Lenovo ThinkPad L R/SL :: R51 Has Black Screen - Will Not Boot

Apr 26, 2013

My R51 was working perfectly and has been maintained over the 8 years it has been with me. I wanted to upgrade my RAM and downloaded the BIOS update and chipset drivers updates.

After powering down I pulled the old 256MB RAM sets from under the keyboard and bottom of machine. I then inserted the single 2GB RAM into the slot under the keyboard and reassembled it.

Black screen/ no boot

Took out the 2GB replaced the 256MB sets and it worked fine for a few hours as I searched out reasons why the 2GB would not work. 'Suddenly the screen goes black and the system shut down.

It will power up (battery light/ status light green) but screen is black and it will not boot. Fan is running and battery charges. I tried hitting F12 and F8 but nothing.

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Lenovo X Series ThinkPad :: X1 Carbon Won't Boot After Windows Update - Black Screen With Blinking Underscore

Nov 4, 2014

It's been a yeah that i work on this X1 Carbon laptop and no default. I got a windows update yesterday, i did it and my computer powered off naturally. This morning, i cant start it, It boot well, Lenovo sign appear but nothing after. only black screen with blinking underscore.

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Lenovo ThinkPad L R/SL :: L440 / Win 7 64bit And TFT - Black Screen While Working For Few Second

Nov 24, 2014

Customer has three L440 with Docking station PRO and Samsung 22" S22C45 on DVI
 
* W7 64BIT Sp1 Lenovo version not VL
* Latest BIOS
* Latest GFX Driver
* All Windows WSUS Updates (Standard Image from lenovo with all Hotfixes)
* Power Options set to Performance (lenovo Power manager deinstalled)
* Office 2010 SP2, PDF24, APPV client 4.6+
* Dameware 6.X Agent
 
problem:
 
Laptop is in docking station with external 22" Samsung DVI and working in Winword, IE or others. Suddenly screen from Samsung turns black (laptop TFT from people who use dual stays on). After 1-10 seconds the samsung screen comes back. We fiest thought this was some RDP issue with other users connecting to the device. (Not the case)
 
NO > BIOS and GFX is latest and MADE it worser with updating to the latest (happens more often).
NO > MHz change from 59/60 or slighty modify did not solve
NO > It's not a screensaver problem
NO > All three Samsung are from diffrent shippments and even Distributors
NO > All three L440 are from different time periods 2-3 Months split

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Lenovo ThinkPad Yoga S Series :: Black Screen S440?

Feb 5, 2015

I followed all steps here----> [URL] .... and still getting black screen after all. What should i do next...

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Lenovo ThinkPad W Series :: W520 Random Sleeping And Black Screen

Dec 7, 2012

Btw my mobo,cpu,memory i believe were all replaced last time i took it in with this issue... Still getting it consistently:
 
Random Black Screens and Random Sleeping: [URL] ...
 
Black Screen: [URL] ...
 
I thought before maybe its Bluetooth related as sometimes when screen would turn black and then come back, I would get a 'Bluetooth Device Not Discoverable'. So turned off Bluetooth in the BIOS, but still having display/sleep issues.

I removed hte Lenovo Power Manager/PM Driver, and turned off sleeping in the Windows power settings (in every setting including if Low Battery Action).

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Lenovo G560 B / G Series :: Won't Boot And Black Screen After HDD Upgrade

Jan 26, 2015

Lenovo G560 - Issue with won't boot and black screen after HDD upgrade.
 
 What happen: My laptop was working fine, no blue screen issue, no funny business at all. I bought a new SSD Intel 120 GB and thought it would be good to replace the HDD. I shutdown and disconnected the power adapter, waited a couple of minutes and removed the battery. I opened up the back case and replaced the HDD. And put all the screws back and put the battery back in.
 
Problem: The very first time I turned the power on, nothing happens besides a black screen. I pressed the dvd drive it works and opens up and closes. I waited for about 30 mins and still has blac screen. When I mean black screen, no bios menu, no logo, just a black screen with the fan sound on.
  
I have tried these:
 
1. Unplugged everything - battery, adapter, and pressed the power on button for about 60 seconds, nothing, the laptop turns on with the LED display on for both on and battery LED's. But nothing but black screen, no sound of windows loading just the fan and black screen.
 
2. I tried putting back my old 2.5" and nothing but black screen.

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Lenovo T400 / T500 :: Black Screen On T420s And No Boot

Jun 7, 2013

I have a T420s that I bought a couple weeks earlier, it's a used one, so there's no warranty with it, I used it several days without any issue, I don't use it very frequently as I use my corporate one most of the time.

Someday when I wanted to turn it on, it stacks on a black screen and it beeps one beep then two other, nothing showing on the screen not even the thinkpad logo at startup, I thought it was a RAM related issue so I put the one from my corporate PC but without any luck, so I wanted to see if its graphic controller issue, I plug the VGA cable on the laptop and my TV and here I can see the thinkpad startup logo but after that I see a message on the screen telling :

"Real Time Clock Error - Check Date and Time settings. Press Esc to continue or F1 to enter setup" and when I press either one nothing happen at all, still stacks there.

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Lenovo X Series ThinkPad :: X230 - Screen Blink And Black Bars Appears

Mar 11, 2014

I've got a X230 with an IPS screen since 1,5 years, and I currently have some issues with it.

Sometimes, the bottom left of the screen blink and black bars appears, along with some square brightness shapes.

I'm pretty bad to description, so here an album of the problem : [URL] ..... (it's more clear if you zoom).

Link to picture

This is a detail of the bottom left :

Link to picture

Again, this appear sometimes only, and a knock in the screen resolve the problem, but it's worrying.

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Lenovo T400 / T500 :: ThinkPad T430 Flashes Black Screen For 5 Seconds When AC Plugs In / Out

Dec 26, 2013

Yesterday i have taken new laptop model - T430. It flashes a black screen for 5 secn when i plugins in/out.
 
I have checked refresh rate. It's set to 50.

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Lenovo T400 / T500 :: T510 Won't Boot Up (black Screen) After HDD Pulled Out And Put Back Again

Nov 22, 2014

I've just out my hdd to check whether the ssd will fit there, just checked whether the slot is ok. Then I put back the original HHD very carefully. After that I opened the extra RAM slot, took it out and put it back, also VERY carefully. I didn't harm the laptop in any way.

Then I turned the computer on and it was just a black screen, nothing happening. No indicators lighted up, except for power button. I cannot enter BIOS, no response whatsoever.

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Lenovo X / Helix Tablet :: ThinkPad X230 Login Screen Not Appearing - Black Display With Cursor

Jun 21, 2013

I have a ThinkPad X230 Tablet. I tried system restore and safe mode, but none of it works.
 
After windows loads with the glowing animation, the login screen does not appear. I cannot open a task manager. I don't know if it's a problem with explorer.exe or what.
 
The explorer.exe crashed when I tried to connect to an external hard drive, and I tried to get task manager to open, but it wouldn't open.
 
That's when I tried to restart computer, and login screen would not appear. All I have is a black screen with cursor.

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Lenovo ThinkPad Yoga S Series :: Windows 8.1 Update - S440 Black Screen With Flickering Cursor

Oct 20, 2013

I have an S440. I've had it for one week. Two days ago I downloaded the Windows 8.1 update from the store. Since then, when I start up the computer, it doesn't even taken me to the 'sign in' screen. There's just a black screen. When I move the cursor, it briefly appears, flickers, then disappears again.

I understand this is an issue with the graphics drivers. So I ran Windows in safemode and disabled Intel R HD Graphics family and AMD Radeon HD  8600 series graphics drivers.

This, unfortunately, hasn't fixed the problem. It still boots to a black screen with an occasionally flickering cursor. I'm currently running in safemode.

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Lenovo ThinkPad L R/SL :: SL510 Doesn't Boot - Only Logo Screen Appears

May 31, 2011

I have the following problem with my computer, lenovo sl 510: when pressing the power button, the computer won´t boot. On the display you can see a black background, in the upper right corner the intel emblem and in the lower left corner you can see "thinkpad". I cannot enter the bios and nothing works. We´ve tried already to press the power button a few times to reset the computer. Didn´t work as well. The keyboard doesn´t accept any hot key combinations.

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Dec 18, 2009

I made sure the machine was not in sleep or hibernation mode, and the user states the machine was fine a few hours ago.

I removed the hard drive but that did not change the behavior...

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Feb 2, 2010

I'm not able to get past the initial logo screen. It just hangs, pressing the blue thinkvantage button does nothing. F12 likewise. Not able to get any sort of boot menu. Bootable CD in drive lights flash, no boot.

Have tried:

Reseating hard drive

Reseating Dimms, swapping and plugging in one at a time

Removed battery and held power switch down to discharge 

This is a type 2714-CTO R500 ....

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Jun 2, 2014

Recently I've got an Thinkpad L540 and it's pretty cool.
 
But I got a problem that when the laptop is booting while a VGA is plugged in, the boot screen (the screen right after when the laptop turns on) will always be shown on the external Display (Projector). I've already checked the BIOS and it is set to "Thinkpad LCD".
 
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Aug 19, 2014

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Sep 5, 2014

I have a little problem with my Acer E1-570.Yesterday I turned it completely off for the first time (I have been using sleep mode before), and when I tried to turn it on again, nothing happens.Power led is on, and HDD led flashes once, but after that it does nothing.I can hear fan spinning for few seconds but after that it's complete silence inside the computer.

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Dell :: XPS M1710 Black Screen Wont Boot

Apr 27, 2009

When I start up my laptop the Windows splash screen loads but with vertical lines then the screen shows random fuzzy lines and colours and then the screen goes completely black and nothing happens.

At first I restarted and ran in Safe Mode and ran CCleaner which after restarting worked for a short period but then would suddenly go to a black screen and one occasion went to a blue screen with the following message

*** Hardware Malfunction
Call your hardware vendor for support
NMI: Parity Check/Memory Parity Error
*** The system has halted *** .....

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Sep 13, 2014

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I have a recall plug LS 15-(need Rreplacement) could this be the problem?

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Jun 3, 2009

i'm having a issue with my santa rosa mbp. I left for dinner and left my notebook on. Naturally the machine went to sleep. After i came back the machine would not boot up, the screen doesn't even turn on. The light on the latch release remains on. When i try a hard reboot, i'm having the same issue. Black screen, doesn't even get to the grey screen with the apple logo. I've tried going on 1 dimm or ram to see if it's a issue with the ram and still doesn't fix it.

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Jan 11, 2015

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At first, hitting the power button to turn off then back on and the second time the boot process would work. Then it failed to do that, so I had to remove the battery, pull the power cord and hold the power button down for 30 sec's, and then it would boot normal. Now even that does not work, just have to keep powering down and re-powering and after a random number of times, 10-30 it finally boots normal, every once in while it will work first try. It seems to be getting worse. 

I have used the Dell Diagnostic on boot (though it took many tries to get into the ePSA, that did not detect any problems. When I use the Dell Support Advanced, no problems detected, and I specifically rand the Motherboard (which included CMOS test) and those did not find any problems.

If I put the computer in sleep, it comes back fine. It is only when I shut down, laptop just will not boot until I hit power on (fail) / power off repeatedly until finally, as if by luck it works fine.

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Feb 18, 2013

I have a Dell Vostro 1500 which sometimes ,doesn’t want to boot.

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If I want to restart it  , I’m getting a black screen(without any beep) , and when I'm turning it on ,I must press 20-60 times on power button  and maybe it will work.

In the same time ,I can keep it on,3 4 days ,without any problem.

I discovered that, when I want to turn it on (forced),if I press hard in the middle of the keyboard ,around keys "y /u/i/k/j/h" ,I hear a small sound, and after this its booting.

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Mar 11, 2015

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I have an Acer 7535-5020 that will not boot up.  A few times prior to this happening it said that Windows was not shut down properly - this was right after a batch of Windows updates was installed.Now, it will not start at all. I have tried pressing every F button in hopes of it catching the Bios - we had noticed a few times that it was not set to start from the hard drive and changed it but for some reason it was not holding the changes, we think.I have googled and found that many Acer's (different models) seem to run into this problem and for many, it seems that something called flashing the Bios takes care of the issue. I would like to know which Aspire 7535 model BIOS I need to use as well.  I think there are 2 different models listed.

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I've now spent many hours of research and troubleshooting to try to fix this issue, both via external sites through google search and here on Acer site.
 
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Aug 15, 2009

i have a 1.5 year old HP PAVILION dv2500.

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Nov 25, 2013

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