Questions tagged [post]
Power On Self Test, a routine that a device runs immediately after turning on.
129
questions with no upvoted or accepted answers
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Laptop freezes before/during post
I have an Asus K70AB which has had an issue for a while. When it boots, there's a chance it'll freeze for an indefinite time before it seems to start doing anything. What it will do is:
The lights ...
4
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3
answers
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What are the possible causes of a not-booting motherboard with drdebug 00 code?
I have pursached a new Asrock Z68 Extreme4 motherboard with an i7 2600K and 2x4GB ADATA DDR3. My problem is that it doesn't boot or beep, and the onboard drdebug led constantly displays "00" - which ...
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Acer Revo R3600 Won't POST
I powered off my Revo this afternoon to change the power strip, plugged in a second USB hard drive and booted it up, only to find the machine won't POST. It's been running happily as an HTPC for at ...
3
votes
0
answers
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Computer only turns on after many hours off/unplugged
I'm having a problem with my PC.
My computer specs are:
Mobo: Gigabyte GA H81M S2PV
Proc: Intel Pentium G3220
Ram: 2x8GB 1333MHz Kingston (Passed on Mem86+)
PSU: Corsair CX430 III
HDD: Seagate ...
2
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1
answer
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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 ...
2
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2
answers
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Keyboard does not respond at POST screen, but works fine everywhere else?
Mobo: Gigabyte 7TESM
OS: Win 10 Pro
CPU: Dual Xeon X5650s
I’ve been dealing with this problem across two different motherboards. I understand it is an astronomically small possibility this happened ...
2
votes
0
answers
188
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PC double boots before POST, then boots normally
When turned on from any power state (S1-S5), including sleep modes, my PC turns on, then off, then back on and boots as if from shutdown, thus losing work and closing programs. The shutdown occurs ...
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2
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How to get the actual URL a post/submit form redirects to?
As you may know when you submit data through a form you are actually accessing an URL with your submitted data included in the URL as the query strings.
For example,
if the form asks you to submit ...
2
votes
0
answers
127
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No POST on new built desktop
I just finished building a desktop again and it will not perform a successful POST. No beeps or video either.
Since my goal is a successful POST, i removed all irrelevant hardware already and am only ...
2
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0
answers
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Computer Doesn't Always Turn on when Pressing Power Button
I have a desktop and my case's power button stopped working after a while. I reverted to using a small screw driver or paper clip to turn my computer on by touching the contacts on the motherboard ...
2
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0
answers
710
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Supermicro X9SCA-F won't POST anymore
I have about 20y of experience building systems (mostly for myself), but I have never seen a thing like this:
Since about 3y, I have a Xeon 1230V2 on a Supermicro X9SCA-F rev 1.01 and 32GiB ECC RAM ...
2
votes
1
answer
56
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Testing hardware in computer that fails to POST
With a computer that powers on and runs its fan, but doesn't get any further, what would be useful troubleshooting steps and diagnostic equipment (if any)? It seems undamaged to look at, and the user ...
2
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0
answers
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Posting XML wrapped in SOAP posted using Curl results in invalid XML character was found exceptions
Sending an XML file using curl results in:
Invalid XML character (Unicode : 0x<integer>)
Attempt to solve the issue
According to this SO answer the issue will be solved if the XML version is ...
2
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0
answers
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Graphics card clicking during POST
During the POST the graphics card makes a rhythmic clicking sound and the post lasts much longer than usual. However after 5-10 seconds the computer boots as normal.
When I remove the graphics card ...
2
votes
0
answers
414
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Dell OptiPlex 755 Hex Code on BIOS Launch?
We have a Dell Optiplex 755 which is freezing at POST and displaying what appears to be a hexadecimal string in the top-left corner of the screen, like so:
Any ideas on what is causing this?
2
votes
1
answer
634
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Windows 7 Ultimate 64-bit complete system failure
I'm having a problem with Windows. Here are my system specs:
i5-2500K Sandy Bridge
ASUS P8Z68-V PRO LGA 1155 Intel Z68
G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
EVGA ...
2
votes
1
answer
306
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BIOS not reaching post
GT70 0NC-012US
Issue: BIOS not reaching POST.
Backstory:
Several days ago my slave HD started to lock up the OS with any related programs running from that disk. In an attempt to fix it, I used ...
1
vote
0
answers
99
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Why is cURL returning just two square brackets with this request?
This curl request returns empty square brackets []:
curl "https://www.bathnes.gov.uk/NodeAPI/geoDataLookup/getGeoJSON/-2.8530120849609375/51.263633525637/-2.126541137695313/51.456574106519724/11&...
1
vote
0
answers
88
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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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0
answers
200
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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'...
1
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0
answers
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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)...
1
vote
0
answers
71
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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 ...
1
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0
answers
628
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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, ...
1
vote
0
answers
2k
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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 ...
1
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0
answers
130
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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 ...
1
vote
0
answers
27
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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 ...
1
vote
0
answers
75
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PC POST issue four beeps and no video signal
in last week i had a problem with my pc. In POST step i haven't received no beeps and no signal video. I tried to start it without HD , video card, resetting bios, no of this steps had solves my ...
1
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0
answers
226
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Asus M4A785TD-V EVO motherboard - hardware configuration changed, now it won't POST or give error codes. Are one of the below parts incompatible?
Basically the whole configuration has been changed since a "working config".
new RAM has been installed: DDR3 Corsair vengeance (2X8GB, CMY8GX3M2A2133C11R)
a new power supply: 600W, Chieftec
video ...
1
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0
answers
116
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PC always crashes when trying to wake; then won't even POST until CPU and CPU fan are re-seated
Around 2 months ago, my desktop crashed and would not POST. I went through the normal steps, including completely reassembling and disassembling the computer, and after reassembly it would boot again. ...
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0
answers
345
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Gigabyte Z170X Gaming 7 Integrated Graphics Not Working
I was stuck in a BSoD boot loop earlier today. I went to go reformat my SSD, but now I can't even get the PC to where I can access the bios. My GTX 970 has stopped displaying anything as well, and ...
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1
answer
2k
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No POST, no video on startup after BSOD
I have an Alienware X51 desktop running Windows 10 and it won't power on anymore after I got a blue screen of death (code DRIVER_IRQL_NOT_LESS_OR_EQUAL; with the new windows BSOD this is all the ...
1
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0
answers
399
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ASUS Z170-A build won't POST on assembly
I've been trying to help a kid build his first PC, and I'm starting to get a little irritated. a lot of the components he got are overly complicated and complete overkill for the system he's building ...
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1
answer
3k
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How do I Curl command line POST form data returning HTML page with answer
I am trying to read a single value from a web enabled device. The device has a simple Post form which when will return an HTML page. This works fine from the browser, but not from the command line:
# ...
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2
answers
4k
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ASUS Z170 stuck on boot_device error LED
I've just bought this motherboard, added PSU, CPU, RAM and turned it on (using on-board video for now). Lights come on in turn indicating it's checking CPU, RAM, VGA and finally boot device, which it ...
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0
answers
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Defective hard disk: Software evidence of last functional activity?
I am calling for Stack's arcanes to know whether it is possible to provide software-based evidence of a Windows 10 laptop's last operational activity before the hard drive went nuts.
The scenario is ...
1
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1
answer
2k
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acer aspire x3995 desktop continuous beep on startup
PC was beeping 4 short beeps and after some google decided to move ram to a different slot. I didn't ground myself and now it continually beeps on startup.
I have unplugged everything from mobo ...
1
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0
answers
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Flashing BIOS using an external SPI programmer
Has anyone succeeded with BIOS flashing using an external SPI programmer ? I saw some cheap serial flash spi programmers on eBay for very cheap price such as $3. (CH341A based programmers)
I was ...
1
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0
answers
739
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Intermittent PC POST - what else to check
I know there are thousands of questions where a machine won't POST or boot, but I'm experiencing something slightly different.
I've got a fairly standard desktop (motherboard with onboard graphics, ...
1
vote
1
answer
110
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Computer refuses to POST
Computer refuses to POST. What it will do is the fan spins up, and the lights come on on the motherboard, but other then that it just sits there and laughs in my face!
Here is what I have done... I ...
1
vote
1
answer
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Can't sometimes access BIOS or Windows after startup
Sometimes after I start up my computer it freezes in the "press Del or F2 to enter UEFI BIOS setting" screen and doesn't react to those buttons. The backlight on the USB keyboard is lit but it doesn't ...
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0
answers
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Slow POST after resetting BIOS
After I did a BIOS reset (by taking out the CMOS battery and putting it back in), every time I boot now, POST takes ages. Not necessarily the POST itself, but it will stay stuck on "Loading Operating ...
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2
answers
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no POST while booting. monitor not displaying anything
The monitor not displaying anything.
I don't hear the POST signal as well. ( the beep while booting )
Things that I have tried.
Connected MONITOR to laptop ( which I am using currently ), displaying ...
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0
answers
718
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pc hang at motherboard's splash screen
last night my pc was working normally. Today when I power on my pc it just hangs at motherboard's logo screen. The keyboard was working slowly (when I press num lock key the light indicator works ...
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3
answers
2k
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Compaq Deskpro EN: 1 long beep, 2 short beeps, caps lock flashes
I have a Compaq Deskpro EN and I am getting one long beep and two short beeps on bootup, the caps lock light is flashing and no video. The case has a sticker which says this means "no video." But what ...
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1
answer
1k
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Laptop Acer Travelmate 4050 takes over 10 Mins to POST
I am a computer tech and have received a laptop for repair. I noticed when I turned it on the laptop would not do anything for a min or two (the fan would run up and stop, power led would shine and ...
0
votes
0
answers
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Not POSTing Without Graphics
I have a homelab with an ROG STRIX B760-I Gaming Wifi motherboard (bios manual), and upon changing the operating system it will no longer POST unless I have a graphics card. When there is no graphics ...
0
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1
answer
148
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Identical RAM won't work, second pair
Motherboard: GIGABYTE Z690 AORUS Elite AX
RAM: CORSAIR VENGEANCE DDR5 RAM 32GB (2x16GB) 5600MHz CL36 Intel XMP (CMK32GX5M2B5600C36)
I ordered another two, identical sticks of RAM last week, and they ...
0
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0
answers
202
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Computer not booting with single RAM stick. Could Dual Channel be required?
I have just recently ordered new computer parts. In the motherboard and CPU spec, only dual channel are specified. Does that mean my computer may not be able to post and boot normally because I am ...
0
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0
answers
225
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Gigabyte Z97 D3H won't post after shutdown, fixed by RAM reconfiguration every time
My Gigabyte GA-Z97-D3H motherboard has recently developed new problem. I works OK as long as I don't shut down computer but only put it to sleep. If I shut it down, the next time when I turn it on, it ...
0
votes
0
answers
188
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Nginx not passing post request to subdomain properly
I am having issues passing a post request to database on subdomain from top-level domain.
I have a django backend connecting a Postgresql database with an Angular frontend and am using gunicorn and ...