Video doesn't work as well on 18 as it did on 17, Latitude e6520

[someSomething]

Every now and then, the main screen flickers. My portable on-lap monitor doesn't seem to, but I don't look at it as much.

Now, when I play Empire Total War, the loading screen is black, and the world view is mostly black with some labels, shading, etc showing. I haven't even tried to get to battles, but everything else seems to work fine.

A java program I use seems a lot slower now whenever it has to change display.

This did not happen with 17. I have seen on other pages that this may be a known bug fixed in 4.6 then reintroduced in 4.8 and removed again in 4.15(?), the two "good" kernels not being available in 18.

inxi -Fxz

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System:    Kernel: 4.13.0-32-generic x86_64 (64 bit gcc: 5.4.0)
           Desktop: Cinnamon 3.6.7 (Gtk 3.18.9-1ubuntu3.3) Distro: Linux Mint 18.3 Sylvia
Machine:   System: Dell (portable) product: Latitude E6520 v: 01
           Mobo: Dell model: 0NVF5K v: A00 Bios: Dell v: A19 date: 11/14/2013
CPU:       Dual core Intel Core i7-2620M (-HT-MCP-) cache: 4096 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 10775
           clock speeds: max: 3400 MHz 1: 2693 MHz 2: 2693 MHz 3: 2693 MHz 4: 2693 MHz
Graphics:  Card: Intel 2nd Generation Core Processor Family Integrated Graphics Controller bus-ID: 00:02.0
           Display Server: X.Org 1.18.4 drivers: intel (unloaded: fbdev,vesa)
           Resolution: 1366x768@60.00hz, 1366x768@59.79hz
           GLX Renderer: Mesa DRI Intel Sandybridge Mobile GLX Version: 3.0 Mesa 17.2.4 Direct Rendering: Yes
Audio:     Card Intel 6 Series/C200 Series Family High Definition Audio Controller
           driver: snd_hda_intel bus-ID: 00:1b.0
           Sound: Advanced Linux Sound Architecture v: k4.13.0-32-generic
Network:   Card-1: Intel 82579LM Gigabit Network Connection (Lewisville)
           driver: e1000e v: 3.2.6-k port: 4080 bus-ID: 00:19.0
           IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter>
           Card-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi bus-ID: 02:00.0
           IF: wlp2s0 state: down mac: <filter>
Drives:    HDD Total Size: 320.1GB (32.8% used) ID-1: /dev/sda model: WDC_WD3200BEKT size: 320.1GB
Partition: ID-1: / size: 277G used: 83G (32%) fs: ext4 dev: /dev/dm-1
           ID-2: /boot size: 473M used: 133M (30%) fs: ext2 dev: /dev/sda2
           ID-3: swap-1 size: 17.05GB used: 0.00GB (0%) fs: swap dev: /dev/dm-2
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 63.0C mobo: N/A
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 235 Uptime: 7:14 Memory: 4285.4/15919.8MB Init: systemd runlevel: 5 Gcc sys: 5.4.0
           Client: Shell (bash 4.3.481) inxi: 2.2.35

Anyone know how to fix this until 4.15(?) is available on Mint?

[someSomething]

Uninstalling intel's drivers and changing to modesetting helped, but Empire TW still has black loading screens and black world maps.