HP RP7 7800 Base Model manual Appendix a Troubleshooting

Page 68

Table A-1Diagnostic Front Panel LEDs and Audible Codes (continued)

Activity

Beeps

Possible Cause

Recommended Action

 

 

 

 

 

Red Power LED flashes four

4

Power failure (power

1.

Ensure the DC power cable is plugged into

times, once every second,

 

supply is overloaded).

 

the I/O panel.

followed by a two second

 

 

2.

Check if a device is causing the problem by

pause. Beeps stop after fifth

 

 

iteration but LEDs continue

 

 

 

removing ALL attached devices (such as a

 

 

 

hard drive). Power on the system. If the

until problem is solved.

 

 

 

 

 

 

system enters the POST, then power off

 

 

 

 

 

 

 

 

and replace the device to see if the problem

 

 

 

 

is resolved.

 

 

 

3.

Replace the power supply.

 

 

 

4.

Replace the system board.

 

 

 

 

Red Power LED flashes five

5

Pre-video memory error.

CAUTION: To avoid damage to the SODIMMs

times, once every second,

 

 

or the system board, you must unplug the

followed by a two second

 

 

computer power cord before attempting to

pause. Beeps stop after fifth

 

 

reseat, install, or remove a SODIMM module.

iteration but LEDs continue

 

 

1.

Reseat SODIMMs.

until problem is solved.

 

 

 

 

 

 

 

 

 

2.

Replace SODIMMs one at a time to isolate

 

 

 

 

the faulty module.

 

 

 

3.

Replace third-party memory with HP

 

 

 

 

memory.

 

 

 

4.

Replace the system board.

 

 

 

 

 

Red Power LED flashes six

6

Pre-video graphics error.

1.

Unplug the power cord. Press the CMOS

times, once every second,

 

 

 

reset button. Install the FDO jumper to

followed by a two second

 

 

 

disable ME (or remove the FDO jumper to

pause. Beeps stop after fifth

 

 

 

disable ME if it was installed).

iteration but LEDs continue

 

 

2.

Replace the system board.

until problem is solved.

 

 

 

 

 

 

Red Power LED flashes

7

System board failure

Replace the system board.

seven times, once every

 

(ROM detected failure

 

 

second, followed by a two

 

prior to video).

 

 

second pause. Beeps stop

 

 

 

 

after fifth iteration but LEDs

 

 

 

 

continue until problem is

 

 

 

 

solved.

 

 

 

 

 

 

 

 

 

Red Power LED flashes eight

8

Invalid ROM based on

1.

Reflash the system ROM with the latest

times, once every second,

 

bad checksum.

 

BIOS image.

followed by a two second

 

 

2.

Replace the system board.

pause. Beeps stop after fifth

 

 

iteration but LEDs continue

 

 

 

 

until problem is solved.

 

 

 

 

 

 

 

 

 

Red Power LED flashes nine

9

System powers on but is

1.

Replace the processor.

times, once every second,

 

unable to boot.

2.

Replace the system board.

followed by a two second

 

 

pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.

62 Appendix A Troubleshooting

ENWW

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Contents Hardware Reference Guide Hardware Reference Guide About This Book Iv About This Book Table of contents Preventing Electrostatic Damage Grounding Methods Product Features Standard FeaturesOptional HP RP7 Accessories Optional HP RP7 Accessories Using the On-Screen Display Menu Front Panel ControlsUsing the On-Screen Display Menu Rear I/O Panel Components Tools Needed Mounting the RP7 to a Wall or Swing ArmInstalling the RP7 Adjustable Stand Installing the RP7 Adjustable Stand Enww Enww Enww Enww Routing Cables to External Devices Routing Cables to External Devices Enww Enww Installing Optional Integrated USB Modules Installing Optional Integrated USB Modules Enww Enww Enww Installing an Optional HP Retail RP7 10.4 Customer Display Enww Enww Enww Enww Enww Installing an Optional HP Retail RP7 VFD Customer Display Enww Enww Enww Enww Enww Enww Installing Additional Memory SODIMMsPopulating Sodimm Sockets Enww Enww Enww Enww Removing and Installing a Hard Drive Removing and Installing a Hard Drive Enww Enww Replacing the Battery Replacing the Battery Enww Enww Enww Enww Enww Using the USB Security Cover Enww Enww Securing the RP7 to a Counter Top Installing an External Security Lock Cable LockPadlock Configuring the MSR and VFD Customer Display Touch Screen CalibrationConfiguring Powered Serial Ports Troubleshooting Appendix a Troubleshooting Enww Preventing Electrostatic Damage Grounding MethodsTouch Screen Maintenance Computer Operating Guidelines and Routine CareShipping Preparation Index
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RP7 7800 Base Model, RP7 7800 specifications

The HP RP7 7800 is a versatile and robust retail solution, designed to meet the demands of modern businesses in various sectors, including hospitality, retail, and other fast-paced environments. This all-in-one system combines advanced technology and a user-friendly design, making it an ideal choice for businesses seeking efficiency and reliability.

One of the standout features of the HP RP7 7800 is its sleek design, which provides a modern aesthetic that fits seamlessly into any retail or service setting. The compact form factor helps save valuable counter space while maintaining high performance. The system is equipped with a 15.6-inch touchscreen display, which is highly responsive and can be tilted for ease of use. The display is bright and clear, ensuring visibility even in challenging lighting conditions.

Powering the RP7 7800 is an Intel processor, delivering substantial performance capabilities for running various applications simultaneously. With options for Intel's latest chipsets, businesses can choose the level of power that meets their specific needs. This processing capability is complemented by a range of memory and storage options, allowing businesses to customize the system to suit their operational requirements.

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Overall, the HP RP7 7800 is an exceptional choice for businesses looking to enhance their operations with a powerful, reliable, and flexible all-in-one retail solution. With its combination of performance, durability, and modern design, it meets the needs of various industries, making it a valuable asset for any forward-thinking business.
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