FATAL ERROR: The PC system has become unstable or is busy,” it says. “Enter to return to windows or press Control-Alt-Delete to restart your PC. In case you do that you're going to lose any unsaved data in all open applications.” You could have just been struck by means of the Blue display of Death. Any individual who uses Microsoft windows might be acquainted with this. What are you able to do? Extra importantly, how will you prevent it going down?
1. HARDWARE CONFLICTS
The number one cause why windows crashes is hardware conflicts. Each and every hardware devices communicates to other devices via an interrupt request channel (IRQ). These are supposed to be specific for each device. For illustration, a printer traditionally connects internally on IRQ 7. The keyboard as a rule uses IRQ 1 and the floppy disk drive IRQ 6. Each and every device will try to hog a single IRQ for itself. If there are plenty of devices, or if they aren't set up safely, two of them may just end up sharing the same IRQ number. When the user tries to use both devices at the same time, a crash can occur. Methods to check in case your laptop or PC has a hardware conflict is by means of the following route:
* Go to Start-Settings-Control Panel-System-Device Manager.
Normally if a device has a problem yellow '!' appears next to its description inside the device manager. Highlight computer (in The device manager) and press properties to look the IRQ numbers used by your computer. If the IRQ number appears Twice, two devices may be utilizing it. Sometimes a device could share an IRQ with something described as 'IRQ holder for PCI steering'. This may also be unnoticed. The excellent approach to repair this is to remove the device and reinstall it. Sometimes you can also must find most recent drivers on the net to make the device perform accurately. A good Useful resource is www.Driverguide. Com. If the device is a sound card, or a modem, it can often be fixed by means of relocating it to a Distinctive slot on the motherboard (Just be careful about opening your PC, as you may void the guarantee). When working inside a laptop or computer you must switch it off, unplug the mains lead and touch an unpainted metal floor to Discharge any static electricity. To be reasonable to Microsoft, the problem with IRQ numbers isn't of its making. It is a legacy problem going again to the primary computer Designs utilizing the IBM 8086 chip. Initially there have been simplest 8 IRQs. In these days there are 16 IRQs in a computer. It's effortless to expire Of them. There are plans to expand the quantity of IRQs in future designs.
2. BAD RAM
RAM-(Random-Access-Memory) problems could deliver on the blue screen of death with a message announcing fatal Exception Error. A fatal error shows a major hardware problem. Frequently it is going to mean a component is damaged and will need replacing. But a fatal error prompted through Ram might be brought on by using a mismatch of chips. For eg:, mixing 70-nanosecond (70ns) Ram with 60ns Ram will generally force the PC to run the entire Ram on the slower speed. This may increasingly customarily crash the desktop if the Ram is overworked.
A method round this problem is to enter the BIOS settings and develop the wait state of the Ram. This will make it more stable. An additional method to troubleshoot a damaged Ram problem is to rearrange the Ram chips on the motherboard, or take some of them out. Then attempt to repeat the circumstances that brought about the crash. When dealing with Ram try not to contact the gold connections, as they may be able to be easily damaged. Parity error messages also confer with Ram. Brand new Ram chips are either parity (ECC) or non-parity (non-ECC). It's best not to mix the two varieties, as this can be a cause of trouble. EMM386 error messages confer with memory issues however is probably not linked to unhealthy Ram. This can be due to free memory problems generally linked to old Dos-based programs.
3. BIOS SETTINGS
Every motherboard is furnished with a variety of chip set settings which are decided in the manufacturing unit. A common way to access These settings are to press the F2 or delete button throughout the first few seconds of a boot-up. As soon as inside the BIOS, great care will have to be taken.
It is a good thought to write down on a piece of paper all the settings that Appear on the monitor screen. That means, in the event you change something and the PC turns into more unstable, you are going to recognize what Settings to revert to. A common BIOS error considerations the CAS latency. This refers to the Ram. Older EDO (extended data out) Ram has a CAS Latency of 3. More recent SD Ram has a CAS latency of 2. Setting the wrong figure can intent the Ram to lock up and freeze the PC's display. Microsoft windows is much better at allocating IRQ numbers than any BIOS. If possible set the IRQ numbers to Auto in the BIOS. This may enable windows to allocate the IRQ numbers (be certain the BIOS environment for Plug and Play OS is switched to 'Yes' To enable windows to do this.).
4. HARD DISK DRIVES
After a few weeks, the information on a hard disk drives begins to emerge as piecemeal or fragmented. It's a just great idea to Defragment the hard disk a week or so, to preclude the disk from causing a screen freeze.
* Go to Start-Programs-Accessories tools-System Tools-Disk Defragmenter
This will begin the process. You'll be unable to write data to the hard drive (to save it) while the disk is fragmenting, so it's a just right notion to schedule the system for a period of inactivity utilizing the Task Scheduler.
The Task Scheduler should be probably the most small icons on the bottom right of the windows opening page (the desktop).
Some lockups and screen freezes brought about via hard disk problems will also be solved by means of decreasing the read-ahead optimization. This can be adjusted by way of going to
* Settings-Control Panel-System Icon-Performance-File system-Hard Disk.
Hard disks will gradual down and crash if they are too full. Do some housekeeping on your hard drive each and every few months and free up some space on it. Open the windows folder on the C drive and find the temporary internet files and folder. Remove the contents (not the folder) can free up a lots of space. Empty the Recycle Bin per week to free more space. Hard disk drives must be scanned per week for error or bad sectors.
* Go to start-programs-accessories- system tools-Scandisk or else assign the task Scheduler to perform this operation at night time when the PC will not be in use.
5. FATAL OE EXCEPTIONS AND VXD ERRORS
Fatal OE exception errors and VXD errors are prompted by video card problems.These can quite 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 color settings on the left of that window. For Most desktops, high color 16-bit depth is enough. If the screen freezes or you experience system lockups it perhaps as a result of the video card. Make sure it does no longer have a Hardware conflict.
* Go to Settings-Control Panel-System-Device manager
Now here, Select the + beside display Adapter. A line of text describing your video card will have to show up. Prefer it (make it blue)
And press properties. Then select Resources and pick each line in the window and look for a message that says No Conflicts. If you have video card hardware conflict, you'll see it here. Watch out at this point and make an observation of the lot you do in case you make matters worse.
The only way to fix hardware conflict is to unchecked the Use Automated Settings box and hit the Change Settings button. You are searching for a setting tat will show a No Conflicts message. Another way to fix the video card issues is to move to
* Start-Settings-Control Panel-System-Performance-Graphics
Here you will have to move the Hardware Acceleration slider to the left. As ever, probably the most common reason of problems bearing on to graphics cards is old or faulty drivers (a driver is a small piece of software used by a PC to communicate with a device).
Look up your video card's brand on the internet and seek for probably the latest test drivers
6. VIRUSES
Mainly the primary sign of a Virus infection is instability. Some viruses erase the boot sector of a hard disk, making it impossible to start. This is the reason it's a just right notion to create windows Start-up disk.
* Just Go to Start-Settings-Control Panel-Add/Remove Programme.
Here, look out for the start up Disk tab. Virus protection needs consistent vigilance.
A virus scanner requires a record of virus signatures to be in a position to determine viruses. These virus signatures are stored in a DAT file. DAT records will have to be updated weekly from the internet site of your anti virus program manufacturer.
7. PRINTERS
The action of sending a document to print creates a huge file, commonly called a postscript file. Printers have handiest a small amount of memory, known as a buffer. This can also be easily overloaded.
Printing a document additionally uses a huge quantity of CPU power. This may also sluggish down the computer's performance. If the printer is attempting to print distinctive characters, these would no longer be recognized, and may crash the PC.
Generally printers will not get better from a crash because of confusion in the buffer. An effective way to clear the buffer is to unplug the printer for 10 seconds. Booting up from a powerless state, often known as a cold boot, will restoration the printer's default settings and you can be ready to carry on.
8. SOFTWARE
A usual reason of computer crash is inaccurate or badly installed software. Typically, the drawback can also be cured by uninstalling The software after which re-installing it. Use Norton Uninstall or Uninstall shield to delete an application from your system Thoroughly. This would also remove with references to the program within the system Registry and leaves the way clear for a Totally fresh copy.
The approach Registry can be corrupted by means of old references to obsolete program that you simply thought was uninstalled. Use Reg Cleaner by Jouni Curio to clean up the System Registry and remove obsolete entries. It really works on windows 95, windows 98,windows 98 SE (Second Edition), Windows Millennium Edition (ME), NT4 and home windows 2000.
Read the instructions and use it cautiously so you do not do permanent harm to the Registry, If the Registry is damaged You will ought to reinstall your operating System. Reg Cleaner will also be downloaded from www.macecraft.com.
Typically, a windows obstacle may also be resolved by means of entering Safe Mode. This can be performed throughout start-up. When you see the Message “Starting Windows” press F4. This must take you into Safe Mode.
Safe Mode loads a minimum of drivers. It permits you to seek out and repair problems that prevent windows from loading Properly.
Sometimes installing windows is very much difficult due to unsuitable BIOS settings. When you keep showing SUWIN error messages (windows setup) during the installation of windows, then are attempting entering the BIOS and disabling the CPU internal cache.
Attempt to Disable the level 2 (L2) cache if that doesn't work. Keep in mind to revive all the BIOS settings back to their former settings following installation
9. OVERHEATING
Central processing units (CPUs) are customarily equipped with fan to cool them. If the fan fails or if the CPU gets old it may begins to overheat and generate a particular type of error known as a kernel error. This can be a common issue in chips that have been over clocked to function at higher speeds than they are supposed to.
One remedy is to get a bigger and better fan and set up it on top of the CPU. Professional cooling fan/heat sinks are available From www.Computernerd. Com or www.Coolit. Com
CPU problem can often be fixed via disabling the CPU internal cache within the BIOS. This may make the laptop or computer run more slowly, nevertheless it must also be more stable.
10. POWER SUPPLY PROBLEMS
With all the new construction occurring around the country the constant provide of electrical energy has turn out to be disrupted. A power surge or spike can crash a Laptop or computer as easily as a power cut. If this has come to be a nuisance for then you recall purchasing a uninterrupted power supply (UPS). This gives you a smooth power deliver when there may be electricity, and it is going to offer you a few minutes to perform a controlled shutdown in case of a power cut.
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