Questions tagged [post]
Power On Self Test, a routine that a device runs immediately after turning on.
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WOL to perform Post Reboot
We have a scenario where some machines get stuck in POST and the fix is to simply reboot it, doing so, requires a physical reboot as PC is not fully boot and doesn't have network access, is it ...
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Curl allows application/x-www-form-urlencoded without actually encoding, is it valid?
curl -X POST [::1]:1024 -d 你好 allows to send non-ASCII without percent encoding, is it valid?
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Who is responsible for checking/ blocking a laptop from booting due to low battery? Motherboard's POST, bootloader or the kernel?
is it the motherboard's post that will prevent a critically low battery from continuing with booting up the OS?
is it the bootloader's responsibility? (e.x GRUB)
or is it the kernel who runs some ...
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Why does any RAM I put in my PC read as bad?
I've been building computers for 15+ years and this one has been 10x more trouble than anything I've ever seen. I'm on my 2nd motherboard now, and 3rd set of RAM, and I can't get a booting system. I'...
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System won't POST after BIOS upgrade (Asus z170-A)
After a "hard" power on (plugged in for first time) the "CPU" QLED stays lit and the device hangs.
If I reset it, the CPU check passes and the "Boot device" QLED stays ...
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PC wont boot and light flash when trying to power down
I have a PC i'm building with old parts from my main desktop and it wont post. It boots up and the fans spin; however it will not do anything else, even turn off. When I try to turn it off the lights ...
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Intel DZ77RE-75K fails to post with LSI 2008 SAS HBA installed
I am trying to repurpose proven working Intel DZ77RE-75k system for my home server by installing an LSI 2008 HBA to attach my existing ZFS array.
As soon as I install the HBA the system will fail to ...
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HIS Radeon HD 5770 (H577FK1GD) isn't recognized on an H-JOSHUA-H61-uATX motherboard
I've got an old HP H-JOSHUA-H61-uATX motherboard that is running just fine after a BIOS update to 8.20. But when I plug in my working H577FK1GD video card there's no POST. pcpartpicker says they are ...
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Getting 5 beeps plus another 5 beeps on a ThinkPad T440p
So, I am trying to repair a ThinkPad T440p for a family member, and I am getting the 5 beeps of death. It is a T440p with an i5 and Nvidia Graphics.
Basically, when I press the power button, it beeps ...
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Computer restarts after turning on, then stuck
I encountered a strange problem with my computer a few days ago.
My computer suddenly turned off, then turned on again, then, after 1-2 seconds it restarted again, and it got stucked. The screen didn'...
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Custom desktop PC won't boot or POST after power outage
After a brief power outage the other night, my custom desktop PC won't display anything even though it's plugged into a surge protector. The power turns on (the LEDs and fans activate, keyboard light ...
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BIOS message about electrical fault after not plugging in router properly on same 4-plug extension
When I first set up this system (bought new in 2022) I had the computer, monitor, speakers, and router plugged into one four-plug power extension. I didn't realise, but the router was only half ...
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Asus ROG GL752V Laptop stuck at Logo, wont POST, can't access to BIOS
I've been having this problem after updating my laptops windows, when I turn it on, it won't go past the asus logo and I can't access to the BIOS either, I disassembled it and disconnected everything ...
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Computer died after pressing reset button, DRAM Led stuck on
yesterday after a long gaming session I decided to quit the game and my PC stuck at the exit screen, I couldn't move my mouse pointer, ctrl+alt+del didn't didn't work and out of frustration I decided ...
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PC won't post after every power outage
I moved into a college dorm a few days ago and whenever I leave the room I have to take my student ID with me, without the ID in its place the room loses power.
I had to learn the hard way that this ...
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Notebook won’t post with 4Gb RAM
I'm trying to upgrade the RAM memory of an old notebook from 1x2Gb to 1x4Gb:
2Gb (top stick)/4Gb (bottom stick) DDR3 SO-DIMM
According to the manufacturer specs, this notebook supports 8Gb max (2x4Gb)...
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Desktop computer won't boot after BIOS changes
I have an iBuyPower desktop that is a couple years old. I was doing windows updates and it notified me that my computer didn't support windows 11 due to no trusted platform module. (Warning, idiocy ...
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Dell Optiplex 9010 will not post with PCIe graphics card
I was given a Dell Optiplex 9010 minitower to troubleshoot. Everything works fine, until you plug in a PCIe graphics card. The machine boots off the Intel integrated graphics. If a PCIe graphics ...
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How can I fix an SSD that causes a POST failure but works in an enclosure?
My OS boot drive appears to have failed today: after the computer resumed from sleep (for reference, Windows 11 on an Intel NUC), the system reports unsuccessful POST attempts, and will not boot.
In ...
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Can't POST when UWQHD display connected via DisplayPort
I'm using the LC-M34-UWQHD-144C monitor connected via DisplayPort. My devices are a
Thinkpad T480s with a i5-8250U on a Thinkpad Ultra 40AJ 0135 dock, set-up to use a longer boot-time to find ...
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Dell Inspiron 5378 won't boot (or complete POST) after black screen
I have a Dell Inspiron 5378 (i7 7th Gen) that was delivered in June 2017 (out of warranty). It is running Windows 10.
In the middle of use today under AC adapter power, it simply shut off (black ...
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gigabyte x570 elite aorus not booting up or giving power to peripherals
I build yesterday a system with
aorus elite x570
ryzen 5 3600x
32 gb ram (2x corsair sticks)
Initially it worked fine all day yesterday, installed windows and so on.
Sometimes monitor did not pick up ...
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MSI MEG X570 unify based, brand new system - Error Code 54 in POST
First, about the system:
Corsair HX750 80+ Platinum
MSI MEG x570 unify
Ryzen 9 5900x
2 x 16GB DDR4 3600 CL19 (Corsair LP)
Powercolor RED DRAGON Radeon 6800
Samsung 980 PRO M.2 SSD 1TB
I also attached ...
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No POST in an AIO system
I recently installed a Linux distro on an All-In-One system, but after seeing the video output was wrong, I googled to find out how to turn off the internal GPU, forgetting this system doesn't have a ...
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Laptop making alarm sound when started
I have an HP Pavillion 15t laptop, but it froze at POST and is making a siren sound, similar to one of a police car. What is causing the noise and preventing my laptop from starting?
user1308811
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Newly Build Computer Not Running POST
I build a computer using entirely new parts (except for the video card with I used in my old computer for about a month before deciding to upgrade everything). When I turn it on the fans run and some ...
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Asus Laptop not posting turns off (kb backlight turns on) then turns off after a minute
I have an Asus FX504GE that isn't posting (screen stays black) but kb backlight turns on, then laptop turns off after a minute or so.
Brief Background
Bought it back in Nov/Dev 2019. It had some ...
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Removed CMOS battery and replaced, now system won't boot
Using ASUS 470, intel I5, Geforce 1060.
First, I was updating the ram from the 8gb it came with to 32 from a Corsair kit I had laying around. When I attempted to change the memory speed in the bios ...
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Newly assembled PC build fails to POST
I recently put together a PC, intended to be used as a x86 router running either IPFire or OPNsense, but that's not so relevant yet, since when I try to turn it on, it doesn't even get pass POST. ...
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PC won't post after Ubuntu 20.04 suspend
After suspending my computer (Running Ubuntu 20.04 LTS) it seemed to shut down like normal. To wake it up, I tried pressing the power button, holding it down, and pressing keys on the keyboard. None ...
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Machine stuck at POST 33h when memory modules installed as dual-channel
I just setup a new machine with the following (relevant) configuration:
CPU: Ryzen 9 3900X
MB: ASRockRack X470D4U (I aimed for its IPMI functionality - turned out to be super useful)
Memory: 2 pieces ...
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Motherboard no post issue. ASRock x370 Fatal1ty Gaming X
a new build, that I almost finished today won't post.
After the push of the power button purple led's light up for a couple of seconds, after which they are replaced by blinking red ones. The lights ...
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Computer not booting after removing graphics card?
A recent machine was given to me use as a ProxMox (basically Debian) server. It uses an Asus H310M-K motherboard and it came with an Nvidia Geforce 710 graphics card. It booted already just fine, even ...
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stuck in POST for an OptiPlex 790 series with no Boot Options
The BIOS shows:
OptiPlex 790 Series
BIOS Revision A11
the bar is fully across for finishing POST but won't proceed. I've swapped keyboards. It's fairly newly purchased. There's only keyboard and ...
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Z390 HD Gigabyte - new build - no POST or Boot
So it's not my first rodeo building a PC, but it's been a few years since I have needed to.
We're going with a Gigabyte Z390 UD, i7 9700K CPU, 4x8GB RAM which is rated to 4000MHz and a nice 8GB ...
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Hard disk stopping the entire POST process and causing PC to lock up
I have an old PC from 2005, just for nostalgia purposes. After adjusting the partition map of its main HDD and rebooting, the whole system locked up at the POST process. Even pressing Delete in order ...
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Computer not entering POST?
I'm fairly clued up with this stuff but a bit rusty so bear with me haha.
Since I built the computer it has always had issues with POST if the cmos battery was ever removed it took a good 5 minutes ...
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ASUS motherboard keeps restarting, CPU and DRAM POST LEDs flashing
Seeking help for motherboard ASUS ROG Strix z370-e gaming, which suddenly stopped working. Just to be clear, this is not a new build - my PC has been working flawlessly for a long time and last ...
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pc not posting after it randomly shut off
This morning I turned my PC on and after logging in I noticed that the time is still the same from when I last turned it off. So I changed it back to normal and after clicking apply and closing the ...
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Why does my newly built PC not POST?
I'm currently building a PC for a family member. I've assembled the parts like usual, but when I turn on the PSU, the LEDs of my motherboard blink red and I can't boot the PC. I've tried to connect ...
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ASUS ROG B450-F motherboard QLED blinks in sequence and won't post
For some odd reason my computer won't post, the QLEDs on my ASUS ROG strix are stuck in a loop flashing in sequence and won't post. All the fans turn on. I removed all peripherals and is currently ...
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Is thermal paste necessary for a short POST test?
So I got a bunch of parts for a new PC just now. Unfortunately, as I was examining the CPU cooler (for a Ryzen 3700x), I scratched a bunch of the pre-applied paste away away. So I (I don't know why) ...
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The relationship between POST and BIOS after power-on
During a discussion, I was told that the POST was part of the BIOS, and so, it is the responsibility of the BIOS to set up everything (self tests and all)
I was reading the intel manual... http://...
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New build - No BIOS screen, no POST beeps
So trying to build a new AMD based system, but having no such luck - the power LED and CPU fan turns on, but no POST beeps or BIOS screen. Specs and list of things I've tried below. Any suggestions?
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Clear memory content in POST
I would like to check something about Power-On-Self-Test, How should I enable the Power-On-Self-Test (POST) to clear the memory content?
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Asrock X570 CPU+DRAM red leds on
After powerup the motherboard immediately lights up the CPU and DRAM leds, and the VGA and BOOT never does. The machine does not go any further than that in POST. No image. Moving the RAM pair did not ...
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Load balancing with Nginx: POST requests are not forwarded to the next upstream server when the current is down
I'm using Nginx as a load balancer between two webservers.
I noticed that, when one of the two webservers is down, GET requests are well forwarded to the second one, while POST are not:
Here is the ...
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After working for over 4 years, a custom PC won't POST
Configuration:
CPU: Intel Core i7-4790K
Motherboard: ASUS Z97-A ATX DDR3 2600 LGA 1150
RAM: Crucial Ballistix Sport XT 16GB Kit (8GBx2) DDR3 1866
PSU: Corsair RM750
When I turn the PC on, the ...
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Custom built PC no video and no beep
I have this built PC since 2014, but i didn't use it at all since 2017 because I've moved to another city and couldn't bring it with me. Lately I've been trying to power it up to no avail, it powers ...
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Harddisk SMART failure detected, turn off check on every boot
I have windows 10, updated to 1903 a few days ago. I have the Asus z170 motherboard and have three Hard drives, one an SSD which has my windows installed on it and another one is 1tb Seagate and ...
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