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Mambo Muhimu kujuwa wewe Mtumiaji wa Computer

Discussion in 'Tech, Gadgets & Science Forum' started by MziziMkavu, Jul 9, 2010.

  1. MziziMkavu

    MziziMkavu JF-Expert Member

    Jul 9, 2010
    Joined: Feb 3, 2009
    Messages: 39,620
    Likes Received: 4,613
    Trophy Points: 280
    How to Open Ports or Allow Programs to Run with SP2's Firewall?

    1. Click on Start / Run 2. Enter in firewall.cpl 3. Click on the Exceptions tab

    [​IMG] Adding a Port for Internet Access:

    - Click on the Add Port button
    - Name it whatever you want
    - Enter in the ports you want to open
    [​IMG] Adding a Port for Internet Access:

    - Click on Add Program... button
    - A list of all installed programs will be displayed
    - Highlight the one you want to include for Internet access
    - Click on the OK button

    Autoexec.nt or Config.nt Errors

    If you are getting errors similar to - The system file is not suitable for running MS-DOS and Microsoft Windows applications. Choose 'Close' to terminate the application.
    Try copying the file from \windows\repair directory to the one that is in the \windows\system32 directory.

    How to enable Guest Only Network Access?

    If you try and connect to an XP computer and are shown a logins screen with only the computer name/guest, You may need to change one of the Local Security Policies:

    Got to Control Panel - Administrative Tools
    Go to Local Policies - Security Options
    Check the Network access: Sharing and security model for local accounts
    Set it to Classic - local users authenticate as themselves

    How to Hide a XP Computer from Network Neighborhood?

    If you want to share files from a XP computer, yet want to remove it from showing up in the Network Neighborhood, Run net config server /hidden: yes

    How to Share Multiple Folders?

    If you need to share multiple folders, running the program SHRPUBW.EXE will bring up a simple dialog box to let you:

    • Browse to the folder you want to share • Enter in a Share name • Enter in a Share description • Set permissions (Several choices are available) • Restart the process from within the same program Go to top

    How to Restore the Desktop Icon to the Quick launch Bar?

    If you mistakenly deleted the icon for the Desktop on the Quick launch toolbar

    Go to C:\Documents and Settings\user_name\Application Data\Microsoft\Internet Explorer\Quick Launch
    (where user_name is replaced by your login name)

    Create a Text file called Show Desktop.SCF with the following contents:
    Icon File=explorer.exe,3
    Command=Toggle Desktop Go to top

    How to enable Network Access after Norton Anti-Virus is installed?

    Sometimes you can't access a WinXP computer after installing Norton Anti-Virus.
    There might be a variety of errors at the other computer depending on the operating system. On the computer running Windows XP, in the Event Viewer / System log, there will be the following error:

    The server's configuration parameter "irpstacksize" is too small for the server to use a local device. • Start Regedit • Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters • Edit the IRPStackSize • Give it a value of 15 • Reboot the computer

    How to Clean the Prefetch Directory?

    Windows XP has a new feature called Prefetch. This keeps a shortcut to recently used programs. However it can fill up with old and obsolete programs.

    To clean the directory:
    • Start / Run / Prefetch • Press Ctrl-A to highlight all the shortcuts • Delete them Go to top

    Not Displaying Logon, Logoff, Startup and Shutdown Status Messages

    To turn these off:

    • Start Regedit • Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system • If it is not already there, create a DWORD value named DisableStatusMessages • Give it a value of 1

    How to Bring Up the Shutdown Dialog Box?

    Create a new txt file somewhere on your system, open it and put in this one line:

    (new ActiveXObject("Shell.Application")).ShutdownWindow s();

    Save and Close the file. Change the extension to js and you’ve got it.

    You can make a shortcut to that file to make it easy to shut down your system.

    No Poweroff at Shutdown?

    If your computer does not turn off the power when doing a shutdown, you may need to edit the registry. I have all the correct BIOS and Power settings and still needed to do this.

    • Start Regedit • Go to HKEY_CURRENT_USER\Control Panel\Desktop • Edit the key PowerOffActive and give it a value of 1 • You can do the same in HKEY_USERS\.DEFAULT\Control Panel\Desktop

    How to Disable Explorer Thumbnail View?

    If you want disable the Explorer's ability to show the Thumbnail View ,

    • Start Regedit • Go to HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Advanced \Change ClassicViewState to 1 • Go to top

    How to Disable Shared Documents?

    To disable the Shared Documents folder that shows up on the network
    Start Regedit
    Go to HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer \
    Create a new DWORD Value
    Give it the name NoSharedDocuments
    Give it a value of 1
    Log off or reboot

    How to Remove Thumbs.db Files?

    When viewing a folder with the Thumbnail view, WindowsXP creates a thumbs.db file.
    This is a cache of the current pictures in that directory.
    If you want to turn this feature off and save a little disk space
    Start the Windows Explorer
    Go to Tools / Folder Options / View
    In the first section under Files and Folders, check Do not cache thumbnails
    Now you can search for the thumbs.db file on your computer and remove them. No more should be created.

    How to Enable / Disable the Task Manager?

    • Start Regedit • Go to HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Policies\System • Create the Dword value DisableTaskMgr • Give it a value of 0 to enable it • Give it a value of 1 to disable it Go to top

    How to clear the Page File on Shutdown

    Another way to set the computer to clear the pagefile without directly editing the registry is:

    • Click on the Start button • Go to the Control Panel • Administrative Tools • Local Security Policy • Local Policies • Click on Security Options • Right hand menu - right click on "Shutdown: Clear Virtual Memory Pagefile" • Select "Enable" • Reboot

    If you want to clear the page file on each shutdown:

    • Start Regedit • Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\SessionManager\MemoryManagement\ClearPageFileAtShutdown • Set the value to 1

    How to change Drive Letters?

    If you want to change the letters assigned to your fixed or removable drives:

    • Right Click on My Computer • Select Manage • Select Disk Management • For a Fixed Disk:

    - Select it - Right click - Select Change Drive Letter and Path - Click on the Edit button - Enter in the letter you want to use • For a Removable Disk:

    - In the lower, right hand panel, right click on the Disk or CD ROM # - Select Change Drive Letter and Path - Click on the Edit button - Enter in the letter you want to use

    How to decrease Boot Time?

    Microsoft has made available a program to analyze and decrease the time it takes to boot to Windows XP. The program is called BootVis

    • Uncompress the file. • Run BOOTVIS.EXE • For a starting point, run Trace / Next Boot + Driver Delays (This will reboot your computer and provide a benchmark • After the reboot, BootVis will take a minute or two to show graphs of your system startup. Note: how much time it takes for your system to load (click on the red vertical line)

    • Then run Trace / Optimize System • Re-Run the Next Boot + Drive Delays Note: how much the time has decreased. (Mine went from approximately 39 to 30 seconds.)

    How to Disable Hibernation?

    If you don't want to use up the disk space taken by Hibernation, or don't need to use it at all, you can easily disable it.

    • Open up the Control Panel / Power Options icon • Click on the Hibernation icon • Uncheck Enable Hibernation

    Windows XP Command Line Utilities

    While there are a lot of command line utilities in Windows XP, here are some that I have been using lately.

    • bootcfg - Configures, queries, or changes Boot.ini file settings. • driverquery - Displays a list of all installed device drivers and their properties. • getmac - Returns the media access control (MAC) address and list of network protocols associated with each address for all network cards in each computer • gpresult - Displays Group Policy settings and Resultant Set of Policy (RSOP) for a user or a computer • netsh - You can use commands in the Netsh Interface IP context to configure the TCP/IP protocol • schtasks - Schedules commands and programs to run periodically or at a specific time • systeminfo - Displays detailed configuration information about a computer and its operating system

    Common Command Console Utilities

    Windows XP comes with quite a few console utilities you can easily run from the command line:

    • Computer Management - compmgmt.msc • Disk Managment - diskmgmt.msc • Device Manager - devmgmt.msc • Disk Defrag - dfrg.msc • Event Viewer - eventvwr.msc • Shared Folders - fsmgmt.msc • Group Policies - gpedit.msc • Local Users and Groups - lusrmgr.msc • Performance Monitor - perfmon.msc • Resultant Set of Policies - rsop.msc • Local Security Settings - secpol.msc • Services - services.msc • Component Services - comexp.msc

    How to Change Programs That Start Automatically?

    Windows XP has a similar program, MSCONFIG, which was available in Windows98.

    This allows you to view and change what programs are automatically started each time you log in. The new version also allows you to view and edit the boot.ini file (as well as check for errors and use several advanced switches)
  2. MziziMkavu

    MziziMkavu JF-Expert Member

    Jul 9, 2010
    Joined: Feb 3, 2009
    Messages: 39,620
    Likes Received: 4,613
    Trophy Points: 280

    Computer Won't Power Up

    • Make sure that the PC's power cable is plugged firmly into a wall socket or power strip and that the power strip is on.
    • Try plugging the PC or the power strip into another wall socket. • Ensure that the power cable is firmly connected to the PC's power-supply outlet. • Check to see that the power supply is switched to the "on" position. • Make sure that the power supply is switched to the voltage appropriate to your region. • Attach a working power cable to the PC's power supply and plug it in. • Unplug all external devices from the PC -- including a CD drive or digital camera -- except the monitor. If the computer powers on without the devices, add the peripherals back in one at a time until you can identify the problem device.

    Computer Power’s Up But Display Is Blank

    • Ensure that your computer can boot normally and that all of the usual power lights are on.
    • Make sure that the monitor power cable is plugged firmly into a working wall socket or power strip and that the power strip is on.
    • Try plugging the PC or power strip into another wall socket.
    • Verify that the monitor's power button is "on".
    • Make sure the monitor's brightness and contrast controls are properly adjusted.
    • Check to see that the monitor VGA cable is plugged firmly into the back of the display and that the pinned end is tightly screwed into the computer's video output on the back of the case.

    Computer Won't Boot from Hard Drive (Doesn't Get to Windows Splash Screen)
    • Make sure that there is no media in your floppy or CD drive.
    • Listen to make sure your hard drive is spinning.
    • Remove all external drives or devices and try restarting the computer.
    • If you receive a series of beeps or error messages, write them down, as they could be instrumental in diagnosing your problem. Beep codes vary by manufacturer, so consult your BIOS documentation for more in-depth info on what those beeps mean.
    • Keep an eye out for any built-in diagnostic tools; you might be able to find an error by using these.
    • If no diagnostic tools exist, go to the BIOS's hard drive section and make sure it's configured as "Auto."
    • If the BIOS has an auto detect feature, run it to make sure that it can actually detect your hard drive.
    • If your BIOS has an optimized default option, try loading it and rebooting.
    • If the BIOS has a failsafe default option, try loading it and rebooting.

    Windows Won't Boot (After BIOS POST Has Been Completed) or Crashes

    • Make sure that there isn't a disk in your floppy or CD drive.
    • Remove external drives or devices.
    • Enter the Windows Advanced Options menu by pressing the F8 key during the BIOS's Power-On Self Test (POST). Select the option for "Last Known Good Configuration." (Note: if this works, you will lose any recently installed software or newly created files.)
    • Enter the Windows Advanced Options menu, boot into Safe Mode with networking, and perform a system restore.
    • While in Safe Mode run your antivirus and anti-spyware programs. Remove any detected threats.
    • If no diagnostic tools exist, go to the BIOS's hard drive section and make sure it's configured as "Auto."
    • If the BIOS has an auto detect feature, run it to make sure that it can actually detect your hard drive.
    • If your BIOS has an optimized default option, try loading it and rebooting.
    • If the BIOS has a failsafe default option, try loading it and rebooting.

    Hints and tips


    One should always try to keep their monitor as clean as possible. Try to prevent fingers and other objects from coming into contact with your computer screen. When it does come time to clean dust and smudges from your monitor, a gentle cloth and a gentler touch is necessary. Don’t touch the screen!!

    How to clean your monitor screen: Those who work in an office won’t be able to keep others’ fingers off their monitor forever, and even if they do, said monitors will still collect dust and need to be cleaned. Before you start wiping away, here are a few important guidelines:

    1. Do not use any sort of cloth with a rough texture that will scratch the screen. This includes paper towels.

    2. Do not use harsh cleaning fluids.

    3. Be extra careful of sharp fingernails, especially when cleaning an LCD screen

    With a smooth cotton cloth, gently wipe your screen free of dust, fingerprints and other smudges. Take extra care with flat screen monitors. If you are cleaning an LCD monitor, or any other type of flat screen monitor, you must take extra steps to avoid damaging the screen. These types of monitors are very fragile (not to mention expensive), and their screens are soft to the touch.

    • Use only a soft cotton cloth to wipe the monitor — nothing with a rough texture that could potentially scratch the screen.
    • Press lightly and gently. Do not apply too much pressure to the screen. • Avoid direct contact between your hands and the screen. Especially watch your fingernails. Any sort of sharp edge can damage a flat screen monitor.
    Ultimately, you should use common sense when you clean your computer screen. Any computer part is a fragile and potentially expensive piece of equipment. Think twice about the materials and methods you are using to clean you screen, and when in doubt, just follow the directions above.

    Protecting your PC from overheating

    In this day and age, most PC’s will beep as a warning if the CPU (the processor) gets too hot, or if any internal fans fail. In addition to this there are some simple steps to ensure that your PC does not generate more internal heat than it is supposed to.

    These are:

    1. If your PC is in a room which is permanently air conditioned, when the PC is being used then you don’t need to read the remaining steps.

    2. Do not use standby in the summer, give your PC a chance to cool down, when you know you will not be using your PC for a long time (eg. 3 hours and over). The CPU, the main generator of internal heat, will still continue to function in standby mode, thus your PC does not get a chance to cool down.

    3. Make sure that nothing is covering the vents (front, back or side) of the PC. The vents exist to help the internal heat out of the PC.

    4. Similarly give your PC enough of room so that the internal heat which escapes through the vents, does not stay around, preventing heat from escaping.

    5. Do not place your PC in a spot where it comes in contact with direct sunlight, this is as good as putting your PC in an oven.

    Keyboard care

    Shut down your computer, IF necessary hold it upside down to release any debris from in between the keys (pressing the keys is a good way to release it). If you have a can of compressed air then use it to blow any debris from around keys, now take one of the cotton buds and use the cotton bud to clean the sides of the keys.

    After cleaning the sides of the keys
    take your lint free cloth and give the surface of the keyboard a good wipe over using the cloth to trace the contours of the keys.

    You should now have a nice clean keyboard.

    Operating Systems and Installation

    Windows XP:

    [​IMG]Security update

    [​IMG]Solution center

    Windows XP:

    [​IMG]Help and how to
  3. MziziMkavu

    MziziMkavu JF-Expert Member

    Jul 10, 2010
    Joined: Feb 3, 2009
    Messages: 39,620
    Likes Received: 4,613
    Trophy Points: 280
    Ndugu yangu Kuna aina nyingi ya programu za kufanya recovery angalia Tovuti hizi

    www.stellarinfo. com

    www.recovermyfiles. com

    www.runtime. org

    Kwa ushauri mzuri unapofanya shuguli hii kwanza hakikisha HDD yako haina matatizo mengine yoyote ambayo inaweza kusababisha programu hiyo isiweze kufanya kazi vile inavyotakiwa

    Pili unatakiwa uwe na sehemu nyingine ya kuhifadhi Data ambazo una recover toka sehemu hiyo ili kukwepa kujaza nafasi na kujirudia rudia kwa DATA hizo .

    Tatu ni vizuri ukafunga hiyo HDD nje ili uweze kuscan DATA kutumia komputa nyingine iliyokuwa na windows XP hii itaepusha tatizo lako la operating system kama ulivyosema hapo juu .

    Kama ukifunga sehemu nyingine inaweza kuleta tabu kidogo kama hizo data ulizifunga kwa njia fulani labda ulitumia programu zingine kuweka password au kama ulitumia njia zozote kuzilinda .

    Shuguli hii sio lazima ifanikiwe kwa asilimia 100 kuna baadhi ya data zinaweza kuleta tabu mfano vitu kama michoro , muziki au video lakini inategemea sana ni aina gani ya programu ulitumia

    Nakutakia mafanikio