Monitor disk performance Windows 7

If your computer overall performance is degrading and you suspect that one of your hard drives is the cause then you need a tool that helps you monitor the performance of your hard drives. Windows 7 in-built Performance Monitor helps you identify bottlenecks and can be used to monitor disk performance.

Before proceeding further, I recommend you to log and receive reports about monitored computers. PC Spy Monitor secretly logs all keystrokes, web sites, emails, chats & IMs. Takes screen snapshots at every X seconds like a surveillance camera. Displays exact activities, like MySpace, Facebook, online searches & shopping, file transfers and web-mails. Perfect for catching cheaters, monitoring employees, children and spouse, chat records and websites visited, and even investigating crimes. You  can download this software and take a trial before order to make sure it works for you.

You will be able to identify and fix generic Windows errors. If you still need help, here’s a detailed walk-through for Windows 7:

  1. Go to Start, All Programs, Administrative Tools and open Performance Monitor;
  2. In Performance Monitor, select Performance Monitor under Monitoring Tools and click the Add button (the green + symbol);
  3. Ensure that Local Computer is selected in the Select counters from computer: drop-down list;
  4. Select the Show description check box;
  5. Select any counters currently listed in the Added counters pane if any and click Remove;
  6. In the Available counters selection pane, find and expand (double-click) LogicalDisk and select % Free Space;
  7. In the Instances of selected object: pane, select C: (or any other drive), as shown below:
    Disk Performance Monitor
    The LogicalDisk\% Free Space counter measures the percentage of free space on the selected logical disk drive. If this falls below 15 percent, you risk running out of free space for the operating system to store critical files;
  8. Click Add to add this counter;
  9. In the Available counters selection pane, find and expand (double-click) PhysicalDisk and select % Idle time. In the Instances of dialog box pane, select C: (or any other disk) – This counter measures the percentage of time the disk was idle during the sample interval. If this value falls below 20 percent, the disk system is said to be saturated and you should consider installing a faster disk system;
  10. Click Add to add this counter;
  11. Click ok and check the graph.

You can use the same technique to add instances of the following counters:

  • PhysicalDisk\Avg Disk Sec/Read – This counter measures the average time in seconds to read data from the disk. If the value is larger than 25 ms, the disk system is experiencing latency (delay) when reading from the disk. In this case consider installing a faster disk system.
  • PhysicalDisk\Avg Disk Sec/Write – This counter measure the average time in seconds to write data t o the disk. If the value is larger than 25ms, the disk system is experiencing latency (delay) when writing to disk. In this case, consider installing a faster disk system.
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