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Questions tagged [ground]

For questions about grounding home computers or networking equipment. Grounds are used to establish a common zero-voltage reference for electric devices in order to prevent potentially dangerous voltages from arising between them and other objects. Questions about grounding equipment other than home computers or networking equipment are off topic and should be asked at Electrical Engineering Q&A.

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Is it true that PC power supply screws are 'connected' to earthing/grounding pin of the power supply?

I was watching a YouTube video (I've provided link in the comments) where the user claims that sometimes when we don't have earthing done in our homes or you are using two pin plug in the socket, the ...
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0 votes
1 answer
119 views

Is it best to shield/ground an SSD in a laptop when the HDD was shielded/grounded?

I recently replaced a 2.5" SATA HDD in a laptop with a 2.5" SATA SSD. The HDD had thin piece of flexible metallic foil attached to it via adhesive and 2 screws. The foil had a lead that ...
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0 votes
4 answers
131 views

Grounding with a wood table vs a metal table standing on a carpet floor

I have the acer nitro 5 AN515-53. I'm standing on carpet flooring and I suspect that will produce static electricity overtime. Would a wood table and metal table have the same grounding properties as ...
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0 votes
1 answer
172 views

Can a ungrounded electrical system damage computer parts, such as a Wi-Fi card?

I bought an assembled pc, with components chosen by me, at a specialized store. The pc was new and was tested after assembly by the store technician. I used the pc for a couple of hours, with no ...
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1 vote
0 answers
61 views

Static noise through speakers when plugged into PC

I recently obtained a pair of really nice powered speakers for my computer setup- Dynaudio LYD 5s. My issue is as follows: when plugged into my PC, and powered on, the speakers make a very loud, ...
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0 votes
1 answer
442 views

Can laptop battery get damaged if charged from non grounded outlet?

Recently I noticed my laptop battery swelled large amounts a lot on both top and bottom. It is an internal battery and 2+ years old. I have suspicion that using a power outlet without earthing/...
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0 votes
1 answer
2k views

I can feel the electricity on my pc case [duplicate]

I have a pc that is connected to a UPS and connected to the outlet. When I turn on the UPS while holding the pc case I can feel a small electric shock, also when the UPS is on charging mode I can feel ...
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1 vote
1 answer
354 views

Speakers hum only when nothing is playing

Disclaimer: I know it's a ground-loop issue, of course, and there are multiple ways how to fix this, but the interesting bit that I wanted to point out here is that usually gound-loop hum is present ...
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0 votes
1 answer
45 views

Laptop Begins to Ground ⏚ after Booting Up

Even though my switch board socket as well as my charging laptop adapter supports 3 pin Earthing/Grounding. Whenever I begin to hot boot my laptop either from Shut-Down-state/Stand-By/Sleep/Hibernate ...
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2 votes
2 answers
3k views

Sparks when plugging HDMI

I have Philips 42PFL6877K/12 tv. I recently built a pc and i want to connect it to my tv. But there's a problem. I have grounding issues. My tv doesn't have earth pin so it's not grounded. When i try ...
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0 votes
0 answers
131 views

Help! "Ground Loop" preventing new PC from booting with Cat5 plugged in. Is there a fix?

I just built a new PC for a friend. Everything works perfectly in my home but not his. But when I delivered it and plugged everything in, we were plagued by (I'm assuming) Ground Loop issues. His ...
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3 votes
1 answer
1k views

Recommended Ground while testing Laptop with Multimeter? [closed]

I'm about to test my laptop motherboard to make sure a component is receiving power. All guides point out I need to connect my multimeter to a proper electrical ground. How do I locate such a ...
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  • 133
0 votes
1 answer
633 views

How to switch on secondary PSU out of main chassis

I have a machine with: Mobo: ASUS P5QL PRO RAM: DDR2- 8GB GRAPHICS: Gigabyte R7 360 series HDD: 6 discrete units plugged in 6 SATA ports. (some are 1TB, some are 500GB, some are 320/250GB) ...
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0 votes
3 answers
869 views

What does this power adapter symbol mean?

I have a laptop power brick with this symbol on it. It reminds me of a Class II symbol: but is, obviously, different. The central symbol looks like a noiseless (clean) earth (ground) symbol (see ...
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1 vote
1 answer
2k views

Can a metal case sitting on a metal desk damage my pc?

My steel tower case is too tall to fit on the bottom shelf of my metal desk. If I remove the rubber feet it would fit perfectly, but then the bottom of the case would be sitting on the bare metal of ...
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0 votes
3 answers
149 views

What are the effects of connecting a laptop to an outlet without ground?

I'm working outside from time to time, and my cord extender doesn't have a ground pin. What should I know about the effects of using a laptop without an outlet that has ground?
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-1 votes
1 answer
701 views

Keyboard runs a current through me but not through others

The keyboard is an EagleTec KG010. As you can see in the picture it has a metal top plate. When I tried it at my place before giving it to my girlfriend nothing of this sort happened. At her place we ...
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  • 1
0 votes
2 answers
2k views

Speakers connected to laptop make desktop monitor flicker

I've been wondering about the cause of this phenomenon for a long time and since I haven't managed to find a good explanation, I thought I'd post it here. My desk is in a corner, there's a radiator ...
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60 votes
8 answers
48k views

How to properly use an antistatic wrist strap when working on a desktop PC?

I would like to know how to properly use an antistatic wrist strap. By antistatic wrist strap I mean a band with a wire attached to it, with a metal clip on the end of the wire. From what I read ...
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1 vote
1 answer
5k views

How to discharge static electricity

I'm building a new PC. I never cared about grounding myself because I've never had problems, but this time I don't want to take any risks. This is a new PC that doesn't have a power supply installed ...
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3 votes
1 answer
383 views

How do I (electrically) ground a Toshiba Satellite S55 laptop?

I need to ground my Toshiba laptop as it says in the title. It is not a static charge problem because I live in the tropics. It also only happens when I plug in the laptop (the metal case becomes ...
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  • 31
0 votes
1 answer
893 views

Microsoft Surface Pro Earthing Issue

I have the original 128GB Microsoft Surface Pro. However, when I plug it in to charge, I get small electric shocks from the corners of the device. I have already tried different power supplies. Could ...
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0 votes
1 answer
1k views

Power Supply case measures 75V?

My friend showed me his dead computer. When I powered up, the green LED on the motherboard didn't even come on. He had bought a new $40 500W power supply and he wanted me to install it. I did, and ...
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18 votes
5 answers
49k views

Earthing: Is it important for laptops

I live in a hostel where there is no grounded/earthed connection. Will it harm my laptop or charger?
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  • 181
1 vote
4 answers
3k views

What Can I Do With US Laptop's Power Plug's Ground Pin?

DELL Latitude E6420 that i have got in USA has this plug: While i have these 2 UK adapters: Usually neutral and live fit, but ground pin creates here a problem as the plug won't fit into israeli ...
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12 votes
2 answers
24k views

Using anti-static wrist strap to ground against laptop

I want to do laptop maintenance and looking to ground myself with an anti-static wrist strap. How, or where, do I ground myself to the laptop? Where can I find a grounding point in order to not make ...
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  • 5,676
1 vote
2 answers
3k views

Which part of laptop is better to use for discharging static?

I don't like when static zaps me from keyboard or mouse or some random metallic part of casing, so I often touch some grounding before resuming working with the computer. However, it often disrupts ...
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3 votes
4 answers
4k views

Laptops without ground loop noise

I use my laptop with an external/Pro sound card. The biggest problem I have is that of ground loop/hum/noise when the laptop is plugged in. I don't want to 'lift the earth' fix as this is pretty ...
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  • 31
0 votes
2 answers
127 views

Ground cable question [closed]

Since the DIY forum in area 51 is in the private beta stage, i think this is the site to ask this question, a very easy one. I've this adapter And let's just say that I can't screw the outlet screw ...
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  • 312
6 votes
1 answer
6k views

Front USB Port Grounding Issues

I think I have a static electricity problem. I have two computers in my house and a fiancé that wears fuzzy socks. Sometimes, when she plugs in USB devices into the front ports of her desktop ...
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