HP Compaq Professional 5000 series Guía para resolver problemas descargar pdf (Pagina 19)

2-10

Troubleshooting Flowcharts for Desktop Computers

9. Error Messages, Part 2

1S 2L. Num Lock blinkin

System memory not present or incompatible.

Unplu

, open computer, and check memory modules. Ensure memory modules

are correct type and that they match in size and speed.

1L 2S. Cap Lock blinkin

Video controller not present or incorrectly

initialized.

Ensure monitor is plu

ed in. Unplu

, open computer, and check

video card. Reseat card and ensure it is in the proper expansion slot.

1L 3S. All keyboard LEDs blinkin

ROM Failure.

Create ROMPaq diskette and

reload ROM. Download ROMPaq from Compaq website at www.compaq.com.

2L 1S. Scroll Lock blinkin

System HW failure prior to video.

Unplu

, open

computer, and check for physical dama

e. Ensure all cables and cards are seated.

Look for burn marks or smoke.

No beeps. HD and Power LED blinkin

Riser not detected.

Unplu

, open

computer, and check and reseat riser board.

Continued from Pa

e 2-9,

Error Messa

es, Part 1

Continued on Pa

e 2-11,

Error Messa

es, Part 3.

Caution:

Power is continuous to the system board and power

supply even when the power switch is turned off. To prevent

dama

e to the unit, disconnect the power cord from the power

source or the unit before be

innin

disassembly procedures.

Notes:

Short (S) and lon

(L) beeps will only be

heard if the system has a speaker.

LEDs will only function on PS/2 keyboards, not USB.

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