How to Diagnose a Computer Problem? | HP Technical Support Number


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24 X 7 HELP SUPPORT TOLL-FREE NO.: +44-800-046-5293 :

24 X 7 HELP SUPPORT TOLL-FREE NO.: +44-800-046-5293 Many people are faced with everyday computer problems that are easy to fix, but are unable to diagnose the actual problem. While there are many problems a computer will be faced with, this article will tell you where to look for common problems.   Check the POST.   POST stands for Power On Self Test. This is generally the first or second thing that appears on a computer after turning on the power. This appears before the operating system begins to load. The POST will display any problems found with hardware that makes the computer unable to boot, POST may also display problems with hardware that allow the computer to boot, but not operate at its full capacity during operation . Notice the load time of the OS (operating system). A longer than usual load time may indicate seek errors (or other errors) in the hard drive. Notice any graphics problems once the OS has loaded.  Reduced graphics may indicate driver failures or hardware failures with graphic cards.   Perform an auditory test.  An auditory test is an unorthodox, but still effective way of judging how hard a computer is working. With the computer on and running, play any decent length audio file. If the audio is choppy or slow, it usually means that the processor is working at an elevated level, or there is not enough RAM to run all programs loading. Changing the startup sound is a great way to apply this test. Another issue associated with choppy sounds is PIO Mode . This affects how the hard drive reads and writes data from a drive. Switching to DMA allows for faster reads and writes, and can sometimes repair choppy audio.

24 X 7 HELP SUPPORT TOLL-FREE NO.: +44-800-046-5293 :

24 X 7 HELP SUPPORT TOLL-FREE NO.: +44-800-046-5293 Check any newly installed hardware.   Many operating systems, especially Windows, can conflict with new drivers. The driver may be badly written, or it may conflict with another process. Windows will usually notify you about devices that are causing a problem, or have a problem. To check this use the Device Manager, this can be accessed by entering the  Control Panel , clicking the  System  icon, clicking the  Hardware  tab, and clicking on  Device Manager . Use this to check and arrange the properties of hardware . Check any newly installed software.  Software may require more resources than the system can provide. Chances are that if a problem begins after software starts, the software is causing it. If the problem appears directly upon startup, it may be caused by software that starts automatically on boot. Check RAM and CPU consumption.   A common problem is a choppy or sluggish system. If a system is choppy it is good practice to see if a program is consuming more resources than the computer can provide. An easy way to check this is to use the Task Manager, right click on the taskbar select  Task Manager , and click the  Processes  tab. The CPU column contains a number that indicates the percentage of CPU the process is consuming. The Memory Usage column indicates how much memory a process is consuming.   Listen to the computer, if the hard drive is scratching or making loud noises, shut off the computer and have a professional diagnose the hard drive.   Listen to the CPU fan, this comes on a high speed when the CPU is working hard, and can tell you when the computer is working beyond its capacity.

24 X 7 HELP SUPPORT TOLL-FREE NO.: +44-800-046-5293 :

24 X 7 HELP SUPPORT TOLL-FREE NO.: +44-800-046-5293 Run a virus and malware scan.   Performance problems can be caused by malware on the computer. Running a virus scan can unearth any problems. Use a commonly updated virus scanner (such as Norton Antivirus or Avant! Antivirus) and a commonly updated malware scanner (such as Spigot Search & Destroy). Check for the problem in safe mode.   As a last ditch effort, check the problem in safe mode. To enter safe mode, tap F8 repeatedly during POST (this works on most systems). If the problem persists in safe mode, it is a fair bet that the operating system itself is to blame.

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