Questions about performing repairs on your mobile computer

learn more… | top users | synonyms

-1
votes
1answer
18 views

Should i Buy a new laptop or upgrade the old one? [on hold]

I have a Hp pavilion g6 notebook with configuration = processor i3-3110M @2.40ghz ram = 2gb hard drive = 500gb sata Radeon 1gb graphics card Os currently win 8.1 I bought it in june 2014. I ...
0
votes
0answers
8 views

Plug in ZIF connector under laptop motherboard

I needed to do a repair of my Lenovo Thinkpad T440 and was able to take everything apart successfully but now I'm trying to put the thing back together. When the laptop is facing bottom up the ...
-1
votes
0answers
19 views

Change motherboard Notebook Samsung NP300E5C

I've the following laptop: NP300E5C that is actually broken (BIOS brick). I'd like to change his mobo with another one, I've found one of an NP300E5X-A01IT Here seems that the 2 mobo are identical, ...
0
votes
1answer
26 views

What is purpose of black and white cables from LCD display?

When I disassembled laptop I noticed two wires from right part of display. What is purpose of them. They were connected to MAIN and AUX ports on some little board (which is under motherboard, so I ...
1
vote
0answers
44 views

What wires can I use to make an extension of LCD?

I want to put main part of laptop into a drawer, and put display on a desk. Like this. So I need to make wire extension of laptop's LCD wire (extend length), which connects LCD display with ...
0
votes
1answer
50 views

Repairing an old Windows computer without install disks

I am trying to fix an old HP Pavilion dv9000. I think the system got corrupted, after different people tried to fix it. When I start it up the HP logo shows up then this: then: then: then: ...
0
votes
1answer
27 views

My laptop won't let me enter my password

This started a couple of days ago when my laptop's built-in keyboard suddenly stopped working for no apparent reason. So I tried the usual "turn it off and turn it back on again" approach, and now I ...
0
votes
0answers
6 views

Laptop screen flickers but more in the night

Asus VivoBook S301LA running Ubuntu 14.04 64-bit The problem mainly occurs on websites which are graphic/image intensive. The problem mainly occurs in the night. I may have a flickr an hour in the ...
0
votes
0answers
19 views

Laptop MOBO repalcement or chip level replacement

My Samsung (NP300ESA-S05SA) laptops power ic is gone. Been working with that for almost 2 years by not using power saver mode and display brightness in full mode (Yeah this is my own temporary ...
0
votes
0answers
18 views

Lenovo thinkpad z560 not booting

My z560 isn't booting. Here are the details: Symptoms: Fan working when turning on Screen stays black No beeps HDD indicator is off. In some occasions, turns off after 2 seconds but in most times ...
-3
votes
2answers
50 views

An operating System wasn't found, try disconnecting any drive,

An operating System wasn't found, try disconnecting any drive, that didn't contain an operating system, click ctrol/alt/delete bitlocker was loaded on but the user already had PGP software ...
0
votes
0answers
50 views

I have a dell inspiron 1545 that was stolen now returned but windows 7 had been installed no product key code

I have a dell inspiron 1545 that was stolen now returned but windows 7 had been installed no product key code? I ordered this pc back in 2009 They took all my disk it was Vista prem home. Now it's ...
1
vote
0answers
16 views

Acer Aspire 1694 not charging

I've a Acer Aspire 1694WLMi and it just stopped working. When the charger is connected, its (the charger) green LED indicator starts flashing repeatedly but there's no life signal from the laptop. On ...
0
votes
0answers
56 views

Is it safe to install a universal LCD inverter?

I recently bought an inverter for a failed laptop screen. The part number was the same but the board had slightly different components on closer examination. It worked for several seconds (the screen ...
-1
votes
1answer
33 views

Turning wifi on cause my Laptop to freeze [closed]

I have a HP-G42 Laptop with windows 10 installed, recently i came across new issues Turning WiFi on causes laptop to freeze including mouse and keyboard. Sometimes it freeze for no reason.
0
votes
1answer
56 views

Keyboard's 'G' button not working

My laptop keyboard's "G" button has stopped working all of a sudden. I didn't make any update or any hardware change. I have to use on screen keyboard to type "G" alphabet. I use Linux but checked ...
0
votes
2answers
26 views

Disconnecting laptop keyboard and connecting external keyboard: viable solution?

My Sony vaio keyboard has started behaving erratically. It presses some random keys, other keys dont work. Day 1: Numberpad Minus not working Day 2: I, O, G, Home keys not working. When I start up ...
0
votes
1answer
43 views

LOUD Computer Fan [closed]

Toshiba Satellite 9755-S5320 fan completely went out, no warning sign, just turned it on one morning got a message that the cooling system has a problem, get repaired immediately. I order a new fan ...
0
votes
0answers
32 views

No dislpay, BIOS, HDD LED activity in Acer 5742G

When I power on my laptop (Acer 5742G) I found there is no HDD LED activity, no BIOS message, Nothing is on the display. But the Power LED is continuously on. Exhaust fan was running. Dont know ...
2
votes
1answer
38 views

Testing hardware in computer that fails to POST

With a computer that powers on and runs its fan, but doesn't get any further, what would be useful troubleshooting steps and diagnostic equipment (if any)? It seems undamaged to look at, and the user ...
0
votes
2answers
85 views

Faulty USB ports, fixes?

I have a 5 years old laptop whose USB ports are temperamental. With some things, like external HDD, or USB drives, I often need to play around with the USB to get it functioning. For other things, ...
-1
votes
1answer
134 views

I think I fried my laptop but I'm not sure [closed]

Help I think fried a laptop from the usb port and I started thinking dont laptops have surge protectors if so it's it repair able because I need money and I want to sell it
0
votes
0answers
25 views

Disable broken laptop keyboard in Windows 8 [duplicate]

Is it possible to disable the internal Keyboard on my Laptop? I poured Tea over it and now the "M"-key is stuck. I tried a lot and it is far too expensive to replace the keyboard on this old laptop. ...
-1
votes
1answer
105 views

What is “S400CA.BIN” on my ASUS laptop?

I just bought a 2nd-hand laptop (ASUS vivobook) from a guy; there's this S400CA.BIN right under my C drive; it's 6,293,504 bytes, and seems to come with the laptop. The guy said it may have to do with ...
0
votes
1answer
2k views

Lenovo Yoga Unable to Power On

So I was watching some YouTube videos earlier and my computer suddenly shut off, similarly to what you would expect if it had overheated. I don't expect that it did overheat: I wasn't actively ...
0
votes
0answers
65 views

Laptop fan compatibility

I have a Lemur Ultra 3 laptop from system76, and recently, the CPU fan has started making a rattling noise. I want to replace it with a new one to resolve this problem. The CPU is an i7-2670QM. By ...
1
vote
1answer
393 views

Run time difference between a 4-cell (43 Wh) battery and an 8-cell (58 Wh) battery?

Is there a significant improvement in battery run time going from a 4-cell (43 Wh) battery to an 8-cell (58 Wh) battery? How much longer will it run (percentage-wise)?
0
votes
1answer
431 views

Bitlocker encrypted drive 8.1

-EDIT - in DISKPART - Volume 0 is my C drive. It's blank under 'LABEL'. The file system is 'UNKNOWN'. Wouldn't that mean it's corrupted? What can I do about this? First off, I'd like to say I've ...
0
votes
1answer
33 views

My compaq presario would not come on

My compaq presario cq60 does not come up atall when I try to put it on. But immediately I plug in a charger to it, the charging light shows white and the power light comes up to and so the fan like ...
0
votes
0answers
15 views

What could be causing my laptop to lock up? [duplicate]

My laptop has a problem of locking programs randomly crashing. I ran a diagnostics test through my bios and a thorough memtest through my bios. I installed a clean version of Kubuntu on it recently, ...
1
vote
3answers
154 views

20 Million Raw_Read_Error_Rate per minute

My computer is going a little heavy on the raw reads.... I decided to check the SMART status of my hard drive, and I saw it had 125239624 raw read errors. Just a minute later I checked again for ...
1
vote
1answer
137 views

How to determine screws needed for a laptop

I am working on my Acer Aspire 5742z-4685. Where online can I find an exploded view on my laptop that shows all the laptop components, down to the laptop screws? I looked all over the Acer site but ...
0
votes
0answers
85 views

Regular audio crackling/cpu spikes when connected to wifi?

I've had this problem for several weeks now, and haven'n managed to find a fix for it. It usually happens every 5-10 minutes, specially while watching a youtube video or using any thing which needs ...
0
votes
0answers
76 views

My Acer E1 534 laptop screen is black when i turn it on

I tried putting a bright light on it to test whether the back lights are damaged, switched around the ram and drained the battery on motherboard but still nothing, what do i do.
0
votes
1answer
56 views

Why do individual Keys on a notebook become hard to press? [closed]

From time to time some of the keys on my notebook stop working, unless I press them very hard. Those keys are also harder to press down. I have had this problem on previous notebooks as well. ...
-1
votes
1answer
101 views

Spilt a bit of water on my keyboard

Alright so i spilt a bit of water on my keyboard while back. It was very little so i didn't really try to do anything. However a few minutes later i realised that some of the keys on my keyboard won't ...
0
votes
0answers
145 views

My laptop battery just won't come out! (Lenovo U400)

I'm trying to remove the battery from a Lenovo U400 laptop. It should be as easy as taking out the screws from the battery, unplugging it from the motherboard, and lifting it out, but it's not! Once ...
0
votes
1answer
109 views

Blue Screen STOP: 0x0000007B

I am getting blue screen like this: What i actually did is I marked my system partition as active, when restarted, I had message "BOOTMGR is missing Ctrl + Alt + Del to restart" I inserted Windows ...
0
votes
2answers
35 views

Laptop HDD Swap

I'm thinking of swapping the HDD from one non-functioning (dead screen) laptop to another. Assuming that the sizes of HDD all match up, along with the connection type, will this work? I understand I ...
1
vote
2answers
767 views

How do I diagnose this hard drive or motherboard issue?

I am having a weird issue with a laptop I am fixing (let's call this laptop Broken). I used a second, working laptop to diagnose issues (let's call this laptop Working) I got Broken, and the HDD ...
4
votes
2answers
946 views

Laptop wifi card doesn't look like I expect

I've been having intermittent problems with the Internet connection of my HP Envy, which has an Atheros Wifi card. Some googling indicates that this is a fairly common problem with these laptops. I ...
1
vote
2answers
2k views

Switching hard drive in lenovo flex 2 14

I have a Lenovo flex 2 14 with mechanical hard drive. I bought an SSD to switch it but I encountered a problem opening the laptop. I followed the manual here: manual I started by removing the ...
1
vote
2answers
60 views

Replacing screen and hinges in a laptop?

Aesthetics aside, is it possible to replace a laptop screen with one from a different laptop (make, model, size, etc). Basically, I have a hp DM1z (11.6inch) with a cracked screen and an old 15inch ...
0
votes
1answer
1k views

Replacing notebook thermal pads

I happen to own 2 Acer Aspire notebooks - old 5737Z and newer V3-571G. One thing they have in common is overheating a lot (I wouldn't blame them, they were abused a lot). I heard it could help quite a ...
5
votes
1answer
290 views

Can I run with a computer in my backpack?

This maybe a tad off-topic, but as it says on meta, hardware questions should be fine on Super User. I want to run home from work (~20 min of jogging) but I need to bring with me my laptop, a Macbook ...
0
votes
0answers
103 views

Laptop Power Jack Wire Repair

I know diddly squat about names of wires and parts, so I'll do my best. The power jack on my Acer Aspire 5720Z laptop went bad. I bought a new one. Almost as soon as I got it, I managed to pull one ...
0
votes
0answers
1k views

Dell laptop screen black on boot, even Dell logo at Bios boot not shown

I have a Dell N5010 laptop. I recently got my motherboard changed from a local repair shop. Ever since I started using the new motherboard, it so happens that every other day when I switch on the ...
0
votes
0answers
71 views

orginal broken part from samsung, can't replace with unbroken

I have samsung NP550P5C laptop and I wanted to replace dvd driver with ssd. I took off dvd drive, and try to put ssd with case. but It doesn't fit. after that It made me wonder why It doesn't fit like ...
-2
votes
2answers
80 views

changing charger port on laptop [closed]

Is it hard to change the charging port on my Acer laptop or do I have to take it to the repair shop? Is there any way to charge it without fixing that port? I only need to charge it long enough to ...
1
vote
1answer
49k views

Can I charge my laptop through USB [duplicate]

The charging port on my Acer laptop is dead, I thought it was the charger but I bought a new universal charger only to discover that the problem was the port on my laptop. The new charger has USB ...