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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99
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9answers
67k views

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?
15
votes
2answers
19k views

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?
140
votes
7answers
62k views

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?
197
votes
6answers
106k views

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 ...
7
votes
2answers
13k views

My keyboard is typing by itself, could there be a ghost in it?

The keyboard on my laptop seems to be typing by itself: It sometimes types characters like 134, whether by itself or when I hit certain keys. Repeating characters may appear unexpectedly. The system ...
45
votes
11answers
132k views

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 15.6&...
7
votes
5answers
14k views

Reset or remove the BIOS password on my laptop

I have a laptop but forgot the BIOS password. I cannot go beyond the BIOS password screen and need to continue. Is there any way I can reset or even remove the BIOS password on my laptop?
22
votes
8answers
1k views

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 ...
61
votes
11answers
265k views

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 (...
55
votes
6answers
23k views

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 ...
18
votes
7answers
195k views

How can I disable my laptop's built-in keyboard in Windows 7?

I have a HP Compaq Presario C700 laptop with Windows 7 installed on it. My laptop's keyboard is not working properly; some keys never work and some keys will keep on pressing. I've formatted the OS ...
6
votes
3answers
2k views

Can a 20V 4.51A power supply be used with a computer that requires a 19V 3.42A power supply? [duplicate]

I have a laptop that says it needs a 19V 3.42A power supply. I have a Dell 20V 4.51A power supply. Can I use this power supply with my laptop, or will it destroy the machine?
11
votes
8answers
14k views

I just spilt coffee on my laptop, what should I do?

I have just dropped a half full latté on my company laptop and am not sure what to do. Is there a way I can make sure that my laptop is usable again? What steps must I go through to improve it's ...
6
votes
3answers
8k views

Is it safe to use a power supply with a different laptop? [duplicate]

Possible Duplicate: charging laptop with a diffrent manufacture charger I have a Dell Vostro 1500 laptop, but unfortunately I lost the power supply in Indianapolis last month. I have a power ...
7
votes
3answers
1k views

Is it possible to upgrade the graphics card in modern laptops?

As there's no definitive answer to this, and I would prefer not to be too specific about particular models, what are the things that determine whether this is possible or not? What expansion slots ...
11
votes
3answers
59k views

Can I use a power adapter with more current but lower voltage on another laptop? [duplicate]

Possible Duplicate: Laptop power supplies, does current matter? I have the opposite problem outlined in Laptop power supplies, does current matter? My AC adapter (19 V, 3.95 A, 75&...
20
votes
10answers
104k views

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 ...
4
votes
1answer
210 views

Laptop shuts down suddenly when running on battery

My Acer Aspire S7-392 runs well on mains, but on battery shuts down suddenly and without warning. And I mean no warning, it is like someone yanked the power from a desktop PC. Windows does not ...
19
votes
2answers
13k views

Laptop randomly waking up = Hibernate / Low Battery?

A (Windows 7) laptop has been annoying me since the day we got it. When it is put to sleep (the lid closed), it seems to intermittently wake up randomly during the night (i.e., 10pm, 1:30am, 7am, etc.)...
4
votes
3answers
32k views

Everything running super slow in Windows 7 on my Dell Laptop

Recently my laptop has become really sluggish. I have Windows 7 and Windows Explorer often freezes or the hour glass comes up and never goes away. I often can't close windows, and when I do, again the ...
34
votes
8answers
97k views

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" ...
16
votes
3answers
4k views

Are notebook batteries generally hot-swappable?

I have a new HP Compaq 610. Most of the time I use it plugged and with the battery removed, to avoid wearing it. Sometimes I need to move it to somewhere else - currently I hibernate the machine, move ...
4
votes
5answers
3k views

Can I upgrade my laptop CPU

I have Lenovo Ideapad Y510 with dual core 1.6 Ghz processor, 1GB ram, 160GB HDD. I want to upgrade my current cpu with any latest one like i3, i5 or i7 to get more speed but don't know if it is ...
23
votes
8answers
20k views

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?
19
votes
10answers
17k views

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 ...
8
votes
3answers
4k views

Is there any way to execute something when closing the laptop's lid?

I'm wondering if there is any way to execute a program, run some command or anything else when closing the laptop's lid. My question aims to be generic, both for Windows and Linux. Something useful ...
8
votes
4answers
56k views

Maximum temperature laptop internals can handle? Cooling options?

So I have a Compaq CQ50-215CA and my sister was using her laptop on her bed and I was just using it quickly to check my email. The surface of the laptop was really hot and I opened Speccy to see that ...
2
votes
5answers
44k views

After spilling water on my Dell Vostro Laptop, 2 keys are not working

Can I clean the keys by myself by plucking the keys out ? How exactly do I clean the laptop keyboard in such a situation ? Do I have to replace the whole keyboard ?
26
votes
2answers
56k views

1.35 V RAM in a 1.5 V system - Will it fry or overclock?

The general question is: When installing low voltage RAM in a board that outputs a higher voltage to the memory module, will this fry the RAM or will it be like overclocking it? My specific case is: ...
8
votes
4answers
32k views

Will hot weather break my laptop?

It's now summer around here, with temperatures ranging from 20C to 30C in the summer. Occasionally, I have a situation where I can carry my laptop indoors, or just leave it in the car for a few hours. ...
4
votes
2answers
4k views

Replacing notebook SATA hard disk with SSD without reinstalling

So there's a notebook (Lenovo Thinkpad Z61m) with a SATA hard disk, the SATA controller is configured for native AHCI operation & the OS is Windows XP. The hard disk is going to be replaced with ...
2
votes
4answers
32k views

Will the Samsung Series 9 models boot from USB?

I'm thinking about getting either one of these Series 9 Models: NP900X3C-A01US - Win 7 NP900X3C-A05US - Win 8 I'd want to do a complete wipe on either one, but what to make certain that the unit ...
14
votes
4answers
29k views

Will cold weather break my laptop?

Situation: It's -5 °C outside and I'm bringing my laptop to school in my bag. I spend a lot of time walking outside in the cold. Then I go into the school where it's 25 °C and fire up the laptop ...
4
votes
2answers
9k views

Laptop water damage repair procedure

I'd love some advice in repairing a water-damaged laptop. My girlfriend spilled a glass of water on her Sony Vaio and now it doesn't turn on...at all...dead! What steps should I go through to work ...
12
votes
3answers
12k views

Anti-glare filter for glossy laptop screen? [closed]

For some reason (technical? fashion?), just about every laptop today comes with a glossy screen, which makes them pretty much unusable when there's any light in the backgound. I have a 13.3" 16:9 ...
13
votes
8answers
7k views

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 ...
5
votes
8answers
60k views

Is it safe to operate a laptop without battery?

I know it's 'unsafe' in terms of data loss but I noticed motherboards still have some of their circuits on power when they are plugged in [e.g. a circuit that must wait for power-on signals is ...
13
votes
2answers
3k views

Is it harmful to laptop to move it when it's working?

when my laptop is on I usually move it can it harm the hardware or my data?
7
votes
2answers
4k views

Is there a way to execute a program on power events?

I'm basically looking for a way to execute an application when my laptop transitions to battery power and, similarly, when it returns to AC. Is there a built-in hook in Windows or a third-party ...
5
votes
6answers
69k views

How to CLEAN INSTALL Windows 7 Professional 64Bit on Dell Inspiron 15R Turbo / Special Edition laptop?

I recently bought a Dell Inspiron 15R Turbo/Special Edition with following configuration: 3rd Generation Intel® Core™ i5-3210M processor, Windows 8 Single Language, English (64bit), 8GB 2 DIMM (4GB ...
2
votes
5answers
37k views

Accessing laptop's hard drive when OS won't boot

What is the best way to access a laptop's hard drive to recover data (assuming there is still intact data) when the OS (Windows XP) won't boot? EDIT: I've tried booting from a disc, but that failed ...
9
votes
10answers
12k views

What is the easiest way to disable the touch pad on a laptop?

What is the easiest way to disable the touch pad on a laptop? I have a laptop which lacks a means to turn off the touchpad with a simple Function key sequence. I would like to disable the touchpad ...
6
votes
5answers
68k views

Charge a laptop via USB power (500mA)? [closed]

My laptop is almost dead and I do not have the charger. Is there anyway I can DIY a charger for a laptop. Even if it takes 20 hours. To make it clear, I want to send power from a usb port on another ...
4
votes
10answers
32k views

Windows (7 & Vista) laptop monitor does not come back after closing lid

I'm experiencing an issue with Windows Vista (and now Windows 7) with my laptop. When I close the laptop lid the monitor goes blank but will not come back on after I re-open the laptop. The screen ...
5
votes
2answers
1k views

Upgrading laptop processor

I have a Dell Studio 17. It's a few years old, and I wanted to upgrade the processor. It currently has an Intel Core 2 Duo T5750 @ 2.00GHz My question is how can I find out which processors are ...
4
votes
2answers
31k views

Adaptor that allows me to use a PCI card via a USB connection

Of course, I have a cool card from a desktop I'm retiring, that I'd like to be able to use from the laptop I've replaced it with. Laptop has no docking station. Best I can replace the card for is a ...
1
vote
2answers
775 views

External video card for notebook?

I'd like to hook an external monitor to my notebook as I need a higher resolution (1680x1050). My notebook supports that resolution (via analog vga out) but the quality is pretty awful - there are ...
1
vote
3answers
3k views

Notebook computer battery says: plugged in but not charging with no further information. Is the battery bad already?

My 1.5 year old Dell Studio 15 notebook computer has a battery and I keep it attached to the notebook but 98% of the time I just plug in the power adapter. Lately when I unplugged the power adapter, ...
1
vote
5answers
11k views

How do I protect my laptop from power surges?

I recently bought a laptop. While connecting it to the AC mains for charging it up for the first time, I wondered what would happen if a power surge occurred while my laptop was connected to the AC ...
1
vote
1answer
8k views

Horizontal lines flash randomly over laptop display

I have a 2 year old laptop. The model is Sony Vaio SVE1511W1EB. I never encountered any serious problems with it until now. However, last week I plugged a beamer into the laptop and did a Powerpoint ...