So if you have the latest device driver and still have problems, consider trying the previous versions.Īlso check you video hardware acceleration is turned on from the Windows, “display properties” dialog and in DirectX (use Dxdiag.exe for this).
#Low cpu usage but slow computer drivers#
Video device drivers are complicated pieces of software and as a result it is very common that they are buggy or unreliable.
Then check you have the current copy of DirectX. Make sure you have the latest copy of the device driver for your video card. Windows has a build in disk defragmenter. But as files on the hard disk are updated, deleted and created, they become fragmented. In some cases of bad infections however it might be quicker, safer and more effective just to reformat the hard disk and re-install the compete operating system.Ī fragmented disk is causing slow disk access.įiles can be written and read from the disk faster if they are stored in a continuous sequence of bytes on the disk. Get a good antivirus and anti-spyware scanning program. Spyware & Viruses and other mal-ware are running on your PC using up CPU time, RAM & network bandwidth. Rather is intended to be a short list of things that you can research and check. This is not intended to be step by step guide for such things as re-installing your O/S or changing BIOS settings, as that would extend over many many pages. Note that we are not attempted to cover the other common question of 'why is my PC crashing', in this article but some of these solutions might also help with crashing issues. As many people have been running our benchmark and asking us to explain why their PC is slow we have written this article to try and help them find the cause and fix it.