Drug testing

Troubleshooting Computer Freeze (Lockup) Problems

How familiar does the following sound? Your computer was working fine, but then suddenly started locking up (aka hanging or freezing), rebooting itself (crashing) or shutting down spontaneously? If you know only too well what I am talking about, then read on! Performing the simple steps below can fix the majority of lockup cases.

1. Check for recently installed software or hardware.
If the lockups started to happen after you installed a new peace of hardware, new software program, or new drivers, uninstall it and see if the problem goes away.

2. Run your antivirus program.
One of the first things to do in the case of sudden lockups is to run your antivirus program. Check your antivirus manufacturer's website for updates and latest virus definition files. (This is absolutely necessary, outdated antivirus is not going to be of any use!) If you don't have antivirus software installed - or if updates are unavailable - run one of the web-based antivirus scans that some major antivirus vendors like Trend Micro are offering for free. You can find a comprehensive list of available web-based scans and free antivirus programs on http://www.free-antivirus.info.

3. Run some good spyware removal tool.
If your machine is not infected with any viruses, it is still possible that it has some harmful adware or spyware is present. Download and run some good spyware removal tool such as AdAware or Microsoft AntiSpyware. Check http://www.free-antivirus.info for a list of free spyware removal applications.

4. Check for free hard drive space.
When no viruses are found, check out free hard drive space on drive C:. Make sure there is more than 20% of free space available; low disk space can lead to random lockups.

5. Check for overheating.
Overheating is another known cause of lockups. It can be caused by problems with fans inside the case, dust buildup, or other cooling problems. Make sure the power supply fan and CPU fan are running and free of dust buildup. You can check the temperatures inside the case by running Motherboard monitor http://mbm.livewiredev.com - make sure the temperatures are within the preset limits. Be very careful while cleaning inside the computer case (use plastic vacuum crevice tool) and NEVER OPEN THE POWER SUPPLY CASE as it contains high voltage.

6. Check the hard disk.
Check the hard disk - it is possible that its logical structure is corrupted. To check the disk for errors, right-click on the disk C: icon in "My Computer", select the "Tools" tab, check all check boxes in the "Check disk options" field, and press the "Check now" button. It should ask whether you want to schedule the check next time you restart your computer - answer "Yes" and restart your PC. The check will be performed automatically after startup; it can take a while, so be patient. The program will attempt to fix some problems automatically ? however, if the hard disk is failing physically, it will need to be replaced. It is also a good idea to run Disk Defragmenter (located in Start Menu > Programs > Accessories > System Tools) to optimize data placement on the hard disk for increased performance and reliability.

7. Check the memory.
Sometimes random lockups can be attributed to the computer memory (RAM) starting to fail. You can test the memory by running Windows Memory Diagnostic that can be downloaded from http://oca.microsoft.com/en/windiag.asp. If memory problems are found, try re-seating the RAM (pull it out and plug it back in). If it doesn't work, replace the defective RAM.

8. Check for other hardware problems (advanced users).
More hardware-related problems can be diagnosed by running hardware tests from the Ultimate Boot CD that can be downloaded from http://www.ultimatebootcd.com. However, you should only use it if you know what are you doing - some programs on that CD can be dangerous when used inappropriately (for example, some of them can wipe the contents of your hard disk).

9. Update Windows and drivers.
Some lockups can be caused by outdated software components - update your windows and drives by running a windows update: http://windowsupdate.microsoft.com (it's good idea to run it regularly).

The above steps will help diagnose and eliminate the most common causes of lockups. Hundreds more of other possible scenarios need to be dealt with on a case-by-case basis, as it all goes down to your particular computer configuration. Asking on PC troubleshooting forums/newsgroups should help you figure out solutions to not-so-obvious lockup cases.

Michael Woodford is a computer expert from a team that runs HowToFixcomputers.com and CertFAQ.com.

In The News:

Dressed in moccasins and a rabbit-skin shroud, a man was laid to rest in a cave in Nevada about 10,600 years ago.
Two divers in New Zealand found themselves face-to-face with a strange 26-foot worm-like sea creature recently.
Marine scientists made a major — and somewhat unexpected — discovery while surveying the ocean floor roughly 200 miles off the coast of Ireland.
A previously-unknown 1,500-year-old painting of Christ’s face has been uncovered at a Byzantine church in Israel’s Negev desert.
Space enthusiasts have spotted what they claim is a mythical "creature" hidden in the swirls of Jupiter's cloud system. 
A new study highlights the risks that heatwaves can alter species' population numbers over time, resulting in drastically lower sperm counts for insects and could impact other groups for years to come.
For nearly a decade, researchers with Virginia Commonwealth University in Richmond would conduct a trawl survey on the James River, never to come across any baby Atlantic sturgeon — a species that was listed as endangered in 2012.
WASHINGTON — The moon may be the next space destination for American astronauts, but the frontier of Mars still beckons, NASA chief Jim Bridenstine says.
A British Airways pilot said there was a “very bright light” from UFOs off the southwest coast of Ireland, and that they came along the left side of his aircraft on Friday and “rapidly veered to the north,” the BBC reported.
How can elephants fend off ivory poachers?

Refurbished Computers on the Internet

What is a Refurbished Computer?Refurbished Computers. Remanufactured Computers. Reconditioned Computers.... Read More

How To Remove One Operating System from a Dual Boot Windows XP Computer

In Windows Xp, you can install two operating systems on... Read More

Desktop Security Software Risks - Part 2

This is the third in a series of articles highlighting... Read More

New Computer? Steps to Protect Your Computer Before Connecting to the Internet

Getting a new computer should be an exciting and gratifying... Read More

Selecting the Perfect Big Screen TV

Selecting a TV isn't as easy as it used to... Read More

Be Your Own IT Department

If you use a computer, you need to know more... Read More

Palm PC critique

I met an entrepreneur who hole heartedly disagree with an... Read More

Three Things You Can Do to Keep Your Computer Running at Maximum Performance

Although there are many things that can affect the performance... Read More

Cisco CCNA Candidate FAQ

CCNA FAQQ. What exams do I have to take to... Read More

How to Save an Image in a SQL Server Database?

Most of the web applications have a lot of images... Read More

Simple Overview Of Computer

Computer is an electronic machine work on the instructions of... Read More

Bluetooth Technology: Tips for Buying Headsets or Headphones

The technological horizon has always got something new to offer,... Read More

10 Tips to Stay Safe and Secure Online

The Internet can be a dangerous place.While you're enjoying the... Read More

How to Protect your PC from Spyware in the Cyber Age

Wouldn't you be shocked to find that your personal sensitive... Read More

Image Conversion In Computers

JPEG, GIFF/JIFF, BMP, and TIFF are the most commonly used... Read More

D2X Digital SLRCoolpix 8800 Actually Refers to Two Nikon Cameras

Addressing a D2X Digital SLRCoolpix 8800 search, this article provides... Read More

Digital Cameras + Photo Printers = Quality Instant Photographs

In the 1950's and 1960's Polaroid's instant cameras were all... Read More

DVD The Ultimate Consumer Digital Media

Digital Video Disc or as it is sometimes referred to... Read More

Cisco Certification: Building Your Own Home Lab, Part I

CCNAs and CCNA candidates hear it all the time: ???Get... Read More

Flash Memory, Part I: MMC and SD

MMC and SDFlash memory is available in so many formats... Read More

Cisco Certification: The Most Important Cisco Study Youll Ever Do

All of us are familiar with the pyramids of Egypt.... Read More

Help, I Need a New HDTV! (Part 4 of 5)

Feeling overwhelmed in selecting a new TV? With all the... Read More

Microsoft Great Plains Dexterity Customizations

Microsoft Business Solutions is on the way to popularize it's... Read More

An All Too Familar Pain

Lost & Found for the 21st CenturyIn today's hectic world... Read More

Why There Are Color Differences in Printing from Your PC

This article describes the basic properties of color, what the... Read More

led manufacturers induction fixture Pete's produce ..