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Why is my Computer RAM Not Running at Full Speed?

Written by Ernie Lo in Computers Last Updated August 14, 2022

Why Is My RAM Not Running At Full Speed?

The main reason your RAM isn’t running at full speed is because your motherboard doesn’t support your RAM’s full speed or you haven’t turned on your XMP profile.

 

Causes

  • Motherboard incompatible
  • XMP turned off
  • CPU incompatible

 

Motherboard Incompatible

A motherboard is a circuit board in the computer that allows for communication between other components of the PC. Your motherboard is crucial when considering RAM speed because the motherboard will set a limit on how fast the RAM runs.

If your motherboard doesn’t support your desired RAM speed, you will have to replace the motherboard.

 

XMP Turned Off

XMP is the extreme memory profile that is a technology that allows your PC to tap into the high memory speeds of your RAM. If you don’t turn it on, your RAM will not run at its highest speed.

 

CPU Incompatible

Another important component that determines RAM speed is the CPU. If your CPU doesn’t support the RAM speeds you desire, then replacing the CPU is the only option.

 

How To Fix RAM Not Running At Full Speed?

To fix RAM that isn’t running at full speed, you need to turn on XMP and check if the CPU and motherboard support your RAM’s highest speed.

 

If your RAM isn’t giving you its highest speed, then you need to try these troubleshooting methods:

Turn On XMP

  1. Press “Esc,” “Delete,” and F2 at the beginning of the boot to enter the computer’s BIOS.
  2. If these keys don’t work, check your computer’s manual on entering BIOS.
  3. Once in the BIOS, look for an option called ‘XMP.’
  4. Click on it to enable.
  5. If there is more than one profile, choose the one that gives you the highest speed.

 

Check Motherboard Compatibility

  1. Go to the manufacturer’s website and check the specifications for your motherboard.
  2. If the motherboard doesn’t support the highest speed of your RAM, then replace the motherboard.

 

Check CPU Compatibility

  1. From the start menu go to system information.
  2. In the system information find processor information.
  3. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  4. If they are incompatible, you will have to change the CPU.

 

computer RAM not running at full speed

 

How to Check If RAM Is Running At Right Speed?

To check if your RAM is running at the right speed, you need to enter the task manager, click on performance then click memory to view the RAM speed.

 

If you aren’t getting the highest RAM speed, it could be caused by the following:

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your RAM speed isn’t running at its highest, then try the steps below to resolve the issue:

  1. It’s important to turn on the XMP. To do this, enter the computer’s BIOS.
  2. To enter BIOS, press Esc, Delete, and F2 on boot. Different Operating systems have different keys to enter BIOS.
  3. Once you enter the BIOS, you need to look for XMP and click it to enable it.
  4. Restart the computer.
  5. If that doesn’t work,check motherboard compatibility by going to the manufacturer’s website. If the motherboard doesn’t support the high RAM speed, you will need to replace it.
  6. Also, check CPU compatibility by checking the manufacturer’s website for your specific processor. You will need to change the CPU if it’s incompatible with the RAM.

 

How Do I Get My RAM To Run At Full Speed?

To get your RAM to run at full speed, you need to turn on XMP in the BIOS settings.

For your RAM to run at its full speed, the XMP needs to be turned on. This is done in the BIOS settings, where you can enable XMP.

 

Why Is My RAM Running At Wrong Speed?

To fix your RAM that is running at the wrong speed, you need to turn on the XMP and replace the motherboard or CPU, depending on which one is incompatible with the RAM.

 

For your RAM to run at its highest speed, you need to enable the XMP in the BIOS settings. If, after enabling the XMP, the RAM doesn’t run at the highest speed, then you may have an incompatible motherboard or CPU.

In either case, you will haveto replace the motherboard or CPU, depending on which one isincompatible.

 

Why Is My RAM Running At Half Speed?

To fix your RAM that is running at half speed, you need to turn on the XMP and replace the CPU or motherboard, depending on which one is incompatible with your RAM.

 

If your RAM runs at half the speed it’s supposed to; then the most obvious reason is that you haven’t turned on the XMP.

If you turn the XMP on, you may have an incompatible motherboard or CPU. In either case, you will have to replace the motherboard or CPU.

 

RAM Running At 2133 Instead Of 3000?

To fix your RAM that is running at 2133 instead of 3000, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your RAM is running at 2133 instead of 3000, then take a look at the steps below to solve the problem:

  1. Press the “Esc,” “Delete,” and F2 keys when your pc starts booting. This will take you to the BIOS settings.
  2. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If this doesn’t work,check the motherboard’s compatibility with the RAM. Go to the manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your RAM, then replace it.
  5. If the motherboard is compatible, then consider the CPU. From the start menu go to system information. In system information find processor information.
  6. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  7. If they are incompatible, you will have to change the CPU

 

RAM Running At 2133 Instead Of 3600?

To fix your RAM that is running at 2133 instead of 3600, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your RAM is running at 2133 instead of 3600, then take a look at the steps below to solve the problem:

  1. Enter the BIOS settings by pressing “Esc,” “Delete,” and F2 keys when your pc starts booting.
  2. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If this doesn’t help, check the motherboard’s compatibility with the RAM. Go to the manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your RAM, then replace it.
  5. If the motherboard is compatible, then it could be the CPU.
  6. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU

 

Why Is My PC Memory Running At 2400 Instead Of 3200?

To fix your PC memory that is running at 2400 instead of 3200, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your PC memory is running at 2400 instead of 3200, then take a look at the steps below to solve the problem:

  1. When your PC starts booting, enter the BIOS settings by pressing “Esc,” “Delete,” and F2 keys to turn on XMP.
  2. In BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If this doesn’t work, check the motherboard’s compatibility with the RAM.
  5. Go to the manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your RAM, then replace it.
  6. If the motherboard isn’t the issue, it could be the CPU. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU

 

RAM Running At 2666 Instead Of 3200

To fix your RAM that is running at 2666 instead of 3200, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your RAM is running at 2666 instead of 3200, then take a look at the steps below to solve the problem:

  1. The first step would be to turn XMP on. To do this, Press the “Esc,” “Delete,” and F2 keys when your PC starts booting.
  2. This allows you to enter the BIOS settings. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If that doesn’t help,then check the compatibility of the motherboard with the RAM. Go to the manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your RAM, then replace it.
  5. If the motherboard is compatible, then consider the CPU as the problem.
  6. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU

 

Why Is DDDR4 RAM Not Running At Full Speed

To fix your DDDR4 RAM that isn’t running at full speed, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your DDDR4 RAM isn’t running at its full speed, then take a look at the steps below to solve the problem:

  1. The first step would be to turn XMP on. To do this, Press the “Esc,” “Delete,” and F2 keys when your PC starts booting.
  2. This allows you to enter the BIOS settings. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If that doesn’t help, then check the compatibility of the motherboard with the DDDR4 RAM. Go to your motherboard’s manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your DDDR4RAM, then replace the motherboard.
  5. If the motherboard is compatible, then consider the CPU as the problem.
  6. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU

 

Why Is DDDR5 RAM Not Running At Full Speed

To fix your DDDR5 RAM that isn’t running at full speed, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your DDDR5 RAM isn’t running at its full speed, then take a look at the steps below to solve the problem:

  1. The first step would be to turn XMP on. To do this, Press the “Esc,” “Delete,” and F2 keys when your PC starts booting.
  2. This allows you to enter the BIOS settings. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If that doesn’t help, then check the compatibility of the motherboard with the DDDR5 RAM. Go to your motherboard’s manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your DDDR5 RAM, then replace the motherboard.
  5. If the motherboard is compatible, then consider the CPU as the problem.
  6. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU.

 

Why Corsair RAM Not Is Not Running At Full Speed?

To fix your Corsair RAM that isn’t running at full speed, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your Corsair RAM isn’t running at its full speed, then take a look at the steps below to solve the problem:

  1. The first step would be to turn XMP on. To do this, Press the “Esc,” “Delete,” and F2 keys when your PC starts booting.
  2. This allows you to enter the BIOS settings. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If that doesn’t help, then check the compatibility of the motherboard with the Corsair RAM. Go to your motherboard’s manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your Corsair RAM, then replace the motherboard.
  5. If the motherboard is compatible, then consider the CPU as the problem.
  6. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU.

Why G.Skill RAM Is Not Running At Full Speed?

To fix your G.Skill RAM  that isn’t running at full speed, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

If your G.Skill RAM isn’t running at its full speed, then take a look at the steps below to solve the problem:

  1. First step would be to turn XMP on. To do this, Press the “Esc,” “Delete,” and F2 keys when your PC starts booting.
  2. This allows you to enter the BIOS settings. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If that doesn’t help, then check the compatibility of the motherboard with the G.Skill RAM. Go to your motherboard’s manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your G.Skill RAM, then replace the motherboard.
  5. If the motherboard is compatible, then consider the CPU as the problem.
  6. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU

 

Why Kingston RAM Is Not Running At The Correct Speed?

To fix your Kingston RAM that isn’t running at full speed, you need to turn on XMP in the BIOS settings and replace the CPU or motherboard, depending on which one is incompatible with the RAM.

 

Causes

  • XMP turned off
  • Incompatible motherboard
  • Incompatible CPU

 

If your Kingston RAM isn’t running at its full speed, then take a look at the steps below to solve the problem:

  1. First step would be to turn XMP on. To do this, Press the “Esc,” “Delete,” and F2 keys when your pc starts booting.
  2. This allows you to enter the BIOS settings. Once in the BIOS, look for an option called ‘XMP.’
  3. Click on XMP to enable it.
  4. If that doesn’t help, then check the compatibility of the motherboard with the Kingston RAM. Go to your motherboard’s manufacturer’s website and check the specifications for your motherboard. If the motherboard doesn’t support the highest speed of your Kingston RAM, then replace the motherboard.
  5. If the motherboard is compatible, then consider the CPU as the problem.
  6. From the start menu go to system information. In system information find processor information.
  7. Use the information to check the manufacturer’s website on the RAM speeds that your CPU can support.
  8. If they are incompatible, you will have to change the CPU

Related posts:

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  2. How to Adjust CPU Fan Speed (STEPS)
  3. (SOLVED) Why is my PC Not Booting After Changing RAM Speed?
  4. Why PC Screen Goes Black and GPU Fans Are At Max Speed?

Ernie Lo

Ernie Lo is a qualified web designer and web developer. He works as an IT support technician and website manager at Benleigh Vending, and he also fixes vending machines.

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