Laptop Basic Troubleshooting Guidelines-Section Two

Hardware Problems After Booting

If problems occur after the system has been running, and without your having made any hardware or software changes, a hardware fault possibly has occurred. Here is a list of items to check it that case:

*Try reinstalling the software that has crashed or refuses to run.
*Use the reset button to restart the computer. It might be recessed and require a paperclip or pen point on some models.
*Check for loose cable of ac adapter for laptop, a marginal power supply, or other random component failures.
*A transient voltage spike, power outage, or brownout might have occurred. Symptoms of voltage spikes inclued a flickering video display, unexpected system reboots, and the system not responding to user commands, Reload the software and try again.
*Try reseating the removable memory modules if installed.

Problems with Adapter Cards

Because laptops use PC Card and CardBus adapter cards,

Troubleshooting Laptop hardware problems can seem like a huge challenge, some components that can be easily removed and replaced , such as Dell 1520 LCD Back Cover. Others are not.Although these challenges makes laptop/ notebook problem solving and troubleshooting a bigger challenge tan for desktop systems ,you can still solve many hardware problems yourself by the techniques covered as below:

Reinstall or Replace?

When dealing with hardware problems, the first turth to understand is that we do not normally repair anything, we reinstall or replace it instead. Reinstall comes from the fact that many laptop hardware problems are due to particular component being improperly installed or confifured. I heard about that IBM many year ago that it had found 60% or more of the problems handled by service technicians were due to improper installation, meaning the hardware was not actually defective. This was in fact the major impetus behind the Plug and Play revolution, which has eliminated the

First of all,put the laptop upside down and Tighten all the screws down，Note the size and location of the screw，or the Screws may do not get stuck on or not come out.

There are several points that need to take note of，CD-ROM and hard disk have a screw fixed in the bottom，Must be screwed up first,the equipment can be drawn，Remove the laptop keyboard and the laptop hinge and the same way .

After the removable bottom of the screw,We return to the demolition of the front.Start with the keyboard, the keyboard bottom plate has two small pinch,Here is the key to dismantling the laptop keyboard, we need to use the flat screwdriver to pinch the internal pressure, we can separate the keyboard,pay attention to the keyboard data cable.Some

An understanding of the principles of liquid crystal display, people know that the LCD backlight from its internal CCFL (cold cathode fluorescent) lamps, LED lamp fluorescent principles very close to our common lights, in the long-term use,the phosphors on the lamp surface will gradually aging, both sides of the sublimation temperatures tungsten stimulating end and attached to the wall of the lamp, the phenomenon is demonstrated yellow color of the screen, the brightness is very low cold start, heat gradually brighter, and more. These symptoms occur when it is necessary for the laptop to replace the CCFL backlight.

Preparation

Buy a lamp is important in this hands-on among the different models of notebook backlight to only size difference, that is the same size of the notebook, CCFL lamp is basically a generic lamp can be in various sizes is very easy to buy, the price from a few dollars to tens of dollars.CCFL lamp quality of the imported goods better than a domestic level, Samsung

The Keyboard, pointing device, and display are in many ways the most important parts of a computer because they represent the human interface to the system.Unlike desktop systems, portables have keyboards intergrated into the one-piece unit. This makes them much more difficult to repair or replace, and you can’t switch keyboard models or types; you are stuck with the model that comes with the system. Because you can’t switch the built-in keyboard, the keyboard should be an important element of your system-purchasing decision when selecting a new laptop. Because manufactures are forced to modifify the standard 101-key desktop keyboard layout to fit in a smaller case, you’ll find a variety of different laylouts as well as significant differences in keybutton travel and feel among units.

The pointing device is also a prime consideration when purchasing a new laptop because it’s second only to the keyboard as a method of controlling or interacting with the system. I ‘ve seen laptop or notbook system that had

When I turn off my computer and switch it back on again it has lost the time and date settings and has also lost its BIOS so what could it be?

The motherboard on your Dell laptop has a small battery giving it the ability to hold this small amount of information when the computer has been shut down although if this battery has gone dead it will not be able to retain this information. With older computers it tends to be a bit more difficult as the battery is usually soldered on to the board it’s self, whereas with newer models they tend to have batteries similar to that in a watch. When changing your battery (if possible with out a Dell laptop repair technician i.e. you have a newer computer) it is very important for you to identify the exact battery you will require before installing it onto your laptop motherboard. It is fairly simple to replace the battery once

Dell RAM Replacement includes:

• Replacing bad RAM with the New Upgraded Part
• Final System Test and Diagnostics
• External Laptop Cleaning

Does your Dell laptop need a Memory upgrade?

Are you wondering why you need to upgrade your computer’s memory? The simple answer is that it will increase your computer’s applications. Do you ever realize how? Memory cards enable your computer to store data. With the upgrading of the memory in your Dell laptop you can store more information in it. Memory upgrading is the most cost-effective way of upgrading, as it gives the best benefit for the bucks.

Upgrading the memory would assist you not only in browsing the web, but also keep you happy with the performance when multi-tasking. With more memory, you can run more than one program at a time with greater efficiency. It is most useful in families where different members use

Installation of a new Dell optical drive , Dell Laptop Repairs are covered with 90 day Parts and Labor Warranty.

* CDRW / DVD+RW DL IDE – CALL for pricing
* CDRW / DVD+RW DL SATA – CALL for pricing

Dell Laptop Optical Drive Replacement Service includes:

* Replacing bad Dell Optical Drive with the new part.
* Battery Life – Charge and Hold Maintenance.
* Final System Test and Diagnostics.
* External Dell Laptop Cleaning.

Dell Hard Drive Replacement includes:

• Replacing bad HDD with the New Upgraded Part.
• Transferring Data from the old hard drive if Needed.
• OS Installation and Configuration if Needed.
• Final System Test and Diagnostics.
• External Dell Laptop Cleaning.

Studies show that today’s hard drives all perform about the same when running regular business applications, people who work with large images and digital video greatly benefit from speedy drives. In our tests with Adobe Photoshop, for example, a system fitted with the fastest drive completed a complex task (applying filters and rotating an image multiple times) almost 30 percent quicker than did the same system with the slowest drive installed.

The key features to look for when choosing a hard drive are Capacity, Rotational Speed, Interface,

Here are some tips and tricks for troubleshooting and fixing your Dell Laptop’s video problems. Video issues are very common within Dell notebook computers and with the following tips you should be able to detect and eliminate basic laptop video problems.

Dell Laptop LCD screen has a faint image or is very dark:

Look closely at your Dell Laptop‘s LCD screen, and see if you can see a very faint image. If you can then it is possible that the Laptop’s LCD lid close switch is stuck in the closed position. In this mode the backlight stays off, even with the LCD lid open. This is to conserve power when the laptop is ON with the LID closed. Check the LCD lid close switch. It is a small plastic pin located close to the back LCD hinges. Try tapping the lid switch a few times to see if you can turn on the screen backlight. If that does not help, then I would suggest to replace the FL inverter board.

Dell Laptop LCD screen is solid white colour or