HP ap5000 All-in-One Point of Sale System User Manual download pdf (Page 79)

Activity Beeps Possible Cause Recommended Action

Red Power LED flashes four

times, once every second,

followed by a two second

pause.

4 Power failure (power

supply is overloaded).

1. Open the hood and ensure the 4 or 6-wire

power supply cable is seated into the

connector on the system board.

2. Check if a device is causing the problem by

removing ALL attached devices (such as

hard, diskette, or optical drives, and

expansion cards). Power on the system. If

the system enters the POST, then power off

and replace one device at a time and

repeat this procedure until failure occurs.

Replace the device that is causing the

failure. Continue adding devices one at a

time to ensure all devices are functioning

properly.

3. Replace the power supply.

4. Replace the system board.

Red Power LED flashes five

times, once every second,

followed by a two second

pause.

5 Pre-video memory error. CAUTION: To avoid damage to the DIMMs or

the system board, you must unplug the computer

power cord before attempting to reseat, install, or

remove a DIMM module.

1. Reseat DIMMs.

2. Make sure a DIMM is installed in the black

DIMM connector first if there is only one

DIMM in the system.

3. Replace third-party memory with HP

memory.

4. Replace the system board.

Red Power LED flashes six

times, once every second,

followed by a two second

pause.

6 Pre-video graphics error. For systems with a graphics card:

1. Reseat the graphics card.

2. Replace the graphics card.

3. Replace the system board.

For systems with integrated graphics, replace

the system board.

Red Power LED flashes

seven times, once every

second, followed by a two

second pause.

7 System board failure

(ROM detected failure

prior to video).

Replace the system board.

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

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 88 89

Comments to this Manuals

No comments

HP ap5000 All-in-One Point of Sale System User Manual Page 79

Comments to this Manuals