TroubleShooting

Hardware TroubleShooting

Pendahuluan : Dalam memakai komputer pasti ada masalah masalah yang terjadi. Bila terjadi masalah, jangan terburu buru menghubungi service center. Lebih baik, kita sendiri yang memperbaiki supaya terbiasa bila kejadian tersebut terulang kembali. Tetapi, apakah kita tahu penyebab masalah masalah tersebut ?

Tujuan : In the end of this section you will be able to recognize most common symptoms and localize problem.

Tools : A computer, Philips screw driver, note.

Procedure :

Turn On computer to check its condition, turn off

1. Plug off main power cable, turn on computer ~ cannot works

2. Plug in main power cable, turn on computer ~ cannot works, turn off computer

3. Plug off keyboard cable, turn on pc, watch~report error, 2 tilt sound. Turn off pc

4. Plug off mouse cable, turn on pc, ~watch the monitor~ “normal boot,work, cursor cannot use,mouse cannot use~turn of pc

5. Plug off video calbe, watch yhe monitor~monitor blank , plug in back video cable, turn off computer

6. Open CPU case, change the power supply with faulty unit, keep case open.

7. Turn oon pc, watch CPU inside`~electric shock , cannot work.

8. Change back power supply, turn on PC watch CPU inside~ normal boot , work. Turn off pc

9. Plug off hardisk drive power supply cable, turn on pc ~boot failure : system halted

10. Plug in hardisk drive power supply cable, turn on pc ~normal boot ,work

11. Plug off memory, turn on pc, watch monitor ~ 3 tilt sound

12. Deattach CMOS battery, turn on pc, watch monitor, ~ blank/CMOS setup error, 2 sound tilt, CMOS battery low, CMOS date/time not set.

13. Close computer case.

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