How to resolve CrossfireX problems

For individuals who took advantages of ‘CrossfireX’ technology, then you will need to be careful, especially your second GPU. Nevertheless, the person who developed ‘ULPS’ technology (save power consumption), he / she should be sued! This feature causes instability, freezing and crashes to your system. It will also make your second GPU unusable. Therefore, if you want to keep ‘CrossfireX’ running normally, then you must disable ‘ULPS’ and examine both cards for any faults. This is crucial if you want to avoid BSOD and severe damage to your system.

Disable ‘ULPS’ – Registry Edit
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1.] Click Start >> Run >> Type: Regedit
2.] Look for this directory…
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\…

3.] Look for these folders. They are situated as numbers: 0000 / 0001 / 0003.
The actual directory should also look like this…

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000\…

Notes: if you have more than three folders, then you will only need to change this string: “EnableUlps”.

Set 1 to enable ULPS
Set 0 to disable ULPS