Computer HardwareHardware

It's certainly frustrating when are you in the middle of some work on your computer, and experience some hardware problems. In such cases, you may want to follow some hardware repair tips. Read on to know more on computer hardware troubleshooting tips and tools.
Hardware Repair: Computer Hardware Troubleshooting Tips and Tools
The computer hardware includes devices such as the mouse, keyboard, monitor, printer, scanner, etc. All are machines, and can at some or the other time fail to function. However, you can perform some basic computer troubleshooting tips to make them functional. If they don't seem to work with the troubleshooting tools, you need to send them for hardware repair. Let's discuss some of the computer troubleshooting tips that can generally be used.

Computer MonitorMonitor
If the monitor is not working, using the computer is useless as you can't view what you are doing. If it's not displaying the content, the first thing you need to do is to ensure that it has been turned on by pressing the on/off button. The next thing you have to do is to check if the cable which connects the computer monitor and the CPU is connected properly. If not, connect it in a proper manner, or remove and plug it in again. Also make sure that the cord which is used to power the monitor is plugged in the UPS the right way. If this doesn't function the monitor, you need to check both the cables turn by turn on a different monitor which is in working condition. If the other monitor doesn't work with any one of the cords, that cable needs to be replaced. If the other monitor works with both cords, there is possibly a problem in your monitor. If you are unsuccessful in starting your monitor, you may turn off the PC, restart it in few minutes, and then check whether the monitor is working or not. When all efforts fail, a professional technician should be consulted.

Computer KeyboardKeyboard
The keyboard is also an important part of the computer, without which you are unable to perform several PC tasks. The keyboard should be kept away from dust for its proper functioning. If it doesn't work, you first need to check its connection with the CPU. If the connection is fine, and still it's nonfunctional, simply try to connect it to another PS/2 socket, or USB port (in case of a USB keyboard). In case of wireless keyboards, special drivers are needed to be installed in the computer for proper functioning. Ensure that such drivers are installed. Also make a point to check whether the drivers are updated. Hold the keyboard in an inverted manner and remove the dust or debris which is hampering the proper working of a key or a set of keys. You can also remove dust with the help of a vacuum cleaner or an air compressor.

Computer MouseMouse
If the cursor on the screen is not moving in a smooth manner, you need to check for dust or any residue on the trackball rollers which enable the computer to accurately identify the movement of the mouse. Remove the rear mouse cover which will let the ball come out, clean the trackball if needed, remove the dust or residue, put the ball in again, and finally put the cover back. Check whether this works. If the cursor doesn't move at all, check whether the mouse is correctly connected to the CPU. If it's a USB mouse, try to use a different USB port. There can also be possibilities of a virus, if the mouse pointer doesn't work in an acceptable manner. Run an anti-virus software and delete the virus as soon as possible. Also check if the mouse drivers are corrupted, if yes, reinstall them.

Computer PrinterPrinter
If the printer doesn't work, there is a possibility of a paper jam which normally occurs if the papers are not placed in the tray in a right manner. In case of bigger printers, you may need to open various printer parts to get to the place where there is a paper jam. This exclusively has to be done by a professional printer technician. Don't use tools to remove the paper jam as some components may get damaged during the process. If the printer doesn't turn on, the power cord may be loose, and needs to be plugged in properly. The cord which connects the printer to the computer also needs to be checked.

These are some of the very common computer hardware troubleshooting steps which can be followed before taking the PC to a professional hardware repair shop.


• EPS

EPS (Encapsulated PostScript) files are self-contained PostScript graphic documents, usually containing both an on-screen preview function and the PostScript (PS) file data for PostScript printing. The EPS format describes both pixel and exported vector graphics. EPS files are high quality, very large memory files regularly used by design and print professionals, due to their lossless (no data lost) format. EPS files are useful to retain ‘clipping paths’, which are created to define selected parts of an overall pixel image, for final output via page layout programs. The file extension for this format is .eps

• TIFF

TIFF (Tagged Image File Format) files contain flexible information fields, called ‘tags’ which allows the format to handle multiple images and data in a single file. The TIFF format differs from others through the use of these tags which also offer the ability to use a wide range of compression schemes and colour spaces. TIFF files are high quality, large memory files (slightly smaller memory size compared to an EPS file) regularly used by design and print professionals, due to their lossless (no data lost) format. When saving a TIFF file the option to select the byte order for a Mac or PC is available, however most recent software applications can usually read either option. Also available are several compression techniques for producing a smaller file, but using any of these options is not advisable for producing a suitable file for printing. The file extensions for this format are .tif and .tiff

• JPEG

JPEG (Joint Photographics Experts Group) files are based on a set of compression algorithms developed by the JPEG committee in 1992. This method for saving photographic images is a lossy compression format, which means that some visual quality is lost as the format selectively discards data when saved under this standard. JPEG is the most popular format in use on the web, due to the availability to trade the balance of image quality with file size when saving. JPEG is also widely used as the standard format on digital cameras, which requires images to be saved at maximum dimensions to compensate for any quality deterioration. Due to its lossy format JPEG is not the desired method for saving images destined for professional print projects. The most common file extensions for this format are .jpg and .jpeg

• GIF

GIF (Graphics Interchange Format) files contain a limitation of 256 distinct colours, which makes them unsuitable for photographic images, but popular for simple graphics and logos featuring a limited number of solid colours. GIF are lossless (no data lost) compressed files using the LZW compression method, which reduces file size, whilst preserving sharp edges and without affecting image quality. GIF is a very popular format for both images and animation on the web. The file extension for this format is .gif

• PNG

PNG (Portable Network Graphics) format was developed in 1995 as a replacement for GIF and offers improved colour depth, transparency, interlacing and compression, but does not support animation. PNG are lossless (no data lost) compressed files using a method known as ‘deflation’. As with the GIF format, PNG is unsuitable for photographic images for print purposes. The file extension for this format is .png

• BMP

BMP (bitmap) is also known as Device Independent Bitmap (DIB) and is a simple graphics file standard for Microsoft Windows 3.0 or later. The colour depth can range from 1-bit to 24-bit and as BMP files do not feature compression (so are typically much larger than those saved in other formats, ie GIF or PNG) are rarely viable for web use. BMP files are unsuitable for photographic images for print purposes. The file extensions for this format are .bmp and .dib

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