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Hello,In order to hard reset your tablet, the steps given below must be followed:
Ensure that the tablet is powered off.
Press the Power and the Volume Up button together till the device displays the start-up logo.
Once the logo is displayed, release the buttons and wait till the device enters the Android system recovery mode.
On the displayed screen, use Volume Down button to go to the wipe data/factory reset option (Volume Up and Volume Down buttons are used to highlight the displayed options on the Android system recovery screen).
Once the option is highlighted, press the Power button to select the option. (Pressing the Power button in Android system recovery mode selects the highlighted option.)
On the next screen, press the Volume Down button multiple times till the Yes -- delete all user data option is highlighted.
Press the Power button to hard reset the Samsung tablet device while clearing the dalvik cache along with the process.
This troubleshooting will help resolved minor issues like:
1. No LCD display but unit is actually powered ON 2. Laptop battery not charging 3. Keyboard not responding 4. windows no boot issue
*** here's the Tip: tak out the battery and unplugged the power adapater. press and hold the power button for 30 secs then release after 30secs. put the battery/adapter back in. issue above should be resolved. elese fails, contact your computer's manufacturer.
1. Immediately run PSA. (Make sure laptop is connected to AC Adapter. Leave laptop off. Press and hold on the Fn key then press power button once).
2. Just wait for about 3 to 5 minutes then you might will hear beeping sounds (no display with beeping sounds) this means that laptop is working fine but no display. This might cause by either the video card or LCD.
3. After hearing beeps turn off laptop. (Press and hold on the power button for about 3 seconds)
4. Leave laptop off. Press and hold on the D key then press power button once. If full screen colors appears this means LCD is working fine and the problem is the video card. If no display from the LCD no colors were displayed try the test again just to make sure. If still the same no full screen colors then the problem is the LCD.
Have you run a Virus scan and a malware scan? when you say" Whenever i use it, for about 2 min to 3 min, the computer started to hang and not responding" whenever I use it means what just moving the cursor or going online, opening a program etc. could you be a bit more specific that would help in the diagnosis.
Before replacing anything verify that your laptops display type didn't get changed to VGA out only. look at your function keys (usually top one or two rows ) and look for the key that has a pc/monitor icon. with the machine powered up and connected to the external monitor press the function (FN button lower left of keyboard) and the video/monitor button at the same time. most laptops have 3 settings: laptop display only, external display only and laptop and external display. Press the FN/Display button at lease 3 times waiting 3-5 seconds between keystrokes. I have seen this many times where the FN/display button keys are hit inadvertently. Typically if the motherboard or video card fail the external monitor would not work either.
Most probably it has gone into standby mode - press the power button momentarily, it should come back to life if it's this case. Of course it may be something more serious, but try that for starters. If it doesn't respond at all, the next step would be to force it to turn off by pressing and holding the power button for 10 seconds, and turning it back on after a while.
no display after switching on the laptop? 1. try to connect to an external monitor using an analog video cable. monitor is on. turn on laptop after a minute press and hold on Fn key then press F8 at the same time to toggle the display between LCD to Monitor, if nothing happened do step 2. 2. turn of laptop. remove video cable. press and hold D key then press power button at the same time. this will test the LCD. check if there are colors display. if yes do step 3, if no replace lcd and lcd cable. 3. make sure laptop is off. press and hold on the Fn key then press power button at the same time to run a quick test. Even no display or anything wait for about 5 minutes check if you will hear series of beeps. If yes.replace video card if it is expansion, replace motherboard if it is integrated.