Skip to main content

All Questions

Tagged with
2 votes
1 answer
3k 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 ...
vslat's user avatar
  • 21
0 votes
2 answers
1k 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) ...
kchak's user avatar
  • 123
0 votes
1 answer
209 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://...
Suraaj K S's user avatar
0 votes
1 answer
4k 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? ...
qwertytam's user avatar
4 votes
2 answers
3k 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 ...
user1566515's user avatar
0 votes
0 answers
31 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 ...
BillZoro's user avatar
0 votes
1 answer
75 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 ...
aybe's user avatar
  • 195
0 votes
0 answers
99 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 "...
J Collins's user avatar
  • 708
0 votes
1 answer
392 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 ...
Zediiiii's user avatar
  • 262
0 votes
0 answers
33 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 ...
hades's user avatar
  • 145
0 votes
2 answers
5k 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 ...
Frank Fanelli's user avatar
2 votes
2 answers
2k 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 ...
Bluebug's user avatar
  • 205
2 votes
2 answers
2k views

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 ...
James Winthrop's user avatar
0 votes
2 answers
981 views

Custom PC with ASUS Z87-PRO locked in POST loop

I have built this custom PC with an ASUS Z87-PRO 4 years ago. I have been using it since without much problem. I have upgraded some components over the years like the hard disks without any issue. ...
Rémy Roy's user avatar
  • 111
0 votes
0 answers
124 views

Whine from PC internal speaker

I have a Gigabyte GA-990XA-UD3 motherboard with an internal speaker fitted to the front-panel connector block. It starts emitting a whine part-way through the POST, and I wonder if anyone can suggest ...
Borodin's user avatar
  • 127

15 30 50 per page
1
2
3 4 5
7