Questions tagged [post]
Power On Self Test, a routine that a device runs immediately after turning on.
17
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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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4
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Computer won't POST after power outage
I had just turned my computer on and windows was loading when the power in my neighborhood went out.
Normally, when I turn my computer on, the video card fan spins up, then slows down, POST and ...
23
votes
5
answers
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Why does pulling the power cord then pressing the power button fix a non-booting PC?
I've been working at this institution for about 6 years. One thing thing that I've always found curious is that sometimes—especially after a power outage—we find a PC that won't boot when the power ...
3
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1
answer
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Enabling AHCI causes BIOS to hang on POST
I have an ASUS P5QL Pro motherboard and a Seagate 7200.10 HDD. When I enable AHCI in the BIOS the BIOS hangs when detecting the HDD. After having searched around the web for a while this seems to be ...
3
votes
2
answers
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What does this beep code mean?
When I wanted to start my laptop today (an Acer Aspire 8920G), the laptop started beeping. I know this beeping is a POST error code, but I can not figure out which one it is. The motherboard of the ...
3
votes
3
answers
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No POST on previously working system
About four years ago I built this system:
Biostar TForce4 AM2 motherboard
AMD Athlon 64 3800+ @ 2.2GHz
2x512MB Corsair CM2X512A-6400 DDR2
ATI Radeon X1800XT (512MB RAM with dual outputs)
Antec ...
2
votes
2
answers
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Is my new Graphic Card cause for my PC hanging?
My Computer Specification
My Motherboard specification
My new Graphic Card
Some days ago I bought a GeForce 8400 GS Graphic card.
My computer satisfied all the minimum system requirements it ...
4
votes
2
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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 ...
4
votes
1
answer
2k
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Connecting a hard disk causes computer to not even POST
As a power user and a long time computer enthusiast, I'm flabbergasted by this problem. I've seen many things in my lifetime, but this one is new to me.
This is a long post, but an interesting ...
4
votes
10
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Motherboard won't power-on until it rests for ~10min with no power plugged in
I have a strange ASUS Rampage Formula motherboard issue.
When the computer is off — I can't power it on: 'Power' button press gives just a short impulse on fans. When I disconnect the power cable and ...
3
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1
answer
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"Do UEFI specifications completely replace the BIOS?"
Do UEFI specifications completely replace the BIOS? (From uefi.org/faq)
The UEFI specifications define an interface and the BIOS refers to a
specific implementation of the firmware that ...
3
votes
1
answer
1k
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PC hangs during post when webcam is plugged in
My PC keeps hanging during POST, just before identifying the amount of RAM, anytime I have my webcam plugged in. If I unplug the webcam, it will unhang and continue to boot up just fine. It also ...
3
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3
answers
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My computer won't POST when I install my new video card
My current Windows 7 32-bit system won't POST when I install my new Radeon HD5770 video card. When I pull out my new video card and replace it with my old nVidia 8800 GTS, it boots into windows fine. ...
2
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New computer won't boot
I've recently purchased a set of components and set about building my own desktop. It is not booting and I am stuck.
When I hit the power button, the fans spin, but that's all. There is no video. ...
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2
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Video card not detected in POST on initial boot
I have a minor problem with my desktop computer after cleaning it out for dust.
When I first boot up the computer, the video card does not get detected so I can't see anything. In POST, I'm getting ...