RE: Vostro 15 3546 - Display Driver stopped responding and has recovered
It seems like the Video card issue you will need to replace processor or the system board on the computer. Depending on the warranty status we can help you further, please use the link below to check the warranty status.
Please punch in the system service tag or express service code. In case your system warranty has expired please contact the Out of Warranty department 1-800-288-4410 (U.S Customer only). In case your system is under warranty please send me the system service tag or express service code through a private chat, so that I can help you further.