Laptops (also called notebooks) are portable personal computers with an integrated screen and keyboard. They come in a variety of sizes.

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Should laptops remain plugged in when their battery is 100% charged?

When your laptop's battery is 100% charged, should you leave it plugged in so any battery power doesn't get used, or will that cause overcharging, overheating, etc.? Should the laptop be unplugged ...
137
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Why are laptop screens sized the way they are?

We've been discussing this in the Comms Room on Serverfault, and thought it might make a good question on SuperUser...especially if there's a clear answer. The hope is that it is a Good Subjective ...
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Is it better to use a laptop on battery or on AC power?

When I'm at home, is it better to use the laptop plugged into AC power, or with just the battery, for the overall battery life?
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What is the purpose of the tiny ruler that I've just pulled out of the side of my Dell Latitude E6430?

On the side of my Dell Latitude laptop, above the DVD drive, is a slot marked 'EC'. Pulling on it revealed a strangely shaped ruler with a temperature converter tool on the back. What is this? Why is ...
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Can a 7 days full 100% CPU load “burn-in” / “stress test” damage a modern notebook? [duplicate]

When I buy new computers, I usually do a "burn-in" with 100% CPU load for, say, seven days, in a well ventilated place. This is to find out if the computer has problems before I invest time into ...
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7answers
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Is CRT degaussing really dangerous for nearby laptops?

I have an old CRT connected to laptop as a secondary display. As you know, when CRT turns on it degausses itself; remember that sound when you turn it on, or force degaussing through menu. CRTs ...
70
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Can I use my laptop as a second monitor?

Is it possible to make my laptop's screen act as a second monitor for my desktop computer?
57
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11answers
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How do I Connect a 30yr-old Tandy 1400LT laptop to the internet?

Just for the fun of it, I want to get an old Tandy 1400LT laptop: NEC V20 (Intel 8088 equivalent) 640 KB RAM 9'' CGA backlit monochrome display two 3,5'' 720KB DD floppy drives RS-232C serial port ...
53
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What is the correct term for the mouse pointer/nipple/joystick thingy in the middle of a laptop's keyboard?

I want to call it a "mouse nipple" or maybe a "joystick", although I know these are not correct. It's different from the touchpad, which is below the keyboard and has dedicated click buttons. ...
51
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9answers
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What is the right procedure to safely remove stickers from a laptop?

My new Dell Studio 15 has those annoying "permanent" decal stickers for Windows Vista and Intel Centrino processor. I want them gone. I don't want to try to peel them only to discover that I've ruined ...
50
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Commuting with a laptop that is powered on

How safe is it to leave my laptop running a build or other time-consuming task when I am traveling? I mostly travel on a two-wheeler, with my laptop in a backpack, strapped vertically to my back (left ...
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What is it that kills laptop batteries?

There are many superstitions on what you must never do lest your battery become worthless - and by worthless I mean hold about 16 - 24 seconds of charge. This has happened to every laptop I have ever ...
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Connecting 2 External Monitors to a Laptop?

Equaling 3 Displays Total (or 2, if the laptop display cannot be used). I work at home on two large monitors, but at the office on a laptop with a single large monitor. Is it possible to attach two ...
38
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Laptop power supplies, does current matter?

I have two laptops (same manufacture), with the same type of power connector. However, the power supplies/transformers are slightly different. The output on the first laptop's power supply is ...
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How to disable NVIDIA Optimus on a Dell XPS 15?

I've got a new Dell XPS 15 (L502x) with an NVIDIA GeForce 540M, Intel Core i7Q 2.2 Ghz, and Crucial RealSSD hard drive. As with most laptops with NVIDIA cards these days, it's got the "Optimus" ...
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How to prepare your PC or laptop for theft

Of course preventing them from getting stolen is the top priority, but invariably, someone is going to get jacked. What are some good practices to minimize the damage incurred when your PC is stolen? ...
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Why do laptops need fans but tablets don't?

I'm curious why a tablet doesn't need fans but all laptops do, even the cheap and less powerful netbooks. I thought at first it would be that the screen on a tablet is smaller than a laptop, so the ...
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The Flight I am taking has USB ports for power… how can I use it to charge my laptop? [duplicate]

Possible Duplicate: Charge a laptop via USB power (500mA)? I will fly to China in the next month which will take a mammoth 18 hour flight. The plane has USB power source on it. I know USB ...
25
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2answers
991 views

How does Windows detect battery issues?

I have a laptop that's a little over 5 years old, and I've never changed the battery, so I believe Windows 7 when it tells me "there is a problem with your battery", and to consider replacing it. My ...
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Greasy water in laptop's DIMM slot

My wife was having dinner in front of (on top of) the laptop and she spilled some soup onto it, right above the touchpad. Almost all of the soup ended up in the upper DIMM slot which sits underneath ...
21
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3answers
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Is it problematic to never turn off the laptop? [closed]

I have been just closing the screen and I found that very convenient, but, is it better to turn off each night? Does this make any difference how long the laptop will last?
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What makes a laptop overheat?

Is there a correlation between CPU usage and heat? RAM usage? Other things? How can software affect overheating in a laptop?
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How can I set the fan speed to 100% on a laptop?

I recently purchased a HP Pavilion dv7-4031. When it's cool, it works smoothly and efficiently. However when CPU and GPU temperatures reach 60c and above, the PC starts freezing up and stuttering. I ...
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Is there a way to close the lid on a MacBook without putting it sleep?

Is there a way to close the lid on a MacBook without putting it sleep? This would be useful when connecting the macbook to an external display, for instance. I've never been able to figure it out ...
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Can a new battery go bad if unused

My old 2008 macbook's power adapter died recently and since I was not sure if the problem was it or the battery, I ordered a new generic battery as well just to speed things up. After I received my ...
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What features should I look for in a laptop for virtualization-heavy workloads?

I do most of my development in VMware Workstation (version 7 at the moment). Unfortunately, on my laptop with 4 GB of RAM, an OCZ Vertex 2 240 GB, and a Core 2 Duo T9550 (2.66 GHz) does ...
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What are some good practices for making sure my laptop battery serves its full life?

Basically, I'm looking for some do's and don'ts. Is it bad to keep my laptop plugged in when I'm not using it (majority of the time)? Is it bad to plug it in once I've finished using it (with it ...
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Is it bad to put your computer in sleep mode every time?

Often I have a lot of stuff open and don't feel like shutting down my laptop, so I just use sleep mode when I'm transferring it. But I have no idea if this might have any disadvantages. So my ...
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Disable CD eject button on Windows laptop

Most laptops have a CD eject that is very sensitive, and placed such that it regularly gets triggered when handling the laptop. This is in particular a problem (for clumsy-handed me) when picking up ...
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Ways to physically secure laptop that has no kensington lock

My company is planning to buy several laptops for demonstration purposes in a convention stand. Previously, we always bought laptops that have kensington slots for the typical cable locks. Now, the ...
17
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2answers
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reduce laptop touch pad sensitivity in ubuntu

I have Ubuntu 10.10 Maverick Meerkat installed. The problem is that the tap to click feature on my touchpad is too sensitive in ubuntu. It works fine with windows. I randomly end up clicking things ...
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Laptop wireless networking options: 1x1 vs 2x2

I am currently customizing a Lenovo Thinkpad. Under the section "Integrated WiFi wireless LAN adapters" there are two options. Default: ThinkPad 1x1 b/g/n Upgraded: ThinkPad 2x2 a/b/g/n (+$10 AUD) ...
17
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Is there a significant limitation on useable software on a 64-bit Windows machine?

I have a 32-bit laptop that I've had for like two years. I'm getting a new one now, and I'm now noticing that lots of laptops come with Windows 7 64-bit. I've always heard that it's harder to find ...
17
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Will a 7mm SSD fit in a 9.5mm laptop HDD slot?

I'm planning to purchase a Crucial M4 256G SSD. There are 2 versions though, 7mm and 9.5mm, at the same price on Newegg.com My current laptop is 9.5mm SATAII. However, I plan to purchase a new ...
17
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Can I make Windows 7 change my proxy settings based on my network connection?

Moving my LapTop between work and home I need to change my internet proxy settings. Is there any build in way for windows 7 to change these settings based on my currently active network?
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Difference between a netbook, a notebook, and a laptop

What's the difference between the terms 'netbook', 'notebook', and 'laptop'? I've always just called portable computers "laptops", but apparently there is a technical difference between the three.
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Will the ethernet pull bandwidth if unplugged?

I'm fairly certain that this isn't a problem, but like a phone charger it will still pull electricity even though you aren't charging anything if you leave it plugged into the wall. Though minimal it ...
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Does more RAM usage cause more battery usage?

I'm using a 2 year old 15" AMD laptop running Windows 8, and its battery life is not as long as the brand new ultrabooks for sure. In the place I'm currently working I don't have access to a power ...
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Is it possible that my laptop shut down because my mobile is too close?

If I put my phone on my notebook's left corner, it shuts down. Can anybody give me reliable explanation as to why this is happening??
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Software to hold battery at 50% charge level

My Sony Vaio laptop has a built-in program called "Sony Battery Care" which provides a functionality to hold battery at certain levels of charge while operating. For example, I've set it to 50% and ...
14
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How long do Lithium Ion batteries normally last?

On the laptop I have, I've had to buy a new Li-Ion batter roughly every year. I do use this computer quite a lot, but I'm wondering if this is normal. Right now, my battery is completely dead (it ...
14
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Why is my laptop favoring the wireless connection over my LAN connection?

When my laptop comes out of sleep, I have to typically wait about 90-120 seconds before my network (wireless or NIC card) 'wakes up'. During that time, I see my wireless connection with 'limited ...
14
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What does the “rectangle with waves” logo to the right of the trackpad mean on my Dell Precision M4700?

I have a Dell Precision M4700 laptop. But I can't figure out what this thing in the picture is. Can somebody help?
14
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Can I safely charge my laptop with a non-standard, third-party charger?

I have a Toshiba Satellite laptop. My charger has stopped working. I have access to a Lenovo charger. Can I use this charger on my laptop?
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How long will an unused hard drive store its memory? [duplicate]

Possible Duplicate: How much time until an unused hard drive loses its data? I have a broken laptop, and it's the motherboards fault that it can't turn its power on. The laptop has been ...
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Do newer laptop batteries still need to be drained before recharging?

10 years ago when I was doing hardware support it was best practice to fully drain a laptop battery prior to recharging in order to maximize its life. Is this still the case or can a battery now be ...
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Why do most Windows 7 laptops come with the 64 bit version?

It seems increasingly popular for laptop manufacturers to preinstall the 64 bit version of Windows 7 on laptops. Whilst there are well understood benefits of 64 bit OS over 32 bit, how much of that is ...
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How to force power-off of a Samsung Series 9 laptop?

No, the four-second hold on the power button isn't working. The battery is built-in and not user removable. I was working on installing Fedora 15 on a new Samsung 900X3A (a very neat machine) and ...
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Can I install a laptop 2.5" SATA drive on a desktop without any adapters?

My girlfriend's computer has had the disk so I'm going to reinstall the operating system. However, before I do this I need to get all the data onto another machine. As the laptop won't stay on long ...
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How do I prevent Windows 7 laptop from waking up automatically?

About once or twice a week my laptop will wake up in the early hours of the morning (about 6ish) from sleep mode. This happens whether the AC power is connected or not. It will then turn itself off ...