TIPS FOR THE SAFETY OF COMPUTER

                TIPS FOR THE SAFETY OF COMPUTER

TIPS FOR THE SAFETY OF COMPUTER.

Here some tips for the safety of computer. A user can get better result and performance of computer speed by acting upon these tips. Don't  turn off your computer during working position of windows.     1.Alway turn off you computer manually by clicking on start menu and select shut down. If you are not using a mouse then simply press windows key and then press "U key" 2 times. 

• 1. Before connecting new hardware i.e cd rom, ram, hard drive etc, Turn  off computer completely.

• 2. Always close Cd Rom by pressing its button, don't apply force on the gate of CD Rom.

• 3. Don't keep your computer near dinning table and also don't keep any liquid or water near your CPU. 

• 4. Keep you system in airy atmosphere. 

• 5. You can use AC in your compute room.

• 6. Don't use water room cooler in front of CPU.

• Always turn off computer manually and disconnect your computer from the AC current.

                             Desktop trick.
 

It is very interesting trick. You can apply it on your friend’s pc for joke. Your friend will be fooled whenever he tries to click any desktop icon. Follow these steps.
Copy your desktop by clicking “prtscn”.
Past it in paint program.
Save this file as JPG format.
Now open this image file and make it desktop wallpaper.
Right click on desktop, click on “arrange icon by”, now click on “hide    
desktop icon” to hide all the icons from your desktop
Now “unlock” the taskbar. Done.
Your desktop will be look like original but you can’t click on any icon.  
Try it.

                                     

   Make Bootable USB

            * If you want to install windows xp on your pc and you feel that your CD drive is not working properly or you have no any optical drive to install windows, than you  can prepare a bootable USB device for installation of windows XP, vista or  7. 

       *It is very easy and simple to make a boot able usb. Normally all notebooks have the option in the BIOS to boot from USB. Many other mother boards like intel 865, 915, 965 etc has also option to boot from USB device. So it is very simple and easy way to install XP on your computer. 

    *To make a bootable usb, first of all you will install a software "wintoflash". you can easily download this software from the web. The size of this software is approximately 17MB. 
Install it on your computer and then start this program. It will show two different paths. In first browse option you will select windows XP disk and in second browse option, select your Pen drive/USB. Click next to proceed. It will copy all files of windows xp from CD to USB. Now click finish. It is complete. 
Now you can use this USB for installation of windows. Enjoy.

PC PROBLEMS & THEIR SOLUTIONS.

                                PC PROBLEMS & THEIR SOLUTIONS.

1.       My computer’s speed is very slow.

Ans.   There are many reasons for slow speed of computer. At first Increase your RAM (random access memory). In P-4 system 256Mb ram is recommended. Your can increase up to 512 or 1gb for best result.  2^nd: Check your hard drive for physical or logical errors or bad sectors. Often Bad sector reduces the speed of computer. 3^rd: Check for virus in your computer and also remove unwanted and unnecessary files from your system. These tips will improve the speed of your computer.

2.       During installation of windows xp, setup shows a error “setup can’t copy the 

          files….) when reaches at ‘Kernal Debuger).

Ans. When you try to install XP windows and during setup at “Kernal Debuger” point you see a error, it mean that there is some problem in your system’s Random Access Memory (RAM). Replace your system’s ram and run setup again.

3.       When I start my pc, a message appears “operating system not found”

Ans.   1^st. start your pc and by pressing Dell or F2 enter into system setup and check your hard drive detection. In advance system option check for Primary or secondary drive. If your data cable and power supply connector is connected accurately with hard, then here you will see the capacity of hard drive. In this case you have lost your operating system and so install again windows. 2^nd: If you didn’t find any hard drive detection in setup, it mean that cables are not connected with hard drive. Also there could be any physical problem in your hard drive.

4.       There is not display on monitor. Beep Found.

Ans.   When you start your pc, you just hear a beep and there is no display at all. If you hear beep 2 times continuously, it mean there is some problem in your Ram and if you hear beep once after a little gape, it means your display adapter is not working. In case of display card (VGA) you can also check the connectivity of card on your mother board if you are using external card. In case of built-in, use external VGA card.

5.       When I play any 3d game, my system goes slow down.

Ans.   When a system become slow while playing a game, it means you are using low speed graphic card. Many cards are available in market. Mostly 128MB or 256MB card gives better performance for games and graphics.

6.       Video movie doesn’t play in normal speed. 

Ans.   It is also because of low speed graphic card. Replace with high speed graphic card, as a result video result will be better.

7.       When I play a song or video movie, system stops

Ans.    This problem is often caused by sound hardware. When we play a movie then graphics and sound both work at same time. So if any hardware is not functioning well then your system will become hang.

8.       How can I improve Windows XP speed?

Ans.   There are some tips for improving XP speed. Clean your desktop and delete all unnecessary & unwanted file from your desktop. Run disk clean up to remove unwanted files from your system, Run disk Defragmenter to increase more space for windows to work fast. click start, run, type. "prefetch" and enter. A new window will appear, remove all files shown there. Again click start, run, type "%temp%" and press enter. remove all files shown in the new window. By applying these setting you can increase speed of your computer.  

HIDE FULL DRIVE PARTITION.

HIDE FULL DRIVE PARTITION.

Hide full drive partition.

It is often seen that many people want to secure their data from other users or their friends. For this purpose they use different methods to hide their data but all these tricks are not reliable. BUT now I am telling you a secure method to hide full drive. You can put all your data in a drive and after applying this trick you will be able to hide full drive. To learn this trick, follow these steps.

• First of all logged into administrative account.
• Click on start, open run and type “CMD” and press enter.
• Type “diskpart” and press enter.
• After few seconds diskpart utility will appear.
• Now type “list volume” to show list of volume and press enter.
• Select the Drive or volume that you want to hide. If you have four drives C,D,E,F, and you want to hid “D” drive, then type “select volume 1”  and press enter.
• Now in the next step type "remove letter D" to hide this drive.
• Close CMD and open My computer to check…drive D is not there…
• Now if you want to show the hidden drive then in step 7 type “assign drive d” and check “My computer”. Drive is back now.
• Excellent trick, try it now.

INCREASE SPEED OF HARD DISK

It is common observation that some times our computer slows down due to low performance of hard drive. This problem happens due to the slow performance or poor speed of hard drive. When we say about poor performance, actually we mean, poor speed of reading/writing of hard drive. This problem can be solved by increasing the hard drive speed. Follow these steps to solve your problem.

Click Start menu and select run.

Now type (sysedit.exe) in run and press enter.

System configuration editor will appear.

Here you can see some multiple windows but you will select (system.ini).

This window contains a line (386enh)

Now after this line type (irq14=4096)

Now close this window and save it.

Reboot your computer now.

You will surely feel better performance of your computer.

Enjoy.

HOW TO SOLVE PROBLEM, SERVER SECURITY CERTIFICATE IS NOT YET VALID

     HOW TO SOLVE PROBLEM, SERVER SECURITY CERTIFICATE IS NOT YET VALID

Some time you install fresh Operating system in your computer and then you install Browser, google chrome. After installation you try to open gmail, yahoo, or facebook in google chrome but you do not see your required page and see a message “Server Security Certificate is not yet valid”.  Then you also try to open the page by clicking on “continue anyway” but the result is same.

Infect this problem occurs due to incorrect date and time of your computer. By synchronizing your system clock you can solve this problem.

I will tell you the best solution of this problem. Just follow these steps and after completion you will be able to login to facebook, yahoo, gmail etc.

Click on Start Menu and then control penal. 

Open Date/Time setting 

Adjust correct date and time according to your region. 

 Open "Internet Time Zone" tab.  

 Click on "Update Now" button. After clicking on button, It will start synchronzing your internet server timing. 

After 7-8 seconds you will see a message, "The time has been successfully synchronized with time.windows.com on 07-07-2013 at 5:09PM. 

Done 

Now try to open facebook, yahoo or gmail in google chrome again. Surely you will login successfully.

DIFFERENCE BETWEEN TFT AND LCD.

             DIFFERENCE BETWEEN TFT AND LCD.

DIFFERENCE BETWEEN TFT AND LCD.

This is a common question when have been asked about several times by many people. Every body wants to know that what is the difference between a LCD and TFT. So i figured out, i should answer this question for anyone who has doubts.

LCD stands for Liquid Crystal Display... and 

TFT stands for Thin Film Transistor.

TFT is not really different from LCD. It comes from the family of LCD technology. We can say that it is a modern version of the LCD Technology. A TFT provide a well improved image quality. 

There are two typs of display quality. 1st one is Matty and 2nd is Grossy. Matty display is called LCD and Grossy display is called as TFT. LCD and TFT consumes less power energy as compared to CRT (Cathode ray tube).

Now a days TFT has been used for mobile phone devices, projectors, nevigation systems as well as TVs and computer monitors.

Get Back your recylebin

                          Get Back your recylebin

Recycle Bin is used to keep unnecessary files or folder. Some of my blog visitors asked about this problem that how they can get back their recycle bin after deleting it on windows XP.

You can use this method to get back recycle bin. 

Important Note.

For this purpose you will have to modify the Registry. It is strongly recommended that if you have some basic knowledge of registry then you can try it. Otherwise some serious problems might occur if you modify the Registry incorrectly. Now let’s try it. Follow these steps carefully to edit the registry to make the Recycle Bin icon reappear on your desktop.

  i.  Click START and then click RUN

 ii.  Now type “ regedit” and then click OK.

iii. Locate the following registry key

HKEY_LOCAL_MACHINE\SOFTWARE\Microsfot\windows\Current

version\Explorer\Desktop\namespace 

iv. Right click the registry key that you located in number(iii), Point to new and then click key.

v.  Now Type {645FF040-5081-101B-9F08-00AA002F954E} and press Enter.

vi.  After this click the new {645FF040-5081-101B-9F08-00AA002F954E} key.

vii. In the right, use your mouse to double click the default entry.

viii.   You will see a “Edit string dialog box”. Type Recycle Bin in the value data box and finally click OK.

ix.   Now close your registry Editor and check your desktop.

x.    You will see recycle Bin icon on your desktop wall.

Some Important Shortcut Keys

                      Some Important Shortcut Keys

If you feel that your mouse is not working properly, than you can use these short keys to operate without mouse. Here are some common short keys.

Alt + Space + R
This short key reduces the size of window

Alt + Space + M
You can move any small size window to any corner of your desktop.Use arrows keys to move left, right, top or bottom and press Enter.

Alt + Space + X
You can maximize  any small window by pressing this short key.

Alt+space+N
To minimize any window use this short key.

Alt + Tab.
Maximize any minimized window.  Moreover if you are using two or more than two programs then you can also use this short key to select your required programe.

Win+U+U
If you want to shut down your computer without mouse then press window key and then press “U” key 2 times.

Win + U + R
Use these keys to restart your Computer.

You can change the name of any folder without mouse.

Simply highlight required folder through arrows key and press “F2”. Write the name of folder and press Enter.

Open New tab in Google chrome.

You can easily open a new tab in google chrome by pressing Alt+T

Similarly you can close tab by pressing Alt+W