A used GPU can look perfect and still be weeks from dying. Here is the 10-minute test we run on every card, and what each result means for you as a buyer.
Battery health, drive hours, hidden BIOS and company locks, dead pixels. The 12 checks a refurbisher runs on every used laptop, and how to do each one yourself in a few minutes.
A used graphics card that works perfectly for three months and then dies usually had a problem the day you bought it. Here is what really happens, and the checks that catch it.