Hello,
One of my friends just bought a laptop with the following characteristics: OS (Win 7 Pro 64 bits)
13.3" Quad-HD IPS Touchscreen Display (3200 x 1800).
Intel Core i7-4510U 2 GHz. NVIDIA GT840M 2GB VRAM.
256GB Solid State Storage. 12GB RAM
Dual-Band 802.11 A/C. 8-Hour Battery life.
3x USB 3.0, 1x HDMI, 1x miniDisplayPort, Bluetooth 4.0, SDXC slot
He installed ArcGIS for desktop 10.3.1 trial and used an EVA license. The installation process was successful. When he tried to open ArcMap the menu and toolbar were really small, as shown in this picture. ArcScene and ArcCatalog dont have this issue at the same resolution (3200 x 1800 dpi