Clean it up \ performance issues
Performance issues? First, is it the computer or only the Internet that seems slow? If the Internet, see HiJacked? But if the computer in general is slow, try some of these, especially check for disk errors...
As with all of our suggestions, you apply these at your own risk. And as always, before doing anything major, BACKUP, BACKUP, BACKUP!
First thing: We refer to the Run Command, Command Prompt and Administrative Command Prompt. If you are not sure how to get there, see command.
From time to time it is a good idea to clean up your machine, but that does not mean going through and haphazardly deleting files or folders!
Drive activity light
Most computers have a drive activity light (small LED that flashes with disk activity). It's an indicator as to the current state of your computer. If that drive light is nearly solid all of the time, you may very well have a failing hard drive. See Checking for disk errors below. But a nearly solid drive light may also be indicating just that, the drive is busy doing something! See also our Locked up computer and Windows 10 update articles.
Odd performance issues
We have seen where McAfee is in process of system scan while you are using the computer. It should be scanning only when the computer is idle and it should detect you are using the computer then pause the scan, but it does not always do so. Worse of all, those surprise scans cannot be canceled! Nice move McAfee...
Using the Task Manager (Ctrl+Alt+Del), check for excessive CPU usage by the various processes.
Windows 7: Other than Idle process, if you have something using more than about 8-10%, do some research on it.
In the Task Manager
sort by CPU usage by clicking the CPU column header.
Windows 10 does not show system idle rather it shows nothing at
all so in Win10, look at the total CPU usage and if more than a few
percent, start researching.
From Microsoft, there are a bunch of system tools available. Of interest in performance issues may be Processes Explorer which breaks down the CPU usage further than the Task Manager shows.
Begin by looking in the Control Panel's Programs and Features. Look through the list and if you find applications, games, etc., you no longer use, select that item and then click the Remove/Uninstall button. But be sure to remove only what you no longer use. If you find items listed you are unsure of, search the Internet for that item and see what it is. Your option, but unless you specifically use them, we recommend uninstalling all Internet Explorer toolbars.
Crap/Junkware, Toolbars and Hijacked home pages
From the Run command, type %temp% then press Enter.
That opens the Windows temporary files folder. Press CTRL A to select all files. Hold the Shift key then press the Delete key. Notes:
- There will be some files you cannot delete as they're in use. You could delete those as well if you restart in the safe mode but probably not worth that effort.
- You may be prompted the folder will no longer be "shared" - YES, delete those too. There shouldn't be any shared folders in the temp folder.
- You may get a prompt you need higher permissions level to delete - CONTINUE, that stuff can go as well.
We have seen just a couple machines so far where the temp folder is full of folders, typically just a 3 or 4 character name, but hundreds of them. You delete all and they come right back after booting. We may have stumbled on some scheduled tasks causing this problem. Try deleting (or at least disabling) any computer and printer manufacturer tasks, but from there the only solution seems to be reinstall Windows from scratch.
From the Run command type cleanmgr then press Enter. If prompted, the drive of interest is "C:" and select the various cleanup options as desired...
Windows Vista/7/8/10 may offer to
cleanup all files on the computer, select that option.
When the cleanup manager opens, place a check mark in every option (except compress old files Windows XP - as that may actually slow the computer performance). Recycle folder is optional! We never empty ours...
Check for disk errors
It's a good idea to check the disk for errors, but don't get carried away. Run this check if the computer is running unusually slow and you have eliminated virus and software issues, or it has suddenly shut down due to a power outage or the like, or has been shocked, e.g., a laptop getting moved while running. And be aware, this check could take a couple of hours...
Simply type chkdsk /r (then enter) at the Administrative command prompt
- There is a space between chkdsk and the slash, but not between the slash and the r.
- If bad clusters are found, it could be an indication the drive is failing, but a couple bad clusters are not uncommon.
- If the process gets "stuck" be patient but if an hour goes by at the same percentage/cluster count or file count, you have a hard drive problem.
If the utility reports the disk is "raw"
and/or it will not execute,
try reissuing the command and rebooting.
If it fails a second time, these may be a bigger problem...
Start > Search "defrag" This too will take some time...
But with very fast CPUs and hard drives, this is simply not as necessary these days. Never defrag a solid state drive (SSD).
Run this if you are having odd problems with Windows. From the run command type sfc /scannow then press Enter. SFC Notes:
- To run this under Windows Vista/7/8 use the Administrative command prompt
- If problems are found, you may be prompted for a Microsoft Windows CD. Some manufacturers System Restore CD's like HP/Compaq, Sony and others will not work as they are part of a restore kit, they are not the needed Microsoft Windows OS disk. Do NOT run those CD's as they may restore to factory condition and you will lose everything.
Change the bandwidth settings to limited. 50k download and 50k upload:
In Window's system tray, right click Dropbox, click the "gear" then select preferences. In that window you will see the bandwidth options...
Turn off indexing
Another issue we see on occasion is the Windows Indexing is a bit to aggressive. More so on under Windows XP but possibly 7 and later.
While it makes for quicker local searches, the indexing could very well slow the computer a lot and our recommendation is to simply turn it off.
Windows 7 and later: Control Panel > Programs and Features > Windows Features and uncheck Indexing Service.
Turn off all those excessive social/Internet connections! See Settings/Privacy.
Try: Dism /Online /Cleanup-Image /RestoreHealth
at an Administrative command prompt