Unable to boot laptop, blank screen, even no HP logo is seen

I've a HP G42 laptop with following configuration. 4GB ram, 500gb hdd, 1 gb 5400 ati graphic card, i5 processor. For past few weeks, it was showing a different behaviour: running for few minutes and then dislay got in Not responding mode, after that abnormal shutdown, and couldnt even restart my pc for next few hours. I'm still facing this issue, explained below: When i try to boot then it shows blank screen, it doesnt show HP logo even. But i could listen fan sound, caps lights etc. LED glows white for a while (normal), but later turns into orange, and then not even caps lock LED glows, but fan is still working. I tried many things but couldn't fix. Also tried 'Removed battery, press power button for 30-40sec, and power on throug AC adapter', but couldn't fix. Please help :-( :-(

Hi,
You can follow the steps listed in the below link and could you mention the complete product number & model number of unit.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01443371&tmp_task=solveCategory&cc=us&dlc=en&lc...
"I work for HP."
Please click the "White Kudos" star to say thanks for helping.
Please mark "Accept As Solution" if my help has solved your problem.

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T43 – Model 1871-FU1: Will not boot with blank screen. Only Fan is running. Any ideas?

T43 – Model 1871-FU1: Will not boot with blank screen. Only Fan is running. Any ideas?
Solved!
Go to Solution.

What lead_org is referring to is commonly known as "re-balling" which involves unsoldering the Southbridge chip from the planar, replacing all (6-700) solder balls with new ones and then re-attaching it under heat/pressure.
This is the place that you need:
http://www.theboardroom.info/index.html
Good luck.
Cheers,
George
In daily use: R60F, R500F, T61, T410
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Blank screen even i turned on.

Blank screen even turned on. Whats going on.?

Have you tried this ... Hold down on the sleep and home buttons at the same time for about 10 seconds until the Apple logo appears - ignore the red slider? See if it turns on.

How do I fix a initializing problem with my macbook pro? I only get to the blank screen with the apple logo and the "processing something"sign... it just doesn't start the system....

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If there is no loading bar, it's usually a problem with a third party kext file in OS X itself.
You can press the power button down to force a hardware shutdown, then reboot holding the shift key down on a wired or built in keyboard, this will disable them and you go around and update your third party software.
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Most commonly used backup methods
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I tried to reset my Iphone 5 from the phone and not a computer. I have had a blank screen with the apple logo and a full progress bar for over an hour. I cant turn my phone off because the button on top is not working.

I tried to reset my iphone 5 from the phone and not a computer. I have had a blank screen with the apple logo and a full progress bar. I can not get my phone to restart. What can I do?

Sorry i meant iOs5 to ios 5.0.1

HT1386 I just got an iphone 4 and when I go to sync it, it appears in the left hand column but when I click on it there is just a blank screen with the apply logo and a tiny lock.

I just got an iphone 4 and when I go to sync it, it appears in the left hand column but when I click on it there is just a blank screen with the apply logo and a tiny lock.

OK, I think I fixed it.
After trying to restore with an old backup from the phone (it estimated it would take 4 hours) I cancelled and went through the setup menus again, but set it up as a new phone. It then appeared in iTunes and I restored it from the computer, not the phone. It appears to be working, it's syncing my old apps right now.
Summary:
1. Reset settings on phone (hopefully you backed up fairly recently)
2. Set up as NEW iPhone in setup menu on phone
3. Restore from iTunes on computer when it recognizes the phone
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Help, got an iPad 2 and it will not turn on? Just got a blank screen with a apple logo. Tried restore (I.e. holding down both buttons for 10min) iTunes also does not recognise iPad when connected to mac?

Help, got an iPad 2 and it will not turn on? Just got a blank screen with a apple logo. Tried restore (I.e. holding down both buttons for 10min) iTunes also does not recognise iPad when connected to mac?

If the device doesn't appear in iTunes, try using the steps in this article to force the device into recovery mode.

Laptop blank screen flashing led lights

The HP dv7 laptop blank/black screen with the continuously flashing CapsLk & Num Lock led lights is probably indicative of an overheated graphics processing unit (gpu) on the system/mother board. On the one that I am trying to repair it is an ATI gpu. The gpu is built into the system/mother board.
If laptop gpu is failing then the blinking diagnostic code of the CapsLk & Num lock led lights blinking once would seem to apply. Why even though led lights are flashing continuously? Because the laptop boot tries to load through the gpu via the cpu and fails which thereby triggers the one flashing light then it retries flashing the light again (and again and again continuously). As other posters have commented HP did not seem to care about a design flaw so they hesitate and ignore that fact – they will often tell you that the system/mother board needs replacement. As a matter of record you can see another thread (http://h30434.www3.hp.com/t5/Notebook-Hardware/Blinking-caps-and-num-lock-lights/m-p/29560#M3853) that has 19 pages of posts with over 230,00 views – unfortunately it has been deemed read only by the HP forum now.
I would refrain from an exact duplicate replacement motherboard without proof that the gpu has been corrected on the replacement board. Ebay has a number of replacement system/mother boards that are less than the over $300 price that HP has quoted for the repair. There has even been a listing for an upgraded board that deals specifically with the gpu issue. If the laptop has 17” monitor like the dv7 it may be very well worth replacing the system/mother board.

I have a little more to add
If I turn it on normally, nothing happens on the memory stick (no lights or anything)
If I turn it on while holding down Windows and B, the memory stick turns on after about 15-20 seconds, the light flashes for about 5 seconds then it stops flashing, it just sits on a solid light.
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Unable to boot laptop

Hi, I currently have a serious problem with my Pavilion g4 laptop with Windows 7 Home Premium 64 bit.
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It took some while to restart, the Windows loading icon came up but then instead of booting the system I was sent again to a screen which looked like the Startup Repair one, with the cursor on it but nothing else.
It was stuck for half an hour on this screen, then this window appeared:
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Line: 93
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Thank you
This question was solved.
View Solution.

Yes boot to safe mode with command prompt and run chkdsk C: /r and see if it will repair any bad file structure and if you get bad sectors.

Toshiba L355 Boot up Blank Screen

My laptop top boots up to a blank screen. The following lights are visible battery and power. I can hear the fan going but the screen is completely blank. I've tried taking the battery out pressing the power button etc. with it plugged in without battery all that still nothing. I have let it sit for almost a few days nothing, I'm not sure what the issue is can someone please give me a little insight. Thanks

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This is a build working perfectly for over a year.. well one day my mom turned off the computer when I got home it wouldn't boot I disconnected/reseated everything and was able to figure out if I didn't have my dvd drive hooked up it will boot perfectly fine. I should note that the drive shows up fine in the bios and that with a pata hard drive it will load windows fine.
I've tried 2 pata drives and 1 sata drive all working/tested in other machines .. and it stops at the same exact spot every time right after the bios and before the Windows logo would normally pop up it will just sit on a black/blank screen forever. I have never heard of a issue like this where it wasnt the ide channel going bad or the drive itself but since a harddrive on the ide channel works i assume its good.
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https://forum-en.msi.com/index.php?topic=127312.msg958264#msg958264
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A PSU acting up can cause some strange things to happen. Have you confirmed that the DVD drive is working correctly?
Quote
I couldnt boot anything from the dvd-drive.
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Windows (7) boots to blank screen via GRUB

I have Arch installed as my main OS however now need to get a dual boot working with Windows 7.
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├─sda1 8:1 0 734G 0 part / //Arch Linux Install
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menuentry 'Windows 7 (loader) (on /dev/sda2)' --class windows --class os $menuentry_id_option 'osprober-chain-EE8401AB840176FD' {
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chainloader +1
When I boot windows all I get is a blank screen, althought the windows splash sound does play, so im not sure if this is actually a boot issue or perhaps just an issue with windows so wanted to check here first.
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If you're hearing the splash noise, it boots. No issue with GRUB.

Imac G4 install boot issue: Blank screen

Hi!
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Hi! I may come too late!
I installed Arch ppc on a Mac mini G4 a few months ago.
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On Arch ppc, the way through the problem was to reboot from the install cd, chrooting again, and edit yaboot.conf adding these two lines after the proper boot image :
append="video=radeonfb"
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Howdy PWQuick,
If I understand correctly you are unable to see anything on your TV screen even after a restore of your Apple TV with iTunes. I would use the other troubleshooting steps to help find out what is at fault here:
Apple TV (2nd and 3rd generation): Troubleshooting video issues
Your TV picture is completely black or has other quality issues such as static or blurry video
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Check to verify that your TV's video input matches the HDMI connection.
Refer to the manufacturer's user guide for assistance with changing your TV input or picture mode.
Verify that your television meets the Apple TV minimum resolution requirements.
Verify that the Apple TV's power cable and the HDMI cables are securely connected.
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Satellite A300-1LT won't boot up - blank screen & no HDD activity

I had a problem, touch pad won't work.
I found on internet solution to shut down computer, take out battery, wait a little bit, and start again.
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When I placed battery back on, i turned on the laptop.
Blank screen (nothing happens), led indicators are on (except for hdd), cd drive tries to read but nothing happens, and the fan is on.
I tried everything that I could find (wait for 30 min, take battery out, start without battery, etc...) but no luck.
My lap top is Satellite A300-1lt, and I had it for 2 months.
I don't want to take it to service, unless it is really necessary, because i really need it now, I can't wait for weeks until it is returned.
Can please somebody help me out, Im desperate....
Thanks in advantage...

Connect your notebook (with battery) to the AC power supply and leave it an hour and try to start your notebook again. If notebook starts again leave it running until the battery will be full charged again.
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Unable to boot laptop, blank screen, even no HP logo is seen

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