Computer and Laptop repairs East London

                   

London Computer Repairs

London Laptop Repairs

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    Motherboard Repair specialists

Did you know...  www.PcCallout.co.uk was the first website on the internet for computer and laptop callout and  repairs? If we cannot help you with our free advice you can always bring your computer in to us.

Does your computer boot up? If your computer does not boot up the usual problem is the power supply. This is a very easy part to replace. Just go to Maplins and buy a power supply that has the same watts as yours and fit it exactly the same way as you take the old power supply out. if this does not work then maybe your hard drive has a problem. Does it tick? If it does it needs replacing give us a call and we will give you free advice on how to repair your computer. We will not charge you !!!

For Laptop Repairs click here

        

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                          in laymen's terms

A hard disk in your laptop is like a cassette tape that you had songs on in the old days. For those who need a bit more help and understanding i will put in layman terms. A hard disk is like a big cupboard. Where do you keep all your paper files at home? In a desk or drawer , or even a cupboard. Some cupboards are big and some cupboards are small. One cupboard maybe 2 foot another maybe 8 foot in size.  its the same with a hard disk drive. A hard disk drive can be 200 gigabytes or 800 gigabytes. Actually a hard disk is similar to a cd rom only a hard disk is very dense and can hold more data. 

   

Data are like bits of information computerized information.  This can be letters ,images and so on. All these images and documents are stored by the laptop on the hard disk. Inside the hard disk is what looks like 2 cd roms. They are half the size of a cd like the ones you play on your music player and Hifi.  Data on the hard disk can be lost just like in the real world you can lose your paper files , therefore its good to make copies. A laptop computer stores files in bytes.  You might store files in A4 or A3 documents. 1 megabyte is 1024 kilobytes.  1000 megabytes equals 1 gigabyte .  Usually a hard disk on a laptop will be between 80 gigabytes and 500 gigabytes.  Hard disks just like cupboards can be broken.  A hard disk will usually last 4 years.  Some hard disks can last up to 10 years.  What makes a hard drive last longer its if you don't knock the laptop around.

Graphics cards

The graphics card puts an image on your laptop screen. The processor says to the graphics card “quick need an image on screen” or something like this… the graphics card then works out the size of the image whether its in 3d how many pixels used, if it needs shading and lighting affects and so on. It paints an image the same as you would. First it draws a matchstick frame then fills in the colours. Th graphics card on a laptop gets piping hot. In fact the reason laptops break the most is because of graphics cards.

 Look at the chip with the number 2 on it. This is the graphics card.

The main reason for motherboards dying is because unlike memory and hard disks that can be replaced, graphic cards usually are moulded to the board when it was made and therefore cannot be removed. Also companies that make graphics cards are under pressure from large laptop companies. For example the big branded laptop company says we want to make a thin laptop will your graphics card and cooler fan allow us to build this thin laptop, or will the fan and graphics chip be thin enough to fit inside our new super thin laptop. The graphics card company now is scared to say no or the company will take on a different graphics card. So graphics cards really need a better cooling system they get way too hot. Buying an air can and blowing out dust that clogs up the vents is really the answer to fix this big problem.

 

 


 

 

 

 

 

Computer not booting up? give us a call today.

 

 

 

Computer repairs and laptop repair service.

 

 

COMPUTER REPAIRS BETHNAL GREEN BOW AND MILE END REPAIR SERVICE.

 

* All repairs  come with the standard 90 days warranty . Warranty does not cover for drops spills or breakages.

 

INTEGRATED CIRCUIT REPAIRS. COMPONENT LEVEL REPAIR SPECIALISTS. ON EVERY MAKE AND EVERY MODEL ON THE MARKET

 

 

We offer a premier Laptop callout service. Our aim is to be the quickest and courteous company for Laptop repairs  in London . If you need  pc repairs and you live or work in London why not give us a call.

Sony vaio boot up problems, Acer broken power pin repairs, Hp power connector repairs, dell laptop repairs, Evesham laptop repairs, rock laptop repairs, advent laptop repairs, Packard bell laptop repairs.

                                                                  

 

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        07951581443

  

 

PC CALLOUT UK

Pc Memory

Memory inside a computer is like extra hands that move information around the computer.  The memory stores each bit of data in a capacitor within an integrated circuit. Only one transistor and a capacitor are needed per bit of information. Memory are like small drawers that move out of a cupboard and send files where needed.

Lets imagine you click on a picture to view it. The picture may be 30 megabytes. So the mouse clicks the image, the software tells the processor that the image on the hard disk needs to be opened, so  the chipset then says to the processor tell the graphics card to send data to the screen the data now needs to be expanded because you clicked on it. So the data needs to travel between processor memory graphics card and the bus or the (roads) on the motherboard.

The processor may be pushing the information very quickly to produce the image but on this laptop because there is only 1 gig of random access memory or ram, the image is taking its time to be produced on the screen. so you wait for it to be opened. zzzzzzz  However on your friends laptop he has 4 gigs of ram. Extra hands !!!  Now things are going to really move fast. If you ever think of what memory does just think of it as an extra pair of hands. Instead of emptying the cupboard in 4 minutes you empty it in 1 minute. Increasing memory is the best way to speed up a laptop.  Its also the cheapest. Some have mistakenly thought that increasing the size of the hard disk or processor will be the best way to speed up a laptop, ….no way. The best way to speed up a laptop and the cheapest way is to upgrade your ram ( Random access memory).