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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Electrical tape use in laptop

Hi just wanted to make sure this was okay. I used electrical tape to tape over the clear plastic that holds the video cable in place to the laptop screen. I was replacing the screen and I was worried ...
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Laptop power supply unit compared to PC power supply unit

PC power supplies are relatively huge compared to those used with laptops. But why is this so when a laptop today can have an equal level of performance as a high end PC? Are they both switching ...
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23 views

How do debug HDMI port

I have a unique situation with a Sony Vaio that has a donor motherboard from an essentially identical Chinese model of the same. the HDMI port seems at all levels to be non-functional and not ...
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Alternative to audio jack

Audio jack in my laptop is not working. What would be the best alternative for that, like usb to audio converter or usb to hdmi converter?
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Keyboard error typing 2 charters on one touch on samsung

i have problem on my Samsung lap keyboard may be it falling or heavy weight locate on lap, really i don't know all keyboard keys working well, but when i press on esc-key it do esc + f1 that's all ...
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7 views

Bitlocker Missing In windows 8.1

I used bitlocker to encrypt one of my drives. All of a sudden bilocker is missing from my computer and when i try to open the bitlocker encrypted drive, it says access is denied. Please help.
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Diskless Netboot a laptop with a broken HDD

Short question: I need to use a laptop that the hard drive connector is broken with Linux or Windows by booting through the network cable. Full question and background: We have 2 desktop systems and ...
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16 views

Should I enable or disable EDID in AMD catalyst

I was just wondering if it is better to have EDID disabled or enabled in AMD catalyst?I have a laptop plugged in to a monitor with the display showing only on the monitor and the laptop lid closed.
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52 views

Is it safe to leave a Li-ion battery for weeks unplugged while it's not fully discharged ? And is it safe to unplug it while the PC is on?

Is it safe to unplug a li-ion battery not-discharged and leave it unplugged for a considerable period of time? (Less than a month) Is it safe to unplug the battery while the PC is on and directly ...
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29 views

Open back of Toshiba Satellite L855

I have a Toshiba Satellite L855 - S5372. I was using it when it suddenly started making a wack-wack-wack noise; I'm certain that something got stuck in the CPU fan. Nothing had come in from the ...
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Maya on Dell Inspiron

I am planning to buy a new Dell Inspiron 15 7537 laptop. It have i7 5210u 8gb ram 2GB nVidia GeForce GT 750m 5400rpm HDD Windows 8.1 I am just wondering will it install and run Autodesk Maya(and ...
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21 views

Some key combinations no longer work

I don't know how this happened, but I can't use shift+R, nor can I use shift+1, 2, 3, 4. I tried creating another user to see if the problem is there too, but for them it works fine. I can't use ...
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67 views

Extending wifi range with an external antenna

I've got an old antenna that I'd like to try and use to get a bit more wifi range/signal strength out of my laptop. The antenna is terminated with a male TS9 connector, such as the one pictured here: ...
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16 views

Function keys are giving weird output

I am trying to use f keys in a legacy application, but they're giving me weird string outputs instead of performing f-key functions. For example, F8 outputs [19~. Any idea whats up? I've tried a ...
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2answers
39 views

Using OEM key from a preinstalled windows copy

I have a lenovo laptop running linux. I have the OEM key for win7 (looks like numbers-OEM-numbers-numbers) that came with the laptop. Can I reinstall Windows 7 from my USB drive and use the OEM key to ...
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75 views

Burning paper with laptop

A few hours ago I was playing a computer game when I noticed smoke coming from next to my laptop. Then I noticed that the stack of paper next to it had begon to smolder. I threw it into a glass of ...
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34 views

USB mouse incredibly slow on brand new laptop

Just purchased a Dell Latitude E6540 with a ~16" screen (Windows 7). The mouse is terribly slow, even after adjusting it in Mouse Properties (Pointer Options -> Motion -> Fastest). To move the mouse ...
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30 views

Notebook not booting

My problem is with my Samsung NP-N150 Notebook. It operates with a Windows 7 starter. I have never had any problems with it in the past. The issue is that it will not boot up. The battery on my ...
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42 views

Is it possible for a desktop computer to use a laptop's WiFi? [duplicate]

Given a curious setup, my desktop computer is now far from an accessible connection to the internet as it lacks WiFi, yet I do have a spare laptop lying around with WiFi capabilities. Is it possible ...
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23 views

Dell Xps M1210 reboot cycle

I just received a Dell xps M1210 laptop to repair. The person I received it from said they have been using it with no problems for 10 years. Then the other day, they were copying files, then suddenly ...
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After changing settings, I can no longer get my laptop screen on (it's black). How can I see the display monitor?

My laptop screen went dark and I searched on how to fix this - found to disconnect power and drain it with the power button, then close the lid almost all the way and then try to hit power button ...
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1answer
24 views

It seems laptop aspire 5742 is damaging Hard drives

The laptop started rebooting itself and going into recovery mode and failing to recover, I tried the hdd on another computer and WD diagnose tool failed, so I bought a new WD blue 500gb HDD, I ...
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Dell Inspiron 7737 with Windows 7 Wlan connection fail

I just got my new Dell Inspiron 7737 Laptop and installed Windows 7 on it. I found all the drivers coresponding to this model and all drivers are working well. Now my problem is: First time I ...
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Thinkpad E420S powers on but doesn't boot for 15-20 minutes

What exactly is happening is: I shutdown/hibernate the laptop after using the day before and go to sleep The next day when I turn on the laptop - the thinkpad 'i' lights up (stays up) and the fan ...
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37 views

How to clean/what to do about getting liquid form of compressed air cleaner on computer equipment?

I'm a little worried. I was using some compressed air cleaner (to be specific, Office Depot® Brand Cleaning Duster) to try to blow the dust off some dusty parts of my computer. The instructions are ...
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Reducing brightness of specific pixels on laptop screen

My laptop's screen has a couple of small bright spots. They are obnoxious but I don't want to have to buy a new laptop or replace my current one's screen. I suspect that the bright spots could be ...
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Dell Latitude E5430 with PR03X Dock not recoginizing ext HD through eSATA port

I have a Samsung HD103SIf TB drive that originally came in an ext usb caddy. I used it with an older Dell Laptop running Windows XP. It worked fine until one day it would not power on. I pulled the ...
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My cursor randomly moves to a specific location on my laptop

I have a new Lenovo Yoga 2 laptop with Windows 8.1. At random times, the cursor moves from where ever it is to a spot about 1 inch above the start button on the laptop screen. This is when my laptop ...
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Can I install an AMD Turion X2 64 RM-70 on a Toshiba Satellite L505D-SP6983R?

The original processor was an AMD Turion X2 64 RM-74 (dead) The board is named V000185220 Rev 1.10 This board accepts S1G2 processors, and should accept the RM-70. But I am not so confident when ...
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32 views

Is it okay to connect white Wifi antenna cord to main connector, while not connecting black antenna to axillary connector?

What is the difference between the main connector and the axillary connector? I have a Toshiba Satellite 1905-s301 laptop. Two weeks ago, someone accidentally pulled the U.FL connector (plug) off the ...
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39 views

Windows Power Plan automation

I like to keep my Asus ROG G750JZ(laptop) on all the time and I have already automated sleeping at 01:00 in the morning, auto wake-up on opening the lid. However since I am not using the laptop all ...
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Possible fire risk from leaving a laptop on for several months/years to use as a server

I found this question which comes close to mine - Implications of using a laptop always-on as a server - but doesn't specifically ask about a fire risk, and dismisses the idea of removing the battery, ...
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79 views

How can I turn my wireless laptop into a wifi hotspot?

When I am in my room, my phone does not have any signal strength to my router. My laptop is at half signal strength, so I can use the internet just fine on that. Now I want to turn my wireless laptop ...
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Lenovo Z570 Laptop cutting sound when tilted

I currently have a Lenovo Z570 laptop, as said in the title. I like to have it on my knees while sitting on the couch, or laid in my bed. The thing is, when I try to move a bit, it tilts the laptop ...
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213 views

Windows 8 HP Laptop is stuck on mute

Ever since I ran an automatic update a few days ago on my Windows 8 HP Envy dV6, my computer will not play sound. The speaker button in the bottom corner says it's muted, but even when I adjust the ...
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Adding a 1600 MHz RAM to a Laptop with already installed 1333 MHz

I have an HP Pavilion G6 Laptop that came with 4 GB RAM (Samsung). I recently upgraded it with another 2GB of G.Skill RAM 1333MHz with CL 9-9-9, so the memory was 6 GB in total. A few days back, the ...
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windows 7 copied files from laptop to my high end mobile though usb drive not allowed [duplicate]

Looks like there are no experts in this forum to solve my problem asked this question 2 days , I copied files from laptop though usb drive is not allowed and message and warning flashes , but when i ...
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CommView for Wifi stops responding after a few minutes

Whenever I am capturing packets for aircrack-ng, after around 5-10 minutes, it stops responding all of a sudden. I am running a Windows 8.1 Pro 32-bit PC. How can I fix this?
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Can't start Windows 7 after hard shutdown

Something funny happened. I develop artificial intelligence software on my Dell Inspiron 17R, so I frequently have to deal with very large datasets in Java. Here we go. Last night, I was performing ...
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Would intermittent contact with the service voltage and capacitors in a power supply (inrush current) damage a computer?

If I plugged my laptop AC Adapter power cable into a UPS, causing sparks to blast out (and being unable to insert it due to the UPS being seemingly not designed for this type of plug, for whatever ...
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How do I remap the OneKey Recovery button on my Lenovo Y510p laptop?

I have recently bought a Lenovo Y510p laptop which comes with a button just adjacent to the power port. This button runs the "OneKey Recovery.exe" file in the directory C:\Program Files\Lenovo\OneKey ...
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Can I use two 20-inch samsung S20A300B monitors with my laptop?

I have two Samsung NV755 S20A300B monitors and a Gateway NV75S05h laptop which has an AMD Radeon HD 6540G2 video card. The laptop itself only has an HDMI port and a VGA port. Is it possible to ...
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63 views

Agghhh! UPS Back-Up, Laptop Charger, Sparks

Boy… ok. This is so frustrating! Ok so, I've been getting a whole lot of problems with the electrical grid here lately: spikes, surges, lows, brown-outs, all kinds of problems, it's terrible, ...
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34 views

How to regulate fan speed of external USB fan?

I installed SpeedFan, but the only fan showing up is the one inside my laptop for the CPU. Since today, I have an additional fan which is external below the Fellowes® - Precision Cooler Laptop Riser. ...
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How can I cause interference to an AP operating on 802.11g using laptops?

I want to cause interference to an AP operating on 802.11g using laptops, to study its effects on various metrics. I've tried creating an ad-hoc network on the same channel and frequency with laptop A ...
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Waking up my computer every minute

Gday. I would like to set up my laptop, an Asus netbook w/o the "resume previous power state" feature my dell desktop has, to turn on when AC power is restored after a power loss. In my particular ...
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F2/F3 keys not working on Samsung laptop

While adjusting brightness the F2 and F3 keys do not work properly on my Samsung laptop NP300E5X. Does anyone know how to fix this?
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Laptop starts up, runs perfectly normally for a few minutes, fan starts spinning very fasts, then shuts down

I left my Metabox p150 laptop underneath my bed for about a month, and now I have a problem where I can start up my computer, login and do anything normally for a few minutes, until the fan starts ...
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Network (gigabit wired or wifi) utilisation very low ~5% on Windows 7 laptop

I've got a HP Pavilion G6 which has decent specifications: Quad core, 8GB DDR3 ram, SSD, etc I've got a problem with the networking. The inbound speed doesn't climb much above about 4% network ...
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210 views

New laptop with Intel® Dual Band Wireless-AC 3160 has inconsistent wireless connection

So, I got a new Toshiba L50-B-103 (Windows 8.1 64-bit, specs) which comes in with the wireless card indicated in the title, Intel® Dual Band Wireless-AC 3160. I use this computer mainly for gaming, ...