Saturday 23 April 2011

TIPS FOR LAPTOP

Laptop Keyboard Repair

Laptop keyboard repair is one of the more common jobs performed on laptops, it's also one of the easier repairs to carry out providing the following hasn't happened.

A spill of anything but water on a keyboard will 9 times out of 10 leave you in a situation that involves replacing the keyboard all together.

Keyboards are manufactured in such a way that leaves little to no room to clean out messy spills.


Basically any liquid containing sugar (soft drinks, beer, wine, coffee or tea) are bad news...

A couple of laptop keyboard repair do’s and don’ts in the event of a spill..


Laptop Keyboard Repair

DON’T panic. Panic makes us do stupid things, think before you react.

DON’T use a hairdryer to dry out a spill...melted keys are hard to type with.

DON’T tilt the machine upside down or on its side (if you do feel the need it's better to tilt it to the side that houses the CDROM as the CDROM area inside the machine has less components on it than the mainboard).

DO switch the machine off immediately and resist switching it back on until you're certain the spill has dried. Survey the damage after you've dried it out. At this point you could remove the keyboard and try the machine using an external keyboard to see if anything else has been affected.

This diagram shows what a basic keyboard looks like, the ribbon cable which connects the keyboard to the motherboard is indicated by the red arrow.
Laptop Keyboard Repair

The ribbon cable can also be located on the front edge of the keyboard depending on the age and model of the laptop you have.
Note the keyboard holder (thin strip of plastic) that sits on the top edge of the laptop keyboard needs to be removed to get access to the screws holding the keyboard down.
Most of the current laptop keyboards are like the diagram below.

Laptop Keyboard Repair

Traditionally a spill will kill a keyboard or at best at least some function will be lost. I have only ever been successful with a laptop keyboard repair that involved a water spill, anything else normally results in a tragic loss and putting your old faithful keyboard to rest.. RIP.

How to replace a laptop keyboard

Keyboard removal is relatively simple, most keyboards are held in place with a couple of screws, and in some models, also a couple of screws that may need to be removed from the base of the unit. A quick call to your local authorized laptop computer repairer should help to determine what screws need to be removed (if they know their stuff).

The keyboard connector is something that needs a little care when unplugging, if you are too heavy handed and damage the connector in any way you may even damage the main board also which can cause a world of pain.. be careful.

See below for the most commonly used connector.

Laptop Keyboard Repair
In order to release the keyboard ribbon cable ease the connector edge upwards only about 2 or 3 millimetres, the ribbon should now slip out with ease. The refitting of the keyboard once cleaned or replaced is just done in reverse.

Broken off some keys??

Whoops, these are a difficult one to fix and once again often end in having to replace the keyboard entirely. Some very small plastic mounting arms hold the keys in place and are often broken, either that or the little clips that the mounting arms click into break. It's handy to have or get a hold of an old keyboard of the same type in order to poach the parts you need.

You may need some tweezers and a steady hand to fix these. The best thing I can suggest is to gently remove one of the other keys to see exactly how the mounting arms sit, once you have an idea of how it should look grab those tweezers and be patient, it may take some time.

We will soon have some detailed photos showing how these are assembled, until then remember to be patient and gentle.

If you seek professional advice regarding your laptop keyboard repair, the repairer will probably try to sell you a new keyboard complete with hefty labour charge to fix this for you. With the tips we have given you here, you can do your own laptop keyboard repair, fit it yourself and pocket the savings.

Tuesday 19 April 2011

CLEAN YOUR PC EASY STEPS

CLEAN YOUR PC


How to Clean Your PC, Inside and Out

 we would like to share this article with you.
Disclaimer: we are not responsible if you turn your computer into a massive paperweight after trying one of the tips you're about to read. Cleaning a computer isn't rocket science, but certain techniques do carry more risk than others.
So there it is: We've spoiled the secret. The next thousand words or so will change your life for the better--or, at least, they'll add 50 friendship points to the bond you share with your desktop PC. Like bathing a cat, taking a computer from filthy to fresh can be a difficult task at best, but it's well worth the struggle, time, and messy aftereffects. (Fewer scratches involved, thankfully.)
Not only will cleaning your PC help you get rid of the gunk and other crusty unknowns that lurk within devices such as your keyboard and mouse, but you'll also be able to rid your system of the dust, hair, and assorted debris that make it look as if you had been storing it in your attic the past three years. Aesthetics aside, you'll be doing a great service for the components that help your PC stay cool: Fans can keep spinning happily if they aren't coated with dust and grime, heat sinks can cool better if gunk isn't impeding their tightly packed fins, and CPUs will benefit from a fresh, even coat of thermal paste instead of, well, whatever that stuff is that's currently caked on your chip.

Cleaning the Keyboard and Mouse

Taking a can of compressed air to a keyboard.Taking a can of compressed air to a keyboard.
You have two ways to go about cleaning a keyboard: the easy way and the fun-but-potentially-disastrous way. The former requires a can of compressed air and some cleaning fluid--anything from Pledge wipes to Lysol, your pick.
Gently pop the keys off the keyboard, and you can expose the crud underneath.Gently pop the keys off the keyboard, and you can expose the crud underneath.
Turn off the computer. Start by gently brushing the cleaning solution over the keys; I recommend that you spray a paper towel or a wipe instead of drenching the keyboard in cleaning fluid (I'll talk about that later). If you think it's already pretty crud-free, you can get away with spraying compressed air in between the keys. To do a more thorough job, however, you'll want to use a capped pen, a mechanical pencil, or a closed pair of scissors to pop the keys up and off the keyboard. Once you've done that, commence deeper cleaning of the underlying surface. You might want to do this cleaning in batches of keys, just in case you forget which keys go where.
The "fun" method involves sticking your keyboard in the dishwasher and letting nature take its course. A few caveats: Gaming keyboards and wireless keyboards carry with them a greater degree of risk than standard keyboards do. To put it another way, you should steer clear of this method if your keyboard has a tiny display attached. Cover any open USB ports with plastic and tape, and, if you're cleaning a wireless keyboard, remove the battery prior to the washing. Set the dishwasher on a normal temperature with no heated drying--just air--and make sure that the keys are facing down.
Wiping off the mouse with a damp cloth.Wiping off the mouse with a damp cloth.
Once the keyboard is done bathing, you must let it dry completely before attempting to use it. Put it upside-down on the dish rack for a few days, stick it in sunlight for a few days, blast the insides with compressed air. You'll find no perfect solution to getting every last bit of water out of the keyboard--you'll just have to be patient, lest you paperweight your device.
Swabbing the mouse sensor.Swabbing the mouse sensor.
You can use the same techniques on your mouse that you used to clean your keyboard--that is, a gentle brushing with a cleaning wipe or a moist towel. Depending on the variety of mouse, you should be able to pop the primary clicking buttons off in a manner similar to a keyboard's keys, giving you access to the dirty bits underneath. You can also use the same cleaning cloth to wipe the gunk that typically sticks to the pads on the mouse's underside.
If you're still rocking a legacy mouse with a ball, remove the cover on the bottom of the mouse and give the sphere (as well as the area in which the mouse ball sits) a good wipe. And for the 99 percent of you who have moved on to optical mice, a cotton swab gently inserted into the area of the LED should be sufficient to remove any debris that has collected.

Deep-Cleaning the PC

Here we go--the biggie. As tempted as you might be to just blast compressed air all over the inside of the case, resist the urge at first. If you're going the compressed-air route, you'll want to move the system to an area that you don't mind getting a little messy (as in, not your carpeted office floor). You'll also want to blast spurts of air from the inside of the case on out. No sense spraying dust back intoyour system, eh?
Compressed air can clean out PC fans--just make sure not to blow dust back into the PC.Compressed air can clean out PC fans--just make sure not to blow dust back into the PC.
To clean the case fans, you can use the compressed-air can and give 'em a good blasting, or you can use rubbing alcohol gently applied to a cotton swab, paper towel, or toothbrush (I'm not kidding, a toothbrush works great for scrubbing dust and gunk from the fan blades themselves). You might need to physically unscrew the fan from the case, which is pretty easy. Just be sure to make note of the diagram on the fan that indicates which way air is being pushed or pulled into the case; once you've cleaned the fan, reinstall it so that it's moving air in the same direction.
Wiping down the heat sink.Wiping down the heat sink.
Of course, that's just the first step. Next up is the CPU, which you can treat in one of two ways: using compressed air to blast dust away from the heat sink and fan combination installed in your PC, or removing the heat sink entirely and using 99 percent isopropyl alcohol to scrub off the gunk. We recommend the latter method, as it will also give you a great chance to clean and reapply thermal paste to the CPU itself.
Each heat sink tends to have its own specific way of detaching. In general, you'll probably have to twist and pull up four knobs attaching the device to the motherboard, or, depending on your CPU/heat-sink variant, you might need to unlock one or two larger retaining clips or levers. Once you've freed the heat sink, use the aforementioned rubbing alcohol to wipe away the thermal paste on the underside of the component. You can also use the liquid to clean dust off the heat sink as is--but whether you're wiping the heat sink or dunking it in a bath of rubbing alcohol, be sure that the heat sink is entirely dry before you try to use it once more.
Reapplying thermal paste.Reapplying thermal paste.
Use the same rubbing alcohol to wipe the thermal paste off the CPU itself. You'll want to reapply new thermal paste according to the specific preferences indicated by your CPU manufacturer. But you don't have to search very far for that information: Thermal-paste manufacturer Arctic Silver has a handy guide for both AMD- and Intel-based setups.
Now you're probably asking yourself why I haven't covered cleaning other parts of a PC--such as the hard drives, the graphics card, or the motherboard itself. The same tactics you used to clean the fans and the heat sink will also work for cleaning everything else. If you're just looking to give your desktop system a once-over, then I recommend that you use a combination of a vacuum hose and a compressed-air canister: Blow the dust out of the graphics card's fan and cooler, the motherboard, or the hard drives, and position the vacuum hose near the plume of ejected material so that it troubles your PC no more.
Giving the motherboard an alcohol bath.Giving the motherboard an alcohol bath.
And if you're truly hard-core, you can go for the nuclear bomb of cleaning: Remove all the parts from the motherboard (including the CPU, the RAM, all add-on cards, and the CMOS battery), remove the motherboard from the system, and then dunk it in a bath of 99 percent isopropyl alcohol.
No, I'm not crazy. The alcohol doesn't conduct electricity, and, more important, its speedy evaporation will assist you as you work toward eliminating each and every drop of liquid from the board's nooks and crannies before you reinstall it in the desktop. This method isn't for newbies, but it will definitely make the motherboard look as if it were brand-new. I don't recommend that you try to clean hard drives in a similar fashion, however--not all PC parts can survive such a plunge

Monday 18 April 2011

Advantages of a Hard Drive Scan and Repair Boot CD




Advantages of a Hard Drive Scan and Repair Boot CD

Repairing crashed computers can be a difficult job; whether you have all of the tools you need or not, dragging them around either on individual discs, portable hard drives or even USB sticks can still impact on the amount of time it takes to find the right utility and launch it.
What you need is an all-in-one live CD that can be used to repair hard disk drives, recover files and provide a general rescue to the damaged disk.
If you’re planning on building a hard drive scan and repair boot CD, have a look at these software suggestions for what you might include on it!

Live Boot CD

Advantages of a Hard Drive Scan and Repair Boot CDFor an all in one solution you could do a lot worse than Trinity Rescue Kit as the sole software on your hard drive scan and repair boot CD.
Among the features of this live CD  are tools to assist with the recovery and undeletion of files, recovery of lost disk partitions and the saving of data from soon-to-expire hard disk drives.
This is a very popular utility for IT professionals – the live CD is a stripped down Linux operating system that loads into your computer’s RAM, enabling you to make repairs and recover data without the OS being written to the hard disk drive.

Build Your Own Hard Drive Scan and Repair Boot CD

If you would prefer to build your own collection of software and utilities to be run from a bootable CD, you should include all of the top utilities that you have found for the various PC administration tasks that you perform.
For instance, you should have at least one anti-virus application, one anti-malware tool and some useful disk scanning software, such as WinDirStar in order to monitor exactly what data is where.
Additionally you should include some good quality recovery software such as TestDisk and PhotoRec – these open source tools can recover almost any data from any medium, and they certainly deserve a place on any scan and repair disc.
Finally, if you’re creating this disc for professional purposes don’t forget to include any utilities that you would be expected to use in such circumstances.

How to Compile the Boot CD

There are different methods available for compiling a boot CD. If you only want a CD that is bootable from within Windows – something that will autoplay – then you will be able to take advantage of software such as MagicISO or similar. All you would need to do then is copy all of your utility installers to the burn folder and create the disc.
If your intention is to create a fully bootable disc, however, you will need to take advantage of other software. One popular utility is BartPE, which will enable you to create a boot CD with hard drive scan and repair utilities included.



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