Up until an update yesterday the machine worked perfectly.
Here are all the machine specs:
Machine: Device: desktop Mobo: Intel model: NUC5i5MYBE v: H47797-205 serial: N/A
System: Host: appenzeller Kernel: 4.15.7-1-ARCH x86_64 bits: 64 Console: tty 0 Distro: Arch Linux
UEFI: Intel v: MYBDWi5v.86A.0026.2015.0820.1501 date: 08/20/2015
CPU: Dual core Intel Core i5-5300U (-MT-MCP-) cache: 3072 KB
clock speeds: max: 2900 MHz 1: 1086 MHz 2: 1959 MHz 3: 1463 MHz 4: 1557 MHz
Graphics: Card: Intel HD Graphics 5500
Display Server: N/A drivers: intel (unloaded: modesetting,fbdev,vesa)
tty size: 141x42 Advanced Data: N/A out of X
Audio: Card-1 Intel Wildcat Point-LP High Definition Audio Controller driver: snd_hda_intel
Card-2 Intel Broadwell-U Audio Controller driver: snd_hda_intel
Card-3 GN Netcom driver: USB Audio
Sound: Advanced Linux Sound Architecture v: k4.15.7-1-ARCH
Network: Card: Intel Ethernet Connection (3) I218-LM driver: e1000e
IF: enp0s25 state: up speed: 1000 Mbps duplex: full mac: b8:ae:ed:79:c4:74
Drives: HDD Total Size: 128.0GB (51.3% used)
ID-1: /dev/sda model: TS128GMTS800 size: 128.0GB
Partition: ID-1: / size: 44G used: 23G (53%) fs: ext4 dev: /dev/sda2
ID-2: /home size: 70G used: 36G (54%) fs: ext4 dev: /dev/sda4
ID-3: swap-1 size: 4.29GB used: 0.00GB (0%) fs: swap dev: /dev/sda3
Sensors: System Temperatures: cpu: 29.8C mobo: 27.8C
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 148 Uptime: 1:02 Memory: 916.2/15912.0MB Init: systemd Client: Shell (bash) inxi: 2.3.56
I use lightdm as the window manager. The upgrade required the service to be restarted. After the restart the display went black. I moved the HDMI to the other port, I tried another monitor, nothing.
What I have found is that the keyboard still works.
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I understand that the unit is no longer posting. I apologize for any inconvenience.
Regarding this, what I would like you to do is to try a BIOS recovery. Please refer to the link below and download the ".bio" file:
Once the file is downloaded, please follow the steps below:
BIOS Recovery by the Power Button Menu
Download the Recovery BIOS (.BIO) file. Example:
Copy the recovery file (*.BIO) to a USB device.
Plug the device into a USB port of the target computer when it's turned Off.
Press and hold the power button down for 3 seconds, then release it.
The Power Button menu appears.
Press F4 to start the BIOS recovery.
Wait 2–5 minutes for the update to complete.
The computer turns off when the recovery process is complete, or it prompts you to turn it off.
After these steps are done, check if the unit still randomly reboots or if it properly posts, please let us know the outcome.
Sorry for the long absence. I was away on business.
Your solution works perfectly the first time I tried. The system is now back and operating.
Thank you for the support.