Start by describing your issue properly and providing system info - inxi -zv8 and cat /etc/fstab as a start. What devices, what filesystem? Do they just not appear in the recent list or you cannot access at all? How are they mounted? What errors do you see, what do you expect to happen…etc. etc.
I can see the disks when running the following commands,
My question is why are they not showing up in the Dolphin page.
this happened after an update.
sda has Windows (120 GB ) & sdb has manjaro (512 GB)
❯ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 111.8G 0 disk
├─sda1 8:1 0 549M 0 part
├─sda2 8:2 0 110.6G 0 part
└─sda3 8:3 0 640M 0 part
sdb 8:16 0 476.9G 0 disk
└─sdb1 8:17 0 476.9G 0 part /
❯ sudo hwinfo --disk --short
\[sudo\] password for jkl-pc:
disk:
/dev/sdb NGFF 2242 512GB
/dev/sda KINGSTON SV300S3
Teo: free of charge formatting, one time.
Have you mounted them?
Here is what lsblk shows on my system
[tracy@daphne ~]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 1.8T 0 disk
└─sda2 8:2 0 1.8T 0 part /run/media/tracy/Extras
sdb 8:16 0 931.5G 0 disk
└─sdb1 8:17 0 931.5G 0 part /run/media/tracy/Music Related
sdc 8:32 0 1.8T 0 disk
└─sdc1 8:33 0 1.8T 0 part /run/media/tracy/Extras Extension
nvme0n1 259:0 0 953.9G 0 disk
├─nvme0n1p1 259:1 0 300M 0 part /boot/efi
├─nvme0n1p2 259:2 0 63.5G 0 part /
├─nvme0n1p3 259:3 0 20G 0 part [SWAP]
└─nvme0n1p4 259:4 0 847.7G 0 part /home
While yours shows no mountpoints.
post the output from
cat /etc/fstab
cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a device; this may
# be used with UUID= as a more robust way to name devices that works even if
# disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
UUID=57de8255-0658-4cd4-a0d9-3e612347f416 / ext4 defaults,noatime 0 1
tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0
Teo: how hard is it to use this </> button?
It looks like you might have hidden the “Devices” section in Dolphin’s panel. To get it back, you should right-click your pointer on one of the section headings (the lighter gray ones) - Places, Remote or Recent (according to your screenshot).
Note that you must do this on a section heading to have the following option pop up:
In my case, I right-clicked on Devices (which was already visible).
Then enable 
the Show All Entries option, which will display all sections in the panel.
After that is done, move your pointer down to the Devices heading, and ensure that the Hide Section “Devices” option is disabled (not ticked).
Once that is done, if you still want to keep some sections hidden, right click on the relevant section headings and tick its Hide Section ….
You can then right-click on any section header and remove the from Show All Entries to hide the sections you want to keep hidden.
The really important thing to remember is that the right-clicking must be done on section headings to see the Hide & Show options.
sda 8:0 0 111.8G 0 disk
├─sda1 8:1 0 549M 0 part
├─sda2 8:2 0 110.6G 0 part
└─sda3 8:3 0 640M 0 part
These partitions appear not to be mounted. as there is no mountpoint shown in your lsblk output and there is no reference to them in your cat /etc/fstab output.
as @Teo has requested repeatedly. use the </> button to paste your CLI output into when posting here.
