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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87
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9answers
46k 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?
133
votes
9answers
55k 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?
185
votes
6answers
90k 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 ...
14
votes
2answers
14k 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?
5
votes
1answer
7k 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 ...
40
votes
11answers
116k 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 ...
5
votes
5answers
12k 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?
21
votes
8answers
985 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 ...
55
votes
10answers
237k 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 ...
52
votes
6answers
19k 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 ...
10
votes
8answers
11k 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 ...
16
votes
6answers
143k 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?

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?
6
votes
3answers
979 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 ...
6
votes
3answers
6k 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 ...
4
votes
3answers
26k 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 ...
33
votes
8answers
90k 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" ...
9
votes
3answers
46k 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, ...
7
votes
3answers
3k 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 ...
15
votes
2answers
31k 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: ...
15
votes
2answers
9k 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, ...
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 ...
19
votes
8answers
87k 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 ...
3
votes
2answers
429 views

Is it possible to use a PC as a external drive via USB?

I have a bluray player that has a USB interface that allows me to plug external hard drives and pendrives for me to play movies or music files. I was wondering if it's possible to have the PC or ...
15
votes
3answers
3k 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 ...
5
votes
4answers
5k views

Are laptop hard drives fairly generic, or do I need to be careful to get the right one for my computer model?

I have a Dell Inspiron 1525 laptop, and the hard drive is failing and I'd like to get a new one. What I'm wondering is, do I need to buy a hard drive specific to my computer model, or are laptop ...
1
vote
5answers
9k 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 ...
28
votes
19answers
2k views

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? ...
21
votes
8answers
17k 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?
18
votes
10answers
13k 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
50k 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 ...
6
votes
5answers
9k views

Battery charge suddenly drops from about 25% to 6%

I own a Lenovo Y500 series laptop. The battery being an year old lasts only 1 hour. But the strange thing is that, when the charge comes down to 25-20 it drops to 6%(critical battery level) in a ...
6
votes
3answers
20k 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 ...
3
votes
4answers
8k views

Dell Inspiron 6400 indicates the wrong power adapter is plugged in and will not charge the battery

I am using the original power adapter with the Dell Inspiron 6400 laptop and now when it boots up I get the following error message. The AC power adapter type cannot be determined. You system will ...
14
votes
0answers
2k views

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 ...
9
votes
4answers
23k 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 ...
2
votes
3answers
5k views

Can I replace my laptop screen with another one with a higher resolution?

I currently own a HP EliteBook 8530p laptop. The screen resolution is 1280x800. This is way too low for my standards, so I'm considering ordering another laptop screen with a higher resolution (for ...
-1
votes
1answer
303 views

Lower temperature with 10°C difference: Toshiba Q Series 256 GB vs Samsung 840 Pro 256 GB? [closed]

(concerning a Gaming Laptop such as the Asus G75VX or G750) I am thinking of buying Toshiba Q Series 256 GB instead of the Samsung 840 Pro 256 GB as I read on ssdreview that the Toshiba SSD uses less ...
5
votes
8answers
50k 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
2k 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
3k 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 ...
2
votes
5answers
24k 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 ...
12
votes
2answers
29k views

Does eSATA require power source?

I got eSATA slot in my laptop (HP DV-7) + WD 1TB (The exact model: Caviar Green WD10EADS) What I want to know, it's if I need something else except from the eSATA cable. Does the eSATA cable provide ...
9
votes
10answers
10k 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 ...
8
votes
3answers
289 views

How to get the most out of laptop battery life of a Windows PC?

I'm a big fan of portability and battery life. I want to take the most out of a single recharge. Any tips to accomplish that? Things on top of my mind: Voltage reduction (with RMClock, any better ...
5
votes
2answers
2k views

Tools to find bottlenecks in hardware configuration

I'm thinking of upgrading my notebook and I want to find the tightest bottlenecks in its hardware configuration to target my money in the most efficient way. So what software tool can you recommend to ...
1
vote
5answers
29k 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 ?
7
votes
3answers
17k views

Cannot enter BIOS due to broken screen

Lately my laptop (HP g42 247sb) screen is damaged, so I hook it up with an external monitor (LG something) and it works fine now. The only annoying thing is I cannot navigate the BIOS menu for some ...
3
votes
2answers
636 views

Just installed Windows 7, some things not working out-of-the-box

My Dell Inspiron N5010 laptop is a little under a year old now. It came with Windows 7 x64. When I first bought it Windows Aero was working fine. Anyway, it got infected with trillions of viruses ...