I see some others having good luck and leaving feedback so figured I'd uipdate.
There is some truth to this. After using the Gq-4x for 2 years on one laptop I never had issues with burning chips without a External Power supply. Well that all changed when I changed laptops. Chip burn went fine and the lights all did the same thing but chip was no good? Took a while to figure out but broke out the old laptop and it worked fine! So I bought the wall wart power supply and it now works on all laptops I tested it on.
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