBook 2100/3000/3100 Removal and Replacement 2-31 Component Removal Procedures Additional Steps Latch, Display (or Spring) Plug-in module (page 2-4). Hard drive (page 2-5). Display (page 2-8). Keyboard (page 2-19). Top case (page 2-20). To remove, lift the left corner.
2-32 Removal and Replacement HP OmniBook 2100/3000/3100 Component Removal Procedures Additional Steps PCA, USB Plug-in module (page 2-4). Hard drive (page 2-5). Display (page 2-8). Keyboard (page 2-19). Top case (page 2-20). Motherboard, but only until the USB PCA is removed (page 2-23).
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-1 3 Troubleshooting and Diagnostics This chapter includes troubleshooting and diagnostic information for testing the functionality of the OmniBook and identifying faulty modules: • Troubleshooting information Troubleshooting the problem (page 3-2).
3-2 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Troubleshooting The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality repair, HP recommends that you follow the basic troubleshooting steps shown in the illustration below.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-3 • Separate Problems. If there is more than one symptom, separate them into distinct problems. • Consider Causes. Keep in mind possible causes for each problem. Use the diagnostic tools and troubleshooting suggestions to help find possible causes.
3-4 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Suggestions for Troubleshooting Table 3-1. Scope of Diagnostic Tools Function OmniBook Diagnostics Power-On Self-Test Sycard PCCtest 450 .
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-5 If you can’t isolate the cause of a problem using the diagnostic tools, you can use the suggestions in the following table to help find the problem.
3-6 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Password has been forgotten Verify proper ownership, then follow the removal procedure with the owner and log the appropriate data—see page 5-1.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-7 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Hard disk Hard disk never spins Check the power source. Remove and reinsert the hard drive. Check the contacts.
3-8 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Touch pad General problems Check settings in Control Panel. Touch-pad PCA. Top case. Motherboard. Special touch pad driver features not working In Mouse Properties, select the TouchPad mouse type.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-9 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments USB General problems USB is not supported in Windows N T 4. 0 . USB PCA. Motherboard. Check for bent pins and misaligned connectors for the USB PCA.
3-10 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Computer pauses or runs sluggishly May be normal Windows behavior (background processing can affect response time).
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-11 Diagnostic Tools This section describes the following diagnostic tools you can use for troubleshooting and repairing the OmniBook: • OmniBook hardware diagnostic program (page 3-11). • Power-on self-test (page 3-16).
3-12 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 • On any computer with a CD-ROM drive, run diaginst from the OmnibookDmiHpdiags directory on the Recovery CD for the computer model you are repairing (OmniBook 2100/3100 or OmniBook 3000).
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-13 12. Optional: Check the log. On any computer, open the HPSUPPT.TXT log file on the diagnostic disk using Notepad or other text editor. It contains a hardware summary and a list of all test results and errors.
3-14 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 0120h - 0150h For 00FFFFFFh (OmniBook 3000) or 01FFFFFFh (OmniBook 2100/3100) and below, replace the motherboard. Above that value, replace the corresponding RAM board (each 01000000h represents 16MB).
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-15 0603h For the external loopback test, make sure the loopback connector is installed and constructed properly. For the external or internal loopback test, replace the motherboard. 0604h - 0605h Replace the motherboard.
3-16 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 9009h Do not run this test in Windows. For the one- unit test, replace the motherboard. For the two- unit test, make sure the IR ports on the reflector and test computers are lined up, replace the IR PCA, replace the motherboard.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-17 Table 3-5. POST Messages Message Description 0200 Failure Fixed Disk Fixed disk is not working or not configured properly. Check to see if fixed disk is attached properly. Run Setup. Find out if the fixed-disk type is correctly identified.
3-18 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Message Description 02F7: Fail-Safe Timer NMI Failed ServerBIOS2 test error: Fail-Safe Timer takes too long.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-19 Sycard PCCtest 450 CardBus Card (Optional) The PCCtest 450 CardBus Card (version 1.05 required for the OmniBook 2100/3100) available from Sycard Technology is an optional diagnostic tool.
3-20 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Desktop Management Interface (DMI) The Desktop Management Interface (DMI) is basically a set of rules for accessing information about a personal computer.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-21 Hewlett-Packard has developed a number of extensions to DMI to allow the enhanced features of HP OmniBook computer to be managed with DMI, including features such as passwords and tattooing (identifying a computer using a unique string of characters).
3-22 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 BIOS Setup Utility The BIOS Setup utility provides access to basic configuration settings. It is independent of the operating system. Running the BIOS Setup Utility 1. Close all applications, then shut down Windows and reboot the OmniBook.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-23 Serial Port Sets how the serial port is configured by the BIOS (specified or automatic). Enabled Base I/O address Sets the I/O address and interrupt. 3F8h, IRQ4 (COM1) Infrared Port Sets how the infrared port is configured by the BIOS (specified or automatic).
3-24 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100 Resume If boot security is enabled, sets whether a user password is required when resuming from a suspended state. OB 2100/3100: Enabled OB 3000: Disabled OmniBook 2100/3100: Undock If boot security is enabled, sets whether a user password is required when undocking the OmniBook.
HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-25 Exit Menu Save Changes and Exit Saves Setup changes, exits, and reboots. Discard Changes and Exit Discards Setup changes since last save, exits, and reboots. Does not affect Security and date/time changes.
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HP OmniBook 2100/3000/3100 Replaceable Parts 4-1 4 Replaceable Parts This chapter contains an exploded view of the OmniBook and the following lists of parts: • OmniBook replaceable parts (page 4-3). • Assembly-component breakout (page 4-6) • Accessory replacement parts (page 4-7).
4-2 Replaceable Parts HP OmniBook 2100/3000/3100 Figure 4-1. Exploded View Note: 13-inch display shown. To see 12-inch display parts, see chapter 2..
HP OmniBook 2100/3000/3100 Replaceable Parts 4-3 Table 4-1. OmniBook Replaceable Parts Description Part Number Exchange User OmniBook Part Number Repl.
4-4 Replaceable Parts HP OmniBook 2100/3000/3100 Description Part Number Exchange User OmniBook Part Number Repl. 2100 3100 3000 Foam, EPE (13" TFT) F1391-60926 ••• Foot, rubber F1580-60932.
HP OmniBook 2100/3000/3100 Replaceable Parts 4-5 Description Part Number Exchange User OmniBook Part Number Repl. 2100 3100 3000 28 PCA, inverter (12" TFT and DSTN) F1580-60905 • 28 PCA, invert.
4-6 Replaceable Parts HP OmniBook 2100/3000/3100 Table 4-2. Assembly-Component Breakdown Assembly Part Number OmniBook Component Part Number Incl. 2100 3100 3000 Bezel, display (12") F1580-60911 .
HP OmniBook 2100/3000/3100 Replaceable Parts 4-7 Table 4-3. Accessory Replaceable Parts Description Part Number Exchange User OmniBook Part Number Repl.
4-8 Replaceable Parts HP OmniBook 2100/3000/3100 Table 4-4. Part Number Reference Part Number Exchange Description User OmniBook Part Number Repl. 2100 3100 3000 Label, regulatory (OB2100) • Label, regulatory (OB3100) • 0515-2699 Screw, M2.5×4mm ••• 0950-2671 F1386-69100 Drive, hard disk (4.
HP OmniBook 2100/3000/3100 Replaceable Parts 4-9 Part Number Exchange Description User OmniBook Part Number Repl. 2100 3100 3000 F1391-60912 PCA, IR ••• F1391-60913 Case, bottom • F1391-60914 .
4-10 Replaceable Parts HP OmniBook 2100/3000/3100 Part Number Exchange Description User OmniBook Part Number Repl. 2100 3100 3000 F1391-60959 Cable, inverter/MB (13" TFT) • F1391-60960 Bumper, .
HP OmniBook 2100/3000/3100 Replaceable Parts 4-11 Part Number Exchange Description User OmniBook Part Number Repl. 2100 3100 3000 F1580-60932 Foot, rubber Yes •• F1580-60934 PCA, touch-pad ••.
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HP OmniBook 2100/3000/3100 Reference Information 5-1 5 Reference Information This chapter includes the following reference information: • Password removal policy. • Display quality statement. Password Removal Policy If the user forgets the system password, the user calls Technical Support to determine the proper removal procedure.
5-2 Reference Information HP OmniBook 2100/3000/3100 Hewlett-Packard Display Quality Statement TFT display manufacturing is a high precision but imperfect technology and manufacturers cannot currently produce large displays that are cosmetically perfect.
HP OmniBook 2100/3000/3100 Reference Information 5-3 Table 5-1. OmniBook 2100/3000/3100 LCD Guidelines (TFT) Type of Imperfection Imperfections Not Allowed NEC 13" TFT, XGA Electrical Imperfections: Bright dots (a) Dark dots (a) • 13 or more single bright dots.
5-4 Reference Information HP OmniBook 2100/3000/3100 Table 5-2. OmniBook 2100 LCD Guidelines (DSTN) Type of Imperfection Imperfections Not Allowed Sanyo 12" DSTN, SVGA Imperfections: Spots (a) Lines (b) Polarizer scratches (c) Polarizer dents, bubbles (d) • 5 or more spots 0.
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1. Product Information 2. Removal and Replacement 3. Troubleshooting and Diagnostics 4. Replaceable Parts 5. Reference Information Part Number 5967-4703 Printed in U.
An important point after buying a device HP (Hewlett-Packard) 2100 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought HP (Hewlett-Packard) 2100 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data HP (Hewlett-Packard) 2100 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, HP (Hewlett-Packard) 2100 you will learn all the available features of the product, as well as information on its operation. The information that you get HP (Hewlett-Packard) 2100 will certainly help you make a decision on the purchase.
If you already are a holder of HP (Hewlett-Packard) 2100, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime HP (Hewlett-Packard) 2100.
However, one of the most important roles played by the user manual is to help in solving problems with HP (Hewlett-Packard) 2100. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device HP (Hewlett-Packard) 2100 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
