我有一个 960GB SSD（金士顿A400) 安装在我的笔记本电脑上 (华硕 X505BA)。我安装了具有全盘加密的 Ubuntu 19.04。我还在 UEFI 设置中启用了快速启动和安全启动。我的问题是启动时的系统解密非常慢。它通常需要 4 到 5 分钟，与我以前在同一台笔记本电脑中使用非加密硬盘的启动时间（通常为 1 分钟或更短）相比，这太多了。
我该如何改善这种情况？
更新：这是 systemd-analyze 责备日志。
9.914s plymouth-quit-wait.service
8.035s NetworkManager-wait-online.service
5.181s fstrim.service
3.172s snapd.service
2.787s vboxdrv.service
2.488s dev-mapper-ubuntu\x2d\x2dvg\x2droot.device
1.997s systemd-logind.service
1.934s vmware.service
1.717s networkd-dispatcher.service
1.472s udisks2.service
1.461s dev-loop8.device
1.408s dev-loop9.device
1.402s dev-loop10.device
1.398s dev-loop13.device
1.394s motd-news.service
1.378s dev-loop12.device
1.372s dev-loop11.device
1.119s vmware-USBArbitrator.service
1.077s dev-loop1.device
1.076s dev-loop2.device
1.072s dev-loop0.device
1.072s vmware-workstation-server.service
1.059s dev-loop3.device
1.025s dev-loop4.device
992ms dev-loop5.device
989ms dev-loop6.device
954ms fwupd.service
953ms dev-loop7.device
768ms ModemManager.service
688ms NetworkManager.service
681ms accounts-daemon.service
655ms systemd-journald.service
652ms winbind.service
635ms systemd-timesyncd.service
623ms upower.service
537ms avahi-daemon.service
537ms bluetooth.service
534ms ufw.service
533ms systemd-resolved.service
524ms tlp.service
496ms [email protected]
493ms wpa_supplicant.service
493ms apparmor.service
467ms systemd-udev-trigger.service
377ms swapfile.swap
353ms gpu-manager.service
346ms lm-sensors.service
331ms snap-gtk\x2dcommon\x2dthemes-1198.mount
297ms keyboard-setup.service
296ms rsyslog.service
281ms switcheroo-control.service
277ms snap-gnome\x2dcharacters-296.mount
276ms snap-core-7396.mount
270ms snap-gnome\x2dsystem\x2dmonitor-77.mount
259ms grub-common.service
259ms atd.service
254ms gdm.service
249ms systemd-udevd.service
242ms thermald.service
240ms pppd-dns.service
234ms snap-gnome\x2dlogs-61.mount
230ms ecbd.service
228ms apport.service
217ms snap-gnome\x2d3\x2d28\x2d1804-31.mount
210ms snap-gtk\x2dcommon\x2dthemes-1313.mount
209ms snap-core18-1074.mount
205ms snap-gnome\x2d3\x2d28\x2d1804-71.mount
197ms snap-gnome\x2dcalculator-406.mount
194ms hddtemp.service
192ms snap-gnome\x2dsystem\x2dmonitor-100.mount
191ms systemd-journal-flush.service
184ms snap-core-6673.mount
177ms snap-core18-941.mount
176ms teamviewerd.service
173ms snap-gnome\x2dcharacters-254.mount
172ms colord.service
151ms lvm2-monitor.service
146ms networking.service