For the second time in the last week, I have been contacted with a problem of the following nature: "After cleaning the computer does not turn on", to be more precise, it stops starting - the system unit itself turns on, the coolers work, but the signal does not go to the monitor. The reason in both cases was the same.
This is what an AMD processor looks like:
Another perspective:
Bottom of AMD processor As you can see, the reverse side of the processor is represented by contacts in the form of "antennae" or "legs".
In both cases, the user independently cleaned the dust and removed the heatsink from the motherboard. At the same time, the processor due to the old thermal paste stuck to the radiator of the cooling system.
The following picture turned out:
In this case, you MUST separate the processor from the heatsink... As you may have guessed, they did not do this, but tried to insert them back.
This is difficult to do because it is not visible if you are inserting the processor correctly into the socket of the motherboard. (But there are more than a thousand contacts on the processor, a couple will still fall by).
If it doesn't fit, then you can push harder. In the worst case, when the user is especially active, it turns out like this:
The reason the computer stopped turning on was the crumpled feet of the processor.
I was lucky because there were few bent legs (from 5 to 15). He carefully straightened them with a needle, inserted the processor into the socket, and then the computer started working again.
Experts advise detach processor stuck to the heatsink with alcohol. Like dried thermal paste softens and it becomes easier to break them apart. I did it with a screwdriver, using it as a lever (hello Archimedes!). Still, the processor is quite solid and difficult to break.
Run your computer neatly, or rather entrust someone who understands this better than you
If your laptop does not start after cleaning, then I advise you to do the first things rewind strips of RAM (random access memory). Usually, all this is limited. If there are no changes, then something was not collected before. Check more carefully
Many computer users, noticing a noticeable decrease in performance, open the system unit and are horrified by the presence of a mass of dust on the system elements. This is followed by self-cleaning of dusty components. However, they do not hesitate to use a vacuum cleaner to remove dust. Then, it seems that you just need to turn on the computer and continue working at the PC, but the digital friend refuses to start. is a fairly common problem.
Why is independence sometimes harmful?
Cleaning your PC from dust is not an easy task, as it might seem at first glance. It would seem that what could be easier than ordinary computer care? However, the answer to this question is not so obvious. If you look at the system unit and its components from the outside, as at a closed box, then the dust that has settled on its surfaces can be removed with a vacuum cleaner.
However, keep in mind that cleaning takes place on the surfaces of the digital device, which build up a static charge. Therefore, it is not enough to remove dust from these surfaces. You also need to wipe the case with a damp cloth moistened with an antistatic solution. When it comes to the internal elements of the system unit, then removing dust with a vacuum cleaner is out of the question. Here you will need the help of a specialist, otherwise the manifestation of excessive independence can turn into a collapse of the system.
Preventive maintenance
Bring it to us at SoftCompService - we will quickly deal with this problem. It must be remembered that the removal of this unpleasant substance is part of a whole range of preventive maintenance measures.
- Cleaning the system unit from dust and dirt.
- Cleaning oxidized contacts.
- Removal of static charge from computer components and from the surface of its system unit.
- Monitor maintenance.
This is just a small part of the work that the specialists of our center carry out when prevention is needed. At the same time, we do not clean the internal components with a vacuum cleaner, but with the help of compressed air cans. Our experts have knowledge of how to remove excess static charge from computer components so that this substance does not cause damage to PC components.
Corroded contacts are a big problem for the computer. They are also subject to prevention, otherwise they will soon cause the failure of many elements. It must be remembered that even a slight touch of the hand to the contact on the motherboard can cause oxidation of this contact due to the moisture that has accumulated on the hand.
Overheating problems
Periodic cleaning of the system from accumulating debris can not only improve the performance of your computer. This and other preventive procedures will avoid problems with overheating of the system and its parts. Excessive heating is the reason for the rapid aging of parts and their failure.
Each microcomputer is designed to operate at room temperature. If the ambient temperature rises above 29.5 degrees, then there is a threat of overheating. The same problem occurs in high humidity conditions. Therefore, in order to safely solve this problem, the user must exclude any negligence in relation to his digital pet.
Timely cleaning from dust and other types of prophylaxis carried out by a specialist of the "SoftCompService" center is a guarantee of the correct functioning of the computer. The computer does not turn on after cleaning from dust - this phrase will be completely excluded if you contact our masters for timely help.
A personal computer, like any other device, requires regular care and cleaning. This includes wiping the monitor with special napkins, disassembling the keyboard, and, of course, cleaning the system unit from dust. The last step will be discussed in this article, since inept and careless handling of the insides of a computer can have unpleasant consequences.
Cleaning your computer from dust
First you need to completely shut down your computer. After it turns off and finishes its work, you need to turn off the network that feeds it and turn your attention to the system unit - on the back there is a small "on / off" button, it must be turned off. Now you should carefully disconnect all the wires from the sockets (the cable from the monitor is usually screwed with bolts located on the plug) and move the unit to a place with a lot of free space.
To gain access to the insides of the system unit, you must first unscrew one of its side walls. Inside there is a board with modules and fans installed on it. Dust cleaning is best done with a large brush and low power vacuum cleaner.
ATTENTION:while cleaning the system unit, in no case should the working vacuum cleaner be brought too close to the microcircuits - this can cause mechanical damage to the board or one of the parts. The dust is whipped upward with a brush or a strong blow, and from the air it is sucked out by a vacuum cleaner.
For a more thorough cleaning, you can unscrew / detach some elements from the board (but only on condition that the user is confident that he can put them back) and blow them from all sides.
After complete cleaning of all parts of the system unit from dust, it must be assembled and put in place, repeating all the steps in the reverse order - screw the cover, put it in place, connect the wires, turn the button to the "on" position, start the computer.
If after this procedure any problems arose with the operation of the system, it means that an error was made in the assembly of the components of the system unit.
Computer monitor cable check
If the monitor does not turn on when the computer starts, but operation sounds are present, the monitor cable may have become unusable. It is he who serves as an intermediary between the video card located on the motherboard and the monitor itself. These cables are divided into three types:
- VGA is the oldest and simplest type and is secured with a trapezoidal ledge and a pair of bolts. Typically blue forks.
- DVI is a newer type, but very similar to the previous one. The transition from one to another is carried out using an adapter.
- HDMI is a cable for modern monitors. His fork is already smaller, and there are no bolts.
Most modern monitors provide the ability to connect all types of cables, that is, the choice of the connection type is important only for quality. To check if the cable is working, you can try to connect the system unit to the TV - if it shows, then the problem is in the monitor itself, if not, it is the cable that is to blame.
IMPORTANT! Sometimes the cause of the problem is the insufficiently tight insertion of the cable into the socket of the system unit or monitor.
If the system unit does not show signs of life at startup, then its own power cable that connects to the network may be to blame. It should be tested on another computer, if possible.
Reset BIOS settings
BIOS is a kind of tool for managing the operation of a number of functions on a computer. In some situations, its incorrect settings may cause no display of the image on the screen. To restore this feature, you will need to reset the BIOS settings.
To do this, you will again need to disassemble the system unit (using the instructions above) and find there a coin-cell battery located on the motherboard - the diagram on which most of the wire slots are located. Next to this battery there is an inscription CLR_BIOS and a small jumper located in position 2-3. The jumper must be removed and put on the adjacent contact so that it is in position 1-2. After ten seconds, put everything back in place - the BIOS is restarted.
Burned out video card
This option should be considered after all the others, since video cards rarely burn out, and they do it imperceptibly even less often. To check a discrete video card (one that can be replaced without replacing the motherboard), it is enough to disconnect it and install another, working one. The discrete graphics card is removed from the motherboard socket. You can find out that this microcircuit is exactly a video card by the sockets that include the cable from the monitor.
If the video card is built-in, then you have to borrow a discrete video card somewhere and install it in your motherboard for testing. Installing a discrete graphics card requires no supernatural effort; it just needs to be installed in the dedicated slot on the motherboard. To do this, you need to find a slot suitable for the video card contacts (95% use the same fasteners), bend the fixing cap, and insert it until it clicks, while the cap will close on its own. The computer itself will determine the desired video card.
Problem with drivers and operating system
If, after checking with the working parts, the screen still does not want to turn on, then you need to turn to the drivers. Incorrectly installed drivers can slow down the system, or even prevent the computer from working. If after starting nothing appears at all, then it is better to take the computer to a service center.
If after starting the inscriptions appear on the black screen, but then nothing happens, then you can try to reinstall the drivers. To do this, immediately after starting, you need to press F8 until options for action appear. You need to select "Safe Mode" or "Load Last Known Good Configuration".
After starting the PC, you need to go to "Start" - "All Programs" - "Standard" - "System Tools" - "System Restore". In the window that opens, click "Select point ...". A menu will open where you should select a date at least a day earlier than the moment when the wrong drivers were installed (when the computer was working normally). This will not affect photos, videos, computer games, etc., it will only affect drivers and system components. After choosing, it remains only to wait for the system to recover.
ATTENTION:if none of the solutions to the problem presented here helped, or you simply do not have the desire to poke around in the computer yourself, there is a fear of breaking something - the device must be taken to a service center. Knowledgeable people work there to help solve the problem and pinpoint the breakdown.