0
votes
0answers
21 views

Except for the GPU, what can cause persistent graphical artifacts during boot?

I'm getting these graphical artifacts during boot, as early as the BIOS screen and during the Windows startup as well: The pattern seems to stay identical, and it is visible on every single boot. I ...
0
votes
2answers
2k views

Toshiba Satellite C55T-A5123 Refuses To Boot DVD or USB Windows 7 Install Disk

I'm trying to downgrade a Toshiba Satellite C55T-A5123 that came with Windows 8.1 on it to Windows 7 x64 bit. I'm stuck at not being able to get it to boot the installation media. I've turned off ...
0
votes
1answer
42 views

BIOS troubleshooting - how it become corrupted?

Recently I was repairing two computers: 8+ years old core 2 duo, and 1 year old core i3. Both had problems with booting. First one: no video output, no beeps, leds & fans on, second one: no video ...
0
votes
0answers
56 views

Windows 8.1 always loads to troubleshooting screen

I have a severe problem. When I turn on my Windows 8.1 PC it boots to a blue screen, with the title "Automatic Repair". It gives me two main options "Restart" and "Advanced options". If I click ...
0
votes
1answer
27 views

Persistent issue with PC that won't boot

My PC refuses to boot. The power switch lights up and the fans spins, but it doesn't boot. Usually this happens for long stretches of time and then sometimes it magically boots after a few restarts, ...
0
votes
0answers
49 views

mouse, keyboard or monitor randomly not working on 5% of win 7 boots

Sometimes (e.g 5%) I boot the computer and either the mouse (usb), or the keyboard (usb), or the monitor (dvi) will not work although the devices are powered. Nothing different is been done while ...
0
votes
0answers
241 views

Boot loop before POST

I built a new computer two months ago: Motherboard: ASUS H87-Pro Processor: i5-4570 Memory: Vengeance LP - 2x 4 Go - PC12800 - 1600 MHz - CL9 - CML8GX3M2A1600C9 in slots A2 and B2. Case: Advance ...
0
votes
3answers
2k views

How to find drivers that are loading on startup?

How can I find what drivers are being loaded on a Windows 7 x64 startup? I've seen a couple apps that show what programs are being run via registry entries and Startup folder, but I'm not sure how to ...
1
vote
1answer
714 views

Computer takes several hours to start after pressing the power on button

For a while now my PC has been very slow to start up. I turn it off at night before going to sleep and when I try to turn it on in the morning it takes hours (roughly 2 to 4 hours). The computer does ...
1
vote
1answer
70 views

Mac Pro was working fine. Formatted the hard drives and now the monitor can't get a picture

My mac computer was working fine but I took the hard drives out of it and formatted them with my new computer. Now when I re-insert the zero-filled drives the monitor is just perpetually black. I ...
0
votes
3answers
2k views

Computer making strange sound when turned on, ever since power outage

Recently we experienced a power outage, and the PC was off. However, once the power came back, I switched on the PC and heard a strange noise - almost as if the hard disk or fans were struggling to ...
0
votes
1answer
127 views

Repairing dual boot using Ubuntu Live CD

I installed Windows 7 on a separate hard drive and I have Debian on another hard drive. After installing Windows 7 my grub doesn't appear so I used an Ubuntu Live CD to use boot-repair to fix my grub2 ...
0
votes
1answer
92 views

Troubleshooting, GTX 670 + i7-3820

I've tried to figure this out on my own, but so far I've had no luck, so I now turn to the greater forces that be, ie. you guys. I'm sorry if this is in the wrong forum, but I couldn't decide where ...
0
votes
1answer
1k views

Computer won't start - Boot Up sequence ends with Hardware monitor

Sometimes my computer starts fine, sometimes it ends in this: I've never seen the whole process of it getting to this screen, so I'm not sure if it goes directly to this or if it gives you a chance ...
0
votes
1answer
523 views

How to identify (remove) the source of popup messagebox at Windows XP boot?

A computer of one of my users during the boot of its Windows XP SP3 is insistingly showing a messagebox with different illegible symbols in body and title é requiring to press OK If to leave this ...
0
votes
1answer
117 views

PC frozen at startup, not booting

I am trying to fix my Gateway desktop. About 6 months ago it stopped working and since then I started using a laptop. But now I want to fix it since it's much more powerful than my laptop. The ...
0
votes
1answer
2k views

Windows Vista can only boot into safe mode

I've got a Dell XPS M1730 that will only boot into safe mode. Since I get a black screen when windows should load after the BIOS loads. I suspect this is a software problem only since I can boot into ...
3
votes
1answer
2k views

Dell Inspiron 530 strange startup behavior .. why? [duplicate]

Possible Duplicate: Is it normal for a Dell Inspiron 530 to have is fan to spin up 3 times before it POSTS? I have a Dell Inspiron 530 desktop, which runs XP pro, and perhaps most unique ...
2
votes
3answers
374 views

What could cause being able to access a hard drive, but not being able to boot from it?

Yesterday I was just browsing Stack Exchange when my computer suddenly froze. I've been having what I assume to be power supply issues the last couple weeks, so I've been used to it crashing and ...
2
votes
0answers
211 views

Need technical info on NEC FC-9801V “factory” computer

A friend has an obsolete Japanese CNC metal-working machine which is built around an NEC FC-9801V "factory computer". The FC-9801V is a V30-based machine similar to the very popular (in Japan) ...
2
votes
1answer
1k views

Extremely Slow XP Pre-Boot (Driver Loading Phase)

Pre problem: My system crashed recently while I was in XP. I booted into DOS and ran ScanDisk to check my XP partition (FAT32) and ran a surface scan. Once I was satisfied that the system drive was ...
1
vote
0answers
395 views

Screen goes off for ~20 Seconds after Windows 7 splash screen

A strange thing I have noticed is the following. When booting Windows 7 x64 on my Thinkpad e520, right after the "Starting Windows" screen (glowing windows flag) my screen goes blank for 10-20 seconds ...
2
votes
1answer
373 views

Windows 7 Install/Setup DVD boot problem

So, given the following information, is it possible to rescue my windows 7 install, or reinstall it? if so how? Moving my machine to my new place, I set it up and turn it on to find the BIOS ...
1
vote
1answer
178 views

What Is a Boot Failure 4 Digit Diagnostic Tool?

How do I use this device? Designed to troubleshoot PC boot failures, when PC doesn't even show Video Card/BIOS screen (thus no error code/info is available) 4-digit numeric display ...
2
votes
4answers
219 views

Laptop Malfunctions After UPS Failure? I Have Got What I Deserved

My UPS failed today and laptop ceased working. UPS failed me before 1 time and it was when laptop was on standby but nothing happened to the laptop however. Also there were times when laptop was ...
1
vote
1answer
80 views

Create boot media (CD-Rom or USB) to boot to a completely white screen

I am going to take my laptop for repair because of screen issues. When the screen is displaying a fair color, I see some light dots appear. Because of sensitive data, I am not including my harddrive. ...
0
votes
4answers
1k views

Why does my computer show a black screen when booting into Windows Vista?

Today, I removed some old software from dad's vista, and installed SP1. After which the computer restarted and it went into a "black" screen. I left it running for a few hours, and the laptop was ...
1
vote
2answers
414 views

How to solve my black screen at boot?

I've got a friend with a weird problem. When he starts his computer the screen is completely black until the computer is completely started. So the screen is black until it suddenly shows the Windows ...
6
votes
3answers
1k views

How do I troubleshoot problems that occur during boot?

In the case that my computer would have issues with booting, what steps can I take to troubleshoot it?
5
votes
6answers
1k views

Can a grounding problem damage computers immediately?

Can a grounding problem damage computers immediately ? I have transferred my office. New office did not have grounding. I tried to boot 4 computers. Two of them booted. One of them hung while ...
0
votes
2answers
148 views

How do I troubleshoot a PC that needs to be booted twice when it's cold?

When it gets colder, this PC will stop before it posts - black screen, power supply fan blowing. The colder it gets, the more consistent the behavior is. If I power cycle at that point, it boots ...
1
vote
3answers
445 views

What can I try when my HD won't boot with the error “A disk read error occurred”

The error I have on boot is: A disk read error occurred Press Ctrl + Alt + Del to restart I can view all the files on the hard drive booting off an Ubuntu CD, but I can't boot into the version of ...
0
votes
2answers
2k views

WinXP Fails to boot. Stops at Checking file system on C: The volume is clean. windows has finished checking the disk

I have a WinXP machine that won't boot after installing the Lenovo ThinkVantage updates (which includes things like WIFI and video drivers). Regular boot hangs just after the WinXP Splash Screen. ...
0
votes
2answers
858 views

How to troubleshoot Windows XP boot process?

I have an XP installation that won't boot properly. Windows boots until just before I have the option to select a user. I can't get into Windows normally (and Safe Mode is the same) to check things ...
0
votes
3answers
897 views

PC in POST loop

I have a custom built PC using a Gigabyte GA-EP35-DS3P motherboard with a Q6600 CPU. For the last 2 days it has got itself stuck into a POST loop. Saying that, I don't think it actually got in to the ...
3
votes
4answers
832 views

Asus P5Q doesn't POST at all

I had a very strange incident this evening. I was watching TV on the computer and suddenly the sound stuttered. Some seconds later, the screen went black. First I thought ok some error, don't worry. ...
0
votes
3answers
132 views

Computer starts, POSTs normal, no video

So, I recently tried to start up a computer of mine. It would not power on, so I replaced the PSU. When I powered it on, all the fans spun up and the POST beeps indicated a normal startup. The problem ...
4
votes
5answers
1k views

Why does my computer vibrate on a cold boot?

I don't know why but every morning when I turn on the computer, it makes a vibrating sound. Like its case is attached to a vibrator. But when I turn it off and turn on again using the power button ...
2
votes
3answers
2k views

Computer Turns on Briefly then right back off again

So yesterday I came home from work and went to turn my computer on....it turned on for about 5 seconds then promptly turned right back off again...before I ever saw anything on the screen. I tried ...
1
vote
2answers
661 views

Why does my motherboard go through an endless reboot cycle when 8 GB of memory is attempted vs 6 GB?

I never got an answer in my googling to this about a year ago and have an extra stick of memory I'd like to be able to use. When is inserted the computer starts, and then reboots immediately in an ...
2
votes
1answer
87 views

My computer won't do POST when switched on. Is there a way to determine which component is the culprit without replacement parts?

I've taken everything out from the computer there is only the motherboard with the CPU in it. When I switch it on the fans start, but nothing happens. No beeps, no POST. I guess either the ...
2
votes
1answer
139 views

Why when I push the start button on my computer it starts the components running only?

Why when I push the start button on my computer it starts the components running, but I have to push it again to boot system start up. I started doing this out of the blue. It happens with any ...
1
vote
4answers
2k views

Vista gets stuck in an endless loop while booting

I put my laptop to sleep last night, and when I woke up this morning... it didn't. So I tried to reboot, and everything went fine until it got to the Vista splash screen, where it's supposed to ...
0
votes
1answer
476 views

0x0000007b vista harddrive swap

I swap my hard drive to a new computer with vista 32 I get 0x0000007b stop error on bootup I tried using the cd to do the repair but it fails. I think it is because I have the wrong hard drive ...
3
votes
4answers
773 views

Troubleshooting painfully slow Windows XP boot

When I reboot my machine, it takes around 10-15 minutes to boot. Tried removing unused programs, disk defragmentation, check disk, but I'm not able to identify the issue. Any ideas to troubleshoot to ...
2
votes
3answers
2k views

Gateway GT5220 Boot/POST Failure

I have a Gateway GT5220 I'm troubleshooting. It is, in fact, the machine I just gave my father for his birthday a couple months ago. (Prior to that, it was my home PC. My home PC is now the MacBook on ...
0
votes
3answers
690 views

Dell Dimension 2400 problem

I have a new problem with a Dell Dimension 2400 PC. Until yesterday or the day before, it was working fine, but today when I press the power button the light on the power button turns yellow instead ...
1
vote
2answers
85 views

Machine startup issues

Posting this on my father's behalf to try and diagnose what's up with his machine: The machine is around 5/6 years old, I can't remember the exact spec and has recently been suffering from the ...
2
votes
2answers
2k views

How to enable Windows diagnostic / descriptive / detailed startup mode that shows what it's doing?

During the boot process, Windows normally displays that monolithic "Logging on.." screen. There's a way to switch it to show what's going on behind the scenes, (e.g., connecting to network, running ...
1
vote
2answers
1k views

Windows 7 systeminfo reporting incorrect System Boot Time?

I work 9-5 and switch my PC off when I leave the office each day. When doing timesheets I need to know what time I got to work, so I usually use cmd > systeminfo for finding the System Boot Time. ...