Questions tagged [post]

Power On Self Test, a routine that a device runs immediately after turning on.

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22 views

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?
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25 views

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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16 views

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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24 views

NUC 5i7RYH won't send display signal until late in Windows boot

I'm looking at a PC which is a NUC 5i7RYH, connected to a Dell U2412M monitor, via a mini-DP-to-DP cable. When the machine is booted, one hears the Intel logo sound, but no POST nor anything else ...
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414 views

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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113 views

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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32 views

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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14 views

Strange PC sound after normal 1 beep POST

Specs: Motherboard: Gigabyte GA-H81M-S1 Processor: Intel Pentium G3220 3GHZ Ram: Corsair (4x2) 8GB Optical Drive: Asus Blu-ray writer HDD: Seagate Firecuda 1 TB PSU: Gigabyte P450B OS : Windows 7 64 ...
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37 views

Computer buzzes and won't start after getting new case

I just moved my computer to a new case, with no other hardware changes. It all worked fine before moving it. I left the CPU, RAM, and M.2 SSD on the motherboard during the move. Now, when I try to ...
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56 views

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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Use bash script to send POST request to RESTful API and process the result in json

I am using the approach in this question and successfully send the request to API, with incorrect fields I guess. I modified the request body but it still have problem. Unexpected end of MIME ...
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298 views

Using /dev/tcp in Bash script to send a POST request to RESTful API and process the result in json

I am using bash script to send POST request to RESTful API and would process the result in json. (curl, netcat wget are not available...) POST request should be in FORM and the API will return with a ...
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260 views

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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201 views

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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How to enable backup BIOS for an Optiplex 790 series?

Is there a secondary or backup BIOS for OptiPlex 790 Series BIOS Revision A11 should it prove necessary to manually fix? I'm not finding anything specific for this hardware relating to a corrupted ...
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152 views

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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29 views

Power on self test stuck (POST stuck at the manufacturers logo)

Bios do not engage POST. CMOS cleared. Battery replaced. Still stuck on the manufacturer logo.
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246 views

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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217 views

my asus b85m-g wont post with my new i5 4590

ive recently bought second hand a cpu, ram and a mobo. when i put it all together, the fans are spinning and everything seems to be fine except that i wont post. tried pulling out the cmos battery but ...
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74 views

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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29 views

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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1k views

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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192 views

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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342 views

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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1k views

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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293 views

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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1answer
65 views

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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2k views

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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61 views

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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616 views

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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104 views

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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1k views

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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22 views

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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5k views

Harddisk SMART faliure 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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67 views

Computer used to work with 16Gb of memory, now only works with 8Gb

I have a rather puzzling problem, my computer used to just work for many years but now it refuses to even pass POST. Trying to narrow down the problem, I figured out that by removing two memory ...
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45 views

CPUERR light after stress test and failure to POST. Is this definitely a CPU failure?

I have a high-value CPU (XEON E5-2698 v3) CPU that has failed a stress test (I believe). The ASUS Z10PE motherboard is lighting the CPUERR_LED3 light, the system fails to boot, stopping at Q-code 04 "...
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275 views

How to set headers using chromium kiosk mode?

I'm trying to create a dashboard on a Raspberry Pi using Chromium in Kiosk Mode. It works like a champ, except for one thing: I can't send headers. The intention is that when the raspberry Pi starts, ...
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2k views

Freshly Built PC Won't Post

I am having an issue with the PC that I'm building: it's not posting and there's no video output. When I turn on the PC a yellow/orange light appears on the motherboard; there are no beeps, the fans ...
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1answer
492 views

ThinkServer TS140 no POST (2 beeps) after BIOS upgrade

Yesterday I was experiencing a weird issue with Windows 10; the computer was outputting weird beeps (in Win10, not the BIOS) at random intervals. It sounded like Morse Code, to be completely honest. ...
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120 views

I have POST Exploitation I can't get rid of

I got infected with this kind of malware: https://www.blackhat.com/presentations/bh-usa-09/WOJTCZUK/BHUSA09-Wojtczuk-AtkIntelBios-SLIDES.pdf It is able to reflash my bios with an infected one if I ...
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464 views

Laptop gets stuck on dell logo

I have a Dell Inspiron 11 3000 laptop. Haven't used it in a while, now I tried booting up and it freezes at the dell logo. I removed all external peripherals, removed the WLAN card, and disconnected ...
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43 views

Computer switching on but turns off before boot

My PC was working fine 2 days ago, I have switched it onfor a short time to check something, then shut it down properly, seemingly no issues. Yestersay I tried to switch it on again, heard the fans ...
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1answer
991 views

ASUS M4A785TD: 1 long beep two short beeps

I've been having problems with my home server restarting after a few minutes of being turned on. Here are the major components. ASUS M4A785TD-M EVO AMD Athlon II X2 250 HIS Radeon HD 5770 I opened ...
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11 views

What protocols does MS Word Blog Post use to upload to webserver?

I would like to investigate and experiment with MS Word Blog Post to a WordPress website. This is not hosted on WordPress.com! What protocols does word use for webserver upload? Can this be setup ...
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1answer
155 views

Reduce BIOS Post/Enumeration Lag Due to Multiple HDDs

With ONLY my lovely NVME plugged into an x4 PCI-E slot, I can post/enumerate and boot within about 12-15 seconds (which is a bit slower than I'd like, but faster than the win 95 days =). However, I ...
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23 views

PC can't post, boots 1/5 times on average

I have run through the entire checklist of possible issues with PC startup, looking for that little extra help to resolve it. The PC is used approximately 2 years but the problem started occurring ...
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1answer
1k views

How to recursively upload a directory which has directories and files to a server through HTTPS using curl command?

This is the command I am using: curl --insecure -i https://XX.XXX.XXX.XX/project/conatinername/foldertobeuploaded/${file}.html -X PUT -H "Content-Type: text/html charset=UTF-8; -H "Content-Length:0" -...
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26 views

PC POST beep when boot up

I have one personal computer that when randomly not able to boot up (like few times in a week), every time it short-beeped once and not able to boot, so i searched online and found that, one short ...
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3k views

Can a water damaged motherboard or power supply ruin a functional CPU?

I found half of a desktop on the side of the road the other day. It included a 430 watt power supply, DVD r/writer, ASRock B250M-HDV motherboard, Pentium g4560 CPU, as well as a case with both side ...
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645 views

Can dusty RAM slot fail to POST?

Today after a heavy dusting in my house, I booted the pc (which was covered in a thin layer of dust already), it failed to post. It only worked when I cleaned the RAM slot. This once happened in my ...

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