The following is a list of how to fix a slow running computer:
Upgrade memory. As we have seen, many laptops and desktop computers have been sold with less than the optimal amount of memory in the past. Double the memory of a computer and it will run as good as new.
Upgrade HDD. New hard disks are always bigger and faster. But, before you upgrade your hard disk, make sure that the disk upgrade will make a difference.
Reinstall operating system. Reinstallation will always be helpful. If there is no fault with the hardware and everything is working good, then most likely, there is something wrong with the drivers, or there is a virus trace inside. In this case, a system reinstall or a system restore will make a big difference. Before you do a system restore, make sure to back up all data because it will be deleted.
If you have the Vista operating system on your computer, consider doubling the memory, by installing Windows XP or Windows 7.
For me, there is practically no difference between operating systems in terms of what they can do for the user who has simple requirements such as online browsing and office work. Windows XP still can usually do what is necessary for the average computer user.
There is a very high probability that this is a sign of a virus infection. If there is a lot of software installed, using Outlook for email, and do not have a reliable antivirus, then most likely this will be the sign of a virus. You must make sure this is a virus and confirm it by running an antivirus software. Every fault that you think might be on your computer should be confirmed without guess work.
Check the PSU on your desktop computer and the power adapter on your laptop. Are either of these hot? If the PSU on a desktop computer is hot, then it means there is not enough power to supply the computer with enough energy. On laptops, the tendency for the laptop to overheat will cause the power adaptor to become hot as well. Cleaning your laptop is the shortest and quickest way to solve many problems.
Slow performance can also be caused by faulty capacitors on the motherboard. This is a very common fault, and if you see one faulty capacitor, then most likely all the capacitors with the same capacity are not good enough because they came from the same batch.
If your computer has DDR memory, it is better to get a computer with at least DDR2 or DDR3. DDR1 is very slow compared to DDR2 or DDR3.
It is important to check that two or more of the modules matches the speed, capacity, and manufacturer. We have seen that frequently, systems do not like different RAM modules even if they are the same capacity.
The perfect match is when the modules match the PCB topology and have the same markings on the chips. This is when the latency difference is the smallest possible.
Check the temperatures on the motherboard. On a desktop computer, you need to open up the side panel. Make sure that it is not still under warranty. If you can’t hold your finger on the CPU heatsink, then you have found the fault.
Be careful do not touch the fan with your fingers. The fan will most likely not harm you, but this is always a safety concern.
On the surface of the laptop, it is fairly complicated, but if you look underneath the laptop, if the top area is very hot as well as the fan next to it, then most likely your laptop needs its heatsink plates cleaned.
Clean your desktop computer with compressed air from the can. I do not recommend cleaning your laptop heatsink with compressed air from the can because it pushes dust into one place, and this could force the fan to get stuck.
Consider buying a new system if your system can’t run Windows XP properly with 1 GB of RAM. There is probably a few components on the motherboard that are at the end of their life. Like those capacitors, Windows XP should run fast on any single core CPU 1 GHz or faster, and should run fast on any dual core CPU.
Sometimes, a good graphics card can increase your system speed noticeably. In reality though, it all depends on the graphics card and the particular computer system.
I will again repeat here that on laptops, the most likely faulty part would be the hard drive. Double check the hard drive even when all tests pass with no errors. You can check the hard drive on HP laptops with inbuilt hard drive check capability. But, the most reliable method is to take it out, connect it as an external drive and check it with GSmartControl.
Pay attention to any sounds that comes from the hard drive. The proper hard drive sound will be somewhat similar to a shooting sound. Then it will read and write the data easily. If there is a scraping sound, then it is better to replace the hard drive.
If your laptop gets hot after you watch movies or YouTube videos, then it probably needs a good cleaning inside. This also can be a widely known nVidia fault with an overheating graphics chip.
Apple MacBooks tend to be hotter than usual. This is probably done to make the laptop quiet compared to other manufacturer laptops. In the result, the underneath of the laptop gets extremely hot even when there is no fault at all. Recommendations to fix this are to install FanControl.
Install this on the Mac OS X and leave it with default settings. It will do the job perfectly.
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