Question about HP Pavilion dv7-1260us Notebook PC

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All three Led (power ac, disk drive) flash when I try to power on

The Leds flash together at about one per second

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  • HP Master
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Try this.
Remove the battery and power supply. Press the power button and hold for 30seconds to discharge all reset ports. Connect the power unit and press power.

Posted on Nov 19, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 324 Answers

SOURCE: Power LED flashes three times-no boot

Try this. Power down. Remove the battery. Remove the memory. Replace the memory. Replace the battery.
Try to power back up.
Best of luck...
R-

Posted on Nov 05, 2007

  • 239 Answers

SOURCE: HP Pavilion DV9009us does not boot

I not sure what your saying, Is it the laptop thats not working ? Or DVD drive ? If Its the Pc Try and get into you Bios, Are you able to see the Hp Logo when you first turn power on, Or is Absolutely nothing Happening, No screen at all. Try and make sure, may be someone set it down a little harder than normal and may have jarred the Memory Module loose, Or even the Hard Drive it self may have become loose try to remove the Hd screw and remove and reset firmly back into place, If not, Just a little more Information may help us out, Thanks and I hope this works for you. bear001 Oh yeah If you can see the Hp logo, when you see that repeatedly push the F2 key or the Delete Key until your bios opens and try and reset back to Default Settings,

Posted on Dec 25, 2007

tat4u
  • 520 Answers

SOURCE: HP Pavilion zd8000 don't startup

remove battery plug in power cable boot up.. nothing may seem to happen but wait a minute or so then press and hold power button down until power light goes out then release button .
try to reboot now.

Posted on Jan 28, 2009

  • 148 Answers

SOURCE: omnibook 6000 will not run POST. Has LEDs permanently on

When was the last time a BIOS update was done? See if one is available for this laptop and give it a try. FOLLOW THE INSTRUCTIONS TO THE LETTER WHEN DOING THIS OR YOU CAN RENDER THE LAPTOP INOPERABLE!! If youre not comfortable doing this, have a service technician do it for you. Sounds like the problems really went into overdrive when the new drive was installed.

Posted on Mar 02, 2009

kbdesign
  • 370 Answers

SOURCE: My HP laptop is not booting

Try tapping on F11 after you turn the laptop on, and see if it will go into the recovery mode. If it does, you are in luck, and can choose how you want to do the recovery.

If it does not, you can order a set of recovery disks from HP for about $15us which includes shipping costs. Or, you can load any retail version operating system, and download/install device drivers from http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?lang=en&cc=us&prodNameId=1839164&taskId=135&prodTypeId=321957&prodSeriesId=1839143&lang=en&cc=us&submit=Go%20»

Good luck, and please rate my response.

Thank you

Posted on Mar 15, 2009

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How to retrofit fluorescent tube with led tube lights


Note:
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Second, the normal ambient temperature is -20 ° C to 40 ° C, if beyond the scope of this provision, it will make adversely affect on the lifespan of the product.
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Second, the LED tube can directly replace fluorescent tubes, the user can remove the original fluorescent tubes and install LED tube, then double-check the configuration of lighthouse, following the figure A, B, C three installation diagram for installation.
Third, cut off the power for the installation, repair, maintenance and demolition work to avoid accidents.
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Common problems on Sharp LCD tvs as tv it is agings,tv Power LED and OPC LED,LEDS lights flashes happen to mine Sharp tv many times and i had it two years,do this many times,tries to turn on the tv.By trying pushes the power button the remote again if OPC LED and power LED,LEDS lights flashes together.Everytimes the OPC LED and power LED lights flashes,just push the power switch on the tv remote and wait for the tv main Tuner signal board to kick in the backlight to light up tv to work.Have to do this like three or four times before the power supply board to kick it in to make Tuner signal to work.If u require to this more than 5 or 6 times the main tv Tuner signal board it is shorting out and beyond trying to kick in by the power supply board.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish tv Tuner signal board for the replacement.

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My Printer Brother Type HL-5250DN.. All 4 led is flashing.. allready take out and put in back toner.. still not working yet.. 4 light still flashing. Need help soon.. Thanks


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Not switching on


Hi, Disconnect your ac adaptor from the laptop and remove the battery for about 30mins. Then keep power button pressed for about 10 seconds. Now fit install the battery and the power lead, wait for the mains led to liight which should also show the battery led as being charged, after 20 seconds, power up the laptop.
It should now power up, if not check if any flashing leds are present and if the lcd screen tries to light up.

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The front LED flashes red & blue when I turn it on. What does this mean?


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During Bootup
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During RAID Synchronization
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I cannot tell from your description what the error may be but here is a list of reasons;
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