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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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?
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2answers
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In general, do 3rd-party laptop AC adapters / chargers work reliably?

The AC adapters for my 2 dell laptops wore out very quickly. One supplies power but won't charge the battery (it's about 3 years old, the other is a bit newer). Both have worn through to the ...
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4answers
2k views

fan doesn't spin

I have a dell latitude 820. The fan was blocked for a while, after removing the crap (hair, etc.) the fan didn't work anymore. I tested the fan, but that part was OK. So I think the fan controller is ...
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2answers
39 views

Why my laptop with Windows turns on sometimes at night? [duplicate]

Why my laptop with Windows 7 turns on sometimes at night? It turns off after few minutes. Can anybody tell why does Windows 7 need to turn on the laptop?
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1answer
3k views

Dell laptop freezes about 90 seconds after startup, after Windows XP restore

I'm trying to fix my brother's Dell laptop for him. He originally was unable to get into Windows (the screen would display "NTLDR not found" after boot), so I was able to repair the Windows XP ...
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3answers
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Why does my new notebook computer have a 1394a port instead of 1394b?

I just purchased a Dell Studio 1555 notebook computer. The specifications said it has a 1394 (note no letter) port. I assumed that since 1394b is 7 years old, that it would be a 'b' port. Not so. ...
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1answer
2k views

Difference between Dell's XPS and Studio XPS laptops

My latest PC dates back from almost 4 years ago and I still love it. It's a XPS M1220. It's awesome because it's about the size of a netbook but, till this date, 3 times more powerful than the actual ...
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3answers
563 views

Ideal business grade laptop/notebook for running recent Linux distros (Ubuntu Karmic etc)? [on hold]

I am looking for a robust business grade laptop/notebook with 3D capabilities and which can run recent Linux distributions and would be easily compatible with Ubuntu 10.10 when it comes out. Any ...
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21 views

My laptop's touchpad behaves erratically

Laptop is a Dell Inspiron 7437. The problem appears in any operating system I install (running Windows 10 right now). So, most of the times, at startup, the touchpad works okay, but then sometimes ...
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1answer
20 views

How do I improve laptop heat dissipation in docking station?

I have a Lenovo laptop that I sometimes use in a docking station. I am having problems with the laptop running hot (190+F, according to the KDE temperature widget) while under heavy load, especially ...
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1answer
4k views

Blue Screen of Death - My Sony laptop crashes very often

I have a Sony VAIO laptop which is giving me blue screen problem from some days. I thought it might be because of corrupted Operating system, so I refereshed the operating system installation but the ...
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44 views

Linux Mint 18: Suspend only happens after unlock

I'm running Linux Mint 18 Cinnamon, I wanted to set it so that, when my laptop's lid is closed, it is suspended. Obviously, I set this in the power settings. However, what ends up happening is that ...
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1answer
43 views

Any way to connect external monitor to laptop without cable?

i was pretty excited about connecting my second monitor to my laptop but i noticed my laptop does not have VGA input and monitor does not have HDMI. Is there any way (like LAN-based thing) that i can ...
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1answer
2k views

What's the performance on USB docking stations, and can they be used when laptop is closed?

I'm looking into a docking station for a Dell Studio laptop. I don't see the traditional docking stations I'm familiar with - the kind (for a Dell Latitude, for example) where you sit the laptop on ...
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2answers
33 views

How much damage is caused to a laptop under load?

So I am playing around in VMWare to practice some networking, this is all done on a macbook pro 2015 (Hardware spec is kind of irrelevant for this post) So the CPU does run a bit hot at around 80 ...
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1answer
20 views

Power button not working

I put a laptop apart several times and now power button isnt working. I did start the computer by moving the ribbon (that connects power button and motherboard) left and right where it is attached to ...
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1answer
4k views

Error notebook samsung np300e4c Boot menu is empty

I have my notebook Samsung NP300e4c. When turned on yesterday it shows me a picture with the list of boot options menu and app, but the list of boot I get empty !!!! Entering BIOS recognizes my ...
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9 views

View laptop power consumption without running it on battery

My laptop has a bad battery (lasts 20 - 30 minutes of normal use) but I need to see the max power consumption.I tried running Prime95 + Furmark on battery with power saving off (which took 50 watts ...
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31 views

Prevent screen turning off when lid is closed

Is there a way to prevent the screen from being turned off when a laptop's lid is closed? The power-action for closing the lid is already "do nothing".
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3answers
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Laptop delivers blurry image to external monitors

I have 3 laptops in my hand at the moment. One Old Toshiba, a DELL and a Sony Vaio. The only one that delivers a crisp image to my external monitor is the Dell. Both others have blurry, bad quality ...
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1answer
20 views

Laptop overheating after 1 minute from boot

As in the title, my laptop overheats at the first minute of boot up. It does not shutdown because the maximum temp. is 100° C, I think. The problem is that it's still reaching 90° C. I cleaned it up ...
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3answers
24k views

Docking station power adapter is not recognized by my Dell notebook

At this morning, my laptop (Dell Latitude e6410) gave me this error. I didn't do anything, I didn't change anything. And I got this docking station just 2 month ago. I made a little research on the ...
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2answers
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Laptop doesn't recognize operating system after being punched

My laptop was annoying me and I punched it. My mistake. Now, when I turn it on, it enters in something called "Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc." It's a blue and ...
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2answers
2k views

Does the fingerprint reader in Vostro 1320 work in Windows 7?

I don't want to hear Dell's official stand on this. Anybody got it to work in Windows 7 in the real world? Dell told me it's unsupported, but unsupported in tech support speak really means : "if you ...
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1answer
21 views

Internal desktop ODD as external to laptop

I have been looking for a decent blu-ray burner mainly for backup purposes. It seems as though desktop BD burners have much higher write speed compared to the slim-line ones. I was wondering if I can ...
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3answers
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Mouse stops working when lifted and put down back, takes 1-3 secs to work again

I bought this mouse in 2010, and since then, I have already used it on a lot of different computers. Last month, I got a Samsung ultrabook with Windows 7 Home Premium, and I'm facing a problem which ...
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12 views

Fn keys cause a blue square to appear in corner of screen

I'm having a strange problem on my old Gateway MX6920 notebook running Windows 10 (I had the same problem under windows 7). Whenever I use one of the Fn key combos to, say, adjust the volume or or ...
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3 views

KDE mouse stops moving after suspend

For some reason on KDE my mouse will stop moving in two scenarios, only to be fixed by logging off via ALT+F2 (logout): Computer naturally suspends after timeout. Shutting lid. Both scenarios ...
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66 views

windows 10 black screen after login and file explorer and control panel error

While my upgraded windows 10 Lenovo G500 laptop is shutting down, my brother held the power button so the laptop shut down immediately, and after I turned on my laptop and wrote the password, the ...
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1answer
48 views

How to configure NixOS with nvidia on an Optimus laptop?

I have an Acer Aspire E15 laptop model E5-572G-38HC with integrated intel graphics card and a nvidia GeForce 840M card. I enabled bumblebee in my configuration.nix but only the intel card is working ...
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2answers
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HP laptop, “General system board failure”, what next?

I have an HP Pavilion DM1-3101ea laptop with an integrated AMD E-350 APU. Basically the same as DM1Z, if it is of any help. I have Ubuntu 12.04 on it. The problem appeared as follows: i tried to send ...
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How do i flash the bios for my acer e1 531 because the screen is black

I tried downloading software from acer driver support but the files included do not match the files i saw in a youtube tutorial on how to do it, the youtube tutorial had .rom .flash files which were ...
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Laptop display dims when running on battery power

I recently bought a Lenovo IdeaPad Y580 and it has one minor annoyance: It continues to dim the screen when I unplug it from the power cord. I have tried setting the screen brightness in the advanced ...
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Why did my laptop screen go white?

Today I was working on my Samsung NP300E5E Laptop, and the screen suddenly turned white. I tried to reboot, it was still white, I couldn't see BIOS or anything, except it showed the Samsung logo (the ...
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1answer
296 views

Install an OS on Dell Inspiron 7559

Tried Win 10 official iso (Pro) - hangs on "Getting files ready for installation (67%)", tried many times Tried Arch linux - it did install but soon failed to boot (because of some ELAN drivers I ...
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1answer
26 views

Problems with laptop screen, distorted with colored horizontal and vertical lines

From time to time, my laptop screen gets all distorted. It's split in 2 sections with random horizontal and vertical lines all across it. I have been facing this problem since the past month. After I ...
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HP laptop F1-12 keys inverted with Fn

I recently bought an HP laptop. I'm pleased with it, save for one thing. All the F1-12 keys are inverted. I mean the following: All the F-keys have a symbol on it. Normally you would press Fn + your ...
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45 views

Windows 10 stuck on loading screen

I have dell xps 12 laptop. Last year my laptop updated to windows 10. and for month or two it worked fine. Then i lent my laptop to a friend who probably accidentally closed the lid while it was ...
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Memory Capacity and Configuration in Ubuntu

I have Dell Inspiron 5521 Laptop having 4 GB RAM. I am planning to add 8GB RAM (CORSAIR DDR3L 1600). So, the Total RAM would be 4+8= 12 GB. I found the following information in Dell Specifications ...
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Is 3.5 inch HDD in laptop less reliable than 2.5 inch one?

I have Asus K95VJ laptop where the original internal 3.5 inch drive died on me. It was 3TB Seagate Baracuda ST3000DM001. I have read that those drives had have huge failure rates and this is actually ...
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1answer
14k views

How do I fix black lines in laptop LCD that are getting longer?

A few days ago black lines started to appear on my laptop LCD and, over time, they are getting bigger and longer. I performed a quick search on the Internet and found out that they may be dead or ...
0
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1answer
668 views

Laptop ->TV via HDMI Adapter - audio static and feedback

I've connecting my laptop to a TV using an HDMI Adapter. I am experiencing a audio feedback issue and hearing static and clicking while watching a movie. OS is Vista, I have tried multiple HDMI ...
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Keyboard Light on Lenovo Y700

I have a Lenovo Y700, and i know there is a function that turns on the light in my keyboard. But how do i do it? Fn + Space doesn't work.
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1answer
913 views

How to get maximum CUDA performance from laptop GPU

I have an ASUSN56V laptop with a GeForce GT 650M and i7-3610QM and want to use the card for calculations with CUDA. My impression from my scaling tests is that my GPU is not utilized to the maximum ...
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1answer
1k views

Beats Audio equalizer does not work in HP laptop

I have an HP Envy Ultrabook 4 laptop (Model# 4-1161er) equipped with the Beats Audio system. Several days ago I detected that its equalizer does not work. After crawling the specialized HP support ...
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1answer
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“Caps Lock” blinks but laptop won't turn on.

I have three years old HP Laptop (HP CQ42). It was working just fine till yesterday. Yesterday, I left my laptop turned on for about half an hour. When I came back, there was no display. Only "Caps ...
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long range antenna [closed]

we want to provide mobiles and laptops in site B with internet connection using long range antenna, but it is not permitted to put any communication devices (ex. AP) there. 1- is there any ...
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4answers
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Will Disabling GPU also stop heat generation from GPU

My laptop is lenovo z560 with nvidia 310m graphics card, everything is fine: there is no dust + new thermal grease but the laptop is old. I think only gpu is producing heat when any graphics on laptop ...
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1answer
39 views

Lenovo Y560 black screen on normal boot. Boots if I disable AMD Radeon drivers via Safe mode. How to enable display drivers without reboot?

I have a Lenovo Y560 (Win 7 x64). When I restart my laptop I get to the Windows boot logo and then the screen goes black. I am able to boot into Safe mode but if I then try and restart I get the same ...
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19 views

Laptop keyboard no longer working after spilling water [duplicate]

Reposting from another forum (sorry but I am really in need of a reply, and this appears to be a good place to post this): Alright so a few hours ago I managed to spill water onto my laptop (like an ...