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Maintenance and Service Guide M24fwa model M45738 M27fwa model M45741 SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
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Devices, Inc. Bluetooth is a trademark owned sure to read “Important Safety Information”. by its proprietor and used by HP Inc. under license. NVIDIA is a trademark and/or registered trademark of NVIDIA Corporation in the U.S. and other countries. USB Type-C and USB-C are registered trademarks of USB Implementers Forum.
Table of Contents 1 Getting started ................................1 Important safety information ..........................1 Important service information and precautions ....................1 RoHS (2002/95/EC) requirements .......................... 2 General descriptions .............................. 2 Firmware updates ..............................2 Before returning the repaired product to the customer ..................2 2 Monitor features ................................
Getting started Read this chapter to learn about safety information and where to find additional HP resources. Important safety information Carefully read the cautions and notes within this document to minimize the risk of personal injury to service personnel. The cautions and notes are not exhaustive. Proper service methods are important to the safe, reliable operation of equipment.
Level 2: Circuit board or standard parts replacement Firmware updates Firmware updates for the monitor are available at support.hp.com. If no firmware is posted, the monitor does not need a firmware update. Before returning the repaired product to the customer Perform an AC leakage current check on exposed metallic parts to be sure the product is safe to operate without the potential of electrical shock.
Cable management feature for placement of cables and cords NOTE: For safety and regulatory information, refer to the Product Notices provided in your documentation kit. To access the latest user guide, go to http://www.hp.com/support, and follow the instructions to find your product. Then select User Guides.
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Front components To identify the components on the front of the monitor, use this illustration and table. Table 1-1: Front components and their descriptions Component Function Press to open the OSD menu, select a menu item Menu button from the OSD, or close the OSD menu. When the OSD menu is open, the Menu light turns on.
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buttons, and then select one of the available options for the button you want to assign.
Depending on the product, the serial number and product number are located on a label on the rear of the monitor or on a label under the front bezel of the monitor head. You might need these numbers when contacting HP for support.
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For worldwide models (except India): Barcode label Safety label For India: Bar code label Spec label...
You can purchase cables from the HP part store at https://partsurfer.hp.com/Search.aspx. NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to http://partsurfer.com, select your country or region, and then follow the on-screen instructions.
Removal and replacement procedures Adherence to these procedures and precautions is essential for proper service. Preparation for disassembly Use this information to properly prepare to disassemble and reassemble the monitor. 1) Read the “Important safety information” and “Important service information and precautions” sections in the “Getting started”...
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Step 1 Quick release Base stand (1). Lay the display on soft desk and push the button of stand to unlock the stand, then pull out the stand form the monitor head. Press the white button a. Press white button with one hand b.
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Step 3: Strip four screws from the hinge. Step 4: Remove the acetate tapes from the LVDS/ LED cable. Step 5: Pull out the LVDS/ LED cable to panel. Step 6: Strip twelve screws from the rear cover supporter and M/B.
Connector repair M24fwa This procedure includes HDMI and VGA connectors. The connectors are on the main board (board part number R352443320150 The connectors identifiers are as follows: Connector Location HDMI 1/2 P200 P100...
▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 12. HDMI connector P200/P300 Repair the HDMI connector: 1) Use a soldering iron and a desoldering pump to remove as much solder as possible from the pin. M24fwa...
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M27fwa Use a hot air gun to melt the solder on the pins. M24fwa M27fwa 2) Lift the P200 or P300 connector from the PCB.
1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the pin. 2) Use a hot air gun to melt the solder on these pins. M24fwa M27fwa 3) Lift the P100 connector from the PCB.
Support and troubleshooting The following table lists possible problems, the possible cause or each problem, and the recommended solutions. Table 4-2: Solving common problems Problem Possible cause Solution Screen is blank or Power cord is disconnected. Connect the power cord. video is flashing.