This is a little outdated OS X issue but important;
I am using Asus K55VM (Yosemite 10.10.5) along with DELL 21.5" full HD monitor in extended display mode via HDMI have no issue without any USB peripherals connected or without working in the DAWs (it is random) and hard to detect, but to my observation; when the laptop is connected with 1tb external HDD (7200RPM), Focusrite scarlett solo audio interface and Mouse on each of the USB ports and working on Logic pro 9 or Protools (DAWs) suddenly Screen Freezes for 2 to 3 sec. and restarts with panic (panic reports are below) and rebooting is possible only with all the peripherals disconnected including the monitor. by the way i have few modifications done on the hardware within the Laptop; 1) SSD (128GB) on the original HDD bay & 500GB (7200RMP) HDD on the DVD tray 2) PCI Wi-Fi + Bluetooth card original replaced with BCM943225HMB with patched SSDT-5.aml {EFI/CLOVER/ACPI/patched/} and modified kexts (IO80211Family and IOBluetoothFmily) vendor ID and Device id {S/L/E/}
Really need help as I am an audio guy love the Laptop and OS X and the DAWs