Saturday, August 14, 2010

System recovery and data hardware and software

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People commonly come by looking for advice recovering their data. Both from a dead computer and one with nasty virus infections. Each requires a different approach but can usually be done relatively cheap.

If the computer does not power up the easiest solution is removing the hard drive and connecting it to a working PC. There are basically two ways to connect the drive to another computer, either through a simple cable system or an external enclosure. For ease of use a simple IDE/SATA to USB cable with a power supply is hard to beat, especially if you might be using it pretty often on different drives. Some people prefer an enclosure to ensure no accidental static can harm the exposed drive.

From experience I've learned that some enclosures can be just as deadly to a drive because they can slide. Like off the top of the working computer to the desktop or floor. In the best case you can lose a drive or break the enclosure. Worst case is losing them both. I've found handling the bare drive makes me more likely to handle with care. Any smooth, non-conductive, surface is safe to set the drive on but some people suggest setting them upside down.

Both Newegg (Enclosures, Cables) and Amazon (Enclosures, Cables) have a selection of both. Just be sure you get one that accepts both the size, (3 1/2" for most destops, 2 1/2" for laptops) and type (IDE has large flat data cables, SATA has thin red cables).

For a computer that is powering up but will not boot there are several possible problems. If you know the problem is a virus you can download a bootable Rescue CD. The one most commonly
suggested by our forum members is the BitDefender Rescue CD. This tool is great because you never need the hard drive, it runs solely from the CD/DVD and RAM. The file is downloaded and burned AS AN ISO to a CD or DVD. Usually computers will be configured to boot from this drive before the hard drive so it works with no problems. Because it can be used to transfer files to a USB drive it's great for problems like a corrupted OS. Because most recovery disks format the hard drive this can be used to remove files before you reinstall the OS.

And finally there is the Recovery Disks. Most common computers use these to restore the computer and drivers to the original state that you purchased it. You only want to use these if you have your important documents saved to another disk or drive, otherwise it will be lost. For those who have lost their factory provided disks they can be purchased. One of the forums sponsors, Secure Remote Support, carries a complete line of disks for almost any brand and OS. Their website, Recovery-Disks.com, has all their contact information including a phone number for contacting their sales and support team.

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Thursday, August 12, 2010

A System Is Dangerously Low On Resources Message

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If you receive a system is dangerously low on resources message, this could mean you have a memory leak. A memory leak is less of a problem these days, but can occur if a program is quit or crashes before it completely finished loading. A program is supposed to relinquish the resources it takes when it shuts down. When this does not happen, a memory leak will siphon your system resources until your computer feels sluggish and you begin to get errors.
Regain System Resources

You can easily regain these system resources by rebooting the computer. But you need to figure our what application is causing the memory leaks–especially is this is a reoccurring problem. You can check the task manager to see what programs are running by hitting CTRL+ALT+DEL and selecting Task Manager, then the Processes tab. In the far right column you will see which programs are consuming the most RAM. If you see an application in there that is not running, but still consuming resources, you should end the task or reboot the machine. Check the task manager again when you reboot
. If if the program reappears and you are not running it, go to Start and in the run or search box type msconfig and hit OK. On the startup tab, uncheck that program if it is listed. The next time you reboot, that program should not load.

You can also uninstall any old programs you no longer use through the control panel. Uninstalling old programs ensures they stay out of memory and as a result, your computer should remain stable and run faster.

Keep in mind that memory leaks can be caused by programs that have coding issue and bugs. If you find that a particular program you like is causing a memory leak, check for a patch or a newer version of that program, as the issue might have been corrected in the latest release.

Via: [pctechbytes]
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Tuesday, August 10, 2010

Troubleshooting on Processor and its Maintenance

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Problems on the processor generally cause the appearance of the layer blank without any sound. This occurs because:
1. Processors dead or damaged.
2. The processor temperature is too hot burns caused due to over clock or because the processor fan is not working.
The solution is to replace a new processor.

Processor Maintenance
The treatment for computer processors are:
1. Use a good heat sink and fan.
2. Frequently clean the heat sink and fan attached to the processor.
3. Trim the cable is in the casing.
4. Avoid doing the technique is not easy to over clock the processor to heat and age, the processor can be longer.
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Sunday, August 8, 2010

Troubleshooting on Motherboard

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Often there are problems on the motherboard that caused by faulty hardware components installed on the motherboard or damage to the chipset used on the motherboard and I / O.
The problems that can occur such as:

A. Computers can not be switched on or often referred to by the term "motherboard blank" when the ON button on the casing has been pressed without any sound
. Usually this happens because:
Defective power supply or power supply cables to the motherboard is placed incorrectly or loosely.
1. BIOS is corrupted or not functioning.
2. CPU clock setting error due to over clock on a computer.
3. Processor that is installed is damaged or incompatible with the motherboard socket that is used.
4. Fan on the processor die.
5. Damage to the existing chipsets on the motherboard.
Solutions
1. Make sure the power supply lights up and the connectors installed properly on the existing connector on the motherboard.
2. Reinstall the BIOS program that existed at the CMOS / BIOS on the motherboard.
3. Restore all default settings in the BIOS.
4. Use in accordance with the type of processor that the existing motherboard.
5. If it does not rotate, the fan on the processor should be replaced with new ones.
6. Chipset damaged must be replaced with a brand of the same chipset.
7. Clear CMOS / BIOS function from the initial reset all BIOS settings, by removing the "reset jumper" on the motherboard, then installed again.

B. Computers often hang or can not boot.
This is caused by:
1. Chase memory on the motherboard is damaged.
2. BIOS settings are not correct due to over clocking
3. Motherboard dirty or full of dust, so the data points on the motherboard much disturbed.
Solutions
1. Replace IC chase memory with the same type and brand. Because this work requires a professional, you can fix this by disabling the function of memory chase through the motherboard BIOS settings. However, in order not computer performance is slower, main memory capacity are required to be added (eg an existing memory of 256MB, 256MB should be added again to 512MB).
2. Restore the BIOS settings at default or in any way clear the CMOS / BIOS.
3. Clean the motherboard and the fan is in the casing with a soft brush.

C. At the time the computer boots, there is a message "CMOS failure" and "Press F1 to continue".
The problem is caused by BIOS CMOS battery has been depleted or damaged. The solution is to replace the CMOS battery on the motherboard BIOS with the new.

D. Damage was also often occurs due to the connector I / O motherboards.
This damage, such as:
1. LPT port (port printer) damaged so that the printer can not work.
2. Serial port (Com 1 or Com 2) damaged so that all equipment that uses this port can not function. Like a mouse model of external devices that use this port.
3. The USB port is damaged. Often there is a presumption that the external device that uses this port is damaged, for example, USB flash, USB mouse & keyboard, digital camera not detected by the computer.
Solutions
To overcome the problem of I / O port, replace the appliances or connector I / O with the new. You can do it yourself by installing a super I / O card as an equipment replacement I / O ports by installing a defective motherboard I / O card on PCI slot. In order for the super I / O cards can work on your computer, you must disable the internal function of I / O is in the motherboard by setting enabled in the BIOS to disable. The motherboard uses the I / O card installed in PCI.
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