HP Book 4150 manual Display Problems, If sound doesn’t record

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Troubleshooting

Solving Problems

∙For a model without “4150” after the serial number, check settings in BIOS Setup.

1.From the Start menu, shut down, then restart the OmniBook.

2.When you see the HP logo, press F2 to enter the BIOS Setup utility.

3.From the System Devices menu, check that Audio is enabled.

If you hear a loud high-pitched whine (feedback) from the speakers

∙Try reducing the Master volume (Start, Programs, Accessories, Multimedia or Entertainment, Volume Control).

∙Avoid using both the built-in microphone and the built-in speaker at the same time. For example, use an external microphone or external headphones.

If sound doesn’t record

∙For a model without “4150” after the serial number, check settings in BIOS Setup.

1.From the Start menu, shut down, then restart the OmniBook.

2.When you see the HP logo, press F2 to enter the BIOS Setup utility.

3.From the System Devices menu, check that Audio is enabled.

∙Check software controls for recording sound (Start, Programs, Accessories, Multimedia or Entertainment, Sound Recorder).

If sound doesn’t play from a CD-ROM drive in a docking system

∙Enable the Aux B channel in Volume Control. To do this, double-click the speaker icon in the taskbar, then click Options, Properties. Display the controls for Aux B, then clear the Mute setting.

Display Problems

If the OmniBook is on, but the screen is blank

∙Press the space bar or move the pointer to see if the computer is in Standby mode.

∙Press Fn+F1 or Fn+F2 to adjust the display brightness. If you are using an external keyboard, Fn=left CTRL + left ALT.

∙Press Fn+F5 in case the internal display was disabled. (Do this three times to return to the state you started from.)

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Contents HP OmniBook User’s Handbook User’s Handbook HP Software Product License Agreement Edition History Contents Troubleshooting Configuring the OmniBookExpanding the OmniBook Specifications and Regulatory Information Support and ServiceIndex Page Introducing the OmniBook Getting More Information Description and LocationTaking Inventory Included in the OmniBook boxOmniBook Features OmniBook-Front ViewOmniBook-Side View OmniBook-Back View Setting Up for the First Time To set up the OmniBook and WindowsOr AT Their Local Microsoft Office Operating the OmniBook Starting and Stopping the OmniBook To start and stop the OmniBookTo reset the OmniBook To check power status and drive activity Checking the Status of the OmniBookUsing the OmniBook Pointing Devices To use the built-in pointing devices To adjust the display brightness Using the OmniBook DisplayTo extend the life of the display On the Keyboard Adjusting the Audio SystemTo adjust the volume WindowsTo use the Fn hot keys Using the OmniBook KeyboardOmniBook Library To use the embedded keypad Working in Comfort What is RSI?About Repetitive Strain Injury What can I do to avoid RSI? What causes RSI?What if I experience discomfort? Preparing Your Work Environment Your ChairYour Work Surface Your Work PostureSetting Up Your HP Computing Equipment Your HP MonitorWorking in Comfort Document Holders Monitor Use SpecificationsYour HP Keyboard Mice and Other Input Devices Working in Comfort Headphones and Speakers Comfort and Safety ChecklistGeneral Overall Your HP OmniBook Computer Using Your Mobile ComputerPreparing Your Mobile Work Environment Working in Comfort Page Managing Battery Power How Power is Managed Monitoring Battery Power To install APM for Windows NTOn the Battery To check the battery statusTo respond to a low-battery warning From the Windows TaskbarCharging time To recharge a batteryBattery life Optimum ChargingTo replace the battery AdapterTo install a second battery Safety onPage Expanding the OmniBook To install hot-swap support Using Plug-In ModulesTake proper action, you could lose data To replace a plug-in module Using Plug-In Modules Connecting External Devices To identify connectors for external devicesTo enable the built-in and external displays To connect an external monitorTo connect an external keyboard or PS/2 mouse To connect a printerUsing PC Cards To insert and remove a PC CardUsing PC Cards Installing a Hard Disk Drive To replace the hard disk driveInstalling a RAM Expansion Module Installing a RAM Expansion Module Configuring the OmniBook Using Bios Setup To run the Bios Setup utilityConfiguring Security Options To set or change an OmniBook passwordTo delete an OmniBook password To attach a security cable Page Troubleshooting If you can’t boot from a CD in a CD-ROM drive Solving ProblemsAccessory Problems If a port on a dock isn’t workingIf a DVD drive locks up the computer in Windows Audio ProblemsIf sound is not audible If sound doesn’t record Display ProblemsIf the OmniBook is on, but the screen is blank If an external monitor doesn’t work If the screen is difficult to readIf multiple display support doesn’t work in Windows If the hard disk makes buzzing or whining noise Hard Disk Drive ProblemsIf the OmniBook’s hard drive doesn’t spin If files are corruptedIf the pointer is difficult to control Keyboard and Pointing Device ProblemsIf a special feature on the PS/2 mouse doesn’t work If the touch pad or pointing stick doesn’t workIf you have problems with infrared communications If you can’t type the euro symbolWindows NT 4.0 does not support infrared communication If a message says you are out of memory Memory ProblemsPC Card Pcmcia Problems If memory doesn’t increase after adding RAMIf an I/O card stops communicating properly If the OmniBook gets hot Performance ProblemsIf the OmniBook pauses or runs sluggishly If the OmniBook turns off immediately after it turns on Power and Battery ProblemsIf the battery doesn’t charge If the OmniBook keeps beepingIf the OmniBook stops responding If the second battery doesn’t chargeIf the OmniBook doesn’t suspend as expected If the OmniBook doesn’t automatically hibernate as expected Printing ProblemsIf a serial or parallel printer doesn’t print If the left edge of printed output is missing Serial, Parallel, and USB ProblemsIf an infrared printer doesn’t print If the serial mouse doesn’t workIf a serial modem doesn’t work properly Startup ProblemsIf the OmniBook doesn’t boot from battery power If the USB port is not workingIf the OmniBook doesn’t boot from the floppy disk drive Testing the Operation To run the diagnostic testTo create a diagnostic floppy disk SpaceRecovering Software To recover the factory installation of Windows Page Support and Service Getting HP OmniBook Assistance Electronic Support ServicesSupport Assistance Repair Assistance Customer Support CentersCentral/South America Hewlett-Packard Limited Warranty Statement Hewlett-Packard Limited Warranty Statement Specifications and Regulatory Information Hardware Specifications Bus ArchitectureRAM Environmental Limits Major ICs Safety Information Power CordsBattery Safety Laser SafetyLED Safety Regulatory Information Connections to Peripheral DevicesJapan CanadaDeclaration of Conformity International AddressIndex APMConnecting, See Reference Guide location, 14 Configuring, See Reference Guide location User’s Handbook

Book 4150 specifications

The HP Book 4150 is a versatile and powerful printer designed to meet the demands of both home and office environments. Known for its reliable performance and user-friendly features, this printer is an ideal solution for individuals and businesses that require efficient printing solutions without sacrificing quality.

One of the standout features of the HP Book 4150 is its fast printing speeds. With the capability to print up to 30 pages per minute, it ensures that your documents are produced quickly, making it a suitable choice for busy workplaces where time is of the essence. Moreover, it supports automatic duplex printing, allowing users to print on both sides of the paper effortlessly, thereby reducing paper consumption and saving costs.

The HP Book 4150 also boasts impressive print quality, delivering sharp text and vibrant color graphics. Utilizing HP's innovative ink technology, it produces professional-quality documents that are suitable for presentations, reports, and marketing materials. The printer is compatible with various media types, including glossy paper, envelopes, and labels, offering versatility for different printing needs.

In terms of connectivity, the HP Book 4150 is equipped with multiple options, including USB and Wi-Fi connectivity. This allows for easy integration into any workspace, enabling users to print directly from their computers, smartphones, or tablets. The inclusion of mobile printing capabilities through HP Smart App further enhances convenience, allowing for seamless printing from virtually anywhere.

Additionally, the HP Book 4150 features a user-friendly control panel with an intuitive LCD display, making it easy to navigate settings and monitor print jobs. The printer is designed with energy efficiency in mind, meeting Energy Star certification standards, which helps to reduce overall power consumption and lower operational costs.

Another significant characteristic of the HP Book 4150 is its compact design. This makes it suitable for small office spaces or home environments where space may be limited. The printer's build quality ensures durability, promising years of reliable operation with minimal maintenance.

In summary, the HP Book 4150 is a feature-rich printer that offers fast speeds, high-quality prints, versatile connectivity options, and an energy-efficient design. Whether for home or business use, it stands out as a reliable printing solution that meets the diverse needs of users.
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