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1 vote
1 answer
5k views

How to replace HP SFF power supply of 240W by a more powerful power supply?

I have an HP Compaq Elite 8300 PC SFF, with this power supply: 613762-001. The documentation says that the current power supply is (only) 240W. I'd like to increase performance by installing a 750 TI ...
1 vote
1 answer
75 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 ...
-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 ...
0 votes
1 answer
30 views

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 ...
0 votes
0 answers
23 views

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 ...
0 votes
0 answers
26 views

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 ...
-1 votes
2 answers
6k views

Battery not charging, laptop only works when plugged

Yesterday my battery was working fine (for an old computer). It could sustain a normal usage for three hours at least. Today I have the following symptomas: I noticed that it didn't charge, even ...
0 votes
1 answer
73 views

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 ...
2 votes
1 answer
4k views

Adding another UPS battery in parallel, to increase runtime/VA capacity

Can one parallel two identical batteries and connect to the UPS, and will it act as a single battery of double the capacity? Or is there a problem electronically with it? According to this answer, ...
2 votes
2 answers
5k views

Melting/smoking universal AC adapter

I own a Samsung RV520 for 2 years now and 3 months ago my AC adapter stopped working and had to replaced. I went to the closest computer service and they gave me an universal AC adapter. Now, the new ...
0 votes
0 answers
168 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 ...
0 votes
1 answer
216 views

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; ...
0 votes
1 answer
172 views

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 ...
0 votes
1 answer
256 views

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 ...
0 votes
0 answers
67 views

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 ...

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