Resolve Windows 10 or update issues on an HP computer or printer — Click here. Check our tips and fixes! Serial number:. Product number:. Warranty end date:. Warranty removed from product: This product was designated to be returned to HP.
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It provides comprehensive information on identifying computer features, components, and spare parts; troubleshooting computer problems; and performing computer disassembly procedures. Microsoft and Windows are U. Intel and Core are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. SD Logo is a trademark of its proprietor.
Java is a trademark of Sun Microsystems Inc. MSG revision history Revision Publication date Description A October The description for Top cover part number has been corrected to "For use with nw models without fingerprint reader. Contents 1 Product Description 1. Contents 3 Illustrated Parts Catalog 3. Contents 5 Removal and Replacement Procedures 5.
Product Description 1. These steps also clear CMOS. If stringent security is enabled, the system board must be replaced to reset an unknown password. Refer to Section 5. When the battery reaches a critical low-battery condition, the battery light begins blinking more quickly. Product Description The external components on the right side of the computer are shown below and described in Table Right-Side Components Table Right-Side Components Item Component Function 1 Audio-out headphone jack Produces computer sound when connected to optional power stereo speakers, headphones, ear buds, a headset, or television audio.
Product Description The external components on the rear panel of the computer are shown below and described in Table Product Description The external components on the left side of the computer are shown below and described in Table These deterrents may not prevent a product from being mishandled or stolen. Use the computer only a hard, flat surface. Do not allow a hard surface, such as an adjoining printer, or a soft surface, such as pillows or thick rugs or clothing, to block airflow.
Product Description The standard keyboard components of the computer are shown below and described in Table When combined with the fn key, several keys and buttons perform additional tasks as hotkeys.
If the system has stopped responding and Windows shutdown procedures cannot be used, press and hold for 5 seconds to turn off the computer. Product Description The external components on the bottom of the computer are shown below and described in Table Because of the complexity of the individual boards and subassemblies, do not attempt to make repairs at the component level or modifications to any printed wiring board.
Improper repairs can create a safety hazard. Troubleshooting 2. Select the Main, Security, Advanced, or Tools menu. When you are prompted to confirm your action, press f Power-on Password Enter, change, or delete a power-on password. Accessibility Options Allows electronic and information technology to be accessible to people with varying ranges of abilities.
Video Memory Displays the amount of video memory available on the computer. Troubleshooting Flowchart 2. N Go to Is there power? Beeps, LEDs, or error messages? N Y Go to All drives working? N Go to Is there video? N Go to Is there sound? Remove from docking device if applicable. N N Power up on battery power?
Go to Power up on battery power? Reset power. Power up on AC power? Reset the power cables in the docking device and at the AC outlet. Y Power on? Done N Check battery by recharging it, moving it to another computer, or replacing it. N Replace power supply if applicable. Power on? Y N Go to Done Power on? Y Power LED on?
Done N Reseat AC adapter in computer and at power source. Done N External N Try different outlet. Power outlet active? Y Internal or external AC adapter? Replace external AC adapter. Y Loose or damaged parts? N Reseat loose components and boards and replace damaged items. Close computer and retest. N Power on? Replace the following items if applicable. Check computer operation after each replacement: 1. Internal AC adapter 3. Docking Device Go to Stand-alone or docking device?
Y Adjust brightness. A Adjust brightness. Press lid switch to ensure operation. Y Video OK? Done N Done N Replace the following one at a time. Test after each replacement. Adjust display brightness. Check brightness of external monitor.
Done N Check that computer is properly seated in docking device, for bent pins on cable, and for monitor connection. Try another external monitor. Reset power cord in docking device and power outlet. Check voltage setting on docking device. Reset monitor cable connector at docking device. Reinstall computer into docking device. Y Docking device operating? N Y Docking device operating?
Done Done N Replace docking device. Y Nonsystem disk message? Y OS loading? N Y Boot from diskette? Check the Setup utility for correct booting order.
Y Change boot priority through the Setup Utility and reboot. N Boot from hard drive? N Y Boot from hard drive? Replace hard drive. Replace system board. CD or diskette in drive? Y Hard drive accessible? Y Done N Remove diskette and reboot. Y Boot from hard drive? N Done N Hard drive partitioned? Install OS and reboot. Y Y Y Virus on hard drive? OS loading from hard drive?
HP nw8440 - Mobile Workstation Manuals
The machine was running XP Professional. He suggested reinstalling XP, but I figured Windows 7 would be a good choice. So far I have had good success with Windows 7, even on older hardware. I installed the RAM first see Maintenance and Service guide in the manuals link in resources below in order to make sure it was working properly. One stick is on the bottom of the laptop behind a door, the other stick is under the keyboard. Past experience has shown that, of all components, RAM can be the most finicky.
Manual zz. Workstation performance on the move High-performance mobile workstation frees you from the confines of your desk. HP Professional Innovations A suite of value-added security, ease-of-use, and reliability features that helps differentiate HP Business Notebooks from all the rest. NET Framework 1. However, double-layer discs burned with this drive may not be compatible with many existing single-layer DVD drives and players 3 LightScribe creates a grayscale image similar to black and white photography. LightScribe media required and sold separately. Availability of public wireless access points limited.
HP Compaq nw8440 Manuals
These notebooks have 2 RAM slots available. One slot external can be accessed through the door on the bottom. Another slot internal is hidden under the keyboard. These screws are shown on the following picture.