No Signal Before Or After Booting
Jul 10, 2012
I just bought a new pc :
Intel quad core i5 3450 3.1 GHz socket 1155 Ivy Bridge
mobo AsRock H77 PRO4/MVP
psu XFX Pro 550W
8gb ram Corsair Vengeance LP
HD WesternDigital Caviar Blue 500gb
Samsung DVD
win 7 64 bit
Monitor: Dell U2412M 24'' 16:10 1920x1200px
I attached the monitor via dvi cable and I'm using the integrated graphic card (Intel HD2500) My problem: yesterday the power went out (without problems for me, because I've got an UPS) but after this, when I turn on the pc, after booting (after windows 7 logo ) I got the message ''enter power save mode" on my screen and then it entered in sleepmode because there isn't signal
If I attach the vga (analogic) cable, there is signal and the pc works fine ...there is signal also with dvi cable in safe mode (F8)
I tried to boot another pc (with windows XP) to my screen with the DVI cable and it worked perfectly ...so I do not think it's a problem of DVI cable or a problem of the monitor
But If I attach a dedicated video card (I have a Radeon HD 5450) and if I leave the DVI cable attached to dvi output of the integrated video card (Intel HD2500) now there is signal after booting, but there is no signal during booting (till windows logo) ...the opposite!!
ps I installed the latest drivers of Intel HD2500 (version 8.15.10.2696)
pps if I use DVI cable with the dedicated video card (HD 5450) there aren't problems, so I think I'll use this card (or another dedicated vga) ...but I want to understand what's the problem with integrated video card
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Feb 9, 2012
I just bought a Netgear WNA3100 wireless usb adapter for my HP Win 7 64 bit laptop. I have been trying for 2 and half days to figure out why my speed is slow, why i don't have a good signal, and/ or if I do have a bit of a signal to my luck, why my signal comes and goes. I don't have internet at home at the moment because I am trying to save up to go to school. I am picking up a public business signal from a block away (which I have asked for permission to use), but I only am receiving not much of a signal with the Netgear usb wireless adapter.
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Jun 19, 2012
Earlier xp but after win7 the booting not show xp at booting time
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Nov 11, 2012
I'm trying to connect a TV to my laptop and want to use my TV as the second monitor.I'm using a brand new VGA cable and the laptop is picking up the TV fine, I can change resolutions, extend etc but the TV just says 'No Signal Through PC'. I'm not ruling out that I've been unlucky enough to buy a dodgy VGA cable but I don't have another to test it with here.
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Oct 10, 2011
I tried to hook up my hdmi cable from my computer to my lg hd tv, but i get no signal, i tried detecting the tv but nothing came up.
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Jun 18, 2012
Alright so it worked when I left to go pay a bill. Come back and it has no signal. I tried the PC on my TV to see if it worked and it does no problem, so I know the PC is not at fault. Tried a DVI cable and a VGA. Tried restarting and powering off everything.
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Jul 27, 2012
When I connect my PC to my TV Via HDMI Cable, my TV does not receive a signal. When I check in Control panel>Display>Resolution, My TV hasn't even been detected. My TV is an LG 50", Card is a GTX580, and my OS is Windows 7.
Also, when I connect my laptop to my TV via HDMI (Also on Windows 7), It is instantly recognised and automatically displays, so it has to be an issue with the PC itself.
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Mar 23, 2012
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Dec 16, 2012
i read the manual and followed the instructions as best as i could but when i was done and hit the power button, everything turned on except i I'm not getting any signal on my tv. Im using an HDMI cable i'm guessing thats the problem but I'm afraid to go back and try to fix anything. I also noticed a red LED go off as soon as i hit the power button but it never lights up again. (Only once) I think its my motherboard. Also, i tried turning it on about times and the last time i turned it on, my fans connected to the motherboard were no longer turning on. Im afraid i might've burned my motherboard. Here are my specs:
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Dec 25, 2011
I have a eMachines ET1300-2 (yes, I know, emachines aren't great) running Win7 Ultimate.Specs: Newegg.com - eMachines ET1300-02 18.5" Desktop PC Athlon X2 4850e(2.5GHz) 3GB DDR2 160GB HDD Capacity NVIDIA GeForce G100 Windows Vista Home PremiumA family member shut it off last night but this morning it started once or twice but stopped sending signals to the monitor part way through each time. The other times I started to run it, it doesn't display any BIOS or anything, and it doesnt seem like anything is runnin except the fans and lights.I got it into safe mode initially at one point, but again, the signal to the monitor cut out and I have no idea what happened after that.Each time I power-button-ed it off.Things were running fine until recently; I did install AirDisplay (forgot there was no wifi - I'm used to my laptop which does).I think it is expected, but I tried to put in the recovery CD to boot from CD, but, of course, nothing displayed.
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Feb 6, 2012
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May 8, 2009
I am experiencing a very disturbing issue with my newly installed ATI 4870 and my Windows 7 RC (7100). Prior to installing this card I had the following setup, which worked flawlessly.
nvidia 8800gt
intel p35 chipset in the motherboard
Samsung a656 40" LCD connected via a DVI to vga connector.
When I got my 4870, I uninstalled the nvidia drivers,rebooted, installed the latest (9.5) ati drivers and rebooted.
Then, I got a no signal in the monitor at the windows login screen.
Mind you, that when I (dual) boot in Vista, using the 9.4 drivers, everything is fine.
Things that I tried:
1. Creating a new monitor.inf file (located at the windows folder) using info from a post in this forum.- This should not make a difference, since I was using the same monitor.inf file in the same windows 7 installation, whitout any issues before I installed the 4870.
2. Changing the ATI .inf file to include only one resolution for the r7x cards 19 20 10 80 00 00 00 60- I think it sould be a refresh rate issue, since the vga port of the TV supports many resolutions, including 1600x1200 etc.
- It could also be an unsupported resolution, if the ATi driver cannot detect the monitor correctly.
3. Installing the windows 7 default ATI driver.
Things that I noticed:
1. I can login only in safe mode.
2. Low res mode (640x480) gets me to the login in screen, but as soon as I input my passowrd, I get no signal.
3. Changing DVI ports in the 4870 (it has 2)
Does anyone have any ideas?
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Aug 4, 2011
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Mar 21, 2011
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Aug 10, 2011
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Dec 6, 2009
I have new Acer Aspire 5739G laptop and fresh Windows 7 on it.
The wireless card is Intel WiFi Link 5100.
The problem is that wireless works only in short distance with access point - max distance is about 5 meters.
In that distance everything works fine.
But if I go farther or to another room it disconnects.
With other laptops all works fine even on very large distance.
I tried such things (nothing helped):
* uninstall, reinstall or update drivers
* install newest drivers from Acer site
* install newest drivers from Intel site
* tested with xp & vista drivers
* on network connection properties unchecked all things except tcp/ip v4 protocol (microsoft networking,sharing, link layer topology,QoS, TCP/IP v6 ..)
* disabled homegroup
* on adapter properties changed signal frequencies (1,6,11),
* on adapter properties changed standard type to work with: 802.11 b or g
* on adapter properties changed signal to MAX, don't use power saving
* disabled Internet security, firewall
* Changed access point signal broadcasting with no encryption or wpa
* it disconnects from another access point the same way (problem with system not wifi AP)
Maybe something forgot to say, but there was few hours of testing and can't fix it .
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Dec 5, 2011
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Feb 16, 2012
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May 30, 2012
Sony notebook with HD AMD6630 M. HDMI port not giving signal to TV. When I rollback the Intel Gaphics driver the HDMI signal comes alive but then goes dead after reboot. I have been trying to solve this for 2 weeks without success.
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Oct 15, 2012
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Dec 8, 2012
I have a brand new custom built computer. I assumed that I could take a cloned drive of my old computer and install it in my new one. Well, I took the hard drive from my new computer and installed it in an external drive case and cloned to this drive using Acronis clone tool. Then I installed the cloned drive back in my new computer. Now no signal whatsoever to the monitor. My monitor is good as I tried my old computer with it and it works fine. I hope I haven't done major to my new computer
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Jan 18, 2013
i have setuped all compute r wires but when i on the computer is telling that please checkvsingal cable
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Mar 3, 2011
Starting today my computer has been randomly turning itself off, although running lights are still on, and the computer sounds as if it is still running normally.Essentially what happens is that it crashes out, the monitor says input signal lost and then nothing happens. First two times it crashed whilst using Photoshop. Third time I installed a program to monitor the HDD temp. It was running just over 40c when it crashed again (had a low end game running to see if the HDD temp would rise). I waited 30 min before turning the computer on each time.Opened the case to check for any build up of dust, it seemed fine.I have also checked that all the cables are plugged in correctly.Also definitely something wrong, because holding down the power button didn't turn it off. Had to turn the computer off by the switch at the back of the computer.Only thing new with the comp today was updating Microsoft.Net framework, a few hours before the first time it crashed.
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Sep 19, 2012
Its my own configured desktop with 2GB RAM, core2duo processor, 2TB HDD . Earlier I used to get BSOD error but it has been stopped now.. but started giving new error. Monitor turns black showing no signal msg on display, PC get restarted 2-3 times and then only get started. After staring it'll show message that, "Windows has been recovered from an unexpected shutdown" and shows problem details as
Problem signature:
Problem Event Name:BlueScreen
OS Version:6.1.7600.2.0.0.256.1
Locale ID:16393
[Code]....
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Oct 26, 2012
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I could not do anything so I just turned my computer off and then back on again. When I then went to boot again in Normal mode, it just shows the windows logo and then does the same thing.
I have tried booting it in safe mode, and this works fine. I don't think it is anything to do with my monitor as it works in safe mode and also it's my tv which works with DVDs and anything on TV.
Could it possibly be something to do with the drivers? Although I have been playing other games fine until now. Or could it possibly be something such as a corrupt file or the game installed something else which won't work?
Someone also suggested that it might be something to do with the power going into the computer? They said it could be putting too mcuh power into it and it would cut out.
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Oct 22, 2011
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- 1 VGA and DVI built in into motherboard.
Sometimes, when the Nvidia doesn't work, I connect to built-in card and monitor starts working. Next time when it's out, I connect back to Nvidia. There have been situations when only one of the four connectors is working. This means that on one graphics card there may be only one connector which is functioning. I don't get this. Problem isn't in the display nor the cable. It also doesn't seem to be in the graphics card as the built-in connectors aren't fully functional neither.
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Oct 30, 2012
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