All Questions
Tagged with power-supply power
468
questions
1
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1
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68
views
Is it safe to connect only 2 PCIe 8-pin power connectors to triple PCIe 8-pin to 12VHPWR adapter?
I have a GPU with a 12VHPWR connector that came with a 3xPCIe 8-pin to 16-pin 12VHPWR adapter cable, but my current PSU only has 2 PCIe 6+2 pin connectors on the same cable. Is it safe for me to power ...
- 923
-3
votes
1
answer
41
views
Laptop needing a more powerful power supply?
I have chosen a laptop to use both for university use and gaming: Lenovo Yoga Pro 9 16IMH9. It is quite expensive and has great specs and features, but unfortunately has a major flaw.
According to one ...
- 1
0
votes
1
answer
30
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What happens if during RAR compression the laptop runs out of battery?
I was compressing a large file using RAR, so it took quite a while. During the compression at some point I had to unplug the computer and let it continue with battery only. After a few hours when I ...
- 1
0
votes
0
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23
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Can I swap the power cables for the motherboard at the PSU socker?
The last time I built a PC was when the Pentium was the new hotness. However, I have decided to build my own instead of buying a new PC.
I'm a bit confused with this modular power supply cable ...
- 111
0
votes
0
answers
26
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Display turning off causes power failure
I built a new pc and after adding the GPU, noticed that pc loses power shortly after display is turned off by power options due to inactivity. I used the same pc with the igpu only for a week where i ...
- 31
0
votes
1
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72
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Laptop is not charging when plugged and very laggy
I accidentally connected a Lenovo charger to my Dell laptop. After I realized this, I disconnected and connected to its Dell charger but now it doesn't charge. The laptop still works when plugged in ...
- 118
0
votes
0
answers
167
views
After unplugging my PC from the outlet, sometimes it won't boot for a long time
Before I go to sleep, I unplug my PC from the outlet, due to concerns about power spikes or something of the sort frying my computer. However, sometimes, when I wake up and plug it back into the ...
- 148
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213
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Laptop power button not working but battery discharge pinhole button is starting the computer, what might be the issue here?
I have an Acer Aspire A515-51G, the issue is suddenly the power button has stopped working, the battery is charging, but the pinhole that they have given; pressing it, actually starts the computer; ...
- 149
0
votes
1
answer
171
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Will this configuration supply the new gpu (Nvidia RTX 4000 ada) with too much power and damage it?
I just purchased an Nvidia RTX 4000 and it came with a 16(12+4) pin to 8 pin pcie adapter. Unfortunately it is only 4 inches long. The way my tower is configured it will not reach anything but the ...
- 3
0
votes
1
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250
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My computer runs fine on inverter power but can't turn on from off state. Will using an UPS between computer and inverter fix the issue?
A 900 watt sine wave inverter (with battery) is connected to mains. The PSU of my computer is 1000 watts. When there is power outage, my computer runs perfectly fine. But if it is already off, I can't ...
- 111
0
votes
0
answers
67
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Power supply problems
I recently had a laptop that would not boot a range of things.
It would not boot the existing installation of windows for the SSD.
It would not boot Ubuntu from a USB.
It would not boot the OEM ...
- 107
0
votes
1
answer
246
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Dell Inspiron 15-5558 - A battery with low health is detected, charged, but not used
I've been using Dell Inspiron 15-5558 laptop for more than 8 years without replacing the battery (cause I've been mostly using AC charger only) and today I've encountered an issue when the laptop has ...
0
votes
0
answers
343
views
100w USB-C to DC power adapter charging issues
I've been encountering some issues with a custom charging setup for my Razer Blade 15 laptop. My blade is a 2020 model that does not support USB-C charging. I wanted a more compact solution than the ...
1
vote
1
answer
557
views
Why is there a seemingly big difference in power supply input and output watts?
Looking at a power supply like:
I notice there seems to be a big difference between the AC input watts(240V x 5.5A = 1320W) and DC output watts (860W)
I read on this answer that Virtually all power ...
- 11
0
votes
1
answer
69
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Laptop power button seems to be disconnected
I've always had this issue with my laptop where it needs the power to be drained from the motherboard before it can start normally (7 year old laptop). And I've learned to do the whole, pressing down ...
