Delete System Memory Dump and Cache Files
Memory dumps or otherwise known as crash dumps are files created during system crashes. These files store the computer’s memory at the time of the crash, and can also be used to diagnose the problem which led to the crash. There are different types of dumps, complete memory dump, small memory dump, kernel memory dump, and automatic memory dump. These memory dumps occupy large spaces and can be deleted to free storage space on the computer.
Methods to Fix it
The basic or simple method to delete these dump files is by using disk cleanup utility. The utility looks through the hard drive for unnecessary files and removes them from the hard drive. However, sometimes the disk cleanup utility fails, and other methods need to be used.
Another method is to use elevated cleanup utility. When the system memory dumps are being analyzed or waiting for action, the normal disc utility may not be helpful.
At such times using the elevated cleanup utility is better. Here once the person chooses to run Windows as an administrator, Windows will scan through files to show how much space can be freed. After that, the person can select the files they want to remove. A similar method is extended disk cleanup. In this method, the person has more options to choose from and gives detailed information.
The third method is to remove memory dump files physically. When the above methods have failed, the person can delete the files physically. Firstly the user will have to look for locations where the dump files are being created and then select the files and delete them manually. A fourth method is by disabling the indexing.
Indexing is a process where an index of most files on the computer is created, which is used for easier searching. However, many times this takes up too much space and can be disabled from the system. The last method is to use different commands to execute cleanup. Several commands can be used to delete system memory dump files and free up space on the computer. The user must open the command prompt window and type the commands.
The user must remember to press enter after each command. The commands which can be used are:
- full usn deletejournal /d /n c:chkdsk /scan
- compact /CompactOs:never
- winmgmt /salvagerepository
- del “%temp%\*” /s /f /q
- del “C:\$Recycle.bin\*” /s /f /q
- del “%systemroot%\temp\*” /s /f /q
- vssadmin delete shadows /for=c: /all /quiet
- Dism /Online /Cleanup-Image /StartComponentCleanup /ResetBase
All these methods can be executed when the user runs Windows as an administrator. System memory dumps are not the only way memory is stored on the computer. Cache memory or cache files are another way of storing data on a computer’s hard disk, which also takes up significant space.
Cache memory stores program information that the CPU is going to need next time, such as data from an internet site when a user revisits the site. The computer processor can access the information in cache memory faster than it can access the main memory. Just like there are multiple methods to remove system memory dump files, there are several different methods to delete cache files from the computer.
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The first method to delete the cache file is similar to the basic method of deleting the memory dump file. It requires the user to search for the Disk Cleanup program on the computer, where then the user can choose which files are to be deleted. This is used to clear general caches.
The second method involves clearing app data files. For this, the user must first enable viewing all hidden files and folders and then access the hard drive. A folder by the user’s name contains the app data file where the local data files are stored. Temporary data is stored in a specific folder labeled ‘temp,’ whose read-only protection must be removed.
The user can delete the data in the folder. The last method is to clear the DNS cache. For this, the user must run Windows as an administrator. Then the user should open ‘command prompt’ and type the DNS flush command and enter.