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Notebooks & Personal Computers Notebook, Personal Computer - repair, disassemble guides, drivers, bios pasword, and problems with pc.

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Old 12-22-2008, 08:31   #1 (permalink)
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Ask your Questions About OS XP,Linux,Win98


Ask your Questions About OS XP,Linux,Win98 i will appreciate giving you answers i will wait for your questions ask please


You can ask Any Question which is in your mind
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Old 12-22-2008, 08:36   #2 (permalink)
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Recover a Corrupted System File


If an essential Windows file gets whacked by a virus or otherwise corrupted, restore it from the Windows CD. Search the CD for the filename, replacing the last character with an underscore; for example, Notepad.ex_. If it's found, open a command prompt and enter the command EXPAND, followed by the full pathname of the file and of the desired destination: EXPAND D:\SETUP\NOTEPAD.EX_ C:\Windows\NOTEPAD.EXE. If either pathname contains any spaces, surround it with double quotes.

If the file isn't found, search on the unmodified filename. It will probably be inside a CAB file, which Win XP treats as a folder. Simply right-drag and copy the file to the desired location. In other Windows platforms, search for a file matching *.cab that contains the filename. When the search is done, open a command prompt and enter EXTRACT /L followed by the desired location, the full pathname of the CAB file, and the desired filename; for example: EXTRACT /L C:\Windows D:\I386\Driver.cab Notepad.exe. Again, if the destination or CAB file pathname contains spaces, surround it with double quotes.
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Old 12-22-2008, 08:43   #3 (permalink)
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10 reasons why PCs crash U must Know

Fatal error: the system has become unstable or is busy," it says. "Enter to return to Windows or press Control-Alt-Delete to restart your computer. If you do this you will lose any unsaved information in all open applications."

You have just been struck by the Blue Screen of Death. Anyone who uses Mcft Windows will be familiar with this. What can you do? More importantly, how can you prevent it happening?

1 Hardware conflict

The number one reason why Windows crashes is hardware conflict. Each hardware device communicates to other devices through an interrupt request channel (IRQ). These are supposed to be unique for each device.

For example, a printer usually connects internally on IRQ 7. The keyboard usually uses IRQ 1 and the floppy disk drive IRQ 6. Each device will try to hog a single IRQ for itself.

If there are a lot of devices, or if they are not installed properly, two of them may end up sharing the same IRQ number. When the user tries to use both devices at the same time, a crash can happen. The way to check if your computer has a hardware conflict is through the following route:

* Start-Settings-Control Panel-System-Device Manager.

Often if a device has a problem a yellow '!' appears next to its description in the Device Manager. Highlight Computer (in the Device Manager) and press Properties to see the IRQ numbers used by your computer. If the IRQ number appears twice, two devices may be using it.

Sometimes a device might share an IRQ with something described as 'IRQ holder for PCI steering'. This can be ignored. The best way to fix this problem is to remove the problem device and reinstall it.

Sometimes you may have to find more recent drivers on the internet to make the device function properly. A good resource is www.driverguide.com. If the device is a soundcard, or a modem, it can often be fixed by moving it to a different slot on the motherboard (be careful about opening your computer, as you may void the warranty).

When working inside a computer you should switch it off, unplug the mains lead and touch an unpainted metal surface to discharge any static electricity.

To be fair to Mcft, the problem with IRQ numbers is not of its making. It is a legacy problem going back to the first PC designs using the IBM 8086 chip. Initially there were only eight IRQs. Today there are 16 IRQs in a PC. It is easy to run out of them. There are plans to increase the number of IRQs in future designs.

2 Bad Ram

Ram (random-access memory) problems might bring on the blue screen of death with a message saying Fatal Exception Error. A fatal error indicates a serious hardware problem. Sometimes it may mean a part is damaged and will need replacing.

But a fatal error caused by Ram might be caused by a mismatch of chips. For example, mixing 70-nanosecond (70ns) Ram with 60ns Ram will usually force the computer to run all the Ram at the slower speed. This will often crash the machine if the Ram is overworked.

One way around this problem is to enter the BIOS settings and increase the wait state of the Ram. This can make it more stable. Another way to troubleshoot a suspected Ram problem is to rearrange the Ram chips on the motherboard, or take some of them out. Then try to repeat the circumstances that caused the crash. When handling Ram try not to touch the gold connections, as they can be easily damaged.

Parity error messages also refer to Ram. Modern Ram chips are either parity (ECC) or non parity (non-ECC). It is best not to mix the two types, as this can be a cause of trouble.

EMM386 error messages refer to memory problems but may not be connected to bad Ram. This may be due to free memory problems often linked to old Dos-based programmes.

3 BIOS settings

Every motherboard is supplied with a range of chipset settings that are decided in the factory. A common way to access these settings is to press the F2 or delete button during the first few seconds of a boot-up.

Once inside the BIOS, great care should be taken. It is a good idea to write down on a piece of paper all the settings that appear on the screen. That way, if you change something and the computer becomes more unstable, you will know what settings to revert to.

A common BIOS error concerns the CAS latency. This refers to the Ram. Older EDO (extended data out) Ram has a CAS latency of 3. Newer SDRam has a CAS latency of 2. Setting the wrong figure can cause the Ram to lock up and freeze the computer's display.

Mcft Windows is better at allocating IRQ numbers than any BIOS. If possible set the IRQ numbers to Auto in the BIOS. This will allow Windows to allocate the IRQ numbers (make sure the BIOS setting for Plug and Play OS is switched to 'yes' to allow Windows to do this.).

4 Hard disk drives

After a few weeks, the information on a hard disk drive starts to become piecemeal or fragmented. It is a good idea to defragment the hard disk every week or so, to prevent the disk from causing a screen freeze. Go to

* Start-Programs-Accessories-System Tools-Disk Defragmenter

This will start the procedure. You will be unable to write data to the hard drive (to save it) while the disk is defragmenting, so it is a good idea to schedule the procedure for a period of inactivity using the Task Scheduler.

The Task Scheduler should be one of the small icons on the bottom right of the Windows opening page (the desktop).

Some lockups and screen freezes caused by hard disk problems can be solved by reducing the read-ahead optimisation. This can be adjusted by going to

* Start-Settings-Control Panel-System Icon-Performance-File System-Hard Disk.

Hard disks will slow down and crash if they are too full. Do some housekeeping on your hard drive every few months and free some space on it. Open the Windows folder on the C drive and find the Temporary Internet Files folder. Deleting the contents (not the folder) can free a lot of space.

Empty the Recycle Bin every week to free more space. Hard disk drives should be scanned every week for errors or bad sectors. Go to

* Start-Programs-Accessories-System Tools-ScanDisk

Otherwise assign the Task Scheduler to perform this operation at night when the computer is not in use.

5 Fatal OE exceptions and VXD errors

Fatal OE exception errors and VXD errors are often caused by video card problems.

These can often be resolved easily by reducing the resolution of the video display. Go to

* Start-Settings-Control Panel-Display-Settings

Here you should slide the screen area bar to the left. Take a look at the colour settings on the left of that window. For most desktops, high colour 16-bit depth is adequate.

If the screen freezes or you experience system lockups it might be due to the video card. Make sure it does not have a hardware conflict. Go to

* Start-Settings-Control Panel-System-Device Manager

Here, select the + beside Display Adapter. A line of text describing your video card should appear. Select it (make it blue) and press properties. Then select Resources and select each line in the window. Look for a message that says No Conflicts.

If you have video card hardware conflict, you will see it here. Be careful at this point and make a note of everything you do in case you make things worse.

The way to resolve a hardware conflict is to uncheck the Use Automatic Settings box and hit the Change Settings button. You are searching for a setting that will display a No Conflicts message.

Another useful way to resolve video problems is to go to

* Start-Settings-Control Panel-System-Performance-Graphics

Here you should move the Hardware Acceleration slider to the left. As ever, the most common cause of problems relating to graphics cards is old or faulty drivers (a driver is a small piece of software used by a computer to communicate with a device).

Look up your video card's manufacturer on the internet and search for the most recent drivers for it.

6 Viruses

Often the first sign of a virus infection is instability. Some viruses erase the boot sector of a hard drive, making it impossible to start. This is why it is a good idea to create a Windows start-up disk. Go to

* Start-Settings-Control Panel-Add/Remove Programs

Here, look for the Start Up Disk tab. Virus protection requires constant vigilance.

A virus scanner requires a list of virus signatures in order to be able to identify viruses. These signatures are stored in a DAT file. DAT files should be updated weekly from the website of your antivirus software manufacturer.

An excellent antivirus programme is McAfee VirusScan by Network Associates ( www.nai.com). Another is Norton AntiVirus 2000, made by Symantec ( www.symantec.com).

7 Printers

The action of sending a document to print creates a bigger file, often called a postscript file.

Printers have only a small amount of memory, called a buffer. This can be easily overloaded. Printing a document also uses a considerable amount of CPU power. This will also slow down the computer's performance.

If the printer is trying to print unusual characters, these might not be recognised, and can crash the computer. Sometimes printers will not recover from a crash because of confusion in the buffer. A good way to clear the buffer is to unplug the printer for ten seconds. Booting up from a powerless state, also called a cold boot, will restore the printer's default settings and you may be able to carry on.

8 Software

A common cause of computer crash is faulty or badly-installed software. Often the problem can be cured by uninstalling the software and then reinstalling it. Use Norton Uninstall or Uninstall Shield to remove an application from your system properly. This will also remove references to the programme in the System Registry and leaves the way clear for a completely fresh copy.

The System Registry can be corrupted by old references to obsolete software that you thought was uninstalled. Use Reg Cleaner by Jouni Vuorio to clean up the System Registry and remove obsolete entries. It works on Windows 95, Windows 98, Windows 98 SE (Second Edition), Windows Millennium Edition (ME), NT4 and Windows 2000.

Read the instructions and use it carefully so you don't do permanent damage to the Registry. If the Registry is damaged you will have to reinstall your operating system. Reg Cleaner can be obtained from www.jv16.org

Often a Windows problem can be resolved by entering Safe Mode. This can be done during start-up. When you see the message "Starting Windows" press F4. This should take you into Safe Mode.

Safe Mode loads a minimum of drivers. It allows you to find and fix problems that prevent Windows from loading properly.

Sometimes installing Windows is difficult because of unsuitable BIOS settings. If you keep getting SUWIN error messages (Windows setup) during the Windows installation, then try entering the BIOS and disabling the CPU internal cache. Try to disable the Level 2 (L2) cache if that doesn't work.

Remember to restore all the BIOS settings back to their former settings following installation.

9 Overheating

Central processing units (CPUs) are usually equipped with fans to keep them cool. If the fan fails or if the CPU gets old it may start to overheat and generate a particular kind of error called a kernel error. This is a common problem in chips that have been overclocked to operate at higher speeds than they are supposed to.

One remedy is to get a bigger better fan and install it on top of the CPU. Specialist cooling fans/heatsinks are available from www.computernerd.com or www.coolit.com

CPU problems can often be fixed by disabling the CPU internal cache in the BIOS. This will make the machine run more slowly, but it should also be more stable.

10 Power supply problems

With all the new construction going on around the country the steady supply of electricity has become disrupted. A power surge or spike can crash a computer as easily as a power cut.

If this has become a nuisance for you then consider buying a uninterrupted power supply (UPS). This will give you a clean power supply when there is electricity, and it will give you a few minutes to perform a controlled shutdown in case of a power cut.

It is a good investment if your data are critical, because a power cut will cause any unsaved data to be lost.
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Old 12-23-2008, 08:11   #4 (permalink)
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that is strange no one has even a question and at least you can ask for any tip and tricks
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Old 12-24-2008, 08:17   #5 (permalink)
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are you sick of seeing the same tips again and again when you first logon to Windows? Now you can change them to whatever you want, whether it's quotes, jokes or a to-do list, anything is possible.

Open your registry and find the key below.

HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\ CurrentVersion\ Explorer\ Tips

Create a new string valued named by incrementing the existing value names and set it to the required tip text.
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Old 12-24-2008, 09:02   #6 (permalink)
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First of all, this tweak only apply to those who only have one HDD on their primary IDE channel (nothing else on device 0 or 1) and a CD-ROM and/or DVD-ROM on the secondary IDE channel. Each time you boot Windows XP, there's an updated file called NTOSBOOT-*.pf who appears in your prefetch directory (%SystemRoot%Prefetch) and there's no need to erease any other files as the new prefetch option in XP really improves loading time of installed programs. We only want WindowsXP to boot faster and not decrease its performance. Thanks to Rod Cahoon (for the prefetch automation process...with a minor change of mine) and Zeb for the IDE Channel tweak as those two tricks, coupled together with a little modification, result in an EXTREMELY fast bootup:

1. Open notepad.exe, type "del c:windowsprefetch tosboot-*.* /q" (without the quotes) & save as "ntosboot.bat" in c:
2. From the Start menu, select "Run..." & type "gpedit.msc".
3. Double click "Windows Settings" under "Computer Configuration" and double click again on "Shutdown" in the right window.
4. In the new window, click "add", "Browse", locate your "ntosboot.bat" file & click "Open".
5. Click "OK", "Apply" & "OK" once again to exit.
6. From the Start menu, select "Run..." & type "devmgmt.msc".
7. Double click on "IDE ATA/ATAPI controllers"
8. Right click on "Primary IDE Channel" and select "Properties".
9. Select the "Advanced Settings" tab then on the device 0 or 1 that doesn't have 'device type' greyed out select 'none' instead of 'autodetect' & click "OK".
10. Right click on "Secondary IDE channel", select "Properties" and repeat step 9.
11. Reboot your computer.

WindowsXP should now boot REALLY faster.
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Old 12-24-2008, 14:44   #7 (permalink)
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how to delete the following file without using any external program/software.

C:\Documents and Settings\Ahsan\Cookies\index.dat

??
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The Following User Says Thank You to ..::Ahsan::.. For This Useful Post:
Old 12-24-2008, 15:09   #8 (permalink)
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Here's what you can do to automatically wipe out the index.dat files on a Windows 2000 Professional or a Windows XP Professional machine during each shutdown. This automatic method does not work on Windows XP Home edition.

Instructions for Windows XP Home users:

Windows XP Home users can delete the files manually. Follow the instructions below to create the IndexDat.cmd file. Save the edited IndexDat.cmd file to your hard drive at the root of C:\. Reboot your PC and when your PC is just starting to bootup, you can keep tapping F8 until you see the Windows Advanced Options Menu. Use your arrow keys to choose "Safe Mode with Command Prompt" and press Enter. At the C:\ prompt type "C:\indexdat.cmd" without the quotes and press enter to run the IndexDat.cmd file. After the script has run, press Ctrl->Alt->Delete on your keyboard and select Shut Down->Restart to restart your PC.

Instructions for Windows 2000/XP Professional users:

Index.dat files keep a record of every website you have ever visited and the one in the Content.ie5 folder just keeps growing and growing. It's OK to delete the Index.dat files as windows will created new empty files after rebooting.

Open Notepad and type the following:

Del "C:\Documents and Settings\Administrator\Application Data\Microsoft\Internet Explorer\UserData\index.dat"
Del "C:\Documents and Settings\Administrator\Cookies\index.dat"
Del "C:\Documents and Settings\Administrator\Local Settings\Temporary Internet Files\Content.IE5\index.dat"
Del "C:\Documents and Settings\Administrator\UserData\index.dat"
Del "C:\Documents and Settings\Default User\Cookies\index.dat"
Del "C:\Documents and Settings\Default User\Local Settings\Temporary Internet Files\Content.IE5\index.dat"
Del "C:\Documents and Settings\Local Service\Cookies\index.dat"



In this example, the username is Administrator. Replace Administrator with your username. You will need to add any additional users to the script.
Do not confuse All Users, Default User, LocalService or NetworkService as being users.
In notepad Save the file with the file name "IndexDat.cmd" (with the quotes). Your file should now be named IndexDat.cmd. It should not be named IndexDat.cmd.txt.

Copy the IndexDat.cmd file to the following folder:

C:\Winnt\System32\GroupPolicy\Machine\Scripts\Shut down
or
C:\Windows\System32\GroupPolicy\Machine\Scripts\Sh utdown

depending on where you operating system resides.

So IndexDat.cmd should now be in the Shutdown folder.

Now go to Start & Run and type in gpedit.msc and click OK. Open up Computer Configuration->Windows Settings->Scripts (Startup/Shutdown) and double click Shutdown. Click the Add button and browse to the IndexDat.cmd file in the Shutdown folder. Highlight the file, click Open and OK twice. Every time you shut your computer down, it will wipe out the index.dat files.

if you don't want to write all these in notepad already typed here just download and Edit with notepad the attached file
Attached Files
File Type: zip IndexDat.zip.zip (294 Bytes, 13 views)
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Old 12-24-2008, 15:16   #9 (permalink)
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i was forget to say

Good Job on Copy-Paste from different forums/Sites.

But always remember to give direct links instead of copying.

and give Credits to original Posters and topic writers.

here are the links to the sites where from you are copying.

www.viprasys.com (How to boot fast)
www.pctools.com (Add Your Own Tips at Registry Guide for Windows)
programmerworld.net (10 reasons why PCs crash U must Know)
windowstips.blogmas.com (Recover a Corrupted System File)

You are really a copy Paste King.

regards,
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Old 12-24-2008, 15:25   #10 (permalink)
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yes you're right bro i'm a good copy and paster but i didn't copy this from any web site i copied that from my own computer which i collect them for long long time all i want to do is sharing my collection of knowlage with others if you wanted to examine me you would ask me i would tell you ahahahahha

anyways thanks for asking a question and i'm still saying i never copied from neither one of those web site i copied that long long time ago about a year ago you can say
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Old 12-24-2008, 15:34   #11 (permalink)
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Arrow

Quote:
Originally Posted by kasrawiz View Post
yes you're right bro i'm a good copy and paster but i didn't copy this from any web site i copied that from my own computer which i collect them for long long time all i want to do is sharing my collection of knowlage with others if you wanted to examine me you would ask me i would tell you ahahahahha

anyways thanks for asking a question and i'm still saying i never copied from neither one of those web site i copied that long long time ago about a year ago you can say
i asked the question to know from which site you are copying

your location is New York but there are some spelling mistakes in your post.

by the way thanks for your work and starting this thread. i hope you will help many newbies...
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Old 12-24-2008, 16:09   #12 (permalink)
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if you even make type anything some literature teacher they make lots of spelling mistakes so even the monkeys fall out of the trees don't worry about spelling checks try to understand what am saying that is important
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Old 12-24-2008, 16:50   #13 (permalink)
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well... thats a nice thrread started by u ......... it will definately help alot of peoples ....keep going bro...


and secondly no one is master of anything everbody needs to search ...but what really matters is u have gave the time to this section ... and u will defiantely help out the people rather they would be searching tons of DATA... Good Luck
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Old 12-25-2008, 07:40   #14 (permalink)
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Thanks Mr Bhatti for your post and your suggestion
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Old 12-27-2008, 10:02   #15 (permalink)
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Let me Challenge you guys that you cannot make a folder with the name CON make a new folder name it con and i will give you whatever you ask me from


CHALLENGE FOR YOU
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