Question about HP Pavilion 504n (DA190A#ABA) PC Desktop
Make sure that all of your internal fans are running. Power up the computer with the case open (just take the side panel off). As I am sure you have seen from making upgrades, there is a fan over your processor on the motherboard. Make sure it is spinning. Also look on the back and make sure the fan on the power supply is running. These fans may need to be cleaned. This can be done using a spray can of compressed air (it is recommend to clean the dust out of a computer at least once a year). The fans may just be gunked up and not running properly. If there are smokers in the house, do not let them smoke around the computer as the tar in the cigarette can build up over time on the fans and computer components and cause some major problems. If cigarette tar is the issue then clean the fan blades off with a q-tip. If the fans still do not work they may need to be replaced. Some computer stores sell fans that will work for your current model of heat sink, which sits above your processor. If the power supply fan is not working then you need to replace the power supply. If the powersupply needs to be replaced then make sure to match the wattage of the new power supply to the one you currently have. You may buy a power supply with a higher wattage rating as well, just make sure it will fit!
I have assumed that the problem is with heating because you said that things were running like loading a page or when a screen saver was running. These processes make your processor work harder and it builds up more heat and can cause your system to freeze by causing writing errors to and from RAM.
There is a slight possibility that this could be software related. If the computer fans are running then run an antivirus program to make sure that there are no viruses on the computer.
I sure hopes this helps. If you still have problems, then let me know and there may be some other steps we can try.
Posted on Sep 20, 2008
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Posted on Jan 02, 2017
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There are some basic steps that you can take to make sure that your wireless keyboard and mouse have the best chances of working.
First and foremost, replace your batteries.
This is the leading cause of failure. Strong batteries are vital if your wireless keyboard and mouse, including Microsoft, Logitech, and other brands, are to work correctly.
Weak batteries can be frustrating to deal with. Sometimes the mouse or keyboard will work fine, and sometimes they start acting odd.
This is where the jerky and slow motion problems can show up. The problem is that Alkaline batteries can provide plenty of energy at first, even if they are worn down.
After a few minutes or hours of use, however, they lose their capacity and the jerky problems can start up. You may even deal with it, then walk away from the computer for the rest of the day (such as leaving your office).
While you are gone, the batteries regain some of their capacity. The cycle repeats itself until eventually the keyboard or mouse do not work at all.
Another common problem is that the receiver for the wireless keyboard or mouse can be too far away for them to work. I have personally seen cases where the mouse works if used on one side of the mouse pad, and not the other.
This was due to the distance of the mouse from the receiver being too great when on the far side of the mouse pad.
The same can be true of a keyboard.
This will also cause the same jerky motions to a mouse, and missed keys on a keyboard.
The solution to this problem is to move the receiver closer to the keyboard and mouse. If the receiver is of the USB fob type (similar in shape to a USB memory stick) then you can buy a USB extension cable and place the fob closer.
Perhaps placing it next to the monitor would work best. If the receiver has a tendency to fall behind your desk, a small, clear piece of scotch tape will hold it down, and will be one hundred percent removable if you decide to move it later.
If your wireless keyboard or mouse have a desktop receiver, try moving it a little closer.
You may also need to press the "connect" buttons on the receiver and also underneath the keyboard and mouse.
If they have an on/off switch you should turn them on and off.
Hopefully this article will help you to fix your Microsoft wireless keyboard and mouse slow, **** or lockup problems.
If not, check with the technical support and Frequently Asked Questions sections of your manufacturer's support website.
hope this helps
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