I was using my computer when the screen suddenly went blue, showing an increase in percentage and a stop code. It got to 100% and stayed.
I found a post already that said to turn it on and off three times to initiate a certain safe mode. Then to press esc on first sign of start to open a menu.
I got the menu up and pressed F2, like the post said, and I ran a quick hardware diagnostic, I believe. It said everything was fine, but the post didn't specify what to do after that.
I turned it off and then on again. Then it said it was preparing Automatic Repair on first start. It got stuck on this and never went beyond. So I turned it off and on a few times and tried the esc thing again but nothing worked. Now when I turn it on it says preparing Automatic Repair for a minute or so before the screen goes black (no off, just displaying black). It's still on too, the power button glows.
Press the Power button for at least five seconds to turn off the computer.
Turn on the computer and start pressing Esc repeatedly, about once every second. When the menu appears, press the F2 key.
When the HP PC Hardware Diagnostics menu displays, click Component Tests.
In the Component Tests menu, click Hard Drive.
Click Quick Test.
Click Run once. If the computer has more than one hard drive, click Test All Hard Drives. The Quick Test begins.
If the computer has more than one hard drive, select the drive you want to test. To test all the hard drives, select Test All Hard Drives.
When a test is complete, the results display on the screen. Test results are also available in the Test Logs on the main menu.
If the hard drive passes the Quick Test, but a problem still exists with the hard drive, run the Extensive Test. This test includes the SMART Check, Short DST, Optimized DST, and Long DST. To run a specific test, select it from the Hard Drive Tests menu.
Hope this helps! Keep me posted for further assistance.
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