* [[3DS:boot9strap|boot9strap]] or [[3DS:fastboot3DS|fastboot3DS]] installed to FIRM partition(s)
* [[3DS:boot9strap|boot9strap]], [[3DS:GodMode9|GodMode9]] or [[3DS:fastboot3DS|fastboot3DS]] installed to FIRM partition(s)
* [[3DS:Luma3DS|Luma3DS]]' <code>boot.firm</code> on the root of your SD card
* [[3DS:Luma3DS|Luma3DS]]' <code>boot.firm</code> on the root of your SD card
* The latest release of {{GitHub|aspargas2/3ds_hw_test/releases|3ds_hw_test}} (the <code>3ds_hw_test.firm</code> file)
* The latest release of {{GitHub|aspargas2/3ds_hw_test/releases|3ds_hw_test}} (the <code>3ds_hw_test.firm</code> file)
Line 67:
Line 67:
# power on the console while holding {{B|HOME}} to enter the fastboot3DS menu
# power on the console while holding {{B|HOME}} to enter the fastboot3DS menu
# Select <code>[+]Boot from file...</code> -> <code>sdmc:</code> -> <code>3ds_hw_test.firm</code>
# Select <code>[+]Boot from file...</code> -> <code>sdmc:</code> -> <code>3ds_hw_test.firm</code>
# Press any button to start the test
#* The test will take around 30 minutes for an old model and around 45 for a new model
#** If you are unsure what model the console is, look at the shoulder buttons - a new model has four ({{Key press|L|ZL|ZR|R}}), and an old model has two ({{Key press|L|R}}
# When the test finishes, press any button to turn the console off and insert your SD into your computer
# Open the newly generated <code>sd:/HWTEST.LOG</code> file in a text editor, then scroll to the end and look at the line that says <code>[ARM11] Done. ___ total errors detected.</code>
#* If the number on this line is 0, your console's RAM is not the issue
#* If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard
</span>
|-|GodMode9=
<span>
# Power off the console and insert your SD card into your computer
# Copy <code>3ds_hw_test.firm</code> to the <code>sd:/gm9/payloads</code> folder of your SD card
# Reinsert the SD card into your console
# power on the console while holding {{Key press|R|LEFT}} to enter the GodMode9 bootloader menu
3ds_hw_test is a .firm application that tests a 3DS console's RAM for errors. There are plans to expand the test so it checks more types of hardware, but so far these plans are entirely a work-in-progress.
If you still don't see it follow the boot9strap tab above instead
Select 3ds_hw_test
Press any button to start the test
The test will take around 30 minutes for an old model and around 45 for a new model
If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L+ZL+ZR+R), and an old model has two (L+R
When the test finishes, press any button to turn the console off and insert your SD into your computer
Open the newly generated sd:/HWTEST.LOG file in a text editor, then scroll to the end and look at the line that says [ARM11] Done. ___ total errors detected.
If the number on this line is 0, your console's RAM is not the issue
If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard
Power off the console and insert your SD card into your computer
Copy 3ds_hw_test.firm to the root of your SD card
Rename boot.firm to luma.firm
Rename 3ds_hw_test.firm to boot.firm
Reinsert the SD card into your console
Power on the console without pressing any other buttons
Press any button to start the test
The test will take around 30 minutes for an old model and around 45 for a new model
If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L+ZL+ZR+R), and an old model has two (L+R
When the test finishes, press any button to turn the console off and insert your SD into your computer
Open the newly generated sd:/HWTEST.LOG file in a text editor, then scroll to the end and look at the line that says [ARM11] Done. ___ total errors detected.
If the number on this line is 0, your console's RAM is not the issue
If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard
Delete boot.firm and rename luma.firm to boot.firm
Power off the console and insert your SD card into your computer
Copy 3ds_hw_test.firm to the root of your SD card
Reinsert the SD card into your console
power on the console while holding HOME to enter the fastboot3DS menu
Select [+]Boot from file... -> sdmc: -> 3ds_hw_test.firm
Press any button to start the test
The test will take around 30 minutes for an old model and around 45 for a new model
If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L+ZL+ZR+R), and an old model has two (L+R
When the test finishes, press any button to turn the console off and insert your SD into your computer
Open the newly generated sd:/HWTEST.LOG file in a text editor, then scroll to the end and look at the line that says [ARM11] Done. ___ total errors detected.
If the number on this line is 0, your console's RAM is not the issue
If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard
Power off the console and insert your SD card into your computer
Copy 3ds_hw_test.firm to the sd:/gm9/payloads folder of your SD card
Reinsert the SD card into your console
power on the console while holding R+← to enter the GodMode9 bootloader menu
Select Select payload... -> 3ds_hw_test.firm
Press any button to start the test
The test will take around 30 minutes for an old model and around 45 for a new model
If you are unsure what model the console is, look at the shoulder buttons - a new model has four (L+ZL+ZR+R), and an old model has two (L+R
When the test finishes, press any button to turn the console off and insert your SD into your computer
Open the newly generated sd:/HWTEST.LOG file in a text editor, then scroll to the end and look at the line that says [ARM11] Done. ___ total errors detected.
If the number on this line is 0, your console's RAM is not the issue
If the number on this line is not 0, your console's RAM is dying and you need to either repair or replace the motherboard