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 scanner usually connects internally on IRQ 6. The keyboard usually uses IRQ 1 and the floppy disk drive IRQ 5. 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 the device at a time it has a possible to crash. This may also result to BSD (Blue screen death).

So go to * Start-Settings-Control Panel-System-Device Manager.

Often if a device has a problem a yellow ‘!’ icon 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 that faulty device and reinstall it.This is the best thing to prevent from conflict.

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. And main thing before opening have some hardware knowledge and beware of warranty seal. Means once the warranty seal is gone then you can’t claim the warranty of that product unless it expires.

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 if one slot contains 1GB ram with 667 MHZ and other 1 GB 386GHZ these type Ram gets conflict so please use same MHZ Ram which is supported by your motherboard. This will often crash the machine if the Ram is overworked.

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 Del button during the first few seconds of a boot-up.

Once inside the BIOS, 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, which may also damage your motherboard.

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