ASRock RX 7900 XTX owners report boot failures after VBIOS update

ASRock Radeon RX 7900 XTX Phantom Gaming cards have reportedly left some PCs unable to boot after a VBIOS flash. Users shared the failures online, but no one has confirmed how many GPUs are affected or what caused the issue.

The trouble comes after ASRock posted new firmware files for ten RX 7000 models. Its support page covers select RX 7600 XT, RX 7700 XT, RX 7800 XT, RX 7900 XT, and RX 7900 XTX cards, with ASRVBFlash 1.0.5 listed for download.

Behind the updates is an AMD security concern tracked as AMD-SN-6023. The chipmaker wants users to apply fixes from their card vendors, though it says it has seen no cases of attackers using the flaws. Details about the risk remain scarce.

Here's the rough part. A GPU that leaves a PC unable to start may also block the usual Windows-based recovery tools. That could make a bad flash far harder to fix than a simple driver issue.

Still, the cause is far from clear. A faulty firmware file is one possibility, but a mismatched package, flash error, or separate hardware fault could also explain the failures. The user posts do not settle that question.

And the advice is a bit awkward. AMD backs the security patch, while ASRock warns against updating cards that already work fine. That leaves users with two different cautions to weigh.

For anyone planning a flash, the exact GPU model matters. A file meant for another card can create trouble, making the official support page and its steps worth checking before any changes.

ASRock has not issued a public statement on these specific complaints in the material reviewed. Even the ASRVBFlash version label is vague, since it is unclear whether it names the tool, the firmware, or both.

At this stage, the boot failures are user claims rather than a confirmed widespread fault. Owners have reason to be careful, but there is no proof that every affected model will face the same problem.
 

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