Screen-saver on dual monitor system

I’m having trouble with my screen-savers. When I wake in the morning, My monitors show no signal until I press a key. Then one monitor comes on, but I need to reboot to get the second one working.

Here’s my system information:

Put computer to sleep – never

Put display to sleep – 30 minutes

I have the nvidia meagapackage 390 driver.

System: Host: smaug Kernel: 4.15.0-20-generic x86_64 bits: 64 gcc: 7.3.0
Desktop: MATE 1.20.1 (Gtk 3.22.30-1ubuntu1) info: mate-panel dm: lightdm
Distro: Ubuntu 18.04 LTS
Machine: Device: desktop System: ASUSTeK product: K30AD_M31AD_M51AD serial: N/A
Mobo: ASUSTeK model: K30AD_M31AD_M51AD_M32AD v: Rev X.0x serial: N/A
BIOS: American Megatrends v: 0802 date: 08/03/2015
Battery hidpp__0: charge: N/A condition: NA/NA Wh volts: NA
model: Logitech Wireless Touch Keyboard K400 serial: status: Discharging
CPU: Quad core Intel Core i7-4790 (-MT-MCP-) arch: Haswell rev.3 cache: 8192 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 28733
clock speeds: min/max: 800/4000 MHz 1: 3802 MHz 2: 3875 MHz 3: 3832 MHz 4: 3802 MHz
5: 3852 MHz 6: 3899 MHz 7: 3823 MHz 8: 3795 MHz
Memory: Using dmidecode: root required for dmidecode
Graphics: Card: NVIDIA GK104 [GeForce GTX 760 OEM] bus-ID: 01:00.0 chip-ID: 10de:118e
Display Server: x11 (X.Org 1.19.6 )
drivers: nvidia (unloaded: modesetting,fbdev,vesa,nouveau)
Resolution: [email protected], [email protected]
OpenGL: renderer: GeForce GTX 760 (192-bit)/PCIe/SSE2
version: 4.6.0 NVIDIA 390.48 Direct Render: Yes
Audio: Card-1 Intel 8 Series/C220 Series High Def. Audio Controller
driver: snd_hda_intel bus-ID: 00:1b.0 chip-ID: 8086:8c20
Card-2 NVIDIA GK104 HDMI Audio Controller
driver: snd_hda_intel bus-ID: 01:00.1 chip-ID: 10de:0e0a
Card-3 Logitech driver: USB Audio usb-ID: 003-004 chip-ID: 046d:0823
Card-4 Harman driver: USB Audio usb-ID: 003-003 chip-ID: 05fc:0401
Sound: Advanced Linux Sound Architecture v: k4.15.0-20-generic
Network: Card-1: Intel Ethernet Connection I217-V
driver: e1000e v: 3.2.6-k port: f040 bus-ID: 00:19.0 chip-ID: 8086:153b
IF: eno1 state: up speed: 1000 Mbps duplex: full mac:
Card-2: Realtek RTL8821AE 802.11ac PCIe Wireless Network Adapter
driver: rtl8821ae port: d000 bus-ID: 03:00.0 chip-ID: 10ec:8821
IF: wlp3s0 state: down mac:
Drives: HDD Total Size: 3250.7GB (1.5% used)
ID-1: /dev/sda model: Samsung_SSD_850 size: 250.1GB serial:
ID-2: /dev/sdb model: TOSHIBA_DT01ACA3 size: 3000.6GB serial:
Optical-1: /dev/sr0 model: ATAPI BD E DH12E3SH rev: MAA3 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: 229G used: 13G (6%) fs: ext4 dev: /dev/sda1
label: N/A uuid: c55087b4-393c-49f0-9545-ebd8a25433cf
ID-2: /hdd size: 1.4T used: 33G (3%) fs: ext4 dev: /dev/sdb1
label: MyHomeDir uuid: ee75e79b-ba9f-493f-99fc-e658b6a08799
RAID: System: supported: N/A
No RAID devices: /proc/mdstat, md_mod kernel module present
Unused Devices: none
Sensors: System Temperatures: cpu: 29.8C mobo: 27.8C gpu: 0.0:64C
Fan Speeds (in rpm): cpu: 0
Info: Processes: 281 Uptime: 3:02 Memory: 5623.1/15980.8MB
Init: systemd v: 237 runlevel: 5 Gcc sys: 7.3.0 Client: Unknown : systemd inxi: 2.3.56