SOP

UPGRADE POWER SUPPLY

1)      Purpose   :

To make subtitution or upgrade power supply in the personal computer correctly.

2)      Scope      :

This procedure is applied for the technician of personal computer.

3)      Key words    :

Upgrade, Power Supply  

4)      Instructions  : 

v  The technician has followed the procedure

v  Wear overall ( wear pack ) and pray before do activity

v  Prepare the tools and material

v  Make sure the CPU not connected with current electric

v  Loosen the screw on the cassing by scroll driver

v  Open the cassing CPU

v  Loosen the screw on the power supply

v  Unplug power cable from the motherboard

v  Take the power supply

v  Subtitution or upgrade powersupply and plugpower cable in the motherboard

v  Fasten the screwon the power supply

v  Close the cassing CPU

v  Next, fasten the screw on the cassing CPU

v  And than, Try out the CPU

v  Finally, CPU can to do it.

5)      Monitoring   :

The technician  has followed the procedure

6)      Corrective Action  :

If the power supply can not do it, check power cable in the motherbaord. Make sure the power cable plug correctly.

7)      Verification and Record Keeping  :

The technician should record day, date, tools,and name user. The record must be kept 1 year.