A little more than a week ago, the screen started simply going black without it actually switching off or the power light blinking as it does when I am AFK for too long. Several people who have no access to the machine, use Nvidia rather than Radeon, and don't run any version of Linux at all on their computers have suggested some quite outlandish things.
More often than not the problem is ‘solved’ by manually switching the monitor off and then on again, or, sometimes, by manually switching the monitor off, waiting for a random period of time, then switching it on again.
When this started I was a couple days away from my scheduled upgrade from LM 17 to 18 and I said ‘well, this must be a driver issue’, so I just waited some time and then upgraded the system. Several days passed after the upgrade without any trouble. (I had already tested 18 from a pendrive and this problem never happened)
Today it's happened again with the new LM 18 and (the horror!) with the USB version LM18.3 as well (as in, just now).
So... is there something wrong with the drivers? Is is a temperature/fan issue, as some have suggested?
Is the graphics card about to die on me?
Any help will be appreciated.
Oh, btw infodump from terminal:
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System: Host: njan-desktop Kernel: 4.4.0-116-generic x86_64 (64 bit gcc: 5.4.0) Desktop: Cinnamon 3.0.7 (Gtk 3.18.9-1ubuntu3.3) Distro: Linux Mint 18 Sarah Machine: Mobo: Intel model: DP35DP v: AAD81073-209 Bios: Intel v: DPP3510J.86A.0572.2009.0715.2346 date: 07/15/2009 CPU: Dual core Intel Core2 Duo E7200 (-MCP-) cache: 3072 KB flags: (lm nx sse sse2 sse3 sse4_1 ssse3) bmips: 10134 clock speeds: max: 2527 MHz 1: 1596 MHz 2: 1596 MHz Graphics: Card: Advanced Micro Devices [AMD/ATI] Turks PRO [Radeon HD 6570/7570/8550] bus-ID: 01:00.0 Display Server: X.Org 1.18.4 drivers: ati,radeon (unloaded: fbdev,vesa) Resolution: firstname.lastname@example.org GLX Renderer: AMD TURKS (DRM 2.43.0 / 4.4.0-116-generic, LLVM 5.0.0) GLX Version: 3.0 Mesa 17.2.8 Direct Rendering: Yes Audio: Card-1 Advanced Micro Devices [AMD/ATI] Turks/Whistler HDMI Audio [Radeon HD 6000 Series] driver: snd_hda_intel bus-ID: 01:00.1 Card-2 Intel 82801I (ICH9 Family) HD Audio Controller driver: snd_hda_intel bus-ID: 00:1b.0 Sound: Advanced Linux Sound Architecture v: k4.4.0-116-generic Network: Card-1: Intel 82566DC-2 Gigabit Network Connection driver: e1000e v: 3.2.6-k port: 30e0 bus-ID: 00:19.0 IF: eth0 state: down mac: 00:1c:c0:60:f7:64 Card-2: Ralink RT2870/RT3070 Wireless Adapter driver: rt2800usb v: 2.3.0 usb-ID: 001-004 IF: wlan1 state: N/A mac: N/A Drives: HDD Total Size: 320.1GB (12.4% used) ID-1: /dev/sda model: WDC_WD3200AAKS size: 320.1GB Optical: /dev/sr0 model: Optiarc DVD RW AD-7280S rev: 1.01 dev-links: cdrom,cdrw,dvd,dvdrw Features: speed: 48x multisession: yes audio: yes dvd: yes rw: cd-r,cd-rw,dvd-r,dvd-ram state: running Partition: ID-1: / size: 109G used: 36G (35%) fs: ext4 dev: /dev/sda5 ID-2: swap-1 size: 2.13GB used: 0.00GB (0%) fs: swap dev: /dev/sda6 RAID: No RAID devices: /proc/mdstat, md_mod kernel module present Sensors: System Temperatures: cpu: 48.0C mobo: N/A gpu: 42.0 Fan Speeds (in rpm): cpu: N/A Info: Processes: 170 Uptime: 2:06 Memory: 1024.7/1981.7MB Init: systemd runlevel: 5 Gcc sys: 5.4.0 Client: Shell (bash 4.3.481) inxi: 2.2.35