APADRINAMIENTO DE NIÑOS/AS

not continually blink.

3. Install and check with Check it or XT/AT diagnostics software to check keyboard’s operation

4. Is the Keyboard detected and performed? (Table 12)

In the above table

 If all steps get “YES”, your keyboard works properly.

 If of one of the step get “NO”, test again and make sure that the keyboard cable is correctly inserted. Then also it is not worked, the keyboard dead and replace new keyboard.

Standard test criteria to detect memory (RAM)

Steps to test memory (RAM)

1. Clean the RAM by Harris brush and properly insert into first memory slot on the motherboard

2. Turn on the PC and make sure if the beep sound is not coming

3. Right click the computer, select on properties and see the RAM is mention or not

4. Is the RAM detected and performed? (Table 13)

In the above table

 If all steps get “YES”, your RAM works properly.

 If of one of the step get “NO”, test again and make sure that RAM is correctly fixed. Then also it is not worked, remove the RAM and check into another computer. If the RAM is working on another computer, your PC’s motherboard is damaged. If the RAM is not working on another computer, the RAM dead and replace new RAM.

Standard test criteria to detect processor

Steps to test processor

1. Clean the CPU socket with blower and apply context cleaner

2. Fix the processor over CPU socket and fix the heat sink fan over processor

3. Turn on the PC, run BIOS setup and see the system information 4. Looking at system information, tell is the processor detected and

performed? (Table 14)

In the above table

 If all steps get “YES”, your processor works properly.

 If of one of the step get “NO”, test again and make sure that the processor correctly fixed. Then also it is not worked, remove the processor and check into another computer’s motherboard. If the processor is working on another computer, your PC’s motherboard is damaged. If the processor is not working on another computer, the processor dead and replace new processor.

Standard test criteria to detect power supply unit

Steps to test power supply unit

1. Remove the power supply unit from the casing

2. Take a string and shortened the green wire and black wire in ATX 24/20 pin power connector

3. Take screw driver tester, give power to power supply ,using tester check with the shortened wire and make sure the power supply unit fan is working

4. Is the power supply unit detected and worked? (Table 15)

In the above table

 If all steps get “YES”, your power supply unit works properly.

 If of one of the step get “NO”, test again. Then also it is not worked, the power supply unit dead and replace new power supply unit.

Standard test criteria to detect VGA card

Steps to test VGA card

1. Fix the VGA card into AGP slot

2. Connect the monitor cable to VGA port

3. Turn on the PC, see the display is working and install the driver of VGA card

4. Right click the computer, select on manage, click on device manager and see the VGA card driver is mention or not

6. Is the VGA card detected and performed? (Table 16)

In the above table

 If all steps get “YES”, your VGA card works properly.

 If of one of the step get “NO”, test again and make sure that the VGA card is correctly fixed on AGP slot. Then also it is not worked, remove the VGA card and check into another computer’s motherboard. If the VGA card is working on another computer, your PC’s motherboard is damaged. If the VGA card is not working on another computer, the VGA card dead and replace new VGA card.

Standard test criteria to detect sound card and network card

Steps to test sound card and network card

1. Fix the sound card and network card into PCI or PCIE slot

2. Connect the speakers’ cable to sound port and connect the network line into Ethernet port.

3. Turn on the PC and install the drivers of sound card and network card 4. Right click the computer, select on manage, click on device manager

and see the sound card and network drivers are mention or not 5. Are the sound card and network card detected and worked? (Table 17)

In the above table

 If all steps get “YES”, your sound card and network card works properly.

 If of one of the step get “NO”, test again and make sure that the sound card and network card are correctly fixed on PCI or PCIE slot. Then also it is not worked, remove the sound card and network card check into another computer’s motherboard. If the sound card and network are working on another computer, your PC’s motherboard is damaged. If the sound card and network card are not working on another computer, the sound card and network card dead and replace new sound card and network card.

Standard test criteria to detect Hardware

Steps to test hardware

1. Check the drivers and cables are firmly and correctly connected 2. Check hardware devices are properly installed with driver’s software

3. Check the virus attack and remove it by using antivirus software 4. Remove the unused devices and replace it new one

5. Is the hardware detected and performed? (Table 18)

In the above table

 If all steps get “YES”, hardware works properly on your computer.

 If of one of the step get “NO”, test again and make sure that the hardware devices and cable are correctly fixed and driver’s software is installed. Then also it are not worked, the hardware devices dead and replace new hardware devices which are not worked.

Standard test criteria to detect Software

Steps to test software

1. Check the virus attack and remove by antivirus software 2. Check your software are installed properly

3. Try to re-install it again with same software cd 4. Run scan disc for your computer

5. Make sure the above process are done with windows safe mode 6. Is the software detected and worked?

(Table 19)

In the above table

 If all steps get “YES”, software works properly on your computer.

 If of one of the step get “NO”, test again and make sure that all the software are re-installed properly with windows safe mode. Then also it are not worked, the software are corrupted and re-install it properly.

Standard test criteria to detect Peripheral devices (printer, scanner, plotter and etc..)

Steps to test Peripheral devices

1. Plug the peripheral devices power cable into the appropriate place on the motherboard.

2. Turn on the PC and install the drivers software of peripheral devices 3. Right click the computer, select on manage, click on device manager

and see the peripheral devices are mention or not 4. Are the peripheral devices are detected and performed? (Table 20)

In the above table

 If all steps get “YES”, peripheral devices work properly.

 If of one of the step get “NO”, test again and make sure peripheral devices cables properly plugged and its drivers are installed. Then also it are not worked, the peripheral devices damaged and replace new peripheral devices which are damaged.

Task 4.1