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Troubleshooting part II


Computer Can not Be Burning
After pressing the power button on the computer, it will not turn on the computer. 

Solution:  
If the computer off completely, there are many causes. To that end, a check of the easiest things first.  
- Check whether the power cable from the CPU, the Monitor into electricity is still good.
- If using a stabilizer or UPS pastikandalam state of good and not damaged.  
- Check if the power switch on the CPU is still working properly or not, make sure the power cord is not broken, and see if it is installed correctly with the motherboard.  

- Check power supply well apakahmasih and provide the appropriate power or not. For this you can do with measuring devices, or if you dare to bear the risk of plug in another computer if it still turns means that there are feasible for use. 
 - Make sure the power supply in good condition, do not connect the power cord to the other devices except the motherboard already installed processor. See if the processor fan still on if not then there is damage to the processor or motherboard.  
- If the computer is on, replace the hardware one by one and then try to power. For example pairs of RAM turn on the computer, see if the computer can be lit or not. And so on, if at the time of installing hardware such as computer hard disk is not lit, then the hard disk is damaged or shorted.  
- If you still can not, bring a trusted computer technician.

 
 Eject the CD that Do Not Want Out Of CD / DVD ROM 
 
CD is inserted into the CD ROM, CD turned out to not come out. Already tested by pressing the eject button on CD ROM or by right click the drive and then eject. 

Solution: 
- Take a small wire / needle that can be inserted into the hole before the CD ROM.
- After that enter kelubang wire, press the CD ROM can be opened.  
- Remove the CD from CD ROM.

 
Printer Will not Print 
 
You want to print documents using a printer that you just install and already installed the driver. But while waiting there was no reaction from the printer. 

Solution:  
- This is caused because the printer is used not in the set as the default printer.  
- To make the printer as the printer main steps are as follows:  
- Go to Control Panel> Printers and Faxes - Select the printer to be > right click > set as default printer.  
- This configuration will make the selected printer as the default so that when Print a configuration document like this does not happen again. 




Canceling a Print command that naughty 
 
The printer does not print sudahanda mengeprint files because many files are waiting to print. Already tried to cancel the print command through the print but do not cancel any reaction occurs.
 
Solution:  
- Click Start> Run. Type service.msc 
- Appears windows service. Find Print Spooler Service> right click> Properties.  
- Appears the Print Spooler Properties window. In the Service Status select Stop. Click Apply. Click Ok.  
- Wait a few moments. - Repeat steps 1-3 again then. But on the Service Status select Start. Click Apply.  Click Ok.  
- Now you can cancel the print command through the Cancel Print.

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Rule-Based Expert System

Knowledge 

In order for intelligent machine could solve the problem so that the engine must have knowledge. Knowledge can be obtained from:  

Past experience   
 From expert (Expert)  
 From the data stored in the database (using data mining techniques)
 

Knowledge is:  
 understanding someone either in theory or practice of a domain (specific bidang2)
 Everything we know it today or apa2 who we remember today  
 Knowledge is power someone (people who have called expert)  

Expert:  
 Any person who has extensive knowledge of a domain

Questions People : 

Manager 
= What can I use?  

Technology 
= How can I implement with good? 

Researcher 

= How can I develop? 

Customer / User 

= How can this help? = Is good enough find solution problems and save money? = How constraints?


 

Expert System is:  
One branch of AI that makes widespread use of specific knowledge to solve human problems that expert level
Human Expert is: 

People who have expertise in certain fields, experts who have knowledge or special abilities that other people do not know or capable in the field has.

How to repsentasikan knowledge to make an intelligent machine or a specialist? Knowledge is transformed into a form of rule / production rule 


ex:  

We want to help aliens to cross the street where we are expert in crossing street And the knowledge we have is:  
- If traffic lights are green street action (go) 
 - If a red traffic light the action stop (stop)
 

Rule no 2 (two) parts: 
  part IF (condition) 
  THEN part (action) 

Thus, knowledge on converted / represented in the form of rule, the rule: 

  IF the traffic light is green THEN the action is go 
  IF the traffic light is red THEN the action is stop
                                                       
General syntax of a rule: 

  IF <condition>  
 THEN <action> 
Other names:  
 Condition / antecedent  
 Action / consequent 
Antecedent consists of 2 (two) parts:  
 Object 
 Value
                                                       

General syntax of a rule:  

IF <antecedent>  
THEN <consequent>  

Combination rule: AND IF <antecedent 1> <antecedent <antecedent n> 2> ... THEN <consequent>  
OR IF <antecedent 1> <antecedent <antecedent n> 2> ... THEN <consequent>
                                                       

According to Durkin, 1994, that rule can be represented in the form:  

 Relation  
 Recommendations  
 Directive 
 Strategy  
Heuristic

Example: 


ž      Relation
            IF                     the fuel tank is empty
            THEN the car is dead
ž      Recommendations
            IF                     the season is autumn  (musim gugur)
            AND     the sky is cloudy (berawan)
            AND     the forecash is drizzle (gerimis)
            THEN the advice is take an umbrella
ž      Directive
            IF                     the car is dead
            AND     the fuel tank is empty
            THEN the action is refuel the car
ž      Strategy
            IF                     the car is dead
            THEN  the action is check the duel tank;
                                    step1 is complete
            IF                     step1 is complete
            AND     the fuel tank is full
            THEN  the action is check the battery;
                                    Step2 is complete
ž      Heuristic
            IF                     the spill is liquid
            AND     the spill pH < 6
            AND     the spill smell is vinegar (cuka)
            THEN  the spill material is acetic acid (asam cuka)

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computer troubleshooting part I

Troubleshoot

Troubleshoot computer are all problems that arise from the computer caused by hardware, software, and brainware.
Hardware         = Hardware computers (CPU, monitor, keyboard, mouse, etc)
Software          = Computer Software (Operating systems, Microsoft office, Winamp, etc)
Brainware         = Computer users

1. Will not Boot With CD ROM

When you want to reinstall the operating system, you will boot from CD media. But at boot time will be done, it still can not boot from CD ROM.
Solution:

a. Make sure that the CD ROM was detected in the bios.
This can be seen in bios, if CD ROM is not detected makapastikan that the CD ROM in good condition / no damage.
If the CD ROM are detected but still will not boot from CD ROM so do the number 2.

b. Make sure that you first boot via CD ROM.
Go to the bios, the first time the computer is turned on press the Delete key, F1, F2, or F10 depending on the type of motherboard and bios are used.

c. If it still will not boot from the CD ROM drive, make sure you use a bootable CD (a CD that can boot from CD / DVD ROM), and make sure the CD is used in good condition, clean and not corrupt.


2. Put 2 Fruit Hard Disk Detected but only one fruit

Hard disks on the primary computer system must be augmented its capacity as indicated will be full.
Therefore you will add 1 piece of your hard disk anymore. But even the hard disk is not detected in the computer system.

Solution:
 
a. Make sure that your hard disk has been the main setting in the Masters and the second hard disk on the slave (if the second hard disk is a PATA hard disk.)
To configure this, you can see the configuration through a label affixed to the hard disk. Look at the jumper settings on the hard disk second utamadan jumperhard make sure the first disk in the master position and the second hard disk jumper to slave position.

b. Make sure the hard disk data cable that is used in good condition / no damage.

c. Make sure your hard disk is not damaged.



3. Stop Booting and Will not Go to the Operating System


On the USB port is still no flash disk, or external hard disk so that the process bootingtidak embedded into the operating system.

Solution:  
a. Make sure the hardware installed earlier to be released, so as not to disrupt the computer at boot time.

b. To avoid such things, then the BIOS must be set for other hardware bootingdari option is not enabled.

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