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Now you can open cmd even when it is blocked by admin.Just follow these steps:
>> Go to Start > All programs > Accessories
>>Open calculator
>>Click Help in the menu and click help topics option
>>When help window opens > Right click on top left corner of that window where you see the symbol ?
>>And now,click on jump to url and put this : file:///c:/windows/system32/cmd.exe
Now you see that command prompt is opened without admin's permission
Do not attempt to build, upgrade or repair a PC if you do not have basic familiarity with the components and tools used to do so or if you do not fully understand the directions provided in this web site. Furthermore, if your PC or its components differ from those described in this site, you should not attempt the installation upgrade or repair based upon the instructions in this web site.
Electrocution can cause injury or death. Never assume the power is off. Before working on a PC, disconnect it from its electrical source by unplugging the PC. Some devices can store a hazardous electrical charge even when disconnected from an electrical source, always discharge these devices before attempting service. If you are unfamiliar with a device or its components, consult with a professional before attempting service. Never reach into your PC while it is plugged in.
Serious injury can result from sharp edges. Your PC may have sharp edges. Use caution when working inside your PC.
Always practice proper and reasonable safeguards as well as those suggested by the manufacturer of the devices and tools you use.
Always wear a static discharge wrist strap and attach it to the metal chassis of the case.
The use of non-magnetized tools is recommended for use with electronic components.
Memtest86
It might be a little difficult or the average user, but it isn’t a bad way to check RAM. It is a useful tool, this app runs tests on your RAM, checking it out for errors.
Once you have the latest version of Memtest86, then make a diagnostic disk make it bootable, then boot from it. The cool thing about it is that it loads before the PC loads Windows drivers and such.
As Memtest86 run and diagnoses your PC, any suggestion or fixes it comes with would give a clear idea if you have bad or good RAM.
What would seem like a couple minutes of diagnosing would take about 2 hours or even days sometimes. You think you’ve located the problem and fixed it, later to find out that it leads to more problems, hence the cycle of diagnose, repair, testing repeats itself, you will find your self feeling nauseous.
The SIGNS of bad RAM
Remember when diagnosing PC components always start with the computer RAM.
If you are plagued by the dreaded blue screen of death (BSoD), this is the time you ask yourself, ” There must be something wrong with my RAM”.
Errors like PFN_LIST_CORRUPT and PAGE_FAULT_IN_NONPAGED_AREA and so on including include system stalls, reboots, and weird PC behavior are the signs of bad RAM.