The Mazeman

I have solved it by replacing the ram slots and putting the 2 DIMMs in the other two empty slots !

It will be background-color instead of background

I realised this when I opened my Task Manager. I had installed yesterday's Windows Update (KB4049011). This is my system information :- Computer Information: Manufacturer: MSI Model: MS-7693 Form Factor: Desktop No Touch Input Detected Processor Information: CPU Vendor: AuthenticAMD CPU Brand: AMD FX(tm)-4300 Quad-Core Processor CPU Family: 0x15 CPU Model: 0x2 CPU Stepping: 0x0 CPU Type: 0x0 Speed: 3800 Mhz 4 logical processors 2 physical processors HyperThreading: Supported FCMOV: Supported SSE2: Supported SSE3: Supported SSSE3: Supported SSE4a: Supported SSE41: Supported SSE42: Supported AES: Supported AVX: Supported CMPXCHG16B: Supported LAHF/SAHF: Supported PrefetchW: Supported Operating System Version: Windows 10 (64 bit) NTFS: Supported Crypto Provider Codes: Supported 311 0x0 0x0 0x0 Video Card: Driver: AMD Radeon (TM) R7 370 Series DirectX Driver Name: aticfx32.dll Driver Version: 22.19.662.4 DirectX Driver Version: 22.19.662.4 Driver Date: 7 20 2017 OpenGL Version: 4.5 Desktop Color Depth: 32 bits per pixel Monitor Refresh Rate: 60 Hz DirectX Card: AMD Radeon (TM) R7 370 Series VendorID: 0x1002 DeviceID: 0x6811 Revision: 0x81 Number of Monitors: 1 Number of Logical Video Cards: 1 No SLI or Crossfire Detected Primary Display Resolution: 1920 x 1080 Desktop Resolution: 1920 x 1080 Primary Display Size: 18.74" x 10.51" (21.46" diag) 47.6cm x 26.7cm (54.5cm diag) Primary Bus Type Not Detected Primary VRAM Not Detected Supported MSAA Modes: 2x 4x 8x Sound card: Audio device: Monitor (USB Audio CODEC ) Memory: RAM: 4044 Mb Miscellaneous: UI Language: English Media Type: DVD Total Hard Disk Space Available: 1067736 Mb Largest Free Hard Disk Block: 307791 Mb OS Install Date: Jan 01 1970 Game Controller: None detected VR Headset: None detected