Laptop screen goes black when HDMI connected to TV

I have a Thinkpad Edge 431. I've set it up in Control Panel to duplicate both the laptop and the external monitor when connected by HDMI. It works fine.
When I connect it to my TV, the laptop screen black. The TV displays "No Signal" until the HDMI connection is made. When the laptop screen goes black, so does the TV screen. No sound or picture.
This was working fine until recently, and I can't figure out if I somehow changed settings to make this happen. It's clear that to me that the HDMI port on the laptop works, as does the cable.
The TV port works (I've switched the connection on the cable box to each HDMI port on the TV, to make sure they work).
I can't change anything in Control Panel when I connect the HDMI, because the screen is black.
I've updated the Lenovo system.
The other relevant piece of info: the Intel Graphics Card control panel says that Monitor/TV Settings are not supported (although until recently, I could easily display the computer on the TV).
Can anyone help with this? Thanks!

No video and audio signals to the tv connected

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I have pretty much the same exact problem and setup as DaveA1. I have a Toshiba Satellite Laptop C55T-A5123 which I just purchased a few months ago and when I connect my laptop to my SONY TV via the HDMI cable the screen on my laptop goes black and the TV says no signal. It was working just fine up until about a week ago when I was watching a movie through my VLC player and then the screen flickered a couple times then video went completely out and I've never been able to get it to come back even once.
Here's the specs on my laptop:
http://www.newegg.com/Product/Product.aspx?Item=N82E16834114907
So far I have tried on two different TVs, swapped HDMI cables which work on my other HDMI devices, system restore and attempted to update various different drivers. I am curious to find out if Dave was able to find a solution to his problem.

[SOLVED] Connecting extra Monitor, laptop screen goes black.

Whenever i connect a additional monitor through HDMI (my only output), the laptop screen goes black. If i do FN + external_monitor switch, then the laptop screen turns on but the external monitor turns off.
If you move the mouse you can feel that the desktop has been extended as i wanted, it is just that one of the screens keeps going black. The gnome display settings show both screens as active, the menu is so minimalistic that there is not much to do.
system
[cristobal@orion ~]$ uname -a
Linux orion 3.11.4-1-razer #1 SMP PREEMPT Tue Oct 8 12:31:50 CLST 2013 x86_64 GNU/Linux
As a side note, the custom kernel is almost identical to the original archlinux one, just that USB 3.0 module is disabled.
some packages
[cristobal@orion ~]$ pacman -Q nvidia-dkms bumblebee bbswitch-dkms nvidia-utils gnome-desktop
nvidia-dkms 325.15-2
bumblebee 3.2.1-3
bbswitch-dkms 0.7-1
nvidia-utils 325.15-1
gnome-desktop 1:3.10.0-1
Any ideas?
Last edited by labotsirc (2013-10-15 18:33:18)

The problem is now fixed,
For some weird reason, this time the gnome settings did work. Must have been some sort of rare bug that now i cannot reproduce.
Last edited by labotsirc (2013-10-15 18:32:53)

N95 screen goes black when in between open and clo...

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Scott your grieviences are justified... but there is always a solution to a problem...even if this is a strange problem to be handled in an off the routine way, be it so... once again best of luck! not blame nokia for anything...nokia rules as always and nokia's productions have become very slow now :-( i wish they could make trendy phones like sony, sleek and stylish with new features.in some ways, nokia gets a little boring with no new features.. i dont feel any differnce between the nokia n95 8gb, n96 and n85(which i currently own)!
Scott lets hope for the best :-)
What's Worth Doing, Is Worth Doing Well!
All "N-series" are incredible!

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Hey 11doski,
Thanks for the question. After reviewing your post, it sounds like the display has a dark screen. I would recommend that you read this article, it may be able to help you resolve or isolate the issue.
iPhone: Hardware troubleshooting
Display has no backlight or dark screen
Toggle the ringer switch to see if the unit vibrates. If it does, it could be that iPhone is getting power, but is not displaying any image.
Try turning iPhone off and then on again.
While connected to the iPhone charger, try to reset the iPhone.
If the low-battery screen appears, charge the iPhone.
Thanks for using Apple Support Communities.
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Have a 3 yr old iMac the screen goes black when using it it will come back on when you move the mouse thanks for your help Dave

Have a 3 yr old iMac the screen goes black when using it it will come back on when you move the mouse thanks for your help Dave

It's possible you've got a 'hot corner' set up. If you have and move the mouse to a certain corner of the screen it'll do as you describe. Have a look in System Preferences>Mission Control, bottom left of the window click on the 'Hot Corners' button and see if there is anything in there.

Screen goes black when hooking up to TV via mini-DVI to video adapter...

Hello,
Ever since I upgraded my PB12" to 10.5.x (now running 10.5.5, but this issue has been there since upgrading to 10.5.1), when I hook up the mini-DVI to video adapter (different adapter than for hooking up to an external display as the mini-DVI to video adapter has composite and sVideo out) to my TV, the PB screen goes black. It's set up to mirror the PB on the TV, and the PB continues to run, picture works on the TV, but I loose picture on the PB. Only way to get it back is to reboot the PB (with the mini-DVI to video adapter unplugged). So, basically, if I try and use the mini-DVI to video adapter, I loose picture on the PB. This never happened under 10.4.x — only since upgrading to 10.5.x.
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http://www.monoprice.com/products/product.asp?c_id=104&cp_id=10428&cs_id=1042802 &p_id=5969&seq=1&format=2

[Solved] Screen goes black when I run "xrandr" with displayport connec

I am running Arch on a Dell Latitude E6500 with Xorg, nouveau, and Gnome 3. The graphics chipset is identified by lspci as "01:00.0 VGA compatible controller: NVIDIA Corporation G98M [Quadro NVS 160M] (rev a1)". So far, everything has gone swimmingly with the integrated monitor. Today, I tried to connect an external monitor via DisplayPort. I initially connected the monitor with the system booted and logged in graphically. The external monitor did not receive a signal, so I ran xrandr in an xterm to see if it was being detected. As soon as I ran the command, the laptop screen went black. On a reboot (this time with the DisplayPort cable plugged in from the start), the boot process stopped at the end of the systemd messages (ie, the boot was successful, but X did not appear to start). Connecting to the system via ssh from another machine, I set DISPLAY=:0 and ran xrandr:
Screen 0: minimum 320 x 200, current 1280 x 800, maximum 8192 x 8192
LVDS-1 connected primary 1280x800+0+0 (normal left inverted right x axis y axis) 331mm x 207mm
1280x800 60.03*+ 40.02
1024x768 59.92
800x600 59.86
640x480 59.38
720x400 59.55
640x400 59.95
640x350 59.77
VGA-1 disconnected (normal left inverted right x axis y axis)
DP-1 connected (normal left inverted right x axis y axis)
1920x1200 59.95 +
1600x1200 60.00
1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.08 60.00
800x600 75.00 60.32
640x480 75.00 60.00
720x400 70.08
DP-2 disconnected (normal left inverted right x axis y axis)
So, X does appear to be running, but isn't actually rendering to either monitor. I noted that there is no "*" next to a graphics mode for DP-1, which I took to mean that no mode was selected.
I then ran "xrandr --output DP-1 --auto" in an attempt to wake up the monitor. This had no effect on either monitor (I still had the boot messages on the integrated monitor, and a blank screen on the external), but running xrandr again showed that the default 1920x1200 mode was selected:
Screen 0: minimum 320 x 200, current 3200 x 1200, maximum 8192 x 8192
LVDS-1 connected primary 1280x800+0+0 (normal left inverted right x axis y axis) 331mm x 207mm
1280x800 60.03*+ 40.02
1024x768 59.92
800x600 59.86
640x480 59.38
720x400 59.55
640x400 59.95
640x350 59.77
VGA-1 disconnected (normal left inverted right x axis y axis)
DP-1 connected 1920x1200+1280+0 (normal left inverted right x axis y axis) 519mm x 320mm
1920x1200 59.95*+
1600x1200 60.00
1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.08 60.00
800x600 75.00 60.32
640x480 75.00 60.00
720x400 70.08
DP-2 disconnected (normal left inverted right x axis y axis)
The Xorg log shows the monitor connected through DisplayPort being detected with nothing that immediately looks like an error:
[ 22.289] (II) NOUVEAU(0): EDID for output DP-1
[ 22.289] (II) NOUVEAU(0): Manufacturer: DEL Model: a02b Serial#: 842084435
[ 22.289] (II) NOUVEAU(0): Year: 2009 Week: 7
[ 22.289] (II) NOUVEAU(0): EDID Version: 1.4
[ 22.289] (II) NOUVEAU(0): Digital Display Input
[ 22.289] (II) NOUVEAU(0): 8 bits per channel
[ 22.289] (II) NOUVEAU(0): Digital interface is DisplayPort
[ 22.289] (II) NOUVEAU(0): Max Image Size [cm]: horiz.: 52 vert.: 32
[ 22.289] (II) NOUVEAU(0): Gamma: 2.20
[ 22.289] (II) NOUVEAU(0): DPMS capabilities: Off
[ 22.289] (II) NOUVEAU(0): Supported color encodings: RGB 4:4:4
[ 22.289] (II) NOUVEAU(0): First detailed timing is preferred mode
[ 22.289] (II) NOUVEAU(0): Preferred mode is native pixel format and refresh rate
[ 22.289] (II) NOUVEAU(0): redX: 0.674 redY: 0.319 greenX: 0.188 greenY: 0.706
[ 22.289] (II) NOUVEAU(0): blueX: 0.148 blueY: 0.064 whiteX: 0.313 whiteY: 0.329
[ 22.289] (II) NOUVEAU(0): Supported established timings:
[ 22.289] (II) NOUVEAU(0): 720x400@70Hz
[ 22.289] (II) NOUVEAU(0): 640x480@60Hz
[ 22.289] (II) NOUVEAU(0): 640x480@75Hz
[ 22.289] (II) NOUVEAU(0): 800x600@60Hz
[ 22.289] (II) NOUVEAU(0): 800x600@75Hz
[ 22.289] (II) NOUVEAU(0): 1024x768@60Hz
[ 22.289] (II) NOUVEAU(0): 1024x768@75Hz
[ 22.289] (II) NOUVEAU(0): 1280x1024@75Hz
[ 22.289] (II) NOUVEAU(0): Manufacturer's mask: 0
[ 22.289] (II) NOUVEAU(0): Supported standard timings:
[ 22.289] (II) NOUVEAU(0): #0: hsize: 1280 vsize 1024 refresh: 60 vid: 32897
[ 22.289] (II) NOUVEAU(0): #1: hsize: 1600 vsize 1200 refresh: 60 vid: 16553
[ 22.289] (II) NOUVEAU(0): #2: hsize: 1152 vsize 864 refresh: 75 vid: 20337
[ 22.289] (II) NOUVEAU(0): Supported detailed timing:
[ 22.289] (II) NOUVEAU(0): clock: 154.0 MHz Image Size: 519 x 320 mm
[ 22.289] (II) NOUVEAU(0): h_active: 1920 h_sync: 1968 h_sync_end 2000 h_blank_end 2080 h_border: 0
[ 22.289] (II) NOUVEAU(0): v_active: 1200 v_sync: 1203 v_sync_end 1209 v_blanking: 1235 v_border: 0
[ 22.290] (II) NOUVEAU(0): Serial No: G283H929210S
[ 22.290] (II) NOUVEAU(0): Monitor name: DELL 2408WFP
[ 22.290] (II) NOUVEAU(0): Ranges: V min: 56 V max: 76 Hz, H min: 30 H max: 83 kHz, PixClock max 175 MHz
[ 22.290] (II) NOUVEAU(0): EDID (in hex):
[ 22.290] (II) NOUVEAU(0): 00ffffffffffff0010ac2ba053303132
[ 22.290] (II) NOUVEAU(0): 07130104a534207822b325ac5130b426
[ 22.290] (II) NOUVEAU(0): 105054a54b008180a940714f01010101
[ 22.290] (II) NOUVEAU(0): 010101010101283c80a070b023403020
[ 22.290] (II) NOUVEAU(0): 360007402100001a000000ff00473238
[ 22.290] (II) NOUVEAU(0): 3348393239323130530a000000fc0044
[ 22.290] (II) NOUVEAU(0): 454c4c20323430385746500a000000fd
[ 22.290] (II) NOUVEAU(0): 00384c1e5311010a2020202020200012
[ 22.290] (II) NOUVEAU(0): Printing probed modes for output DP-1
[ 22.290] (II) NOUVEAU(0): Modeline "1920x1200"x60.0 154.00 1920 1968 2000 2080 1200 1203 1209 1235 +hsync -vsync (74.0 kHz eP)
[ 22.290] (II) NOUVEAU(0): Modeline "1600x1200"x60.0 162.00 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "1280x1024"x75.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "1152x864"x75.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "1024x768"x75.1 78.80 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.1 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "800x600"x75.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "640x480"x75.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "640x480"x60.0 25.20 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 22.290] (II) NOUVEAU(0): Modeline "720x400"x70.1 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz e)
Googling has turned up a number of people having issues with DisplayPort, but in these cases the external monitor simply needs to be enabled (xrandr --auto, a BIOS setting, etc). Has anyone experienced this situation, where the working primary monitor stops working?
Thanks!
Last edited by Gavster (2015-01-25 17:00:50)

I got a displayport -> HDMI cable to try the laptop with my television. This worked seamlessly, with X auto-detecting the new monitor and correctly enabling it with a default of 1920x1080 (interlaced). I also was able to change it to 1280x720 (progressive) with xrandr. Since the monitor I originally tried with straight displayport also has an HDMI input, I tried the new cable there and again was met with success. I'll mark this as solved with the likely culprit being something very strange with my displayport cable (I had ruled the cable out since the EDID was properly reporting the monitor model and supported resolutions).

Satellite L405D-11V - Freezes and screen goes black when watching video

Ok, so I have the Toshiba Satellite L405D-11V, I have had a fault, basically, the computer would freeze at any time and the screen would go black, with the fan and lights still going, this could be on start-up, or a few hours into using the laptop, so I decided to ring up Toshiba's tech support and they arranged for my laptop to be collected and sent off for repairs.
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However, I got the laptop back today, I turn it on, everything is fine, I start using the laptop everything is fine, then I decide to watch a video on youtube, and it freezes again, so, I power off holding down the power button, hoping it was just a one off, I turn it back on, and load up the video again, it freezes and the screen goes black again, after working out that when ever I watch a video or play a game, it causes the computer to crash and freeze like before the repairs. So there is still a fault, but im not sure what to do
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Thanks

Hi buddy,
Did you change something on configuration after you got your notebook back from repair? Did you update a driver or something else?
What operating system you are using on your Satellite L405D?
To be honest its really hard to say why it happens because the technicians test everything to check if your notebook runs properly.
In my opinion you should try updating the display driver. Maybe its causing the issue
If not I would recommend installing Windows from Toshiba recovery disk to restore factory settings. These settings are pretested by Toshiba and should work.
If you still have the problem you must contact the technicians again. I mean you could track the repair online and according your posting everything worked well during repair so in my opinion it shouldnt be a problem to contact the guys exactly.
Explain your problem very detailed. I think everything can be clarified then. :)

PB screen goes black when TV is plugged in

I occasionally plug my PB G4 12" into the TV using the Video Adapter. This used to work fine - the desktop would span both TV and PB screen, just as it does when I have my external monitor plugged in.
But when I upgraded to Leopard this stopped working - when I plug the TV in, the PB screen goes black 90% of the time. And when I unplug the TV the PB screen stays black - I always have to shut the laptop down while the TV is plugged in and start it up once the TV is unplugged. But the PB still works fine when I plug an external monitor in.
Any ideas how to make this work again? Thanks.

Hi MrEleffe,
Welcome to the support community!
To fix any possible software issue that may be causing this to happen, please try to first back up all your data using the BlackBerry® Desktop Software and then perform a clean reload of your BlackBerry® Device Software. For further steps, please see the following KB articles.
For Windows®:
"How to back up BlackBerry smartphone data using BlackBerry Desktop Software for Windows" KB12487
"How to perform a clean reload of the BlackBerry Device Software for Windows" KB11320
For Mac:
"Back up and restore BlackBerry smartphone data on a Mac computer using BlackBerry Desktop Software" KB18776
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Please test to make sure the issue has been resolved before restoring your backup file.
If that doesn't help, then the issue may be hardware related. In that case I recommend contacting your mobile network provider again for other options.
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-FS
Come follow your BlackBerry Technical Team on Twitter! @BlackBerryHelp
Be sure to click Kudos! for those who have helped you.
Click Solution? for posts that have solved your issue(s)!

Screen goes black when coming out of screen saver. HP Pavilion,p7-1414 desktop, windows 8

the monitor shows the windows 8 screen with the apps, then the screen saver will come on. Then when I try to bring it out of the screen saver mode the screen goes black and nothing I do will get it to go back to the windows 8 screen. Then the mouse pointer will disappear. So I end up having to shut down the computer using the power button. If I have the screen set up for the old style windows 7 and it goes into the screen saver and I bring it back there's no problem.
fleamarketlady

Hello fleamarketlady,
Your computer goes black when it comes out of sleep mode some times.
Make sure that you are only using one cable to connect the monitor to the computer.
Open up command prompt and run the following command SFC /scannow.
This will scan the system files and correct any errors that it can.
Here is a link to command prompt.
When you go to open command prompt, right click and run as administrator.
If you are still having the problem you can perform a system refresh.
This will uninstall windows 8 and reinstall it without affecting your personal information.
Here is a link that will walk you through the steps for a refresh.
Let me know how everything goes.
Have a good day.

Narcoleptic laptop - screen goes black while working

Hi ho,
About a week ago my mac started acting strange. I'll be working and the screen will just go black. (it just did it again! Sometimes if I'm listening to music on my mac, the music will stop, so it's not just the screen going black, it's like the computer goes to sleep out of the blue.
I was trying out bittorent for the first time and I'm wondering it it's related to that, if there is something I don't know coming on to my computer from the internet, please advise. I took bittorent off and it'll still appear. A window from Opera will open, so I took Opera off my computer in case there is something downloading. I never use Opera, so I don't know why it keeps coming up.
When it goes black, sometimes if I click the power button, I'll hear the disk repower up and the screen will go on, but it isn't all the time. Once I get it started again, it may be a few minutes and it'ss do it again without warning, or it could be 10 seconds. There's no rhyme or reason.
Another thing I notice is that the laptop will get hot, and I'm wondering if it's an emergency mechanism if the computer is getting too hot.
Please help, of course, I'm dead without being able to use my computer! And this is totally messing with my productivity!
Message was edited by: madamep

Hi, madamep. A properly-functioning Powerbook should put itself to sleep (not shut down entirely) before it gets hot enough to do real damage to itself. That may be what's happening with yours, as you say it seems to be getting pretty hot.
I suggest opening Activity Monitor and seeing whether something is using a lot of CPU cycles a lot of the time, thus generating extra heat. If you find that something is, and it's something you recognize and can comfortably turn off, do so. Then see whether the unexpected-sleep problem diminishes or disappears. If there's nothing drawing heavily on your processor, are you using the Powerbook on a soft surface (bed, sofa, lap, etc.) that's inhibiting airflow around the PB's shell and through its cooling vents? If so, don't: it needs unobstructed airflow all around it, including underneath — that's why it has little rubber feet, to keep it elevated slightly above your table- or desktop. Always use it on a hard, flat surface, and if the feet have come off it, replace them with something that will provide airspace under the PB at all times. Also check to make sure the vents haven't become clogged with dust or fuzz: use canned compressed air or a household vacuum cleaner (not the brush attachment — that can generate a lot of static electricity that's dangerous to electronics) to clean the vents from the outside.

Screen goes black when playing "Tiger Woods PGA Tour 08"

No need to mention that I am very happy with my new iMac. It replaces my G4 MDD PowerMac. The iMac is huge, quiet and fast on my graphic design jobs. I even won´t want to miss the glossy screen.
Yesterday I received the brand new "Tiger Woods PGA Tour 08". Keen on trying the game I installed and successfully created a player and got first practice shots but as soon as I try to actually start a game scenario, it appears that the scenario just only loads about 90 % and then screen goes black. From there I can only shut down my iMac with the power switch.
Now I found a support note on the EA Games Site. Title: "Why does "Tiger Woods PGA Tour 08" lock up with a black screen when playing on an iMac 7.1?" Answer: "This is caused by a driver issue with the video card that will be adressed by next system update by apple later this month."
Question: is this indeed so? Can I expect a system update soon? Anybody there with the same problem?
P.S.: I checked if I could run the game with a new user. Same problem.
Thanks for help.

Thank you for replying. There are more postings in this forum about that issue. I.e. gamers trying to play Unreal Tournament suffer from the same freezing on the new 24" iMac. Have a look as well at the reviews in the US apple store on this game.
Solution is near. Installing 10.5 Leopard should solve the problem. As I do not want to install Leoprad yet, because some of my graphic apps will not run smoothly on leopard I have to wait for the next update for Tiger 10.4.11
Obviously EA Games is to blame and failed to test the game good enough before hand.

Screen goes black when making phone calls

Hi, I have started to use a new Xperia Z2 a short while ago. As soon as I am tapping the screen to call a phone number the screen goes black; I can hear the phone calling but can't see anything (not being able to turn on loudspeaker etc.). The sound works, and screen can be brought back to life when the call is finished. Same thing when I call with my Skype app - really annoying as the video mode in Skype doesn't function. When the call is finished from the other side, I can get the screen to light up again. What can I do to solve ths problem?

Hi.
I've got very simillar problem with Xperia Z2 screen.
Not always, but very often when I want to end the conversation and take the phone away from my head, screen remains black.
Only power button can help, when I click it, screen pops up and then I can click "END CONVERSATION"
It's really annoying. What can I do, to make it work ?
Answers for your further questions.
- I don't have any protection on the screen
- I don't have any case or anything
Android 4.4.2
Compilation number: 17.1.1.A.0.402
Thanks

Screen goes black when time is announced

When the time is announced (or even tested) the screen goes black and does in most cases come back after shutting off and starting up again.
Other applications, which "speak" to me have no problem.
So it has to be the speech sythesizer of the clock. OR??
Bet no one ever heard of this before.
Can someone help please.
Mac mini Mac OS X (10.4.5)

Hi MrEleffe,
Welcome to the support community!
To fix any possible software issue that may be causing this to happen, please try to first back up all your data using the BlackBerry® Desktop Software and then perform a clean reload of your BlackBerry® Device Software. For further steps, please see the following KB articles.
For Windows®:
"How to back up BlackBerry smartphone data using BlackBerry Desktop Software for Windows" KB12487
"How to perform a clean reload of the BlackBerry Device Software for Windows" KB11320
For Mac:
"Back up and restore BlackBerry smartphone data on a Mac computer using BlackBerry Desktop Software" KB18776
"Perform a clean reload of BlackBerry smartphone application software using BlackBerry Desktop Software on a Mac computer" KB19915
Please test to make sure the issue has been resolved before restoring your backup file.
If that doesn't help, then the issue may be hardware related. In that case I recommend contacting your mobile network provider again for other options.
Please let me know how you make out with that.
-FS
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