![]() Substitute any reference to Lenovo to HP or Asus or DELL. If you can boot a Hirens USB, then I would suggest Linux Mint to see if it can mount any If your Dell computer can turn on but is unable to boot into Windows, identify the symptoms and follow the appropriate troubleshooting guide. Press and hold the power button for 15 to 20 seconds to drain residual power.Ĭonnect the AC adapter or power cable and the battery (for Dell laptops). To learn more, see the Dell knowledge base article How to Use Forced ePSA to Recover from POST or Boot Failure.ĭisconnect all devices such as USB drives, printers, webcams, and media cards (SD/xD). NOTE: On select Dell Latitude laptops, try to recover the laptop using the forced ePSA method from a POST or boot failure. NOTE: For Dell laptops that have a nonremovable battery, see the Dell knowledge base article How to reset Real Time Clock (RTC).įor Dell laptops with removable batteries, see the User Guide for your Dell laptop for step-by-step instructions to safely remove the battery. Error code in ACHI mode is "STOP: 0x0000007B"ĭisconnect the AC adapter or power cable from the computer, and remove the battery (for Dell laptops with removable battery). BSOD error code in IRST mode is "STOP: 0x0000007E iastorA.sys - Addres. So I cannot neither boot the existing OS, nor re-install it. Also "System recovery options" GUI was not listing any installed OS.Įxecuting "bootrec /fixmbr" yielded nothing.įurthermore, now I cannot even boot from the very same USB disk which caused the issue - the boot seems to ignore my selection of USB as a boot device, and attempts to boot from HDD. In those modes diskpart could see the HDD and all it's partitions, and I could browse the contents in repair's command line, but I was still getting BSOD (though, error code was different) on boot. Then I went to BIOS and tried changing SATA operation from IRST to AHCI and IDE. ![]() However, attempts to reboot still ended with BSOD, and diskpart couldn't see the HDD if launched from Window's recovery menu. partition containing OS), but after running chkdsk that problem was fixed, and I could see that all files and Windows folder was intact. "diskpart->list disk" revealed that it doesn't detect HDD at all!Īfter that I've booted from Hiren rescue disk, launched partitioning tool and it could see HDD and all it's partitions. Any further reboot attempts as well as entering recovery mode and executing "Startup repair" yielded nothing. Then I wanted to boot back to the installed OS, but was welcomed by BSOD, which was not happening until now. So I plugged it into this laptop, booted from it and it turned out that it was a Windows 7 installation media I used few years ago for reinstalling Windows on this laptop. It was working perfectly fine until a few days ago when I was looking for an empty USB stick and found what looked like at a bootable one. I know this an old laptop which still runs Windows 7, but my kid uses it for watching youtube, so I would really appreciate any help with this. ![]()
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