Pavilion H8 - 1240T goes blank due to power saver settiing ?

ok a while back I was having this same problem where my H8 - 1240T was going to a blank screen..... the fix was to completely turn off any screensaver and sleep mode..... blank screen/total freeze problem has come up when I stupidly tried to experiment with some power saving mode settings and now I can't get the screen to stay on for more than 5 minutes ! Multiple boots bring up a blank screen even though there are no error beeps when the computer powers on.... after an overnight shut down I am able to boot up into Windows 7 to try and turn off all power saver settings but the screen eventually goes blank...... in the past HP tech support has been unable to pin the problem down so I am asking if anyone has experienced this same situation and what the fix is..... I have an image of my hard drive when things were working good but I'd like to fix it without having to reinstall..... I'm thinking this is some sort of driver problem/conflict with the Nvidia card. I'd like to someday be able to use a screensaver with this machine !

Hi bigollo,
I saw your post and I will be happy to help. There is definitely something going on with the graphics card and/or drivers. Let's start by checking the hardware. Below is a document about how to use the HP Diagnostic Tools. I would do the System Check – Extensive Check and under Components do the Video Test.
Testing for Hardware Failures Windows 7:
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&dlc=en&docname=c01443317&lc=en&jumpid=reg_r1002_us...
If you are using the standard graphic card that came with the Pavilion here is the driver for it below.
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=cp-103282-1&cc=us&dlc=en&lc=en...=
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

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Solved!
Go to Solution.

I know it's been a while since Amber posted this, but I just ran into this same problem and want to share what worked for me, when nothing else did. My CD/DVD drive was not reading CDs at all and was not showing up under My Computer. It kept telling me the Optical Drive was off, when in fact the energy settings had it turned on. I tried everything that everyone else suggested and nothing worked. I finally found this page that solved my problem:
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Have you tried to restore to factory settings to rule out any software issues.
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I have observed the following:
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Yup, I concur with tobiasrieper. if you have breathing lights off, it will return to the power saver.
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Message Edited by bk76 on 17-Jul-2008 01:28 PM

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Hi there,
Could you provide the community with a little more information to help narrow troubleshooting? What operating system are we using?
You can say thanks by clicking the Kudos Star in my post. If my post resolves your problem, please mark it as Accepted Solution so others can benefit too.

My MacBook Pro's screen just started randomly going blank, sometimes white sometimes black, and I won't be able to do anything no matter what key I press unless I restart it via the power button and even then I have a few minutes before it happens again

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Try a SMC reset:
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Hello @phil1001,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that your monitor goes black when connected to your desktop computer, and I would be happy to assist you in this matter!
To further diagnose this issue, I recommend following the steps in this document on Monitor or TV is Blank after Starting the Computer. This should help return the video display to your desktop computer through the monitor.
If the issue persists after completing all of the steps indicated in the resource above, please call our technical support at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region.
http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
I hope this helps!
Regards
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

HP C5550. When turning power on, screen goes blank and front lights start flashing.

When turning power on, screen goes blank and front lights start flashing. I have unplugged and changed ink cartrides. What next?

Hello hmnshgrwl,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
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Screen Goes Blank, Hard Drive Stuck, Cannot Re-Install, or recover

I have somewhat a bizzar problem that even with several years of IT experience I seam not to be able to figure it out. I thought I toss it our here at Toshiba community in hopes of people's collective experience shedding some lights on my problem.
I hava a 3 year old Toshiba Sattellite A305D with updated BIOS to version 2.10. It came with Windows Vista Home 32bit and I had upgraded it to Windows 7 64-bit last Christmas. It was working fine till last month that I started getting sporadic blank screens. Here is the symptome with details: screen goes blank, backlight it on, but there is no content on screen. At this time the Hard Disk Drive activity light is steady lit. Initially the problem happened intermitently and sometimes it fixed itself after few minutes and screen would come back on, but when it started to happen more often, I started to look for some troubleshooting. Some people suggested that blank screen could be due to bad lid close button being stuck or Windows power management's CPU power being set to 5%. I have tried cleaning the lid button and fixing power management but no luck. Then, I tried re-installing Windows from DVD, screen never went blank till after the first few steps of setup to the point that it says "Extracting Windows Files". At this time I started to think this is a hardware issue. I took out the RAM, I installed it on my MacBook Pro and used it for few days, and I had no problem. I even diagnosed them with Windows Memory Checker in the list of Recovery Options and no problem was detected. So, the next suspecious thing was the video card or display inverter. I tried connecting the laptop to an external monitor to test the screen's inverter, and same thing happened and external monitor went blank. I used Windows Recovery options and left it on that screen over night and nothing happened so I concluded the video card is fine. Next, I had turned off the Wifi and Lan, but nothing seamed to change, so I concluded those are OK as well. My last coclusion was that the hard drive is bad. I took the drive out and coonected it to my Desktop PC and ran disk utiility scan to check for bad sectors and none was detected. So, I thought the drive might be totally broken. I went to local electronics store and bought a brand new HITACHI SATA II drive and installed it. At first same thing happened so I gave up. Since I didn't have the recovery disks, I ordered recovery disks from Toshiba and tried that. Save thing happend and as soon as it started copying files, it blanked out. OK. So this time I ran a different recovery option and formatted the entire hard disk and zeroed out all sectors. That took approximately 3 days to finish for a 500GB brand new hard drive. Seams a long time.After that I could install Windows 7 64-bit from scratch up to the end. However, things got gorry again when I started installing Updates and driver packages. I had read about some problems with ATI drivers and Catalyst software with .NET updates, so I did not install any driver from update site and made sure all .NET updates are installed. I had to install the updates slowly chosing a few at a time. Otherwise same thing would happen. I got stuck to the point that I could not update anything. Windows files seamed to be corrupt and turning on/off Windows Features in controll panel was blank, so I had to re-install again. I did Re-install successfully using the upgrade option. This time I installed .NET updates first before any other updates. Then I started downloading all Toshiba drivers. Aazingly, the laptop worked for few ours without the symptom. I managed to install most of the drivers and updates including Value Added Package, HDD/DVD Rom Patch, Registry Patch, Sound, Modem, Atheros Wireless, and Catalyst. Up till now things were ok. Then I ran Toshiba Hardware update patch, and things got really messed up. Windows never booted again and symptoms showed right after boot tried to load WIndows. I tried recovery options but System restore kept getting errors too and I could not restore any more. Since Windows 7 Install and Windows Vistal recovery to Factory Default from recovery disk did not work, I thought maybe I should try Windows XP. So, I got a hold of my old Windows XP CD-ROM and I took a stab at it. Everything went fine till it started to copy windows files. This time symptom was different. I got one of those XP Blue Screen of deaths saying Hard Drive is bad and I must run chdsk /F. So, I concluded HDD is the problem. Ran CHDSK and no problem. I formated the drive again using DISKPART and the problem still exists. This is a brand new hard drive. What is the problem?

Please include your full model number when posting problems on the forums. It can be found on the bottom of your laptop. "A305D" is only partial.
That's quite the problem. How often was it doing this? At some steps in your diagnosing, it seemed to get better, but I wonder if it was actually (temporarily) fixed, or if it didn't occur by chance.
Unfortunately I don't have an answer for you. Normally I'd suggest you get it serviced, but then you'd also be throwing more money at a three year old notebook when clearly you're knowledgeable yourself.
Hopefully someone in the community will have some suggestions. I have noticed that some people shy away from posts with large paragraphs of text. (I'm not saying that's correct, but it happens.) I'd suggest putting some bullet points at the top summarizing. If you feel like doing that, you can edit your message.
Good luck!
- Peter

IBM Thinkpad Monitor goes blank after a few miniutes

Hi,
I have aT43p with an ATI Mobility FireGL V3200 running XP Sp2. For the past couple of weeks the screen goes blank (Black) after several minutes. I can use the Fn-F7 to toggle the monitor between LCD and external monitor (which is not attached) and back to LCD (or dual display) and the LCD works again!, but alas only for several more moments and then it goes blank again and I have to re-toggle. I find that if I run on only battery power I get several extra minutes before Blacks-Ville. The same effect can be achieved by putting her to sleep and then waking her.
I should mention that there is a slight pink tinge to the display during the initial splash screen (while the option to enter the Bios via blue Access IBM button), but this goes completely for subsequent screen displays.
I can connect across the LAN using VNC and can see windows (as one would expect).
I have gone to the support area and downloaded all drivers and reinstalled to no avail. I have also checked the Monitor connections, but there is no obvious loose connection. I have also run a in-depth virus analysis (using ESET NOD) and an Adaware sweep, again with no positive result. I have also gone into MSCONFIG, disabled as much as I can and I have also rolled back using System Restore to a time before the issue presented.
Nothing that I have done to date has made the slightest difference.
The screen Blacks even if I go straight to Bios which inclines me to think that the problem lies outside of Windows.
If anybody has any ideas or suggestions I would really appreciate it.
Thanks
Dave
Message Edited by ddempsey on 08-10-2008 05:48 AM

Hello ddempsey,
I can confirm all your problems (except the "slight pink tinge"- sure it is not
a reflection or so?), I've got them on my a21p since a couple of years as well.
I am using an external monitor after I tried all software possibilties and was
fed up with the toggling. colours are still excellent, I contradict a dying
as such, a digital display is either on or off, not fading away.
in desperation I replaced the inverter card (part number 12P3053) as a
last resort but without any success.
so I was happy to find one with exact the same problem and I hope
by jumping on your train that someone comes up with a solution.
have you tried this:
if you do not boot windows, leaving a plain start screen
either by pressing pause or later f8 the display shuts down
in the same way, thereby proving that the problem
is beyond an explanation due to a higher resolution task.
this arouses a suspicion whether the ATi Rage Mobility graphic card
(messing up in all brands of notebooks - see copious complains in the www)
might be the cause. unfortunately ATI been bought by AMD
but the support of its successor for old cards is a disgrace compared
what Lenovo still delivering for ancient IBM users!
regardsDamian
Message Edited by Anvil2k8 on 08-20-2008 05:16 AM

T41 screen suddenly goes blank - possible overheating?

Having an intermittant problem with my T41, and wondering if anyone has any idea as to the cause.
Most of the time, I use it in a docking station. Sometimes, after I've been using it for a while, the screen suddenly goes blank. There's still hard drive activity, as the light keeps on flashing, but the screen stays blank no matter what I do. The only way out is to do a hard reboot via the power button and, when I switch it back on again, the screen comes back, but usually some of the desktop icons have changed places. One time, the screen resolution had also been reduced to 800x600, and I had to reset it back to 1024x768.
I have noticed recently that, when it does this little screen shutdown trick, the fan doesn't seem to be operating and, if I remove the computer from the docking station, it does seem a bit warm underneath. Then, when I reboot the computer, the fan kicks in right away and seems to be pushing a lot of heat out of the vent in the side.
So does anyone know if this is an overheating issue caused by the fan not kicking in when it should, or could there be another cause? One thing that has me confused is that, according to the Windows fault reporting system, it says its a video driver fault and I should update the driver. So can anyone tell me just what the problem really is?
Edit:
I've been able to find one of the manuals as a PDF, and it seems like the computer is unexpectedly hibernating due to the CPU overheating. Unfortunately, that's all it says, and doesn't give any advice as to how to fix the problem. Does that sound like a correct diagnosis?
Solved!
Go to Solution.

Don't know why this topic has been marked as "solved" when it's still an ongoing problem - I certainly didn't mark it as such!
Installed the program you suggested, and ran a few tests. From those, it looks like the issue could be the CPU, not the GPU, that's been overheating and causing the hibernation. With the computer just idling, the CPU temperature reports about 35-38 degrees C, while the GPU sits around the 40-44 degrees C mark. Playing a HD flash video, the GPU temperature went up to around 50 degrees C, while the CPU went up to 69 degrees C. At that point, the fan hadn't kicked in, so I switched from Smart to Manual mode, at which point it started in Mode 7 and brought the CPU temperature back down.
I then ran the test again a few more times with different videos and, with Smart mode selected again, the fan did kick in automatically at around 66 degrees C on the CPU temperature, but only in Mode 1. This seem to just stabilise the temperature, not bring it down, and I had to go to Manual mode to get a higher fan speed.
Before I installed the fan control program, I don't think the fan was kicking in at all, as there was no sign of air coming out of the vent. The only time the fan did kick in was after the reboots, and then only for a minute or so. The program seems to show that both the CPU temperature sensor and the fan are working OK, but it appears that they aren't talking to each other properly. Any ideas why this could be?

Screen goes blank with slightest movement of the lid; problem related to hidden sensor

I posted this in the display section but got no answer. Because it's hardware related, I am giving it a try here;
The problem occurs in the following 3 ways:
- Vista: when the lid is moved back and forth a *little* bit, the screen goes blank/black; restore is possible by first closing lid, waiting a few seconds till the lid light dims; then quickly bringing the lid back in position and press any button brings it back to life
- Windows 7: almost identical, exept no button press is needed; this could be a settingin power scheme, I didn't check because it's not so relevant
- Linux: same but no way to bring it back to life again; reboot system is only possibility
This means the magnetic sensor in the bezel that deactivates the system when the lid is closed is still working, but I don't understand why the screen becomes black when it is slightly moved back/forth ? I have read about some sensor hidden behind the hinge depending on the model but very little info how to solve the problem
Could someone explain what is happening and how to find the cause ?

If only I could understand what's going on that would help me A LOT. I understand this is difficult, but there must be some HP expert who knows about this issue. Understanding the problem is the first step.
What could be useful for me to know is where exactly is that sensor, how to locate it, how to test it, what is the module or part to replace it if needed etc.
Here are the notebook and its specs:
http://www.cnet.com/products/hp-pavilion-dv7-1299eb-17-core-2-duo-p8600-vista-home-premium-4-gb-ram-...

Pavilion H8 - 1240T goes blank due to power saver settiing ?

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