Check Computer Memory Problems Using Windows Memory Diagnostics Tool

It is always better check for any possible memory defects on your computers and laptops before showing Random Access Memory error symptoms. Windows has an inbuilt tool to detect any possible RAM issues on your computer. This inbuilt device is called Windows Memory Diagnostic Tool. It checks for possible Random Access Memory problems on your computer and which will help you to report the issue successfully to hardware manufacturers. In case if Windows detects any issues with RAM while running, it will automatically open Memory Diagnostic Tool and let the user to run it. You can also run this feature manually to ensure there is no problems with RAM modules on your PC.

How to Start Windows Memory Diagnostic Tool Manually

To run this feature manually to check possible RAM problems on your computer, follow the steps below.
  1. Go to Control Panel and select view by large icons

  2. Click Administrative Tool
    Check your system for any possible buffering problems

  3. Click Windows Memory Diagnostic
    Windows Diagnostic tool

  4. Double Click on it and now you will get an option to run Windows Diagnostic Tool to check for your computer RAM problems.
    Procedure to Open Microsoft Inbuilt tool

    1. Click Restart now and check for problems to start Windows Memory Diagnostic tool and check for issues with RAM on your computer. It may take a few minutes to complete the procedure and ensure that you have saved all current works on your computer.

    2. Click Check for problems the next time I start my computer if you do not have enough time to run the diagnostic tool now. Next time when you start your computer, it will start automatically.

Running Diagnostic Tool On Your Laptop

Windows Diagnostic Tool check RAM by two phase test. It may take a little bit time to complete the entire procedure and you will be notified in case OS detects any issues.
  1. Click F1 to get options and [Esc] to cancel the procedure.
    How do you know if your laptop has RAM problems

  2. In options you can set the tool to run in three different modes.
    i. Basic Memory Check
    ii. Standard Memory Check
    iii. Extended Memory check
    Check any RAM errors on your laptop

    Select the mode you want to check for memory errors and click [F10] to apply it.

By Windows Diagnostic tool we can test any possible memory corruption on a computer. What we will do in case we face issues with data stored on a disc ? In that case we may follow the steps provided in the link below.
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Check Computer Performance Using Windows Performance Monitor

I am sure you are interested to check how the software programs installed affect the overall performance of your computer. We can check it without installing any third party tools. You can check your computer real time performance using default Windows Performance Monitor. You can also check the past performance by checking its log details. This tutorial tells how to open Windows Performance Monitor and get log files to check current and past computer performance. It is one of the handy tools which helps a technician to understand your PC better once it is under servicing. This log file tells the activities of installed applications including past failures.

Open Windows Performance Monitor On Your Computer

To start this feature on your PC, follow the instructions provided below.
  1. Click Start and Go to Control Panel

  2. Click Administrative Tools
    How to check system activities

  3. Click Performance Monitor
    checker

  4. Select Performance Monitor from left hand menu
    Open efficiency

    Now you can view your computer's efficiency graph.
    analyze

As the name suggests Performance Monitor helps us to monitor and understand the productivity and efficiency of your laptop by checking how the programs run affect the total working. This tool helps us to analyze the computer productivity both in real time and by checking log of past events.This tool is handy when you add a new hardware or software to your PC. We can check how it affect's overall activities of your PC.

In many cases like malware infection you may be prevented from accessing Performance Monitor by disabling control panel access on your laptop. You may be blocked from accessing the tool even if you have removed the infection. It is due to the changes made by the malware on your PC while it was infected. In that cases you may want to follow the instructions provided in the link below.
Prevented From Accessing Control Panel On a PC

If you want to analyze its log files to check the efficiency problems of your computer, you can use a tool called Performance Analysis of Logs (PAL) Tool. It gives details in Graphical user Interface in an easy to understand way. This standalone tool can be installed on our PCs. It is a Microsoft tool and we can download it from their website. To learn more about this tool and download, visit the link below.
http://go.microsoft.com/fwlink/?linkid=98098

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Tell Packets to Don't Fragment While in Ping Test (ping -f)

While in Ping test if the packet size is higher than the size your network can handle, it will be fragmented and reassembled at receiver. So even if the packet size we specified is invalid, we will get reply from the destination. This situation is not good because it fails the actual objective of the ping by giving reply from destination though the packets we send are having invalid size. So it is important to disable fragmentation of packets send from your computer to ensure you are using optimum packet size. We can use ping -f syntax to stop fragmentation of ping packets.


How to Stop Ping Packet Fragmentation

Let us explain it by an example. Here we send packets to global DNS address with size 1480 bytes. See the difference with and without the ping syntax -f. By using this syntax, we prevent the packets from dividing and try to reach the destination address with actual size. To change the original packet size, you must use another ping syntax -l. Use of this syntax is explained at the end of the guide.
result

When we use the -f ping syntax, we received error message Packet Needs To Be Fragmented But DF Set instead of valid reply from the destination. Without -f syntax the packet is fragmented and reassembled at destination.

So now onwards in case if you want to send a packet to destination without fragmenting it, you must use the ping syntax ping -f. the same syntax helps you to find the optimum MTU size of your network. To learn more about this, visit the link below.
Ping Test to Determine Correct MTU Size of a Network

We must understand the use of each and every symbols we use in this command to learn its working. In this ping test you may note the use of another ping syntax -l. To learn more about it, visit the link below.
Use -l to Change Default Ping Packet Size

Technology Tips

Remove a Following Blog From Blogger Reading List to Stop Receiving Updates

Blogger has a feature to subscribe all our favorite blogs by adding them to blogger reading list. From it, we can read the feeds of our favorite blogs which we subscribed. Tastes of people changes over time and that applies to reading too. In case if you feel you have added too many in reading list or certain blogs are no longer your favorite blogs, you have the option to unfollow them. This guide tells you how to unfollow an already added entry in your blogger reading list.


How to Stop Following a Blog In Blogger Reading List
  1. Login to your account and click on settings wheel(gear wheel) opposite to Reading list
    Stop getting updates from unwanted websites

  2. Now you will be redirected to a page where you can manage all the blogs you have added. Here if you want to add a new entry, you can simply use the Add button and enter the domain name or feed address.
    Steps to delete unwanted domain from feeds

    Click on settings link opposite to the blog you want to delete.

  3. Select the account you have used.
    Avoid a site I have subscribed

  4. You may be asked to re-enter your password to proceed further.
    Alex Kureekkattu - Siju George

  5. Click on settings link opposite to the blog you want to stop following
    Stop seeing updates from websites you don't

    Click on Stop following this site link to unfollow the blog.

  6. You want to confirm the action to stop following the website/ blog.
    unfollow a website

    Click on Stop Following button to completely unfollow the blog.
Now onwards you will not get updates from the removed blog on blogger reading list. It will be disappeared from the list you have subscribed. There is no restrictions to add the same domain to your blogger reading list in future if you feel you want to subscribe it again. Better practice is to limit the number of domains you are following to make sure you can follow their updates properly. If you are following too many domains, you may not find enough time to read the latest story from all of them and gradually loose interest. So it is better keep the list short.

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Packet Needs To Be Fragmented But DF Set -Reason and Solution

While testing the correct MTU size of your current network, sometimes you may receive the error message "Packet needs to be fragmented but DF set". In this tutorial let us check the reason and solution for this error message. If the MTU size you have set on ping test is too high, you will get this message. Let us check this by an example. Here I am testing whether the MTU value 1480 is the proper value for my network. The ping command to perform this test is:

ping www.corenetworkz.com -f -l 1480

  1. Here www.corenetworkz.com is the ping test destination

  2. -l is used to switch the default ping packet size. You can learn more about it by following the link below.
    Use -l to Change Default Ping Packet Size

  3. -f ensures the packets send are not fragmented.


See the test result below.
Packet needs to be fragmented but DF set


Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\sijugk>ping www.corenetworkz.com -f -l 1480

Pinging ghs.l.google.com [74.125.200.121] with 1480 bytes of data:
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.

Ping statistics for 74.125.200.121:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Users\sijugk>


Reasons for the Message Packet needs to be fragmented but DF set

If the packet size you have entered is too high for your network, you will get the message Packet needs to be fragmented but DF set.

Solve the Error Packet needs to be fragmented but DF set

In order to solve the error Packet needs to be fragmented but DF set, visit the link below and follow the steps mentioned on the tutorial.
Testing Proper MTU Size Of Your Network

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Refers to Location That is Unavailable. It Could be On Hard Drive On Computer

Today after connecting my USB drive to my computer I faced issues with accessing files stored in it. I received an error message while trying to access it "I:\ refers to a location that is unavailable. It could be on a hard drive on this computer, or on a network. Check to make sure that the disk is properly inserted, or that you are connected to the Internet or your network, and then try again. If it still cannot be located, the information might have been moved to a different location. " If you ever receive this message while accessing the USB storage connected to your PC, you can follow the steps below to resolve this issue and access the information stored in it.

Disconnect and Reconnect Drive

If you receive the error message I:\ refers to a location that is unavailable. It could be on a hard drive on this computer, or on a network." while accessing a USB storage device connected to your laptop, first troubleshooting step is to disconnect the drive and reconnect. If the issue persists, follow other solutions provided in the tutorial.

Solve Drive Location Unavailable by Changing Drive Letter & Path

  1. Go to Control and click on Administrative Tools

  2. Double click on Computer Management and open Storage

  3. Open disk management to go to Computer Management

  4. Right Click on the USB drive (which you cannot access) and click on Change Drive Letter and Paths
    Refers to a Location That is Unavailabl

  5. Click on Change button
    Change DDR letter

  6. Select a different letter for the USB drive
    Not getting files
In most cases you will not see the error message "I:\ refers to a location that is unavailable. It could be on a hard drive on this computer, or on a network. Check to make sure that the disk is properly inserted, or that you are connected to the Internet or your network, and then try again. If it still cannot be located, the information might have been moved to a different location. " after changing the drive letter. In case the issue is not resolved we should ensure the ownership of it. If the current user is not the owner, we must assign ownership of the storage device to current user. Assign the Current User Account as Owner of the Drive By assigning the current User Account as the owner, we will eliminate any chances of restrictions on accessing the information stored in it.
  1. Type diskmgmt.msc on Windows search and right click on Disk Management icon and select run as administrator.
    Laptop and flash memory

  2. Right click on the Drive and select properties
    properties

  3. Select Security tab and click on Advanced button
    change ownership

  4. Click on Owner tab
    Refers to Location That is Unavailable

    By pressing edit button we can change the ownership details of the drive.
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Change Laptop Low & Critical Battery Levels With New Power Plan

We are familiar with the low battery level alert on our laptops when the charge level reaches a particular limit. This critical level is set by the Operating system by default. If you feel the limit set on your laptop is too low or high, we can change the default value which initiates low battery alerts. Setting low battery level too low may not give you enough time to connect your laptop to power plug before initiating critical level action. Setting high level too will not help you. So it is better keep the low charge level the optimum in your ease. Second part of this tutorial explains how to create a new power plan with the custom settings.

Steps to Reduce or Increase Default Laptop Low Battery Level

To reduce or increase the default value set, follow the steps below.
  1. Go to Control panel and click on Power Options
    Change

    Make sure you set the Control Panel items view by large icons.

  2. Click on change plan settings near the power plan selected on your laptop.
    alert

  3. Click on Change advanced power settings
    How to reduce low

  4. Click on low batter level and select the On Battery(%) by clicking on it.
    Lower

    After changing the percentage level here, you must click on apply.

How to Change Critical Battery Level

To change the laptop critical charge limit, follow steps 1,2 and 3. Then select critical battery level and change the value set on On Battery(%).
change critical value

When the charge meets the critical limit set on your laptop, critical battery level action initiates. It is important to note that the changes you have made on critical and Low Battery Levels are valid only for the currently selected  plan. If you activate any other power plan, you must repeat the same steps on there too. Many users make the mistake of setting the custom changes there and wonder why it is not working. So it is very important to select the currently using power plan.


How to Create Custom Power Plan and Settings

By default your laptop has three power plans Balanced, high performance and Power saver. For the optimum performance of your laptop it is recommended to select Balanced plan. High performance power plan let your laptop works in best performance but it drains more energy from your laptop battery. However, if you are not in a position to charge your laptop battery soon, it is better save the maximum possible charge. So Power saver would be the best option for you. In case if you are not happy with these three default plans, you can create a custom plan for your laptop by your self. While creating your custom energy plan, you can specify the timing of Dim the light, Turn off the display, time to sleep etc according to your criteria.
  1. Click on Start
  2. Select Control Panel
  3. Click on Power Options
    meter
  4. Click on Create a Power Plan:

    Now you will see an option to pick one of the three options available.
    How to create a energy plan

    These options are:
    • Balanced
    • Power Saver
    • High performance
    After selecting the best suited option, you should give a name to your custom plan and click on next.
    Create a new option

  5. Choose the Sleep and Display settings:

    Here we can choose the sleep and display settings for the new plan. After choosing the settings click on Create.
    Change display, sleep, dim light settings in battery meter

    Now your laptop battery meter automatically select the new custom preference.

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