Contemporarily referred to as RAM (Random Access Memory), computer memory is any form of electronic storage which facilitates immediate information retention. It is a volatile storage area aimed at allowing the CPU direct access to the program. RAM is essentially a fundamental component of all the computers and is utilized by the CPU as fast but temporary storage. Be it critical information about the Operating System (OS) or the data of applications, most of them are sent to the RAM by the CPU and the shuffling of data between CPU and the RAM goes on constantly as long the computer remains turned on.

Typical memory failures:

• System emitting beep sound consistently while starting
• Blue screen of Death
• System hangs up or reboots while running a large program
• System fails to install win3.1, Win95, Win98 and Windows NT
• Unstable Windows programs
• Continuous ram count while starting up
• System fails to boot-up
• HIMEM.SYS does not load
• No video display
• System hanging or rebooting after prolonged usage

 

You may encounter the following memory issues and error messages that need to be addressed as soon as they crop up:

Windows Vista SP1 will report 4 GB of system memory (RAM) on systems that have 4 GB of memory installed - After you install Windows Vista Service Pack 1 (SP1), the memory (RAM) value reported by Windows Vista may increase if the following conditions are true:

• The system BIOS has reserved physical memory for graphics or for other peripherals.
• Your computer has more than 3 GB of system memory installed.

This change occurs because Windows Vista with SP1 reports how much physical memory installed on your computer. All versions of Windows NT-based operating systems before Windows Vista Service SP1 report how much memory available to the operating system. This change in Windows Vista SP1 is a reporting change only.

The system memory that is reported in the System Information dialog box in Windows Vista is less than you expect if 4 GB of RAM is installed - If a computer has 4 gigabytes (GB) of random-access memory (RAM) installed, the system memory that is reported in the System Information dialog box in Windows Vista is less than you expect. For example, the System Information dialog box may report 3,120 megabytes (MB) of system memory on a computer that has 4 GB of memory installed (4,096 MB).

Hibernation Problem on Computers with 1 GB of RAM [Applies to Windows XP]

RAM, Virtual Memory, Pagefile and all that stuff - Windows XP Home and Professional Editions
Error Message with RAM Problems or Damaged Virtual Memory Manager - When your computer restarts after you install Windows XP Home Edition, you may receive either of the following error messages: System has recovered from a serious error DRIVER_IRQL_NOT_LESS_OR_EQUAL - This behavior may occur if either of the following conditions exists:

• One or more of the random access memory (RAM) modules that are installed in your computer are faulty, or the memory modules are not compatible with the chip set on your computer mainboard.
• The Page file that is used by the Virtual Memory Manager may be damaged.

"Bad Image Checksum" Error When You Upgrade to Windows XP - When you upgrade your computer to Windows XP, you may receive an error message that is similar to one of the following: C0000221 (Bad Image Checksum) -or- STOP: C0000221 - Bad Image Checksum in ModuleName -or- STOP: C0000221 - Bad Image Checksum. User32.dll is possibly corrupt. The header check sum does not match the computed check sum. - This issue may occur if any of the following conditions exist:

• A damaged file exists in the folder in which Windows is installed, and this file is not overwritten during Setup. For example, if you receive the error message that references the User32.dll file, the User32.dll file may be damaged.
• One or more of the random access memory (RAM) modules that are installed in your computer is faulty, or the RAM configuration is incompatible.

"An Unexpected Error Has Occurred (536821760)" Error Message When You Try to Install Windows XP - When you attempt to install Windows XP, the installation process may not complete successfully. Setup may stop at the beginning of the process or immediately after the first required restart, and then you receive an error message similar to the following: An unexpected error has occurred. (536821760) occurred at line 1768 in D:\xpclient\base\boot\setup\arcdisp.c - This behavior can occur because of damaged random access memory (RAM) modules or a damaged RAM slot.

"STOP 0x0000008e" error message during Windows XP setup - When you install Microsoft Windows XP, you may receive a Stop Error message that is similar to one of the following while the Setup program is running: STOP 0x0000008e STOP 0x00000050 PAGE_FAULT_IN_NON_PAGED_AREA Additionally, if you troubleshoot by removing all unnecessary hardware devices that are installed on the computer, and then you run the Setup program, you may receive an error message that is similar to the following: Setup cannot copy the file Setupdd.sys. - This behavior may occur if one of the following conditions is true:
• One or more of the random access memory (RAM) modules that are installed on your computer are faulty.
• The RAM configuration is incompatible with Windows XP.

"Out of Memory" Error Messages with Large Amounts of RAM Installed [Applies to Windows 95/98/Me - Windows 98 SE (Second Edition) has trouble with 512MB of RAM and more. Windows 95/98/Me systems were not designed to use large amounts or RAM. Most home users of Windows 95/98/Me are unlikely to require this much RAM in any case, so, if possible, it's advisable to install less than 512MB.

Computer May Reboot Continuously with More Than 1.5 GB of RAM - If your computer has more than 1.5 gigabytes (GB) of memory (RAM), the computer may reboot continuously when you try to start Windows Millennium Edition (Me) or Windows 98. Or, when you try to install Windows Me or Windows 98 with more than 1.5 GB of RAM installed, Setup may stop responding (hang) or reboot continuously. - Windows Me and Windows 98 are not designed to handle more than 1 GB of RAM. More than 1 GB can lead to potential system instability.

Insufficient RAM Memory to Load System Files [Applies to Windows 98 Standard Edition / Windows 95]

Computer Stops Responding During the Memory Check Phase of the Startup Process [Applies to Windows 2000 Professional Edition]

How to Use a RAM Drive to Troubleshoot RAM Memory [Applies to Windows 95/Windows 98 Standard Edition/Windows 98 Second Edition]

Reported Memory Does Not Match Amount of Installed Memory - When you view the Performance tab in System properties, the amount of memory reported may differ from the actual amount of memory installed in the computer. Applies to Windows 95 and Windows 98 Standard Edition

Error Message - Insufficient Memory to Initialize Windows - when 1 gigabyte (1GB) or more of random-access memory (RAM) is installed [Applies to Windows 95/98/98 SE]