I disassembled his machine, and to my surprise it had B3 chipset, with visible flux marks around it, and markings indicating certified HP repair. Second was my friend who had same 4330s notebook, but without my issues. Same disk moved into hdd bay or optical bay can't shut down properly and work slower (!). There were two clues: USB3.0 to SATA adapter with Windows 8.1/10 works and shutdowns fine. Problem is the chipset: All of them, like as I suspected, have Cougar Point B2 chipset with SATA bug. The problem was very hard to diagnose, until I found a friend that also had the same machine.Īs unbelieveble as it is, all three motherboards have manufacturing defects. It stays on with nearly everything disabled except ntos kernel and video driver. What steps can I take to close down on the issue? I'd leave it under Ubuntu, but I need Windows on this computer, and I'm afraid it will go belly up.įirst, doughjohn - problem is not in initiation the shutdown, but it won't complete the shutdown. To my surprise It's newer than any that I can find in download page (F07?). Celscius in any time, which is way below critical temperature on both CPUs.īIOS is F47. #Idisplay win 10 crashing softwareChecked CPU temps, both using software reporting and pirometer, it doesn't exceed 65 deg. Hiren Boot CD with it's BartPE Windows XP boots and works fine. #Idisplay win 10 crashing installTried to install Ubuntu, only to discover it's working flawlessly, except it won't boot from EFI, even tho efibootmgr shows correct entries, laptop says it can't find operating system. Disabled all devices in BIOS, except USB. Swapped thumbdrive to another one, and tried two different Windows 8.1 builds Tried to swap network card to AC7260, only to discover it's blacklisted (**bleep**?), removed wifi card altogether, no change Swapped to different disk, same result. Did everything again, this time without battery, and using big HP 120W charger from 85x0w, same result Swapped CPU from stock i3 to i5-2520M I had lying around, which was removed from working machine (during upgrade), same result. Ran memtest, passed, switched memory to few different specimens (both DDR3, and DDR3L), tried both slots, all pass, Windows won't complete install. Switched to legacy mode, and tried installation again, same result. I power-cycled it, Windows installation proceeded, but failed. Screen went blue/purple (same color as normal install background), and it stopped, no disk activity, nothing. I popped in thumbdrive with fresh Windows 8.1 Installation, which proceeded good, until it wanted to restart. I removed the optical drive, carefully removed all the dust, replaced thermal compund under CPU, and put inside SSD I took from my other machine (wiped). It had dead hard drive (clicking), broken DVD (bent motor mounts, I'm told it's some child's work) and was very dusty (clogged fan). No bangs, pretty clean, no spill damage or visible marks of falling. My background: I've worked few years as service guy in computer shop, mostly on desktops, so I at least vaguely know what I'm doing, and I'm very carefull when handling hardware.Ĭomputer's background: I recieved used HP 4330s after my deceased family member. #Idisplay win 10 crashing how toI'm banging my head on the wall with this case, can't figure, how to proceed.
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